On Fri, Apr 13, 2007 at 09:26:56AM +0200, Sjoerd Oostdijck wrote: > -----Original message----- > From: Renaud Allard <[EMAIL PROTECTED]> > Sent: Fri > 04/13/07 09:11:47 > To: Renaud Allard <[EMAIL PROTECTED]>; > CC: > [EMAIL PROTECTED]; > Subject: Re: Bridge over gif on 4.1 > > > >It should be noted > that when I put an ip on each sis1 interface, they > >can ping each other > through the if tunnel. Only the arp packets from the > >lan don't seem to pass. > Is this a bug or am I missing something? > > > >[snip] > >> I changed > net.inet.ip.forwarding=1 and net.inet.etherip.allow=1 but it > >> did not help. > >> > >> Is something wrong with my configuration? > Hi Renaud, > > I think your > config looks alright, you just need to allow multicast packets to be forwarded > by setting: > net.inet.ip.mforwarding=1 >
No. Multicast forwarding is only needed if you are "routing" multicast packets. So unless you are running mrouted or dvmrpd on your system you most probably don't need it. Layer 2 bridging does not need it in any case as the broadcast domain is not split by a bridge. -- :wq Claudio