[c-nsp] How to connect two VRFs on the same router? (without a loop-cable)

Christian MacNevin macnevin at google.com
Sat Jul 21 23:47:38 EDT 2007


Just leake route targets between them. If you want to do it only on
the local router, then
export all the routes you want into a new route target by adding the
extended community through a route map, then import that same route
target on the other side.

There's also some horrible vrf jumping into default routing table
stuff people have been doing which frankly doesn't bear thinking
about.



On 7/21/07, Gunther Stammwitz <gstammw at gmx.net> wrote:
> Hello colleagues,
>
> I've built two vrfs on the same router and have attached interfaces to them and
> everything is fine so far.
> Now I'd like to router from one vrf to the other one.
> The only way how this can be achieved seems to me to use two interfaces on the
> same router and to connect them with a cable. This might look rather stupid when
> there's a cable coming out of the router and going into it again.
>
> Isn't there a way how this can be achieved in software????
>
> Thanks,
> Gunther
>
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