From: Jaroslaw Zak (jaroslawz@hotmail.com)
Date: Fri Nov 08 2002 - 13:52:40 GMT-3
You need to enable it on router's LAN interface, can remember if it's
enabled by default on the Catalyst (doesn't hurt to do it anyway, its just
one command). CGMP is not necessary to get your multicast connectivity
running, but it allows switch to tune itself smoothly into new group
members, reducing LAN traffic. I think you should use it for performance
purposes.
HTH
Jarek
>From: jim.phillipo@guardent.com
>Reply-To: jim.phillipo@guardent.com
>To: ccielab@groupstudy.com
>Subject: Multicast Question
>Date: Fri, 8 Nov 2002 11:02:59 -0500
>
>Is CGMP required on a router interface if it is connected to a Catalyst
>switch ?
>
>And does it need enabling on the switch ?
>
>I do not have it enabled and I am able to ping all four routers connected
>to
>the same switch
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