VRF Changes Everything

We recently deployed VRF groups on our core switches and there are a few key changes to troubleshooting/configuration.
Ping:
Standard way: ping 192.168.1.1
w/ VRFs: ping vrf NAME 192.168.1.1 (where NAME is the name of the vrf group)

Traceroute
Standard way: traceroute 192.168.1.1
w/ VRFs: traceroute 192.168.1.1 /vrf NAME

If you are trying to make a connection to a destination that resides in a VRF from the core switches you will most likely have to include some sort of VRF tagging.  This even applies to services like RADIUS, NTP, DHCP Relay, and TACACS.

Networking switch Cisco