Trigger a Layer 2 traceroute, which acts like native traceroute. Enable Connectivity Fault Management (CFM) to debug Layer 2. It can also help you debug ARP problems by providing the ability to troubleshoot next hop ARP records.
l2 traceroute ip-address WORD<0-255>
l2 traceroute ip-address WORD<0-255> ttl-value <1-255>
l2 traceroute ip-address WORD<0-255> vrf WORD<1-16>
None
User EXEC
If you use this command on a DvR Leaf node, the output only shows DvR Controller IP addresses if the IP address or host route specified is unknown in the DvR domain.