[c-nsp] problems filtering multicast]

[James Slepicka]

use the ip multicast boundary command: 
http://www.cisco.com/en/US/docs/ios/12_2/ipmulti/command/reference/1rfmult1.html#wp1058494

e.g.
ip access-l standard mcast_boundary_vl999
permit 224.9.9.9

int vl999
ip multicast boundary mcast_boundary_vl999

James

William wrote:
> Hi,
>
> I'm running multicast routing with sparse-dense-mode and I'd like to
> filter out some of the addresses, I've created a standard access list
> permitting the multicast addresses i want to be routed out and then a
> deny any at the end.
>
> I've applied it to the interface using the ip igmp access-group
> <ACLNAME> command but it doesn't seem to be affective, the end hosts
> are still receiving the multicast streams which i've attempted to
> filter out.
>
> The hardware is a 6500 (catos) with a sup2, the configuration looks
> like so on the first switch:
>
> interface vlan999
> ip address 192.168.99.254255.255.255.0
> ip pim sparse-dense-mode
> ip igmp access-group multicast
>
>
>  ip access-list standard multicast
>  permit 239.255.1.1
>  deny   any
>
> The end host is on a 3750, I tried applying the access-list and ip
> igmp access-group statement to the vlan interface where the end host
> is and the multicast traffic that I wish to be filtered is still
> coming over.
>
> Am I doing something terribly wrong here for it not to work?
>
> Thank you for your time.
>
> W
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