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tests: add connected/recursive/duplicte/route-map NHG tests
Add some more NHG topotests using connected, recursive, duplicate and higher ecmp nexthops as well as route maps. Signed-off-by: Stephen Worley <sworley@cumulusnetworks.com>
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Stephen Worley
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@ -10,8 +10,14 @@ C>* 192.168.8.0/26 is directly connected, r1-eth8, XX:XX:XX
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C>* 192.168.9.0/26 is directly connected, r1-eth9, XX:XX:XX
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O 192.168.0.0/24 [110/10] is directly connected, r1-eth0, weight 1, XX:XX:XX
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O 192.168.3.0/26 [110/10] is directly connected, r1-eth3, weight 1, XX:XX:XX
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S>* 1.1.1.1/32 [1/0] is directly connected, r1-eth0, weight 1, XX:XX:XX
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S>* 1.1.1.2/32 [1/0] is directly connected, r1-eth1, weight 1, XX:XX:XX
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S>* 1.1.1.1/32 [1/0] is directly connected, r1-eth1, weight 1, XX:XX:XX
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S>* 1.1.1.2/32 [1/0] is directly connected, r1-eth2, weight 1, XX:XX:XX
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S>* 1.1.1.3/32 [1/0] is directly connected, r1-eth3, weight 1, XX:XX:XX
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S>* 1.1.1.4/32 [1/0] is directly connected, r1-eth4, weight 1, XX:XX:XX
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S>* 1.1.1.5/32 [1/0] is directly connected, r1-eth5, weight 1, XX:XX:XX
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S>* 1.1.1.6/32 [1/0] is directly connected, r1-eth6, weight 1, XX:XX:XX
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S>* 1.1.1.7/32 [1/0] is directly connected, r1-eth7, weight 1, XX:XX:XX
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S>* 1.1.1.8/32 [1/0] is directly connected, r1-eth8, weight 1, XX:XX:XX
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S>* 4.5.6.10/32 [1/0] via 192.168.0.2, r1-eth0, weight 1, XX:XX:XX
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S>* 4.5.6.11/32 [1/0] via 192.168.0.2, r1-eth0, weight 1, XX:XX:XX
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S>* 4.5.6.12/32 [1/0] is directly connected, r1-eth0, weight 1, XX:XX:XX
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@ -27,8 +27,14 @@ ipv6 route 4:5::6:12/128 r1-eth0
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ip route 4.5.6.15/32 192.168.0.2 255
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ipv6 route 4:5::6:15/128 fc00:0:0:0::2 255
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# Routes to put into a nexthop-group
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ip route 1.1.1.1/32 r1-eth0
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ip route 1.1.1.2/32 r1-eth1
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ip route 1.1.1.1/32 r1-eth1
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ip route 1.1.1.2/32 r1-eth2
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ip route 1.1.1.3/32 r1-eth3
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ip route 1.1.1.4/32 r1-eth4
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ip route 1.1.1.5/32 r1-eth5
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ip route 1.1.1.6/32 r1-eth6
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ip route 1.1.1.7/32 r1-eth7
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ip route 1.1.1.8/32 r1-eth8
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# Create a route that has overlapping distance
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# so we have backups
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@ -347,6 +347,35 @@ def test_converge_protocols():
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# For debugging after starting FRR/Quagga daemons, uncomment the next line
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## CLI(net)
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def route_get_nhg_id(route_str):
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output = net["r1"].cmd('vtysh -c "show ip route %s nexthop-group"' % route_str)
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match = re.search(r"Nexthop Group ID: (\d+)", output)
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assert match is not None, "Nexthop Group ID not found for sharpd route %s" % route_str
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nhg_id = int(match.group(1))
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return nhg_id
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def verify_nexthop_group(nhg_id, recursive=False):
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# Verify NHG is valid/installed
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output = net["r1"].cmd('vtysh -c "show nexthop-group rib %d"' % nhg_id)
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match = re.search(r"Valid", output)
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assert match is not None, "Nexthop Group ID=%d not marked Valid" % nhg_id
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# If recursive, we need to look at its resolved group
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if recursive:
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match = re.search(r"Depends: \((\d+)\)", output)
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resolved_id = int(match.group(1))
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verify_nexthop_group(resolved_id, False)
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else:
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match = re.search(r"Installed", output)
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assert match is not None, "Nexthop Group ID=%d not marked Installed" % nhg_id
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def verify_route_nexthop_group(route_str, recursive=False):
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# Verify route and that zebra created NHGs for and they are valid/installed
