In RHEV, is it possible to create virtual NICs with duplicate MAC address?

Solution Verified - Updated -

Environment

Red Hat Enterprise Virtualization 3.1

Issue

  • In RHEV, while adding new virtual NIC with duplicate MAC address, it fails with the following error message.
Error:
MAC Address is already in use.
  • Is it possible to create virtual NICs with duplicate MAC address?

Resolution

Use the following steps to allow duplicate MAC addresses in RHEV.

# rhevm-config -s AllowDuplicateMacAddresses=true
# service ovirt-engine restart

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1 Comments

Hello

This is a good point., but how can we proceed to remove the mac information from RHEV 3.x ?!

In my case, I'm trying to define a mac address in a new machine but the have keep the mac information. The same mac was used in another machine removed 2 weeks ago.

What do you recommend ?!, enable this option or remove from the "ghost" machine !?

Thanks
Waldirio