You know, just as this thread popped up on this list, we were dealing with a multicast related issue... On an MX if you statically map a unicast IP address to a multicast mac address, you have to specify a single l2 interface to forward that traffic out of. It essentially defeats the whole purpose of creating the mapping in the first place.
So I thought, what if we connect to ports on the same box together? This worked. Essentially you create a logical interface on one end of the cable and you move your layer 3 config to it for that particular VLAN, then the other end of the cable is just a trunk port. This might resolve your issue. ________________________________ From: Chris Evans <chrisccnpsp...@gmail.com> To: Derick Winkworth <dwinkwo...@att.net> Cc: juniper-nsp@puck.nether.net Sent: Tue, August 31, 2010 11:45:58 AM Subject: Re: [j-nsp] 10.3 on MX960 with MPC only? Agreed if they offering the mx as an Ethernet switch this should be supported. Nag your account team. I had them put in an enhancement request but who knows if they are listening. > "Its not supported" is the wrong phrase. "Its broken" is more appropriate. >Whatever design choices that were made in the past that led to this, as you >said, "mind-blowing" caveat, Juniper needs to go backwards and fix it. > > On Tue Aug 31st, 2010 8:01 AM CDT Chris Evans wrote: > >>Try configuring an irb, igmp, igmp-snooping and a trunk port on 10.x code. >>It will tell you its not supported. It's never been supported per JTAC. >>Also as per jtacs comment they put that statement in newer code as they >>didn't know it wasnt supported before. I asked jtac to update the >>documentation. >> > Is this in documentation somewhere? I just did a quick pass through the >>IGMP >>> snooping docs and I did not see it stated anywhere in there... maybe I >>missed >>> it. >>> >>> >>> >>> >>> >>> ________________________________ >>> From: Derick Winkworth <dwinkwo...@att.net> >>> To: Chris Evans <chrisccnpsp...@gmail.com>; Gavin Tweedie <g...@narx.net> >>> Cc: juniper-nsp@puck.nether.net >>> Sent: Tue, August 31, 2010 7:13:37 AM >>> Subject: Re: [j-nsp] 10.3 on MX960 with MPC only? >>> >>> ########### >>> I'm not even going to mention that >>> >>> IGMP-Snooping isn't support on trunk interfaces which blows my mind. >>> ############ >>> >>> >>> wow! >>> _______________________________________________ >>> juniper-nsp mailing list juniper-nsp@puck.nether.net >>> https://puck.nether.net/mailman/listinfo/juniper-nsp >>> _______________________________________________ >>> juniper-nsp mailing list juniper-nsp@puck.nether.net >>> https://puck.nether.net/mailman/listinfo/juniper-nsp > _______________________________________________ juniper-nsp mailing list juniper-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/juniper-nsp