Removing RHEL6 Network Interface Memory

When dealing with RHEL6 and VMWare Templates, and specially if you are provisioning RHEL6 from templates – it is important to note that RHEL6 memorizes a Network Adapter’s MAC address in association with the ethX interface.

This is stored in /etc/udev/rules.d/70-persistent-net.rules  file.

If you are temporarily assigning a network interface to RHEL6, make sure to delete the file above before you convert your VM to Template, so that the next Network Adapter assigned to this OS starts at eth0.

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February 19, 2013
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