On Sat, Nov 29, 2014 at 09:41:45PM +0600, Victor Sudakov wrote: > We have set up port monitor sessions in various parts of the network > and have found out the following. One of the C3560X-24P in the chain > of identical switches does not let through packets with > src=10.65.127.246&dst=224.0.0.5. Neither when such packets transit the > switch nor when it's configured on one of it's own Vlan interfaces. > > Other switches in the chain are identical from the hardware/software > point of view, and configured almost identically, but do not suffer > from the problem.
Check for enabled IGMP snooping on this switch. Try disabling snooping. Wouldn't outrule broken hardware... Some bit flip error or so. Best regards, Daniel -- CLUE-RIPE -- Jabber: d...@cluenet.de -- dr@IRCnet -- PGP: 0xA85C8AA0 _______________________________________________ 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/