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4500-X BGP and SSO

a.auvinet
Beginner
Beginner

Hello,

It is somethink that I don't know very well...

- I have two  4500-x  configured in VSS mode

- The Vss is connected by tow link to my backbone

- I use eBGP between the VSS ans ME-3800-X1 and ME-3800X2.

4500X1-VSS <int A----------------------->ME-3800X1-AS65002----------Backbone---|

4500X2-VSS <intB----------------------->ME-3800X2-AS65002-----------Backbone --|net 10.160.254.59/29

When Int A /B are up > the fib is ok.

I can see 10.160.254.59/29 by ME-3800X1-AS65002 and ME-3800X2-AS65002.

When I put down the interface A, the route to 10.160.254.59/29 is to Int B, after the Hold time , it's 15s(keepalive 5s)

It's Ok for me.

But When I reload the 4500X2 by  "redundancy force-switchover", I lost all route.

All connection are reset.

My configuration in VSS :

sw-4500x-vss#sh run | sec bgp
router bgp 65002
bgp log-neighbor-changes
bgp graceful-restart restart-time 120
bgp graceful-restart stalepath-time 360
redistribute connected
redistribute static
neighbor 172.30.0.100 remote-as 65002
neighbor 172.30.0.100 update-source Loopback0
neighbor 172.30.0.100 next-hop-self
neighbor 172.30.0.101 remote-as 65002
neighbor 172.30.0.101 update-source Loopback0
neighbor 172.30.0.101 next-hop-self
default-information originate
!
address-family ipv4 vrf vrf_interric
redistribute connected
redistribute static
neighbor 10.160.254.36 remote-as 65002
neighbor 10.160.254.36 activate
neighbor 172.17.1.70 remote-as 65000
neighbor 172.17.1.70 timers 5 15
neighbor 172.17.1.70 ha-mode graceful-restart
neighbor 172.17.1.70 activate
neighbor 172.17.1.78 remote-as 65000
neighbor 172.17.1.78 timers 5 15
neighbor 172.17.1.78 ha-mode graceful-restart
neighbor 172.17.1.78 activate
default-information originate
exit-address-family
sw-4500x-vss#

Cdlt,

1 Reply 1

a.auvinet
Beginner
Beginner

After a switch over, the route come back after around 120 s.

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