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Merge pull request #9467 from gpnaveen/bgp_v4overv6
tests: adding 11 bgp v4 over v6 test cases.
This commit is contained in:
Russ White
GitHub
commit
ddcd8ec538
@ -0,0 +1,85 @@
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{
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"ipv4base": "10.0.0.0",
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"ipv4mask": 24,
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"ipv6base": "fd00::",
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"ipv6mask": 64,
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"link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "ipv6": "fd00::", "v6mask": 64},
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"lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:DB8:F::", "v6mask": 128},
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"routers": {
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"r0": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link5": {"ipv4": "auto", "ipv6": "auto"}}
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},
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"r1": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r0-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link5": {"ipv4": "auto", "ipv6": "auto"},
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"r2-link0": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "100",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r2": {
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"dest_link": {
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"r1-link0": {
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"activate": "ipv4",
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"capability": "extended-nexthop"
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}
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}
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}
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}
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}
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}
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}}},
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"r2": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link0": {"ipv4": "auto", "ipv6": "auto"},
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"r3": {"ipv4": "auto", "ipv6": "auto"},
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"r4": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "200",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r1": {
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"dest_link": {
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"r2-link0": {
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"activate": "ipv4",
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"capability": "extended-nexthop"
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}
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}
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},
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"r3": {"dest_link": {"r2": {}}}}
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}
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}
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}}},
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"r3": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "200",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
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}}},
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"r4": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}}
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}}}
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95
tests/topotests/bgp_ipv4_over_ipv6/rfc5549_ebgp_nbr.json
Normal file
95
tests/topotests/bgp_ipv4_over_ipv6/rfc5549_ebgp_nbr.json
Normal file
@ -0,0 +1,95 @@
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{
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"ipv4base": "10.0.0.0",
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"ipv4mask": 24,
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"ipv6base": "fd00::",
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"ipv6mask": 64,
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"link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "ipv6": "fd00::", "v6mask": 64},
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"lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:DB8:F::", "v6mask": 128},
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"routers": {
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"r0": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link5": {"ipv4": "auto", "ipv6": "auto"}}
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},
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"r1": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r0-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link5": {"ipv4": "auto", "ipv6": "auto"},
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"r2-link0": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "100",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r2": {
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"dest_link": {
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"r1-link0": {
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"capability": "extended-nexthop",
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"activate": "ipv4"
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}
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}
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}
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}
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}
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}
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}}},
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"r2": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link0": {"ipv4": "auto", "ipv6": "auto"},
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"r3": {"ipv4": "auto", "ipv6": "auto"},
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"r4": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "200",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv4": {
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"unicast": {
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"neighbor": {
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"r4": {"dest_link": {"r2": {"activate": "ipv4"}}}
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}
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}
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},
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r1": {
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"dest_link": {
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"r2-link0": {
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"capability": "extended-nexthop",
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"activate": "ipv4"
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}
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}
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},
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"r3": {"dest_link": {"r2": {}}}}
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}
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}}}},
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"r3": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "300",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
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}}},
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"r4": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "400",
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"address_family": {
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"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r4": {}}}}}}
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}}}}}
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@ -0,0 +1,97 @@
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{
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"ipv4base": "10.0.0.0",
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"ipv4mask": 24,
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"ipv6base": "fd00::",
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"ipv6mask": 64,
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"link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "ipv6": "fd00::", "v6mask": 64},
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"lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:DB8:F::", "v6mask": 128},
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"routers": {
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"r0": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r1-link5": {"ipv4": "auto", "ipv6": "auto"}}
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},
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"r1": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r0-link1": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link2": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link3": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link4": {"ipv4": "auto", "ipv6": "auto"},
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"r0-link5": {"ipv4": "auto", "ipv6": "auto"},
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"r2-link0": {"ipv4": "auto"}},
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"bgp": {
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"local_as": "100",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r2": {
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"dest_link": {
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"r1-link0": {
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"activate": "ipv4",
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"capability": "extended-nexthop",
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"neighbor_type": "unnumbered"
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}
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}
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}
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}
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}
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}
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}}},
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"r2": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r1-link0": {"ipv4": "auto"},
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"r3": {"ipv4": "auto", "ipv6": "auto"},
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"r4": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "200",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv4": {
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"unicast": {
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"neighbor": {
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"r4": {"dest_link": {"r2": {"activate": "ipv4"}}}
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}
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}
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},
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"ipv6": {
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"unicast": {
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"neighbor": {
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"r1": {
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"dest_link": {
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"r2-link0": {
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"activate": "ipv4",
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"capability": "extended-nexthop",
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"neighbor_type": "unnumbered"
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}
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}
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},
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"r3": {"dest_link": {"r2": {}}}}
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}
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}}}},
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"r3": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "300",
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"default_ipv4_unicast": "False",
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"address_family": {
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"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
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}}},
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"r4": {
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"links": {
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"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
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"r2": {"ipv4": "auto", "ipv6": "auto"}},
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"bgp": {
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"local_as": "400",
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"address_family": {
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"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r4": {}}}}}}
|
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}}}}}
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95
tests/topotests/bgp_ipv4_over_ipv6/rfc5549_ibgp_nbr.json
Normal file
95
tests/topotests/bgp_ipv4_over_ipv6/rfc5549_ibgp_nbr.json
Normal file
@ -0,0 +1,95 @@
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|
{
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|
"ipv4base": "10.0.0.0",
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|
"ipv4mask": 24,
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|
"ipv6base": "fd00::",
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|
"ipv6mask": 64,
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|
"link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "ipv6": "fd00::", "v6mask": 64},
|
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|
"lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:DB8:F::", "v6mask": 128},
|
||||||
|
"routers": {
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||||||
|
"r0": {
|
||||||
|
"links": {
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|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r1-link1": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r1-link2": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r1-link3": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r1-link4": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r1-link5": {"ipv4": "auto", "ipv6": "auto"}}
|
||||||
|
},
|
||||||
|
"r1": {
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||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r0-link1": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r0-link2": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r0-link3": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r0-link4": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r0-link5": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r2-link0": {"ipv4": "auto", "ipv6": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
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|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r1-link0": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}}},
|
||||||
|
"r2": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r1-link0": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r3": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r4": {"ipv4": "auto", "ipv6": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r4": {"dest_link": {"r2": {"activate": "ipv4"}}}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r1": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2-link0": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"r3": {"dest_link": {"r2": {}}}}
|
||||||
|
}
|
||||||
|
}}}},
|
||||||
|
"r3": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r2": {"ipv4": "auto", "ipv6": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "300",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
|
||||||
|
}}},
|
||||||
|
"r4": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r2": {"ipv4": "auto", "ipv6": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "400",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r4": {}}}}}}
|
||||||
|
}}}}}
|
||||||
@ -0,0 +1,97 @@
|
|||||||
|
{
|
||||||
|
"ipv4base": "10.0.0.0",
|
||||||
|
"ipv4mask": 24,
|
||||||
|
"ipv6base": "fd00::",
|
||||||
|
"ipv6mask": 64,
|
||||||
|
"link_ip_start": {"ipv4": "10.0.0.0", "v4mask": 24, "ipv6": "fd00::", "v6mask": 64},
|
||||||
|
"lo_prefix": {"ipv4": "1.0.", "v4mask": 32, "ipv6": "2001:DB8:F::", "v6mask": 128},
|
||||||
|
"routers": {
|
||||||
|
"r0": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r1-link1": {"ipv4": "auto"},
|
||||||
|
"r1-link2": {"ipv4": "auto"},
|
||||||
|
"r1-link3": {"ipv4": "auto"},
|
||||||
|
"r1-link4": {"ipv4": "auto"},
|
||||||
|
"r1-link5": {"ipv4": "auto"}}
|
||||||
|
},
|
||||||
|
"r1": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r0-link1": {"ipv4": "auto"},
|
||||||
|
"r0-link2": {"ipv4": "auto"},
|
||||||
|
"r0-link3": {"ipv4": "auto"},
|
||||||
|
"r0-link4": {"ipv4": "auto"},
|
||||||
|
"r0-link5": {"ipv4": "auto"},
|
||||||
|
"r2-link0": {"ipv4": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r1-link0": {
|
||||||
|
"neighbor_type": "unnumbered",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}}},
|
||||||
|
"r2": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r1-link0": {"ipv4": "auto"},
|
||||||
|
"r3": {"ipv4": "auto", "ipv6": "auto"},
|
||||||
|
"r4": {"ipv4": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r4": {"dest_link": {"r2": {"activate": "ipv4"}}}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r1": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2-link0": {
|
||||||
|
"neighbor_type": "unnumbered",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4"
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"r3": {"dest_link": {"r2": {}}}}
|
||||||
|
}
|
||||||
|
}}}},
|
||||||
|
"r3": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r2": {"ipv4": "auto", "ipv6": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "300",
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
|
||||||
|
}}},
|
||||||
|
"r4": {
|
||||||
|
"links": {
|
||||||
|
"lo": {"ipv4": "auto", "ipv6": "auto", "type": "loopback"},
|
||||||
|
"r2": {"ipv4": "auto"}},
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "400",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r4": {}}}}}}
