[c-nsp] Intra-device routing between VRFs

[adamv0025 at netconsultings.com]

> From: cisco-nsp <cisco-nsp-bounces at puck.nether.net> On Behalf Of Bryan
> Sent: Friday, January 3, 2020 2:37 PM
> 
> 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.
> 
I think what you're looking for is:
vrf PEERING address-family ipv4 unicast import from default-vrf route-policy
RP_V4_STUFF_FROM_DEFAULT_TO_PEERING_VRF [advertise-as-vpn]
vrf PEERING address-family ipv4 unicast export to default-vrf route-policy
RP_V4_STUFF_FROM_PEERING_TO_DEFAULT_VRF

adam