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nhg_id = route_get_nhg_id(route_str)
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verify_nexthop_group(nhg_id, recursive)
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def test_nexthop_groups():
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global fatal_error
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global net
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@ -358,25 +387,77 @@ def test_nexthop_groups():
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print("\n\n** Verifying Nexthop Groups")
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print("******************************************\n")
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### Nexthop Group Tests
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## Basic test
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# Create a lib nexthop-group
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group red" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2"')
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group basic" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2"')
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# Create with sharpd using nexthop-group
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net["r1"].cmd('vtysh -c "sharp install routes 2.2.2.1 nexthop-group red 1"')
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net["r1"].cmd('vtysh -c "sharp install routes 2.2.2.1 nexthop-group basic 1"')
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# Verify route and that zebra created NHGs for and they are valid/installed
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output = net["r1"].cmd('vtysh -c "show ip route 2.2.2.1/32 nexthop-group"')
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match = re.search(r"Nexthop Group ID: (\d+)", output);
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assert match is not None, "Nexthop Group ID not found for sharpd route 2.2.2.1/32"
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verify_route_nexthop_group("2.2.2.1/32")
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nhe_id = int(match.group(1))
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## Connected
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output = net["r1"].cmd('vtysh -c "show nexthop-group rib %d"' % nhe_id)
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match = re.search(r"Valid", output)
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assert match is not None, "Nexthop Group ID=%d not marked Valid" % nhe_id
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group connected" -c "nexthop r1-eth1" -c "nexthop r1-eth2"')
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match = re.search(r"Installed", output)
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assert match is not None, "Nexthop Group ID=%d not marked Installed" % nhe_id
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net["r1"].cmd('vtysh -c "sharp install routes 2.2.2.2 nexthop-group connected 1"')
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verify_route_nexthop_group("2.2.2.2/32")
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## Recursive
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group basic-recursive" -c "nexthop 2.2.2.1"')
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net["r1"].cmd('vtysh -c "sharp install routes 3.3.3.1 nexthop-group basic-recursive 1"')
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verify_route_nexthop_group("3.3.3.1/32", True)
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## Duplicate
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group duplicate" -c "nexthop 2.2.2.1" -c "nexthop 1.1.1.1"')
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net["r1"].cmd('vtysh -c "sharp install routes 3.3.3.2 nexthop-group duplicate 1"')
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verify_route_nexthop_group("3.3.3.2/32")
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## Two 4-Way ECMP
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group fourA" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2" \
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-c "nexthop 1.1.1.3" -c "nexthop 1.1.1.4"')
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net["r1"].cmd('vtysh -c "sharp install routes 4.4.4.1 nexthop-group fourA 1"')
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verify_route_nexthop_group("4.4.4.1/32")
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group fourB" -c "nexthop 1.1.1.5" -c "nexthop 1.1.1.6" \
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-c "nexthop 1.1.1.7" -c "nexthop 1.1.1.8"')
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net["r1"].cmd('vtysh -c "sharp install routes 4.4.4.2 nexthop-group fourB 1"')
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verify_route_nexthop_group("4.4.4.2/32")
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## Recursive to 8-Way ECMP
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group eight-recursive" -c "nexthop 4.4.4.1" -c "nexthop 4.4.4.2"')
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net["r1"].cmd('vtysh -c "sharp install routes 5.5.5.1 nexthop-group eight-recursive 1"')
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verify_route_nexthop_group("5.5.5.1/32")
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##CLI(net)
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## Remove all NHG routes
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net["r1"].cmd('vtysh -c "sharp remove routes 2.2.2.1 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 2.2.2.2 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 3.3.3.1 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 3.3.3.2 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 4.4.4.1 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 4.4.4.2 1"')
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net["r1"].cmd('vtysh -c "sharp remove routes 5.5.5.1 1"')
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def test_rip_status():
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global fatal_error
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@ -924,6 +1005,82 @@ def test_route_map():