|
||||||
|
}}}}}
|
||||||
987
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_ibgp_nbr.py
Normal file
987
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_ibgp_nbr.py
Normal file
@ -0,0 +1,987 @@
|
|||||||
|
#!/usr/bin/env python
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||||
|
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||||
|
# ("NetDEF") in this file.
|
||||||
|
#
|
||||||
|
# Permission to use, copy, modify, and/or distribute this software
|
||||||
|
# for any purpose with or without fee is hereby granted, provided
|
||||||
|
# that the above copyright notice and this permission notice appear
|
||||||
|
# in all copies.
|
||||||
|
#
|
||||||
|
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||||
|
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||||
|
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||||
|
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||||
|
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||||
|
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||||
|
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||||
|
# OF THIS SOFTWARE.
|
||||||
|
#
|
||||||
|
|
||||||
|
|
||||||
|
"""RFC5549 Automation."""
|
||||||
|
import os
|
||||||
|
import sys
|
||||||
|
import time
|
||||||
|
import json
|
||||||
|
import pytest
|
||||||
|
from copy import deepcopy
|
||||||
|
import ipaddr
|
||||||
|
from re import search as re_search
|
||||||
|
|
||||||
|
# Save the Current Working Directory to find configuration files.
|
||||||
|
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||||
|
sys.path.append(os.path.join(CWD, "../"))
|
||||||
|
sys.path.append(os.path.join(CWD, "../../"))
|
||||||
|
|
||||||
|
# pylint: disable=C0413
|
||||||
|
# Import topogen and topotest helpers
|
||||||
|
from lib.topogen import Topogen, get_topogen
|
||||||
|
from mininet.topo import Topo
|
||||||
|
|
||||||
|
from lib.common_config import (
|
||||||
|
start_topology,
|
||||||
|
write_test_header,
|
||||||
|
get_frr_ipv6_linklocal,
|
||||||
|
write_test_footer,
|
||||||
|
create_prefix_lists,
|
||||||
|
verify_rib,
|
||||||
|
create_static_routes,
|
||||||
|
check_address_types,
|
||||||
|
reset_config_on_routers,
|
||||||
|
step,
|
||||||
|
create_route_maps,
|
||||||
|
create_interfaces_cfg,
|
||||||
|
)
|
||||||
|
from lib.topolog import logger
|
||||||
|
from lib.bgp import (
|
||||||
|
clear_bgp_and_verify,
|
||||||
|
verify_bgp_convergence,
|
||||||
|
create_router_bgp,
|
||||||
|
verify_bgp_rib,
|
||||||
|
)
|
||||||
|
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
topo = None
|
||||||
|
# Reading the data from JSON File for topology creation
|
||||||
|
jsonFile = "{}/rfc5549_ebgp_ibgp_nbr.json".format(CWD)
|
||||||
|
try:
|
||||||
|
with open(jsonFile, "r") as topoJson:
|
||||||
|
topo = json.load(topoJson)
|
||||||
|
except IOError:
|
||||||
|
assert False, "Could not read file {}".format(jsonFile)
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
NETWORK = {
|
||||||
|
"ipv4": [
|
||||||
|
"11.0.20.1/32",
|
||||||
|
"11.0.20.2/32",
|
||||||
|
"11.0.20.3/32",
|
||||||
|
"11.0.20.4/32",
|
||||||
|
"11.0.20.5/32",
|
||||||
|
],
|
||||||
|
"ipv6": ["1::1/128", "1::2/128", "1::3/128", "1::4/128", "1::5/128"],
|
||||||
|
}
|
||||||
|
MASK = {"ipv4": "32", "ipv6": "128"}
|
||||||
|
NEXT_HOP = {
|
||||||
|
"ipv4": ["10.0.0.1", "10.0.1.1", "10.0.2.1", "10.0.3.1", "10.0.4.1"],
|
||||||
|
"ipv6": ["Null0", "Null0", "Null0", "Null0", "Null0"],
|
||||||
|
}
|
||||||
|
NO_OF_RTES = 2
|
||||||
|
NETWORK_CMD_IP = "1.0.1.17/32"
|
||||||
|
ADDR_TYPES = check_address_types()
|
||||||
|
TOPOOLOGY = """
|
||||||
|
Please view in a fixed-width font such as Courier.
|
||||||
|
|
||||||
|
+----+
|
||||||
|
| R4 |
|
||||||
|
| |
|
||||||
|
+--+-+
|
||||||
|
| ipv4 nbr
|
||||||
|
no bgp ebgp/ibgp |
|
||||||
|
| ebgp/ibgp
|
||||||
|
+----+ 5links +----+ 8links +--+-+ +----+
|
||||||
|
|R0 +----------+ R1 +------------+ R2 | ipv6 nbr |R3 |
|
||||||
|
| +----------+ +------------+ +-------------+ |
|
||||||
|
+----+ +----+ ipv6 nbr +----+ +----+
|
||||||
|
"""
|
||||||
|
|
||||||
|
TESTCASES = """
|
||||||
|
1. Verify Ipv4 route next hop is changed when advertised using
|
||||||
|
next hop -self command
|
||||||
|
2. Verify IPv4 route advertised to peer when IPv6 BGP session established
|
||||||
|
using peer-group
|
||||||
|
3. Verify IPv4 routes received with IPv6 nexthop are getting advertised
|
||||||
|
to another IBGP peer without changing the nexthop
|
||||||
|
4. Verify IPv4 routes advertised with correct nexthop when nexthop
|
||||||
|
unchange is configure on EBGP peers
|
||||||
|
"""
|
||||||
|
|
||||||
|
|
||||||
|
class CreateTopo(Topo):
|
||||||
|
"""
|
||||||
|
Test topology builder.
|
||||||
|
|
||||||
|
* `Topo`: Topology object
|
||||||
|
"""
|
||||||
|
|
||||||
|
def build(self, *_args, **_opts):
|
||||||
|
"""Build function."""
|
||||||
|
tgen = get_topogen(self)
|
||||||
|
|
||||||
|
# Building topology from json file
|
||||||
|
build_topo_from_json(tgen, topo)
|
||||||
|
|
||||||
|
|
||||||
|
def setup_module(mod):
|
||||||
|
"""Set up the pytest environment."""
|
||||||
|
|
||||||
|
global topo
|
||||||
|
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||||
|
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||||
|
logger.info("=" * 40)
|
||||||
|
|
||||||
|
logger.info("Running setup_module to create topology")
|
||||||
|
|
||||||
|
# This function initiates the topology build with Topogen...
|
||||||
|
tgen = Topogen(CreateTopo, mod.__name__)
|
||||||
|
|
||||||
|
# Starting topology, create tmp files which are loaded to routers
|
||||||
|
# to start deamons and then start routers
|
||||||
|
start_topology(tgen)
|
||||||
|
|
||||||
|
# Creating configuration from JSON
|
||||||
|
build_config_from_json(tgen, topo)
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
|
||||||
|
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||||
|
BGP_CONVERGENCE
|
||||||
|
)
|
||||||
|
logger.info("Running setup_module() done")
|
||||||
|
|
||||||
|
|
||||||
|
def teardown_module():
|
||||||
|
"""
|
||||||
|
Teardown the pytest environment.
