[j-nsp] next hop behavior within between VRFs

Stacy W. Smith stacy at acm.org
Sat Feb 4 16:28:09 EST 2012

Hi Amos,

I'm not sure I completely understand what you're trying to accomplish. Could you give us an example topology diagram?


On Feb 4, 2012, at 1:20 PM, Amos Rosenboim 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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