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

[Gert Doering]

Hi,

On Wed, Oct 13, 2010 at 08:18:47AM +0100, Phil Mayers wrote:
> On 10/12/2010 09:46 PM, Gert Doering wrote:
> >On Tue, Oct 12, 2010 at 02:59:28PM -0500, Christopher.Marget at usc-bt.com 
> >wrote:
> >>The switch listens to the following messages in order to detect router 
> >>ports with IGMP snooping:
> >>· IGMP Membership query send to 01?00?5e?00?00?01
> >>· PIMv1 hello send to 01?00?5e?00?00?02
> >>· PIMv2 hello send to 01?00?5e?00?00?0d
> >>· DVMRP probes send to 01?00?5e?00?04
> >>· MOSPF message send to 01?00?5e?00?05 or 06
> >
> >Thanks for clarifying this.  Indeed, with this information, IGMP snooping
> >should never be harmful for router-switch-router traffic.
> 
> That is not my experience.

Can you share details?

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
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 305 bytes
Desc: not available
URL: <https://puck.nether.net/pipermail/cisco-nsp/attachments/20101013/8e26554b/attachment.bin>