Re: Filter Multicast Traffic on VLAN

Just write an ACL to block 224.0.1.39

On Jul 29, 2010, at 9:36 AM, Maarten Vervoorn wrote:

> Hi group,
>
> I was labbing up some multicast stuff. I just received a question to filter
> multicast traffi of a specific group on a VLAN
>
> Lab setup
> SW1
> |
> ----------------------------vl100
> | |
> R4--SW2 SW3
> | |
> R5 R6
>
> SW1, SW2 and SW3 are connected using a SVI interface VLAN 100
> I use auto rp
> SW1 = mapping agent
> SW2 = RP for 232.5.5.5 and 232.55.55.55
> SW3 = RP for 232.6.6.6
> Loopback of SW1 has joined all the multicast groups above
> R4 has joined multicast group 232.55.55.55
>
> I want to filter out the 232.55.55.55 traffic on vlan 100 so SW1 does not
> reply to the traffice and R4 does reply to that traffic
> I tried igmp filters, but those are only availeble on access ports
> I triend igmp access-group on all the vlan 100 SVI interface, but SW1 still
> replies
>
> What are my options to filter multicast traffic on a VLAN?
>
> Thanks,
>
> Kind regards,
>
> Maarten Vervoorn
>
>
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Received on Thu Jul 29 2010 - 09:39:19 ART