Tracing of MAC Addresses in UCS with Nexus 1000V
This document describes how to trace MAC addresses of a virtual machine (VM) and VMkernel (VMK) interface at these network levels:
Cisco Nexus 5000 Series Switches
Cisco Unified Computing System (UCS) 6248 Fabric Interconnect (FI)
VMware ESXi host
Cisco Nexus 1000V Switch
http://www.cisco.com/c/en/us/support/docs/servers-unified-computing/unified-computing-system/116277-maintain-mc-ucs-00.html