[c-nsp] Intra-device routing between VRFs

Scott Miller fordlove at gmail.com
Fri Jan 3 10:36:53 EST 2020

Have you tried adding peering rt rd to the default vrf, and vice versa?

On Fri, Jan 3, 2020, 7:37 AM Bryan Holloway <bryan at shout.net> wrote:

> I've been attempting to lab up an ASR9001 running 5.3.4 for a PoC
> scenario of routing between two internal VRFs: "default" and "peering".
> You can probably guess the use-case.
> While I've been successful in getting each VRF to talk to the things
> that particular VRF should talk to, getting the two VRFs to talk amongst
> themselves has been challenging.
> Installing specific static routes between the two VRFs works, but it
> doesn't scale.
> After turning the Google- and Cisco-cranks several times, I get the
> impression that yes: it's possible, and no: maybe not.
> I'm not necessarily looking for a HOWTO (although I'm not going to
> object to one) ... I'm more curious if anyone has made this work and if
> I'm barking up the right tree. At least one article I read suggests that
> I need later firmware to do what I want.
> In essence, I think the final piece is to get an IGP (or iBGP) up and
> running between the two VRFs so that when I bring up a new customer in
> "default", that things in "peering" can see said customer, and vice versa.
> Any input on-line or off- would be greatly appreciated. Thanks!!
>                 - bryan
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