From: Sheahan, John (John.Sheahan@priceline.com)
Date: Mon Dec 20 2004 - 14:39:45 GMT-3
I guess I don't understand why the switch needs to know..I thought the
router took care of IGMP joins etc..?
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Brian McGahan
Sent: Monday, December 20, 2004 11:28 AM
To: ben; ccielab@groupstudy.com
Subject: RE: When should use IGMP SNOOPING on 3550?
Ben,
IGMP snooping is used on layer 2 switchports to determine of a
client located on that port has joined a multicast group. This behavior
is enabled by default. To view what information is learned via snooping
issue the "show ip igmp snooping group" command.
HTH,
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> ben
> Sent: Sunday, December 19, 2004 9:46 PM
> To: ccielab@groupstudy.com
> Subject: When should use IGMP SNOOPING on 3550?
>
> In some Multicast cases, it's work that just enable the PIM on the
> according interface, and configure the appropriate multicast mode, in
> these cases, It doesn't to enable the IGMP snooping on the 3550
switch, So
> I am wondering when should use the IGMP snooping on the switch?
>
> Thanks
>
>
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