|
||||||
|
|
||||||
|
* `mod`: module name
|
||||||
|
"""
|
||||||
|
logger.info("Running teardown_module to delete topology")
|
||||||
|
|
||||||
|
tgen = get_topogen()
|
||||||
|
|
||||||
|
# Stop toplogy and Remove tmp files
|
||||||
|
tgen.stop_topology()
|
||||||
|
|
||||||
|
|
||||||
|
def get_llip(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the link local ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `fromnode`: Source node
|
||||||
|
* `tonode` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_llip('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) link local ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
tgen = get_topogen()
|
||||||
|
intf = topo["routers"][onrouter]["links"][intf]["interface"]
|
||||||
|
llip = get_frr_ipv6_linklocal(tgen, onrouter, intf)
|
||||||
|
if llip:
|
||||||
|
logger.info("llip ipv6 address to be set as NH is %s", llip)
|
||||||
|
return llip
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
def get_glipv6(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the global ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `onrouter`: Source node
|
||||||
|
* `intf` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_glipv6('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) global ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
glipv6 = (topo["routers"][onrouter]["links"][intf]["ipv6"]).split("/")[0]
|
||||||
|
if glipv6:
|
||||||
|
logger.info("Global ipv6 address to be set as NH is %s", glipv6)
|
||||||
|
return glipv6
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
# ##################################
|
||||||
|
# Test cases start here.
|
||||||
|
# ##################################
|
||||||
|
def test_ibgp_to_ibgp_p1(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test Capability extended nexthop.
|
||||||
|
|
||||||
|
Verify IPv4 routes received with IPv6 nexthop are getting advertised to
|
||||||
|
another IBGP peer without changing the nexthop
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
global topo
|
||||||
|
topo23 = deepcopy(topo)
|
||||||
|
build_config_from_json(tgen, topo23, save_bkup=False)
|
||||||
|
|
||||||
|
step("Configure IPv6 EBGP session between R1 and R2 with " "global IPv6 address")
|
||||||
|
step("Configure IPv6 IBGP session betn R2 & R3 using IPv6 global address")
|
||||||
|
step("Enable capability extended-nexthop on both the IPv6 BGP peers")
|
||||||
|
step("Activate same IPv6 nbr from IPv4 unicast family")
|
||||||
|
step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
|
||||||
|
step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
|
||||||
|
|
||||||
|
# verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo23)
|
||||||
|
assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
|
||||||
|
bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
step(" Configure 5 IPv4 static" " routes on R1, Nexthop as different links of R0")
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo23, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
"IPv4 routes advertised using static and network command are "
|
||||||
|
" received on R2 BGP and routing table , "
|
||||||
|
"verify using show ip bgp, show ip route for IPv4 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
gllip = get_llip("r1", "r2-link0")
|
||||||
|
assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r3": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2": {
|
||||||
|
"activate": "ipv4",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r3 = {
|
||||||
|
"r3": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r3": {
|
||||||
|
"activate": "ipv4",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"IPv4 routes installed on R3 with global address without "
|
||||||
|
"changing the nexthop ( nexthop should IPv6 link local which is"
|
||||||
|
" received from R1)"
|
||||||
|
)
|
||||||
|
gipv6 = get_glipv6("r1", "r2-link0")
|
||||||
|
dut = "r3"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gipv6,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gipv6
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
def test_ext_nh_cap_red_static_network_ibgp_peer_p1(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test Extended capability next hop, with ibgp peer.
|
||||||
|
|
||||||
|
Verify IPv4 routes advertise using "redistribute static" and
|
||||||
|
"network command" are received on EBGP peer with IPv6 nexthop
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
step(
|
||||||
|
" Configure IPv6 EBGP session between R1 & R2 with global IPv6 address"
|
||||||
|
" Enable capability extended-nexthop on the nbr from both the routers"
|
||||||
|
" Activate same IPv6 nbr from IPv4 unicast family"
|
||||||
|
)
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r3": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4",
|
||||||
|
"next_hop_self": True,
|
||||||
|
"activate": "ipv4",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r3 = {
|
||||||
|
"r3": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r3": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
gllip = get_llip("r1", "r2-link0")
|
||||||
|
assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
gllip = get_glipv6("r2", "r3")
|
||||||
|
assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r3"
|
||||||
|
protocol = "bgp"
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
def test_bgp_peer_group_p1(request):
|
||||||
|
"""
|
||||||
|
Test extended capability next hop with peer groups.
|
||||||
|
|
||||||
|
Verify IPv4 routes received with IPv6 nexthop are getting advertised to
|
||||||
|
another IBGP peer without changing the nexthop
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
global topo
|
||||||
|
topo1 = deepcopy(topo)
|
||||||
|
step("Configure IPv6 EBGP session between R1 and R2 with " "global IPv6 address")
|
||||||
|
step("Configure IPv6 IBGP session betn R2 & R3 using IPv6 global address")
|
||||||
|
step("Enable capability extended-nexthop on both the IPv6 BGP peers")
|
||||||
|
step("Activate same IPv6 nbr from IPv4 unicast family")
|
||||||
|
step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"peer-group": {
|
||||||
|
"rfc5549": {"capability": "extended-nexthop", "remote-as": "200"}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r1-link0": {
|
||||||
|
"activate": "ipv4",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"peer-group": "rfc5549",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"peer-group": {
|
||||||
|
"rfc5549": {"capability": "extended-nexthop", "remote-as": "100"}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r1": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2-link0": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4",
|
||||||
|
"peer-group": "rfc5549",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"r3": {"dest_link": {"r2": {}}},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r3 = {
|
||||||
|
"r3": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
|
||||||
|
bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
step(" Configure 2 IPv4 static" " routes on R1, Nexthop as different links of R0")
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
"IPv4 routes advertised using static and network command are "
|
||||||
|
" received on R2 BGP and routing table , "
|
||||||
|
"verify using show ip bgp, show ip route for IPv4 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
gllip = get_llip("r1", "r2-link0")
|
||||||
|
assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"peer-group": {
|
||||||
|
"rfc5549": {"capability": "extended-nexthop", "remote-as": "200"}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r2": {
|
||||||
|
"dest_link": {
|
||||||
|
"r1-link0": {
|
||||||
|
"activate": "ipv4",
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"peer-group": "rfc5549",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"default_ipv4_unicast": "False",
|
||||||
|
"peer-group": {
|
||||||
|
"rfc5549": {"capability": "extended-nexthop", "remote-as": "100"}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
configure_bgp_on_r2 = {
|
||||||
|
"r2": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"neighbor": {
|
||||||
|
"r1": {
|
||||||
|
"dest_link": {
|
||||||
|
"r2-link0": {
|
||||||
|
"capability": "extended-nexthop",
|
||||||
|
"activate": "ipv4",
|
||||||
|
"peer-group": "rfc5549",
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"r3": {"dest_link": {"r2": {}}},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r2)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r3 = {
|
||||||
|
"r3": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {"unicast": {"neighbor": {"r2": {"dest_link": {"r3": {}}}}}}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r3)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
|
||||||
|
bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
step(" Configure 2 IPv4 static" " routes on R1, Nexthop as different links of R0")
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
"IPv4 routes advertised using static and network command are "
|
||||||
|
" received on R2 BGP and routing table , "
|
||||||
|
"verify using show ip bgp, show ip route for IPv4 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
gllip = get_llip("r1", "r2-link0")
|
||||||
|
assert gllip is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": gllip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=gllip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
args = ["-s"] + sys.argv[1:]
|
||||||
|
sys.exit(pytest.main(args))
|
||||||
661
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_nbr.py
Normal file
661
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ebgp_nbr.py
Normal file
@ -0,0 +1,661 @@
|
|||||||
|
#!/usr/bin/env python
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||||
|
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||||
|
# ("NetDEF") in this file.
|
||||||
|
#
|
||||||
|
# Permission to use, copy, modify, and/or distribute this software
|
||||||
|
# for any purpose with or without fee is hereby granted, provided
|
||||||
|
# that the above copyright notice and this permission notice appear
|
||||||
|
# in all copies.
|
||||||
|
#
|
||||||
|
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||||
|
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||||
|
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||||
|
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||||
|
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||||
|
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||||
|
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||||
|
# OF THIS SOFTWARE.
|
||||||
|
#
|
||||||
|
|
||||||
|
|
||||||
|
"""RFC5549 Automation."""
