[c-nsp] Need help with setting up ip multicastrouting

[Gert Doering]

Hi,

*please* fix your quoting.  Your top posting makes it very hard to 
see what you're referring to, and since you want something, it would
be prudent to make it easy for us to help.

On Tue, Oct 12, 2010 at 02:34:35PM -0400, Steven Pfister wrote:
> It's not really going router-switch-router... The video encoders are 
> connected to the 2960, which connects to the 4506 at the remote side. 

In that case, IGMP snooping can help - it will stop the traffic in
that L2 segment from spreading to ports where you don't want it to
show up.  If IGMP snooping is off, the multicast traffic will be
flooded everywhere.

But however IGMP snooping is set, directly connected routers should see
the packets - in doubt, turn it *off*, and verify with a unrelated machine
that the senders are indeed sending multicast packets.

gert
-- 
USENET is *not* the non-clickable part of WWW!
                                                           //www.muc.de/~gert/
Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de
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