2010/5/20 Kenni Lund <[email protected]>: > 2010/5/20 Dennis J. <[email protected]>: >> On 05/20/2010 12:05 PM, Kenni Lund wrote: >>> Hello >>> >>> I just bought a new hosted server in a data center, which I'm going to >>> run a few virtual machines on with libvirt/KVM. >>> >>> The server have 4 public IP addresses, but due to the data center, >>> bridges are not an option. >> >> Why exactly is that? I don't see what one has to do with the other? > > I'm actually not exactly sure, but I think it is because a bridge > needs to have a valid MAC-address? And the datacenter doesn't allow > (eg. they block) data from unknown sources/MAC addresses. That said, I > haven't tested it, but their documentation mentions the use of a > routed network in virtual environments, as bridges will not work.
Or perhaps it's even more simple; The host and the additional addresses are not on the same subnet, eg. a bridge working at the datalink layer is unaware of the procedures performed on the upper level protocols, like IP addressing, while a router takes care of this. Best Regards Kenni _______________________________________________ virt mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/virt
