我正在一些出站路由广告上设置 BGP MED 值,但无论如何我找不到检查我在 Cisco IOS XR 上的广告路由上的 MED,以验证我的配置是否正确(在这种特殊情况下,路由被发送到eBGP 对等体,我无法看到或询问他们如何接收路由):
prefix-set MED-0
1.1.1.1/30,
1.1.2.1/29
end-set
prefix-set MED-1000
2.2.2.1/29 le 32,
2.2.2.2/29 le 32
end-set
route-policy MED-OUT
if destination in MED-1000 then
set med 1000
pass
elseif destination in MED-0 then
pass
else
drop
endif
end-policy
router bgp 12345
vrf A-VRF
rd 12345:55555
address-family ipv4 unicast
neighbor 5.5.5.5
remote-as 55555
description External AS Peer
address-family ipv4 unicast
route-policy MY-IN-POLICY in
route-policy MED-OUT out
这是我没有告诉我 MED 的输出:
RP/0/RSP0/CPU0:router1#show bgp vrf A-VRF neighbor 5.5.5.5 advertised-routes
Wed Nov 12 22:59:38.982 UTC
Network Next Hop From AS Path
Route Distinguisher: 12345:55555 (default for vrf A-VRF)
1.1.1.1/30 5.5.5.6 10.0.0.5 i
1.1.2.1/29 5.5.5.6 10.0.0.5 i
2.2.2.1/30 5.5.5.6 10.0.0.5 i
2.2.2.2/29 5.5.5.6 10.0.0.5 i