|
||||||
|
import os
|
||||||
|
import sys
|
||||||
|
import time
|
||||||
|
import json
|
||||||
|
import pytest
|
||||||
|
import datetime
|
||||||
|
from copy import deepcopy
|
||||||
|
import ipaddr
|
||||||
|
from re import search as re_search
|
||||||
|
|
||||||
|
# Save the Current Working Directory to find configuration files.
|
||||||
|
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||||
|
sys.path.append(os.path.join(CWD, "../"))
|
||||||
|
sys.path.append(os.path.join(CWD, "../../"))
|
||||||
|
|
||||||
|
# pylint: disable=C0413
|
||||||
|
# Import topogen and topotest helpers
|
||||||
|
from lib.topogen import Topogen, get_topogen
|
||||||
|
from mininet.topo import Topo
|
||||||
|
|
||||||
|
from lib.common_config import (
|
||||||
|
start_topology,
|
||||||
|
write_test_header,
|
||||||
|
write_test_footer,
|
||||||
|
create_prefix_lists,
|
||||||
|
get_frr_ipv6_linklocal,
|
||||||
|
verify_rib,
|
||||||
|
create_static_routes,
|
||||||
|
check_address_types,
|
||||||
|
reset_config_on_routers,
|
||||||
|
step,
|
||||||
|
create_route_maps,
|
||||||
|
addKernelRoute,
|
||||||
|
kill_router_daemons,
|
||||||
|
start_router_daemons,
|
||||||
|
create_interfaces_cfg,
|
||||||
|
)
|
||||||
|
from lib.topolog import logger
|
||||||
|
from lib.bgp import (
|
||||||
|
clear_bgp_and_verify,
|
||||||
|
clear_bgp,
|
||||||
|
verify_bgp_convergence,
|
||||||
|
create_router_bgp,
|
||||||
|
verify_bgp_rib,
|
||||||
|
)
|
||||||
|
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
topo = None
|
||||||
|
# Reading the data from JSON File for topology creation
|
||||||
|
jsonFile = "{}/rfc5549_ebgp_nbr.json".format(CWD)
|
||||||
|
try:
|
||||||
|
with open(jsonFile, "r") as topoJson:
|
||||||
|
topo = json.load(topoJson)
|
||||||
|
except IOError:
|
||||||
|
assert False, "Could not read file {}".format(jsonFile)
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
NETWORK = {
|
||||||
|
"ipv4": [
|
||||||
|
"11.0.20.1/32",
|
||||||
|
"11.0.20.2/32",
|
||||||
|
"11.0.20.3/32",
|
||||||
|
"11.0.20.4/32",
|
||||||
|
"11.0.20.5/32",
|
||||||
|
],
|
||||||
|
"ipv6": ["1::1/128", "1::2/128", "1::3/128", "1::4/128", "1::5/128"],
|
||||||
|
}
|
||||||
|
MASK = {"ipv4": "32", "ipv6": "128"}
|
||||||
|
NEXT_HOP = {
|
||||||
|
"ipv4": ["10.0.0.1", "10.0.1.1", "10.0.2.1", "10.0.3.1", "10.0.4.1"],
|
||||||
|
"ipv6": ["Null0", "Null0", "Null0", "Null0", "Null0"],
|
||||||
|
}
|
||||||
|
NO_OF_RTES = 2
|
||||||
|
NETWORK_CMD_IP = "1.0.1.17/32"
|
||||||
|
ADDR_TYPES = check_address_types()
|
||||||
|
BGP_CONVERGENCE_TIMEOUT = 10
|
||||||
|
TOPOOLOGY = """
|
||||||
|
Please view in a fixed-width font such as Courier.
|
||||||
|
+----+
|
||||||
|
| R4 |
|
||||||
|
| |
|
||||||
|
+--+-+
|
||||||
|
| ipv4 nbr
|
||||||
|
no bgp ebgp |
|
||||||
|
| ebgp/ibgp
|
||||||
|
+----+ 5links +----+ +--+-+ +----+
|
||||||
|
|R0 +----------+ R1 | | R2 | ipv6 nbr |R3 |
|
||||||
|
| +----------+ +------------+ +-------------+ |
|
||||||
|
+----+ +----+ ipv6 nbr +----+ +----+
|
||||||
|
"""
|
||||||
|
|
||||||
|
TESTCASES = """
|
||||||
|
TC6. Verify BGP speaker advertise IPv4 route to peer only if "extended
|
||||||
|
nexthop capability" is negotiated
|
||||||
|
TC7. Verify ipv4 route nexthop updated dynamically when in route-map is
|
||||||
|
applied on receiving BGP peer
|
||||||
|
TC8. Verify IPv4 routes advertise using "redistribute static" and "network
|
||||||
|
command" are received on EBGP peer with IPv6 nexthop
|
||||||
|
TC10. Verify IPv4 routes are deleted after un-configuring of "network
|
||||||
|
command" and "redistribute static knob"
|
||||||
|
TC18. Verify IPv4 routes installed with correct nexthop after deactivate
|
||||||
|
and activate neighbor from address family
|
||||||
|
TC19. Verify IPv4 route ping is working fine and nexhop installed in kernel
|
||||||
|
as IPv4 link-local address
|
||||||
|
TC24. Verify IPv4 prefix-list routes advertised to peer when prefix -list
|
||||||
|
applied in out direction
|
||||||
|
TC27. Verify IPv4 routes are intact after BGPd process restart
|
||||||
|
TC30. Verify Ipv4 route installed with correct next hop when same route
|
||||||
|
is advertised via IPV4 and IPv6 BGP peers
|
||||||
|
TC32. Verify IPv4 route received with IPv6 nexthop can be advertised to
|
||||||
|
another IPv4 BGP peers
|
||||||
|
"""
|
||||||
|
|
||||||
|
|
||||||
|
class CreateTopo(Topo):
|
||||||
|
"""
|
||||||
|
Test topology builder.
|
||||||
|
|
||||||
|
* `Topo`: Topology object
|
||||||
|
"""
|
||||||
|
|
||||||
|
def build(self, *_args, **_opts):
|
||||||
|
"""Build function."""
|
||||||
|
tgen = get_topogen(self)
|
||||||
|
|
||||||
|
# Building topology from json file
|
||||||
|
build_topo_from_json(tgen, topo)
|
||||||
|
|
||||||
|
|
||||||
|
def setup_module(mod):
|
||||||
|
"""Set up the pytest environment."""
|
||||||
|
global topo, ADDR_TYPES
|
||||||
|
|
||||||
|
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||||
|
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||||
|
logger.info("=" * 40)
|
||||||
|
|
||||||
|
logger.info("Running setup_module to create topology")
|
||||||
|
|
||||||
|
# This function initiates the topology build with Topogen...
|
||||||
|
tgen = Topogen(CreateTopo, mod.__name__)
|
||||||
|
|
||||||
|
# Starting topology, create tmp files which are loaded to routers
|
||||||
|
# to start deamons and then start routers
|
||||||
|
start_topology(tgen)
|
||||||
|
|
||||||
|
# Creating configuration from JSON
|
||||||
|
build_config_from_json(tgen, topo)
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
|
||||||
|
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||||
|
BGP_CONVERGENCE
|
||||||
|
)
|
||||||
|
logger.info("Running setup_module() done")
|
||||||
|
|
||||||
|
|
||||||
|
def teardown_module():
|
||||||
|
"""Teardown the pytest environment."""
|
||||||
|
logger.info("Running teardown_module to delete topology")
|
||||||
|
|
||||||
|
tgen = get_topogen()
|
||||||
|
|
||||||
|
# Stop toplogy and Remove tmp files
|
||||||
|
tgen.stop_topology()
|
||||||
|
|
||||||
|
|
||||||
|
def get_llip(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the link local ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `fromnode`: Source node
|
||||||
|
* `tonode` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_llip('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) link local ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
tgen = get_topogen()
|
||||||
|
intf = topo["routers"][onrouter]["links"][intf]["interface"]
|
||||||
|
llip = get_frr_ipv6_linklocal(tgen, onrouter, intf)
|
||||||
|
if llip:
|
||||||
|
logger.info("llip ipv6 address to be set as NH is %s", llip)
|
||||||
|
return llip
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
def get_glipv6(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the global ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `onrouter`: Source node
|
||||||
|
* `intf` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_glipv6('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) global ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
glipv6 = (topo["routers"][onrouter]["links"][intf]["ipv6"]).split("/")[0]
|
||||||
|
if glipv6:
|
||||||
|
logger.info("Global ipv6 address to be set as NH is %s", glipv6)
|
||||||
|
return glipv6
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
# ##################################
|
||||||
|
# Test cases start here.
|
||||||
|
# ##################################
|
||||||
|
|
||||||
|
|
||||||
|
def test_ext_nh_cap_red_static_network_ebgp_peer_tc8_p0(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test exted capability nexthop with route map in.
