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.

About the author:

Vinnie Lima

Vinnie Lima is the Managing Director for VVL Systems & Consulting, a small business focusing on IT Optimization for Cloud, Infrastructure, and End Users. Based out of Baltimore, Maryland, Vinnie Lima has over 21 years in IT Automation, Orchestration, and Cloud. Mr. Lima’s career has been focusing on helping customers drive value from their IT investments through the use of leading edge technologies and approaches, driving innovation in a wide spectrum of industries such as DoD, Federal, Health Care, and Financial.

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