Hi- I have a need to connect 2 VRFs across two 9508s. Switches are connected via a L3 connection and can't be converted to L2 trunk. I was thinking about using GRE where tunnel is member of the VRF and uses default vrf to set up the tunnel. This isn't support on nexus, tunnel can't be part of one vrf and use a different vrf to reach tunnel destination
if i use lo0 on switch1 as the source of the tunnel and lo0 on switch2 as the destination, those loopbacks are in default vrf...so tunnel comes up fine but i need the tunnel to a member of a non default VRF.. i can't use interface that are in the default vrf as source and destinations for a tunnel which is in a different VRF..
if i use an interface from the non default VRF as source or destination, those have no reachability to each other so tunnel doesn't come up