[quagga-users 11248] Re: bgp question

Bret Clark bclark at spectraaccess.com
Fri Dec 11 14:37:23 GMT 2009


Well I know enough about BGP to be dangerous, but I was always under the 
impression that in an IBGP network, all IBGP routers needed to peer with 
all other IBGP routers, so R3 needs to have a peering session with R1.

Stephan von Krawczynski wrote:
> Hi all,
>
> I ran into a problem lately that is possibly caused by too little sleep ;-)
> Setup:
>
> <r1> - <some router> - <r2> - <r3> - <the world>
>
> r1,r2,r3 are all part of AS 1, all quagga, all with bgpd
> <some router> is a simple box with static routes (a ebgp-multihop setup).
>
> r1 tries to announce a network 192.168.1.0/24 to r2 which should again
> announce it to r3 and r3 to <the world>.
> The problem arises at r2.
> If I add a
> 	network 192.168.1.0/24
> 	redistribute connected
> to r2's config then it announces the net to r3, but it does not enter the route
> in the kernels' routing table. So routing does not work.
> if I add a
> 	redistribute connected
> to r2's config then it does not announce the net to r3, but enters the route
> in the kernels' routing table. Routing does work, but <the world> does not
> know the net.
> All setup is quagga 0.99.12 btw.
> What did I miss here? I judged this to be a trivial setup, but ... ?
>
>   



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