[j-nsp] next hop behavior within between VRFs

OBrien, Will ObrienH at missouri.edu
Sat Feb 4 20:11:13 EST 2012


Have you verified connectivity across the lt?

Will O'Brien

On Feb 4, 2012, at 2:21 PM, "Amos Rosenboim" <amos at oasis-tech.net> wrote:

> Hi All,
> 
> I have a router with two VRFs.
> I need to apply FBF on traffic flowing between the two VRFs so I created a logical tunnel that connects the two VRFs.
> The problem is that when importing routes from one VRF to the other the next hop is obviously not through the tunnel.
> I am trying to apply an import map that will change the next-hop of imported routes to the tunnel interface, but it doesn't work (traffic still bypasses the tunnel).
> 
> I can obviously skip the VRF import method and simply run BGP over the tunnels but I would like to avoid this as it forces me to use route refection (the routes I need to announce are learnt via iBGP) and so on.
> Any ideas how to achieve the goal of sharing routes between the VRFs but controlling the next hop in each VRF differently ?
> 
> Regards
> 
> Amos
> 
> 
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