On Tue, 2010-10-12 at 21:07 +0200, Gert Doering wrote: > On Tue, Oct 12, 2010 at 07:45:10PM +0200, Peter Rathlev wrote: > > but I don't see why routed multicast traffic would need to have the > > L2 group bit set. > > Well, if you only ever have two routers in a subnet, it doesn't need > to... > > But what if you have 20 routers in a subnet and want the multicast > traffic to be heard by only those 5 that are interested in it?
Ah, of course. Does the switch (e.g. some Catalyst 2k/3k) just learn many mrouter ports and forward correctly? Or would one need to add some specific configuration for that? (Sorry for veering a little OT here.) -- Peter _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