|
||||||
|
|
||||||
|
Verify IPv4 routes advertise using "redistribute static" and
|
||||||
|
"network command" are received on EBGP peer with IPv6 nexthop
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
step("Configure IPv6 EBGP session between R1 and R2 with global" " IPv6 address")
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Enable capability extended-nexthop on the nbr from both the "
|
||||||
|
" routers Activate same IPv6 nbr from IPv4 unicast family"
|
||||||
|
)
|
||||||
|
step(
|
||||||
|
" Configure 2 IPv4 static "
|
||||||
|
"routes on R1 (nexthop for static route exists on different "
|
||||||
|
"link of R0"
|
||||||
|
)
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv6"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv6"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "True",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {"unicast": {"redistribute": [{"redist_type": "static"}]}},
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
glip = get_llip("r1", "r2-link0")
|
||||||
|
assert glip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"IPv4 and IPv6 routes advertised using static and network command "
|
||||||
|
"are received on R2 BGP & routing table , verify using show ip bgp "
|
||||||
|
"show ip route for IPv4 routes and show bgp ipv6,show ipv6 routes "
|
||||||
|
"for IPv6 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
for addr_type in ADDR_TYPES:
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK[addr_type][0],
|
||||||
|
"no_of_ip": 2,
|
||||||
|
"next_hop": glip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, addr_type, dut, verify_nh_for_static_rtes, next_hop=glip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_rib
|
||||||
|
)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen,
|
||||||
|
addr_type,
|
||||||
|
dut,
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=glip,
|
||||||
|
protocol=protocol,
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Verify IPv4 routes are installed with IPv6 global nexthop of R1"
|
||||||
|
" R1 to R2 connected link"
|
||||||
|
)
|
||||||
|
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": glip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=glip
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=glip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
|
||||||
|
def test_ext_nh_cap_remove_red_static_network_ebgp_peer_tc10_p1(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test exted capability nexthop with route map in.
|
||||||
|
|
||||||
|
Verify IPv4 routes are deleted after un-configuring of
|
||||||
|
network command and redistribute static knob
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
step(
|
||||||
|
"Configure IPv6 EBGP session between R1 and R2 with global IPv6"
|
||||||
|
" address Enable capability extended-nexthop on the nbr from both"
|
||||||
|
" the routers , Activate same IPv6 nbr from IPv4 unicast family"
|
||||||
|
)
|
||||||
|
step(
|
||||||
|
" Configure 2 IPv4 static routes "
|
||||||
|
" on R1 nexthop for static route exists on different link of R0"
|
||||||
|
)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 unicast"
|
||||||
|
" family respectively from R1. Configure loopback on R1 with IPv4 "
|
||||||
|
"address Advertise loobak from IPv4 unicast family using network "
|
||||||
|
"command from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"local_as": "100",
|
||||||
|
"default_ipv4_unicast": "True",
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"IPv4 and IPv6 routes advertised using static and network command are"
|
||||||
|
" received on R2 BGP and routing table , verify using show ip bgp"
|
||||||
|
" show ip route for IPv4 routes and show bgp, show ipv6 routes"
|
||||||
|
" for IPv6 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
glipv6 = get_llip("r1", "r2-link0")
|
||||||
|
assert glipv6 is not None, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"advertise_networks": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": get_glipv6,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=get_glipv6
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=get_glipv6,
|
||||||
|
protocol=protocol,
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Verify IPv4 routes are installed with IPv6 global nexthop of R1 "
|
||||||
|
" R1 to R2 connected link"
|
||||||
|
)
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"advertise_networks": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": glipv6,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=glipv6, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static", "delete": True}]
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static", "delete": True}]
|
||||||
|
}
|
||||||
|
},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": glipv6,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=glipv6, expected=False
|
||||||
|
)
|
||||||
|
assert (
|
||||||
|
bgp_rib is not True
|
||||||
|
), "Testcase {} : Failed \n Error: Routes still" " present in BGP rib".format(
|
||||||
|
tc_name
|
||||||
|
)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=glipv6,
|
||||||
|
protocol=protocol,
|
||||||
|
expected=False,
|
||||||
|
)
|
||||||
|
assert (
|
||||||
|
result is not True
|
||||||
|
), "Testcase {} : Failed \n Error: Routes " "still present in RIB".format(tc_name)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"After removing IPv4 routes from redistribute static those routes"
|
||||||
|
" are removed from R2, after re-advertising routes which are "
|
||||||
|
" advertised using network are still present in the on R2 with "
|
||||||
|
" IPv6 global nexthop, verify using show ip bgp and show ip routes"
|
||||||
|
)
|
||||||
|
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": glipv6,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=glipv6, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"advertise_networks": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_network": 1,
|
||||||
|
"delete": True,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
verify_nh_for_nw_cmd_rtes,
|
||||||
|
next_hop=glipv6,
|
||||||
|
protocol=protocol,
|
||||||
|
expected=False,
|
||||||
|
)
|
||||||
|
assert (
|
||||||
|
result is not True
|
||||||
|
), "Testcase {} : Failed \n " "Error: Routes still present in BGP rib".format(
|
||||||
|
tc_name
|
||||||
|
)
|
||||||
|
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
args = ["-s"] + sys.argv[1:]
|
||||||
|
sys.exit(pytest.main(args))
|
||||||
@ -0,0 +1,613 @@
|
|||||||
|
#!/usr/bin/env python
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||||
|
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||||
|
# ("NetDEF") in this file.
|
||||||
|
#
|
||||||
|
# Permission to use, copy, modify, and/or distribute this software
|
||||||
|
# for any purpose with or without fee is hereby granted, provided
|
||||||
|
# that the above copyright notice and this permission notice appear
|
||||||
|
# in all copies.
|
||||||
|
#
|
||||||
|
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||||
|
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||||
|
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||||
|
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||||
|
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||||
|
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||||
|
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||||
|
# OF THIS SOFTWARE.
|
||||||
|
#
|
||||||
|
|
||||||
|
|
||||||
|
"""RFC5549 Automation."""
|
||||||
|
import os
|
||||||
|
import sys
|
||||||
|
import time
|
||||||
|
import json
|
||||||
|
import pytest
|
||||||
|
import ipaddr
|
||||||
|
from copy import deepcopy
|
||||||
|
from re import search as re_search
|
||||||
|
|
||||||
|
# Save the Current Working Directory to find configuration files.
|
||||||
|
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||||
|
sys.path.append(os.path.join(CWD, "../"))
|
||||||
|
sys.path.append(os.path.join(CWD, "../../"))
|
||||||
|
|
||||||
|
from lib.topogen import Topogen, get_topogen
|
||||||
|
from mininet.topo import Topo
|
||||||
|
|
||||||
|
from lib.common_config import (
|
||||||
|
write_test_header,
|
||||||
|
start_topology,
|
||||||
|
create_route_maps,
|
||||||
|
write_test_footer,
|
||||||
|
start_router,
|
||||||
|
stop_router,
|
||||||
|
verify_rib,
|
||||||
|
create_static_routes,
|
||||||
|
check_address_types,
|
||||||
|
reset_config_on_routers,
|
||||||
|
step,
|
||||||
|
shutdown_bringup_interface,
|
||||||
|
create_interfaces_cfg,
|
||||||
|
get_frr_ipv6_linklocal,
|
||||||
|
)
|
||||||
|
from lib.topolog import logger
|
||||||
|
from lib.bgp import clear_bgp, verify_bgp_convergence, create_router_bgp, verify_bgp_rib
|
||||||
|
|
||||||
|
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
topo = None
|
||||||
|
# Reading the data from JSON File for topology creation
|
||||||
|
jsonFile = "{}/rfc5549_ebgp_unnumbered_nbr.json".format(CWD)
|
||||||
|
try:
|
||||||
|
with open(jsonFile, "r") as topoJson:
|
||||||
|
topo = json.load(topoJson)
|
||||||
|
except IOError:
|
||||||
|
assert False, "Could not read file {}".format(jsonFile)
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
NO_OF_RTES = 2
|
||||||
|
NETWORK_CMD_IP = "1.0.1.17/32"
|
||||||
|
NETWORK = {
|
||||||
|
"ipv4": [
|
||||||
|
"11.0.20.1/32",
|
||||||
|
"11.0.20.2/32",
|
||||||
|
"11.0.20.3/32",
|
||||||
|
"11.0.20.4/32",
|
||||||
|
"11.0.20.5/32",
|
||||||
|
],
|
||||||
|
"ipv6": ["1::1/128", "1::2/128", "1::3/128", "1::4/128", "1::5/128"],
|
||||||
|
}
|
||||||
|
MASK = {"ipv4": "32", "ipv6": "128"}
|
||||||
|
NEXT_HOP = {
|
||||||
|
"ipv4": ["10.0.0.1", "10.0.1.1", "10.0.2.1", "10.0.3.1", "10.0.4.1"],
|
||||||
|
"ipv6": ["Null0", "Null0", "Null0", "Null0", "Null0"],
|
||||||
|
}
|
||||||
|
INTF_LIST = [
|
||||||
|
"r2-link0",
|
||||||
|
"r2-link1",
|
||||||
|
"r2-link2",
|
||||||
|
"r2-link3",
|
||||||
|
"r2-link4",
|
||||||
|
"r2-link5",
|
||||||
|
"r2-link6",
|
||||||
|
"r2-link7",
|
||||||
|
]
|
||||||
|
ADDR_TYPES = check_address_types()
|
||||||
|
TOPOOLOGY = """
|
||||||
|
Please view in a fixed-width font such as Courier.
