Connect to vCenter Server using the vSphere Client
Right-click the virtual machine and click Edit Settings.
Click Network adapter and note the MAC Address.
For example, you see a MAC Address similar to:
Power on the Linux virtual machine.
Open a console and log in as root.
Change directory to etc/sysconfig/network-scripts.
Edit ifcfg-eth0 and update the MAC address to reflect the MAC address in Step 1
Edit /etc/udev/rules.d/70-persistent-net.rules and update the MAC address to reflect the MAC address in Step 1
Activate the ethernet card by running this command: