Merge pull request #17542 from opensourcerouting/fix/peer-group_remote_as_regression

bgpd: Fix remote-as with peer-group
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Russ White 2024-12-03 10:05:44 -05:00 committed by GitHub
commit e9c9db0122
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4 changed files with 43 additions and 1 deletions

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@ -2859,6 +2859,7 @@ struct peer_group *peer_group_get(struct bgp *bgp, const char *name)
group->conf->host = XSTRDUP(MTYPE_BGP_PEER_HOST, name);
group->conf->group = group;
group->conf->as = 0;
group->conf->as_type = AS_UNSPECIFIED;
group->conf->ttl = BGP_DEFAULT_TTL;
group->conf->gtsm_hops = BGP_GTSM_HOPS_DISABLED;
group->conf->v_routeadv = BGP_DEFAULT_EBGP_ROUTEADV;

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@ -5,6 +5,9 @@ interface r1-eth0
interface r1-eth1
ip address 192.168.251.1/30
!
interface r1-eth2
ip address 192.168.252.1/30
!
ip forwarding
!
router bgp 65001
@ -17,5 +20,9 @@ router bgp 65001
neighbor PG1 remote-as external
neighbor PG1 timers 3 20
neighbor PG1 graceful-restart-disable
neighbor PG2 peer-group
neighbor PG2 local-as 65554 no-prepend replace-as
neighbor 192.168.251.2 peer-group PG1
neighbor 192.168.252.2 remote-as 65004
neighbor 192.168.252.2 peer-group PG2
!

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@ -0,0 +1,7 @@
!
interface r4-eth0
ip address 192.168.252.2/30
!
router bgp 65004
neighbor 192.168.252.1 remote-as external
!

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@ -30,7 +30,7 @@ pytestmark = [pytest.mark.bgpd]
def build_topo(tgen):
for routern in range(1, 4):
for routern in range(1, 5):
tgen.add_router("r{}".format(routern))
switch = tgen.add_switch("s1")
@ -42,6 +42,10 @@ def build_topo(tgen):
switch.add_link(tgen.gears["r1"])
switch.add_link(tgen.gears["r2"])
switch = tgen.add_switch("s3")
switch.add_link(tgen.gears["r1"])
switch.add_link(tgen.gears["r4"])
def setup_module(mod):
tgen = Topogen(build_topo, mod.__name__)
@ -84,6 +88,11 @@ def test_bgp_peer_group():
"bgpState": "Established",
"neighborCapabilities": {"gracefulRestart": "received"},
},
"192.168.252.2": {
"peerGroup": "PG2",
"bgpState": "Established",
"neighborCapabilities": {"gracefulRestart": "advertisedAndReceived"},
},
}
return topotest.json_cmp(output, expected)
@ -110,6 +119,24 @@ def test_bgp_peer_group():
assert result is None, "Failed checking advertised routes from r3"
def test_show_running_remote_as_peer_group():
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
output = (
tgen.gears["r1"]
.cmd(
'vtysh -c "show running bgpd" | grep "^ neighbor 192.168.252.2 remote-as 65004"'
)
.rstrip()
)
assert (
output == " neighbor 192.168.252.2 remote-as 65004"
), "192.168.252.2 remote-as is flushed"
def test_bgp_peer_group_remote_as_del_readd():
tgen = get_topogen()