|
||||||
|
|
||||||
|
+----+
|
||||||
|
| R4 |
|
||||||
|
| |
|
||||||
|
+--+-+
|
||||||
|
| ipv4 nbr
|
||||||
|
no bgp ebgp/ibgp |
|
||||||
|
| ebgp/ibgp
|
||||||
|
+----+ 5links +----+ 8links +--+-+ +----+
|
||||||
|
|R0 +----------+ R1 +------------+ R2 | ipv6 nbr |R3 |
|
||||||
|
| +----------+ +------------+ +-------------+ |
|
||||||
|
+----+ +----+ ipv6 nbr +----+ +----+
|
||||||
|
"""
|
||||||
|
|
||||||
|
TESTCASES = """
|
||||||
|
1. Verify IPv4 routes are advertised when IPv6 EBGP loopback session
|
||||||
|
established using Unnumbered interface
|
||||||
|
2. Verify IPv4 routes are installed with correct nexthop after
|
||||||
|
shut / no shut of nexthop and BGP peer interfaces
|
||||||
|
3. Verify IPv4 routes are intact after stop and start the FRR services
|
||||||
|
"""
|
||||||
|
|
||||||
|
|
||||||
|
class CreateTopo(Topo):
|
||||||
|
"""
|
||||||
|
Test topology builder.
|
||||||
|
|
||||||
|
* `Topo`: Topology object
|
||||||
|
"""
|
||||||
|
|
||||||
|
def build(self, *_args, **_opts):
|
||||||
|
"""Build function."""
|
||||||
|
tgen = get_topogen(self)
|
||||||
|
|
||||||
|
# Building topology from json file
|
||||||
|
build_topo_from_json(tgen, topo)
|
||||||
|
|
||||||
|
|
||||||
|
def setup_module(mod):
|
||||||
|
"""Set up the pytest environment."""
|
||||||
|
global topo, ADDR_TYPES
|
||||||
|
|
||||||
|
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||||
|
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||||
|
logger.info("=" * 40)
|
||||||
|
|
||||||
|
logger.info("Running setup_module to create topology")
|
||||||
|
|
||||||
|
# This function initiates the topology build with Topogen...
|
||||||
|
tgen = Topogen(CreateTopo, mod.__name__)
|
||||||
|
|
||||||
|
# Starting topology, create tmp files which are loaded to routers
|
||||||
|
# to start deamons and then start routers
|
||||||
|
start_topology(tgen)
|
||||||
|
|
||||||
|
# Creating configuration from JSON
|
||||||
|
build_config_from_json(tgen, topo)
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
|
||||||
|
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||||
|
BGP_CONVERGENCE
|
||||||
|
)
|
||||||
|
logger.info("Running setup_module() done")
|
||||||
|
|
||||||
|
|
||||||
|
def teardown_module():
|
||||||
|
"""Teardown the pytest environment."""
|
||||||
|
logger.info("Running teardown_module to delete topology")
|
||||||
|
|
||||||
|
tgen = get_topogen()
|
||||||
|
|
||||||
|
# Stop toplogy and Remove tmp files
|
||||||
|
tgen.stop_topology()
|
||||||
|
|
||||||
|
|
||||||
|
def get_llip(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the link local ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `fromnode`: Source node
|
||||||
|
* `tonode` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_llip('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) link local ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
tgen = get_topogen()
|
||||||
|
intf = topo["routers"][onrouter]["links"][intf]["interface"]
|
||||||
|
llip = get_frr_ipv6_linklocal(tgen, onrouter, intf)
|
||||||
|
if llip:
|
||||||
|
logger.info("llip ipv6 address to be set as NH is %s", llip)
|
||||||
|
return llip
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
def get_glipv6(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the global ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `onrouter`: Source node
|
||||||
|
* `intf` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_glipv6('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) global ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
glipv6 = (topo["routers"][onrouter]["links"][intf]["ipv6"]).split("/")[0]
|
||||||
|
if glipv6:
|
||||||
|
logger.info("Global ipv6 address to be set as NH is %s", glipv6)
|
||||||
|
return glipv6
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
# ##################################
|
||||||
|
# Test cases start here.
|
||||||
|
# ##################################
|
||||||
|
|
||||||
|
|
||||||
|
def test_unnumbered_loopback_ebgp_nbr_p0(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test extended capability nexthop with un numbered ebgp.
|
||||||
|
|
||||||
|
Verify IPv4 routes are advertised when IPv6 EBGP loopback
|
||||||
|
session established using Unnumbered interface
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
|
||||||
|
step("Configure IPv6 EBGP Unnumbered session between R1 and R2")
|
||||||
|
step("Enable capability extended-nexthop on both the IPv6 BGP peers")
|
||||||
|
step("Activate same IPv6 nbr from IPv4 unicast family")
|
||||||
|
step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
|
||||||
|
step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
|
||||||
|
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase {} :Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
step(" Configure 5 IPv4 static" " routes on R1, Nexthop as different links of R0")
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {"unicast": {"redistribute": [{"redist_type": "static"}]}},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
"IPv4 routes advertised using static and network command are "
|
||||||
|
" received on R2 BGP and routing table , "
|
||||||
|
"verify using show ip bgp, show ip route for IPv4 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
llip = get_llip("r1", "r2-link0")
|
||||||
|
assert llip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, llip)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK["ipv4"][rte], "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
""" interface_list = ['r1-link0','r1-link1']
|
||||||
|
nh_list =[]
|
||||||
|
for i in range(NO_OF_RTES):
|
||||||
|
nh_list.append(topo['routers']['r2']['links'][i][
|
||||||
|
'interface']) """
|
||||||
|
bgp_rib = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
# verify_nh_for_static_rtes, next_hop='r2-r1-eth0')
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=llip,
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_rib
|
||||||
|
)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=llip,
|
||||||
|
protocol=protocol,
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_nw_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bgp_rib = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
# verify_nh_for_nw_rtes, next_hop='r2-r1-eth0')
|
||||||
|
verify_nh_for_nw_rtes,
|
||||||
|
next_hop=llip,
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
# stop/start -> restart FRR router and verify
|
||||||
|
stop_router(tgen, "r1")
|
||||||
|
stop_router(tgen, "r2")
|
||||||
|
start_router(tgen, "r1")
|
||||||
|
start_router(tgen, "r2")
|
||||||
|
step(
|
||||||
|
"After stop/start of FRR services , verify session up and routes "
|
||||||
|
"came up fine ,nh is proper using show bgp & show ipv6 route on R2 "
|
||||||
|
)
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase {} :Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
llip = get_llip("r1", "r2-link0")
|
||||||
|
assert llip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": llip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_bgp_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
# verify_nh_for_static_rtes, next_hop='r2-r1-eth0')
|
||||||
|
verify_nh_for_static_rtes,
|
||||||
|
next_hop=llip,
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
verify_nh_for_nw_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_rib(
|
||||||
|
tgen,
|
||||||
|
"ipv4",
|
||||||
|
dut,
|
||||||
|
# verify_nh_for_nw_rtes, next_hop='r2-r1-eth0')
|
||||||
|
verify_nh_for_nw_rtes,
|
||||||
|
next_hop=llip,
|
||||||
|
)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
def test_restart_frr_p2(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test extended capability nexthop , restart frr.
|
||||||
|
|
||||||
|
Verify IPv4 routes are intact after stop and start the FRR services
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
step("Configure IPv6 EBGP Unnumbered session between R1 and R2")
|
||||||
|
step("Enable capability extended-nexthop on both the IPv6 BGP peers")
|
||||||
|
step("Activate same IPv6 nbr from IPv4 unicast family")
|
||||||
|
step("Enable cap ext nh on r1 and r2 and activate in ipv4 addr family")
|
||||||
|
step("Verify bgp convergence as ipv6 nbr is enabled on ipv4 addr family.")
