Re: [libvirt] Multpile network interfaces have same MAC address

On Tue, Feb 24, 2009 at 01:29:41PM -0800, David Mueller wrote: > I remember seeing this problem before, but I can't remember what the > resolution was, nor can I find a discussion of the issue in > the list archives or Bugzilla. > > I've had my setup working for a while now, on both Fedora 8 and Fedora 10. > Now I'm trying to get it to work with CentOS 5 and > running into an old bug. My guest VM has multiple virtual network > interfaces, with the MAC address defined in the XML file used to > define the VM. However, I'm seeing each network interface getting the > same MAC addrss (the last one defined in the XML file) on > all if the interfaces when I run ifconfig in the guest. > > Was there a workaround for this, or do I need to upgrade libvirt? CentOS > 5.2 is what I'm working with; they haven't released 5.3 > yet so I don't know if that will have a newer version. Last time I saw this was with QEMU and the rtl8139 nic, where there was a bug setting up the MMIO space, so all NICs were reading their mac from the first NIC's region instead of their own.