From: Bob Sinclair (bsinclair@netmasterclass.net)
Date: Fri Jun 25 2004 - 15:33:37 GMT-3
Cert,
If the requirement is that a particular router interface should not be
allowed to send traffic for particular groups, or, to put it another way,
that hosts attached to a particular interface should not be allowed to join
certain groups, then perhaps you should consider an igmp filter.
For example, deny 224.1.1.1 and permit all others:
(config)#access-list 1 deny 224.1.1.1 0.0.0.0
(config)#acccess-list 1 permit 224.0.0.0 15.255.255.255
(config-if)# ip igmp access-group 1
HTH,
Bob Sinclair
CCIE #10427, CISSP, MCSE
www.netmasterclass.net
----- Original Message -----
From: "Cert" <cert77@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Friday, June 25, 2004 1:25 PM
Subject: Help on multicast....
> Hello ,
> Can someone explain me how to prevent a host from joining to some
particular
> multicast group (let's say 238.255.255.255) on 3550 ?
>
> Thanks for your help.
> -Chandan.
>
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