On Sun, Mar 31, 2013 at 02:57:20AM -0300, Fernando Gont wrote: > > Totally random crazy idea: could there be firewalls on some of these > > machines that are causing multicast RAs to be filtered but unicast RAs > > are fine (e.g. a unicast RA reply to an RS)? > > Not sure if "firewalls", but I could think of swtiches that fail to do > MLD snoping and hence do not forward multicasted packets?
Switches not performing MLD will just flood multicast packets just like broadcast. I'm not sure that this is codified anywhere, but I certainly didn't see anything else yet. Best regards, Daniel -- CLUE-RIPE -- Jabber: d...@cluenet.de -- dr@IRCnet -- PGP: 0xA85C8AA0
