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#How to show mac address how to

Enter the esxcfg-vmknic -l command on the ESXi shell in order to find the MAC address of VMK interface from the host.

In this example, the MAC address of the VM (ciscolive-vm) is 0050:568f:63cc:

In the vCenter, find the MAC address of the VM you wish to trace.

#How to show mac address how to

This procedure describes how to trace MAC addresses at various network levels.

Tracing of MAC Addresses at Different Network Segments In the UCS, the host is installed on blade 1 in chassis 1. In the Nexus 1000V, the host is represented as Virtual Ethernet Module (VEM) # 5. In this example setup, the VM and VMK interfaces are on same host (IP address 172.16.18.236) and the same VLAN 18 (subnet 172.16.18.0/24). If your network is live, make sure that you understand the potential impact of any command. All of the devices used in this document started with a cleared (default) configuration. The information in this document was created from the devices in a specific lab environment. Cisco Unified Computing System B200 M3 Blade Server with Cisco Virtual Interface Card (VIC) 1240 (Palo) CNAvSphere 5.1 (ESXi and vCenter).Cisco Unified Computing System Version 2.1(1d).The information in this document is based on these software and hardware versions: Prerequisites RequirementsĬisco recommends that you have knowledge of these topics:

It is important to understand which uplink a VM or VMK interface uses for communication for both troubleshooting and design aspects. Cisco Unified Computing System (UCS) 6248 Fabric Interconnect (FI).This document describes how to trace MAC addresses of a virtual machine (VM) and VMkernel (VMK) interface at these network levels: