All things related to multicast

["Brian Haberman" <>]

Ken,
     I do not know of any switches that support IGMPv3 snooping.  There
is, however, work going on in the IETF to help get switch vendors on
the same page when it comes to IGMPv3 and snooping.  Take a look at
http://www.ietf.org/internet-drafts/draft-ietf-idmr-snoop-01.txt.

Regards,
Brian

ken lindahl wrote:
> 
> On Thu, 04 Oct 2001, John Zwiebel 
> <>
>  wrote:
> >I hope you all recognize that SSM deployment is going to greatly ease
> >your potential problems.
> 
> that's a great lead-in to a question i want to ask the list anyway.
> the original question was about switched vs shared segments, which
> i interpreted as igmp-snooping to "protect" non-participating hosts
> vs clobbering all hosts on a segment with multicast traffic that is
> unwanted by non-participants.
> 
> what is the current level of support for igmpv3 snooping in switches?
> 
> about 6 months ago, we here at berkeley issued an RFP for switches and
> one of the questions i asked was about igmpv3 snooping. most of the
> answers were "wazzat?" a few were "i'm sure our engineers are working
> on it, we'll get back to you with an answer." but the short of it then
> was that nobody supported v3 snooping. has that situation changed?
> 
> does anyone on this list know of switches that currently support igmp
> snooping that will work correctly with v3 and ssm?
> 
> thanks,
> ken