Am 12.01.2013 12:01, schrieb Tim: > Allegedly, on or about 11 January 2013, Alan Cox sent: >> The MAC has to be *host* unique not port unique. Thus some old SPARC >> boxes have one Mac for all the ports. Many Ethernet bridges also do >> the same trick. > > I would have thought they'd need to be LAN unique, since the MAC is used > for communication between the right NICs on a LAN. How's that going to > work when they're not unique.
google for NIC bonding / teaming http://www.linuxhorizon.ro/bonding.html it IS unique for the LAN but not for the machine that is why failover can work as it works it would be only a problem if DIFFERENT MACHINES have he same MAC because it is used fro cummunication and so it would be random who get which packages but with bondig it does not matter on which NIC packets are coming in and going out because it is the target of bonding using more than one NIC and with round-robin you even use all the NICs at the same time and not only for failover
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