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assert failures == 0, "Show route-map command failed for router r%s:\n%s" % (i, diff)
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def test_nexthop_groups_with_route_maps():
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global fatal_error
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global net
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# Skip if previous fatal error condition is raised
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if (fatal_error != ""):
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pytest.skip(fatal_error)
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print("\n\n** Verifying Nexthop Groups With Route-Maps")
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print("******************************************\n")
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### Nexthop Group With Route-Map Tests
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# Create a lib nexthop-group
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net["r1"].cmd('vtysh -c "c t" -c "nexthop-group test" -c "nexthop 1.1.1.1" -c "nexthop 1.1.1.2"')
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## Route-Map Proto Source
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route_str = "2.2.2.1"
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src_str = "192.168.0.1"
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net["r1"].cmd('vtysh -c "c t" -c "route-map NH-SRC permit 111" -c "set src %s"' % src_str)
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net["r1"].cmd('vtysh -c "c t" -c "ip protocol sharp route-map NH-SRC"')
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net["r1"].cmd('vtysh -c "sharp install routes %s nexthop-group test 1"' % route_str)
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verify_route_nexthop_group("%s/32" % route_str)
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# Only a valid test on linux using nexthop objects
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if sys.platform.startswith("linux"):
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output = net["r1"].cmd('ip route show %s/32' % route_str)
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match = re.search(r"src %s" % src_str, output)
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assert match is not None, "Route %s/32 not installed with src %s" % (route_str, src_str)
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# Remove NHG routes and route-map
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net["r1"].cmd('vtysh -c "sharp remove routes %s 1"' % route_str)
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net["r1"].cmd('vtysh -c "c t" -c "no ip protocol sharp route-map NH-SRC"')
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net["r1"].cmd('vtysh -c "c t" -c "no route-map NH-SRC permit 111" -c "set src %s"' % src_str)
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net["r1"].cmd('vtysh -c "c t" -c "no route-map NH-SRC"')
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## Route-Map Deny/Permit with same nexthop group
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permit_route_str = "3.3.3.1"
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deny_route_str = "3.3.3.2"
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net["r1"].cmd('vtysh -c "c t" -c "ip prefix-list NOPE seq 5 permit %s/32"' % permit_route_str)
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net["r1"].cmd('vtysh -c "c t" -c "route-map NOPE permit 111" -c "match ip address prefix-list NOPE"')
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net["r1"].cmd('vtysh -c "c t" -c "route-map NOPE deny 222"')
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net["r1"].cmd('vtysh -c "c t" -c "ip protocol sharp route-map NOPE"')
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# This route should be permitted
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net["r1"].cmd('vtysh -c "sharp install routes %s nexthop-group test 1"' % permit_route_str)
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verify_route_nexthop_group("%s/32" % permit_route_str)
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# This route should be denied
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net["r1"].cmd('vtysh -c "sharp install routes %s nexthop-group test 1"' % deny_route_str)
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nhg_id = route_get_nhg_id(deny_route_str)
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output = net["r1"].cmd('vtysh -c "show nexthop-group rib %d"' % nhg_id)
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match = re.search(r"Valid", output)
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assert match is None, "Nexthop Group ID=%d should not be marked Valid" % nhg_id
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match = re.search(r"Installed", output)
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assert match is None, "Nexthop Group ID=%d should not be marked Installed" % nhg_id
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# Remove NHG routes and route-map
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net["r1"].cmd('vtysh -c "sharp remove routes %s 1"' % permit_route_str)
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net["r1"].cmd('vtysh -c "sharp remove routes %s 1"' % deny_route_str)
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net["r1"].cmd('vtysh -c "c t" -c "no ip protocol sharp route-map NOPE"')
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net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE permit 111"')
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net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE deny 222"')
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net["r1"].cmd('vtysh -c "c t" -c "no route-map NOPE"')
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net["r1"].cmd('vtysh -c "c t" -c "no ip prefix-list NOPE seq 5 permit %s/32"' % permit_route_str)
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def test_mpls_interfaces():
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global fatal_error
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global net
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