[c-nsp] igmp snooping inside 802.1q trunks

[Vladimir Ivashchenko]

239.192.0.x

On Mon, 2006-01-30 at 13:40 -0800, Tim Stevenson wrote:
> What group(s) are you sending to?
> 
> Tim
> 
> At 01:28 PM 1/30/2006, Vladimir Ivashchenko murmered:
> > > > The problem is that 6500 seems to unconditionally forward all multicast
> > > > traffic to all trunk ports even if there are no receivers there. E.g.
> > > > "show mac-address-table multicast" does not show any entries for that
> > > > port, however it still receives all multicast traffic.
> > > >
> > > > Any ideas?
> > >
> > > The 6500 is going to forward multicast traffic to any routers it learns
> > > about.
> > > Does a "show multicast router" on the 6500 list all the trunk ports?
> >
> >I checked it (using IOS's sh ip igmp snooping mrouter), only one 
> >port there as expected.
> >
> >--
> >Best Regards
> >Vladimir Ivashchenko
> >Chief Technology Officer
> >Thunderworx, Cyprus - www.thunderworx.com
> >_______________________________________________
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> 
> 
> 
> Tim Stevenson, tstevens at cisco.com
> Routing & Switching CCIE #5561
> Technical Marketing Engineer, Catalyst 6500
> Cisco Systems, http://www.cisco.com
> IP Phone: 408-526-6759
> ********************************************************
> The contents of this message may be *Cisco Confidential*
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-- 
Best Regards,
Vladimir Ivashchenko
Chief Technology Officer
Thunderworx Cyprus - www.thunderworx.com