Re: [nsp] eBGP establishment

From: Sean Crocker (crockers@mail.trinicom.com)
Date: Thu Jun 20 2002 - 10:49:39 EDT


Clear the session a few times... the peer that always opens
the session is the one with the explicit route, right?

Sean

>Dear all,
>
>I have this network setup:
>
> Router A <-eth0-------eth0-> Router B
>
>and simplified config:
>
>--------------------
>! Router A
>interface loopback0
> ip address 192.168.0.1 255.255.255.255
>!
>interface ethernet0
> ip address 10.0.0.1 255.255.255.0
>!
>router bgp 65501
> neighbor 192.168.0.2 remote-as 65502
> neighbor 192.168.0.2 update-source loopback0
> neighbor 192.168.0.2 ebgp-multihop 2
>!
>ip route 0.0.0.0 0.0.0.0 10.0.0.2
>--------------------
>! Router B
>interface loopback0
> ip address 192.168.0.2 255.255.255.255
>!
>interface ethernet0
> ip address 10.0.0.2 255.255.255.0
>!
>router bgp 65502
> neighbor 192.168.0.1 remote-as 65501
> neighbor 192.168.0.1 update-source loopback0
> neighbor 192.168.0.1 ebgp-multihop 2
>!
>ip route 0.0.0.0 0.0.0.0 10.0.0.1
>--------------------
>
>BGP between 2 routers cannot be established. However, when I add a
>route of another router's loopback in either one router, it will be up.
>E.g.
>
>! Router A
>ip route 192.168.0.2 255.255.255.255 10.0.0.2
>
>Is it normal? (in the sense that I only need to add this route in 1
>router, not both.)
>
>Thanks.
>
>Regards,
>Chris
>
>



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