RE: CGMP or IGMP

From: Jonathan V Hays (jhays@jtan.com)
Date: Wed Apr 16 2003 - 11:53:01 GMT-3


> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Charles Church
> Sent: Wednesday, April 16, 2003 8:13 AM
> To: Richard Davidson; groupstudy
> Subject: RE: CGMP or IGMP
>
>
> Rich,
>
> I don't think the 3550s support CGMP natively, only in
> a compatibility-mode when another CGMP switch is around.
> IGMP is what Cisco is leaning towards, but it doesn't hurt to
> know both. There are many CatOS switches out there that only do CGMP.
>
> Chuck Church
> CCIE #8776, MCNE, MCSE
> Wam!Net Government Services
> 13665 Dulles Technology Dr. Ste 250
> Herndon, VA 20171
> Office: 703-480-2569
> Cell: 585-233-2706
> cchurch@wamnet.com
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On
> Behalf Of Richard Davidson
> Sent: Tuesday, April 15, 2003 10:00 PM
> To: groupstudy
> Subject: CGMP or IGMP
>
>
> Out of CGMP and IGMP, does anyone know which one is
> More likley to be tested?
> Rich
>

From the 3550 config guide:

http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12113ea1/3550s
cg/swmcast.htm#1022981

Understanding CGMP

This software release provides CGMP-server support on your multilayer
switches; no client-side functionality is provided. The multilayer
switch serves as a CGMP server for devices that do not support IGMP
snooping but have CGMP-client functionality.



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