Rick Jones <[EMAIL PROTECTED]> writes: > Eric W. Biederman wrote: >> Duplicate mac addresses across interfaces on the same machine >> should generally be a don't care. Although there may some >> cases we don't mind. > > What might the switches think of that? Outside of the context of a > link-aggregate I would think that could do some unhappy things when multiple > interfaces are connected to the same broadcast domain. > > That the "all interfaces have one MAC" default behaviour on SPARC systems > often > ran into troubles is probably cautionary here.
Sure we don't want to duplicate mac addresses globally by default. The case that is always wrong is duplicate mac addresses going in and out the same interface, and skimming through the code it looks like we already have the data structures necessary to prevent duplicate use of unicast mac addresses already. Eric - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html