Thanks, guys. Regards, Jay McMickle- CCNP,CCSP,CCDP Sent from iJay
On Mar 1, 2012, at 3:43 PM, Corey Phipps <[email protected]> wrote: > You need a L3 interface running IGMP/PIM to be the IGMP querier on the > network. Otherwise there is no mechanism to manage who wants to join/leave. > > As an alternative you can turn off IGMP snooping on that VLAN and the > multicast will flood to all ports within the VLAN. If it spans more than 1 > switch you will need to disable IGMP snooping on all switches. > > 6500 have IGMP querier you can add on L3 interfaces wo PIM but don't think > 3560s do. > > Corey > > On Mar 1, 2012, at 5:15 PM, Ben Hughes <[email protected]> wrote: > >> So long as there is a router or some device with IGMP and PIM running >> connected to the VLAN you wouldn't need to have multicast-routing enabled on >> the switch. >> >> cheers, >> Ben. >> >> From: Jay McMickle <[email protected]<mailto:[email protected]>> >> Date: Thu, 1 Mar 2012 15:01:46 -0800 >> To: Ben Hughes <[email protected]<mailto:[email protected]>> >> Cc: marc abel <[email protected]<mailto:[email protected]>>, >> "[email protected]<mailto:[email protected]>" >> <[email protected]<mailto:[email protected]>> >> Subject: Re: [OSL | CCIE_RS] Intervlan multicast across switces >> >> Right, but even with sparse-mode multicast? This isn't standard multicast, >> but maybe I'm making it a larger issue than it is. >> >> Regards, >> Jay McMickle- CCNP,CCSP,CCDP >> Sent from iJay >> >> On Mar 1, 2012, at 2:58 PM, Ben Hughes >> <[email protected]<mailto:[email protected]>> wrote: >> >> Hi Jay, >> Yes, it will work fine without multicast-routing turned on. Otherwise we'd >> have to turn on multicast-routing when ever we run an IGP or HSRP etc. >> cheers, >> Ben. >> From: Jay McMickle >> <[email protected]<mailto:[email protected]><mailto:[email protected]>> >> Reply-To: Jay McMickle >> <[email protected]<mailto:[email protected]><mailto:[email protected]>> >> Date: Thu, 1 Mar 2012 14:53:23 -0800 >> To: Ben Hughes >> <[email protected]<mailto:[email protected]><mailto:[email protected]>>, >> marc abel >> <[email protected]<mailto:[email protected]><mailto:[email protected]>>, >> "[email protected]<mailto:[email protected]><mailto:[email protected]>" >> >> <[email protected]<mailto:[email protected]><mailto:[email protected]>> >> Subject: Re: [OSL | CCIE_RS] Intervlan multicast across switces >> I think the question is in regards to capabilities. >> Does multicast propogate across trunks without multi-cast routing >> distributed enabled? I don't know the answer, so I am also interested in >> the answer. >> Marc- is that the question? >> Regards, >> Jay McMickle- CCNP, CCSP, CCDP, MCSE >> http://mycciepursuit.wordpress.com/ >> Support me in the MS150 Challenge! >> http://main.nationalmssociety.org/site/TR/Bike/TXHBikeEvents?px=5886043&pg=personal&fr_id=17896 >> From: Ben Hughes >> <[email protected]<mailto:[email protected]><mailto:[email protected]>> >> To: marc abel >> <[email protected]<mailto:[email protected]><mailto:[email protected]>>; >> "[email protected]<mailto:[email protected]><mailto:[email protected]>" >> >> <[email protected]<mailto:[email protected]><mailto:[email protected]>> >> Sent: Thursday, March 1, 2012 4:07 PM >> Subject: Re: [OSL | CCIE_RS] Intervlan multicast across switces >> Hey Marc, >> Storm Control or VACL? I've also had a similar issue at a customer site >> before that turned out to be a faulty SFP on the link between switches. The >> faulty SFP would allow unicast and broadcast packets across but drop >> multicast. >> cheers, >> Ben. >> From: marc abel >> <[email protected]<mailto:[email protected]><mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>>> >> Date: Thu, 1 Mar 2012 10:58:20 -0600 >> To: >> <[email protected]<mailto:[email protected]><mailto:[email protected]><mailto:[email protected]<mailto:[email protected]>>> >> Subject: [OSL | CCIE_RS] Intervlan multicast across switces >> If IP multicast routing is not enabled, multicast should >> still propagate within the VLAN correct? Is there anything that would >> prevent this multicast from flowing across a trunk? I have a situation >> where servers in the same VLAN, but plugged into different switches are not >> able to communicate by multicast. Can anyone explain why this might be? >> Thank you, >> Marc >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> http://onlinestudylist.com/mailman/listinfo/ccie_rs >> >> _______________________________________________ >> For more information regarding industry leading CCIE Lab training, please >> visit www.ipexpert.com >> >> Are you a CCNP or CCIE and looking for a job? Check out >> www.PlatinumPlacement.com >> >> http://onlinestudylist.com/mailman/listinfo/ccie_rs _______________________________________________ For more information regarding industry leading CCIE Lab training, please visit www.ipexpert.com Are you a CCNP or CCIE and looking for a job? Check out www.PlatinumPlacement.com http://onlinestudylist.com/mailman/listinfo/ccie_rs