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase {} :Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
step(" Configure 5 IPv4 static" " routes on R1, Nexthop as different links of R0")
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 "
|
||||||
|
"unicast family respectively from R1 using red static cmd "
|
||||||
|
"Advertise loopback from IPv4 unicast family using network command "
|
||||||
|
"from R1"
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
},
|
||||||
|
"ipv6": {"unicast": {"redistribute": [{"redist_type": "static"}]}},
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
"IPv4 routes advertised using static and network command are "
|
||||||
|
" received on R2 BGP and routing table , "
|
||||||
|
"verify using show ip bgp, show ip route for IPv4 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
llip = get_llip("r1", "r2-link0")
|
||||||
|
assert llip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": llip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_rib(tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
verify_nh_for_nw_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
bgp_rib = verify_rib(tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
# stop/start -> restart FRR router and verify
|
||||||
|
stop_router(tgen, "r1")
|
||||||
|
stop_router(tgen, "r2")
|
||||||
|
start_router(tgen, "r1")
|
||||||
|
start_router(tgen, "r2")
|
||||||
|
|
||||||
|
step(
|
||||||
|
"After stop/start of FRR services , verify session up and routes "
|
||||||
|
"came up fine ,nh is proper using show bgp & show ipv6 route on R2 "
|
||||||
|
)
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase {} :Failed \n Error: {}".format(
|
||||||
|
tc_name, bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
llip = get_llip("r1", "r2-link0")
|
||||||
|
assert llip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK["ipv4"][0], "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_rib(tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
# verify the routes with nh as ext_nh
|
||||||
|
verify_nh_for_nw_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_ip": 1, "next_hop": llip}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
bgp_rib = verify_rib(tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip)
|
||||||
|
assert bgp_rib is True, "Testcase {} : Failed \n Error: {}".format(tc_name, bgp_rib)
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
args = ["-s"] + sys.argv[1:]
|
||||||
|
sys.exit(pytest.main(args))
|
||||||
1013
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ibgp_nbr.py
Normal file
1013
tests/topotests/bgp_ipv4_over_ipv6/test_rfc5549_ibgp_nbr.py
Normal file
File diff suppressed because it is too large
Load Diff
@ -0,0 +1,347 @@
|
|||||||
|
#!/usr/bin/env python
|
||||||
|
|
||||||
|
#
|
||||||
|
# Copyright (c) 2021 by VMware, Inc. ("VMware")
|
||||||
|
# Used Copyright (c) 2018 by Network Device Education Foundation, Inc.
|
||||||
|
# ("NetDEF") in this file.
|
||||||
|
#
|
||||||
|
# Permission to use, copy, modify, and/or distribute this software
|
||||||
|
# for any purpose with or without fee is hereby granted, provided
|
||||||
|
# that the above copyright notice and this permission notice appear
|
||||||
|
# in all copies.
|
||||||
|
#
|
||||||
|
# THE SOFTWARE IS PROVIDED "AS IS" AND VMWARE DISCLAIMS ALL WARRANTIES
|
||||||
|
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
|
||||||
|
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL VMWARE BE LIABLE FOR
|
||||||
|
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY
|
||||||
|
# DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
|
||||||
|
# WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
||||||
|
# ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
|
||||||
|
# OF THIS SOFTWARE.
|
||||||
|
#
|
||||||
|
|
||||||
|
|
||||||
|
"""RFC5549 Automation."""
|
||||||
|
import os
|
||||||
|
import sys
|
||||||
|
import time
|
||||||
|
import json
|
||||||
|
import pytest
|
||||||
|
import ipaddr
|
||||||
|
from re import search as re_search
|
||||||
|
|
||||||
|
# Save the Current Working Directory to find configuration files.
|
||||||
|
CWD = os.path.dirname(os.path.realpath(__file__))
|
||||||
|
sys.path.append(os.path.join(CWD, "../"))
|
||||||
|
sys.path.append(os.path.join(CWD, "../../"))
|
||||||
|
|
||||||
|
# pylint: disable=C0413
|
||||||
|
# Import topogen and topotest helpers
|
||||||
|
from lib.topogen import Topogen, get_topogen
|
||||||
|
from mininet.topo import Topo
|
||||||
|
|
||||||
|
from lib.common_config import (
|
||||||
|
start_topology,
|
||||||
|
write_test_header,
|
||||||
|
write_test_footer,
|
||||||
|
create_interfaces_cfg,
|
||||||
|
verify_rib,
|
||||||
|
create_static_routes,
|
||||||
|
check_address_types,
|
||||||
|
step,
|
||||||
|
reset_config_on_routers,
|
||||||
|
get_frr_ipv6_linklocal,
|
||||||
|
)
|
||||||
|
from lib.topolog import logger
|
||||||
|
from lib.bgp import clear_bgp, verify_bgp_convergence, create_router_bgp
|
||||||
|
from lib.topojson import build_topo_from_json, build_config_from_json
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
topo = None
|
||||||
|
# Reading the data from JSON File for topology creation
|
||||||
|
jsonFile = "{}/rfc5549_ibgp_unnumbered_nbr.json".format(CWD)
|
||||||
|
try:
|
||||||
|
with open(jsonFile, "r") as topoJson:
|
||||||
|
topo = json.load(topoJson)
|
||||||
|
except IOError:
|
||||||
|
assert False, "Could not read file {}".format(jsonFile)
|
||||||
|
|
||||||
|
|
||||||
|
# Global variables
|
||||||
|
NETWORK_CMD_IP = "1.0.1.17/32"
|
||||||
|
NETWORK = {
|
||||||
|
"ipv4": [
|
||||||
|
"11.0.20.1/32",
|
||||||
|
"11.0.20.2/32",
|
||||||
|
"11.0.20.3/32",
|
||||||
|
"11.0.20.4/32",
|
||||||
|
"11.0.20.5/32",
|
||||||
|
],
|
||||||
|
"ipv6": ["1::1/128", "1::2/128", "1::3/128", "1::4/128", "1::5/128"],
|
||||||
|
}
|
||||||
|
MASK = {"ipv4": "32", "ipv6": "128"}
|
||||||
|
NEXT_HOP = {
|
||||||
|
"ipv4": ["10.0.0.1", "10.0.1.1", "10.0.2.1", "10.0.3.1", "10.0.4.1"],
|
||||||
|
"ipv6": ["Null0", "Null0", "Null0", "Null0", "Null0"],
|
||||||
|
}
|
||||||
|
ADDR_TYPES = check_address_types()
|
||||||
|
NO_OF_RTES = 2
|
||||||
|
TOPOOLOGY = """
|
||||||
|
Please view in a fixed-width font such as Courier.
|
||||||
|
+----+
|
||||||
|
| R4 |
|
||||||
|
| |
|
||||||
|
+--+-+
|
||||||
|
| ipv4 nbr
|
||||||
|
no bgp ebgp/ibgp |
|
||||||
|
| ebgp/ibgp
|
||||||
|
+----+ 2links +----+ 8links +--+-+ +----+
|
||||||
|
|R0 +----------+ R1 + + R2 | ipv6 nbr |R3 |
|
||||||
|
| +----------+ +------------+ +-------------+ |
|
||||||
|
+----+ +----+ ipv6 nbr +----+ +----+
|
||||||
|
"""
|
||||||
|
|
||||||
|
TESTCASES = """
|
||||||
|
1. Verify IPv4 routes are deleted after un-configuring "network command
|
||||||
|
" and "redistribute static knob" with Unnumbered IPv6 IBGP session
|
||||||
|
"""
|
||||||
|
|
||||||
|
|
||||||
|
class CreateTopo(Topo):
|
||||||
|
"""
|
||||||
|
Test topology builder.
