Hi Edd, I also found this youtube clip which was very useful as well.. hope this helps: https://www.youtube.com/watch?v=w3bLEI6dUIo ... View more

So the MS390 can ping through the Nexus and get to devices on the other side of it?   I'm guessing the interfaces for the Nexus and the MX390 are not in the same VLAN.  Other guesses are that you are pinging from the wrong VRF on the Nexus. ... View more