Thanks for all of the replies. I was able to get this fixed with some additional multicast filtering on the VLAN that I was missing in the firewall config on the switch. I found a good vendor document with listed some other ranges that I was missing.
-----Original Message----- From: Tima Maryin [mailto:timamar...@mail.ru] Sent: Saturday, January 14, 2012 1:18 PM To: Paulhamus, Jon Cc: 'juniper-nsp@puck.nether.net' Subject: Re: [j-nsp] IGMP-Snooping problem Hi, Does that system uses multicat ? If yes, this knob may be helpful^ http://www.juniper.net/techpubs/en_US/junos10.0/information-products/topic-collections/config-guide-multicast/multicast-router-interface-edit-bridge-domains.html On 13.01.2012 4:02, Paulhamus, Jon wrote: > Hi Group, > > I have an issue with IGMP snooping enabled on EX switches that it's blocking > IP phones from booting. The phone system is a 3Com NBX system. When > IGMP-snooping is enabled, the phones will never register with the NCP - > disabling on that VLAN solves the issue, but I need IGMP snooping on that > VLAN for other reasons. > > What I've tried to fix the issue is creating a firewall filter both on the > VLAN and all switch interfaces facing the phone system allowing the multicast > group to be processed by the RE, but this does not seem to be working for me. > > I've also created static IGMP groups and applied them on all interfaces / > uplinks toward the phone switch as well - this seems to help as the phones > will eventually boot after ~ 3 to 5 minutes. Phones with IGMP snooping > disabled on the VLAN boot in about 24 seconds. Packet captures are not > showing any other multicast groups, or even any other activity... if anyone > can provide any assistance I would certainly appreciate it. I have a cast > opened with advanced TAC now, but not getting anywhere. > > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp
