On Sat, 27 Sep 2003, Alexey V. Yurchenko wrote: > On Fri, 26 Sep 2003 12:03:45 -0700 > Stephen Hemminger <shemminger@osdl.org> wrote: > > > > > Not interface should have a multicast MAC address. A multicast address > > should only exist as a destination address, never a source. > > Well, that's in theory. In practice I need several computers connected > to a switch to share a single interface and look to the rest of LAN as a > single node. All those computers must receive all packets desitned to > that interface. Using non-multicast MAC confuses many switches. This likely breaks with IGMP snooping switches, btw. > Any suggestions? (Except not using a switch ;)) > > PS isn't this approach (forbidding certain addresses) a tad > Microsoftish? Like saving users from themselves? The rules are there to prevent users from shooting themselves in the foot, or the users thinking using multicast MAC address as source is a right way to solve a problem. But Linux is Free Software and Open Source. You can change these things if you really want. -- Pekka Savola "You each name yourselves king, yet the Netcore Oy kingdom bleeds." Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