|
||||||
|
|
||||||
|
* `Topo`: Topology object
|
||||||
|
"""
|
||||||
|
|
||||||
|
def build(self, *_args, **_opts):
|
||||||
|
"""Build function."""
|
||||||
|
tgen = get_topogen(self)
|
||||||
|
|
||||||
|
# Building topology from json file
|
||||||
|
build_topo_from_json(tgen, topo)
|
||||||
|
|
||||||
|
|
||||||
|
def setup_module(mod):
|
||||||
|
"""Set up the pytest environment."""
|
||||||
|
|
||||||
|
global topo
|
||||||
|
testsuite_run_time = time.asctime(time.localtime(time.time()))
|
||||||
|
logger.info("Testsuite start time: {}".format(testsuite_run_time))
|
||||||
|
logger.info("=" * 40)
|
||||||
|
|
||||||
|
logger.info("Running setup_module to create topology")
|
||||||
|
|
||||||
|
# This function initiates the topology build with Topogen...
|
||||||
|
tgen = Topogen(CreateTopo, mod.__name__)
|
||||||
|
|
||||||
|
# Starting topology, create tmp files which are loaded to routers
|
||||||
|
# to start deamons and then start routers
|
||||||
|
start_topology(tgen)
|
||||||
|
|
||||||
|
# Creating configuration from JSON
|
||||||
|
build_config_from_json(tgen, topo)
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
|
||||||
|
BGP_CONVERGENCE = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert BGP_CONVERGENCE is True, "setup_module :Failed \n Error:" " {}".format(
|
||||||
|
BGP_CONVERGENCE
|
||||||
|
)
|
||||||
|
|
||||||
|
logger.info("Running setup_module() done")
|
||||||
|
|
||||||
|
|
||||||
|
def teardown_module():
|
||||||
|
"""Teardown the pytest environment."""
|
||||||
|
logger.info("Running teardown_module to delete topology")
|
||||||
|
|
||||||
|
tgen = get_topogen()
|
||||||
|
|
||||||
|
# Stop toplogy and Remove tmp files
|
||||||
|
tgen.stop_topology()
|
||||||
|
|
||||||
|
|
||||||
|
def get_llip(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the link local ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `fromnode`: Source node
|
||||||
|
* `tonode` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_llip('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) link local ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
tgen = get_topogen()
|
||||||
|
intf = topo["routers"][onrouter]["links"][intf]["interface"]
|
||||||
|
llip = get_frr_ipv6_linklocal(tgen, onrouter, intf)
|
||||||
|
|
||||||
|
if llip:
|
||||||
|
logger.info("llip ipv6 address to be set as NH is %s", llip)
|
||||||
|
return llip
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
def get_glipv6(onrouter, intf):
|
||||||
|
"""
|
||||||
|
API to get the global ipv6 address of a perticular interface
|
||||||
|
|
||||||
|
Parameters
|
||||||
|
----------
|
||||||
|
* `onrouter`: Source node
|
||||||
|
* `intf` : interface for which link local ip needs to be returned.
|
||||||
|
|
||||||
|
Usage
|
||||||
|
-----
|
||||||
|
result = get_glipv6('r1', 'r2-link0')
|
||||||
|
|
||||||
|
Returns
|
||||||
|
-------
|
||||||
|
1) global ipv6 address from the interface.
|
||||||
|
2) errormsg - when link local ip not found.
|
||||||
|
"""
|
||||||
|
glipv6 = (topo["routers"][onrouter]["links"][intf]["ipv6"]).split("/")[0]
|
||||||
|
if glipv6:
|
||||||
|
logger.info("Global ipv6 address to be set as NH is %s", glipv6)
|
||||||
|
return glipv6
|
||||||
|
return None
|
||||||
|
|
||||||
|
|
||||||
|
# ##################################
|
||||||
|
# Test cases start here.
|
||||||
|
# ##################################
|
||||||
|
|
||||||
|
|
||||||
|
def test_ext_nh_cap_red_static_network_ebgp_peer_unnumbered_nbr_p1(request):
|
||||||
|
"""
|
||||||
|
|
||||||
|
Test extended capability nexthop.
|
||||||
|
|
||||||
|
Verify IPv4 routes advertise using "redistribute static" and
|
||||||
|
"network command" are received on EBGP peer with IPv6 nexthop
|
||||||
|
"""
|
||||||
|
tc_name = request.node.name
|
||||||
|
write_test_header(tc_name)
|
||||||
|
tgen = get_topogen()
|
||||||
|
# Don't run this test if we have any failure.
|
||||||
|
if tgen.routers_have_failure():
|
||||||
|
pytest.skip(tgen.errors)
|
||||||
|
reset_config_on_routers(tgen)
|
||||||
|
step(
|
||||||
|
"Configure IPv6 IBGP Unnumbered session between R1 and R2 and enable "
|
||||||
|
"ipv6 nd ra-interval 10 in the interface"
|
||||||
|
)
|
||||||
|
|
||||||
|
step(
|
||||||
|
"Enable capability extended-nexthop"
|
||||||
|
"on the neighbor from both the routers and "
|
||||||
|
"ipv6 nd ra-interval 10 on link connected between R1 and R2"
|
||||||
|
)
|
||||||
|
|
||||||
|
bgp_convergence = verify_bgp_convergence(tgen, topo)
|
||||||
|
assert bgp_convergence is True, "Testcase :Failed \n Error:" " {}".format(
|
||||||
|
bgp_convergence
|
||||||
|
)
|
||||||
|
|
||||||
|
for rte in range(0, NO_OF_RTES):
|
||||||
|
# Create Static routes
|
||||||
|
input_dict = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][rte],
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": NEXT_HOP["ipv4"][rte],
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_static_routes(tgen, input_dict)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(
|
||||||
|
tc_name, result
|
||||||
|
)
|
||||||
|
step(
|
||||||
|
"Advertise static routes from IPv4 unicast family and IPv6 unicast "
|
||||||
|
"family respectively from R1 "
|
||||||
|
"Configure loopback on R1 with IPv4 address Advertise loopback "
|
||||||
|
"from IPv4 unicast family using network cmd from R1 "
|
||||||
|
)
|
||||||
|
|
||||||
|
configure_bgp_on_r1 = {
|
||||||
|
"r1": {
|
||||||
|
"bgp": {
|
||||||
|
"address_family": {
|
||||||
|
"ipv4": {
|
||||||
|
"unicast": {
|
||||||
|
"redistribute": [{"redist_type": "static"}],
|
||||||
|
"advertise_networks": [
|
||||||
|
{"network": NETWORK_CMD_IP, "no_of_network": 1}
|
||||||
|
],
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = create_router_bgp(tgen, topo, configure_bgp_on_r1)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
llip = get_llip("r1", "r2-link0")
|
||||||
|
assert llip is not None, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
step(
|
||||||
|
" IPv4 and IPv6 routes advertised using static and network command are"
|
||||||
|
" received on R2 BGP and routing table , verify using show ip bgp"
|
||||||
|
" show ip route for IPv4 routes and show bgp show ipv6 routes"
|
||||||
|
" for IPv6 routes ."
|
||||||
|
)
|
||||||
|
|
||||||
|
dut = "r2"
|
||||||
|
protocol = "bgp"
|
||||||
|
verify_nh_for_static_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK["ipv4"][0],
|
||||||
|
"no_of_ip": NO_OF_RTES,
|
||||||
|
"next_hop": llip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_static_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
verify_nh_for_nw_cmd_rtes = {
|
||||||
|
"r1": {
|
||||||
|
"static_routes": [
|
||||||
|
{
|
||||||
|
"network": NETWORK_CMD_IP,
|
||||||
|
"no_of_ip": 1,
|
||||||
|
"next_hop": llip,
|
||||||
|
}
|
||||||
|
]
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
result = verify_rib(
|
||||||
|
tgen, "ipv4", dut, verify_nh_for_nw_cmd_rtes, next_hop=llip, protocol=protocol
|
||||||
|
)
|
||||||
|
assert result is True, "Testcase {} : Failed \n Error: {}".format(tc_name, result)
|
||||||
|
|
||||||
|
write_test_footer(tc_name)
|
||||||
|
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
args = ["-s"] + sys.argv[1:]
|
||||||
|
sys.exit(pytest.main(args))
|
||||||
Loading…
Reference in New Issue
Block a user