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tests: Check if the route over eBGP is preferred when eBGP-OAD is used

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If at least one of the candidate routes was received via EBGP, remove from
consideration all routes that were received via EBGP-OAD and IBGP.

Signed-off-by: Donatas Abraitis <donatas@opensourcerouting.org>
This commit is contained in:
Donatas Abraitis 2024-01-11 10:34:05 +02:00
parent 584b031a4d
commit 1c491dfbe6
6 changed files with 64 additions and 7 deletions
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10
tests/topotests/bgp_oad/r1/frr.conf
View File

@ -8,4 +8,14 @@ router bgp 65001
neighbor 192.168.1.2 timers 1 3
neighbor 192.168.1.2 timers connect 1
neighbor 192.168.1.2 oad
neighbor 192.168.1.4 remote-as external
neighbor 192.168.1.4 timers 1 3
neighbor 192.168.1.4 timers connect 1
address-family ipv4 unicast
neighbor 192.168.1.4 route-map r4 in
exit-address-family
!
route-map r4 permit 10
set local-preference 123
set metric 123
exit

8
tests/topotests/bgp_oad/r2/frr.conf
View File

@ -11,8 +11,8 @@ router bgp 65002
neighbor 192.168.1.1 timers 1 3
neighbor 192.168.1.1 timers connect 1
neighbor 192.168.1.1 oad
neighbor 192.168.2.1 remote-as external
neighbor 192.168.2.1 timers 1 3
neighbor 192.168.2.1 timers connect 1
neighbor 192.168.2.1 oad
neighbor 192.168.2.3 remote-as external
neighbor 192.168.2.3 timers 1 3
neighbor 192.168.2.3 timers connect 1
neighbor 192.168.2.3 oad
!

2
tests/topotests/bgp_oad/r3/frr.conf
View File

@ -3,7 +3,7 @@ int lo
ip address 10.10.10.10/32
!
int r3-eth0
ip address 192.168.2.1/24
ip address 192.168.2.3/24
!
router bgp 65003
no bgp ebgp-requires-policy

16
tests/topotests/bgp_oad/r4/frr.conf Normal file
View File

@ -0,0 +1,16 @@
!
int r4-eth0
ip address 192.168.1.4/24
!
int r4-eth1
ip address 192.168.4.4/24
!
router bgp 65004
no bgp ebgp-requires-policy
neighbor 192.168.1.1 remote-as external
neighbor 192.168.1.1 timers 1 3
neighbor 192.168.1.1 timers connect 1
neighbor 192.168.4.5 remote-as external
neighbor 192.168.4.5 timers 1 3
neighbor 192.168.4.5 timers connect 1
!

17
tests/topotests/bgp_oad/r5/frr.conf Normal file
View File

@ -0,0 +1,17 @@
!
int lo
ip address 10.10.10.10/32
!
int r5-eth0
ip address 192.168.4.5/24
!
router bgp 65005
no bgp ebgp-requires-policy
neighbor 192.168.4.4 remote-as external
neighbor 192.168.4.4 timers 1 3
neighbor 192.168.4.4 timers connect 1
!
address-family ipv4 unicast
redistribute connected
exit-address-family
!

18
tests/topotests/bgp_oad/test_bgp_oad.py
View File

@ -31,7 +31,7 @@ pytestmark = [pytest.mark.bgpd]
def setup_module(mod):
topodef = {"s1": ("r1", "r2"), "s2": ("r2", "r3")}
topodef = {"s1": ("r1", "r2", "r4"), "s2": ("r2", "r3"), "s3": ("r4", "r5")}
tgen = Topogen(topodef, mod.__name__)
tgen.start_topology()
@ -64,7 +64,21 @@ def test_bgp_dynamic_capability_role():
"aspath": {"string": "65002 65003"},
"metric": 123,
"locPrf": 123,
}
"peer": {
"hostname": "r2",
"type": "external (oad)",
},
},
{
"aspath": {"string": "65004 65005"},
"metric": 123,
"locPrf": 123,
"bestpath": {"selectionReason": "Peer Type"},
"peer": {
"hostname": "r4",
"type": "external",
},
},
]
}
return topotest.json_cmp(output, expected)