We''ve recently created a number of virtual machines on a cluster of 8 servers. As I understand it, all the virtual machines have the same mac address on their interface. I would think this would be a problem. Question is, when cloning a server, should one change the virtual mac address, or is it okay for multiple virtual servers to have the same mac address? -- Until later, Geoffrey Those who would give up essential Liberty, to purchase a little temporary Safety, deserve neither Liberty nor Safety. - Benjamin Franklin _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users
Pim van Riezen
2008-Oct-06 20:57 UTC
Re: [Xen-users] mac addresses on different virtual machines
On Oct 6, 2008, at 22:54 , Geoffrey wrote:> Question is, when cloning a server, should one change the virtual > mac address, or is it okay for multiple virtual servers to have the > same mac address?If you intend them to run at the same time, yes that will be a problem. Easily solved by randomizing a mac address in its xen config when you clone it, though. If you intend one virtual machine to be the fallback for another one and they never run at the same time, having the same mac-address is harmless, but keeping it different may still make sense. Cheers, Pi _______________________________________________ Xen-users mailing list Xen-users@lists.xensource.com http://lists.xensource.com/xen-users