Re: [CentOS] Strange XEN on CentOS HWaddr Address Issue

Sergey Smirnov wrote on Tue, 4 Aug 2009 17:14:48 +0400:

This commonly happens when you using Xen in the bridged mode (when you reboot your system the first time, this is default Xen configuration). You have to change your configuration to routed mode if you want to prevent that in future.

No, I haven't ever seen that the physical MAC address got changed to FE- whatever by Xen. Anyway, there are other problems you can encounter. There was a thread either here or in centos-virt some time back about the other issues that can occur. Started by me. The solution for the other problems is to do your own bridging and disable the network-bridge script of Xen.

Kai