Re: Filter Multicast Traffic on VLAN

> That will break auto rp. My multicast network still needs to work. SW1
> loopback need to reply to the other groups. Only not to group 232.55.55.55
>
> 2010/7/29 Adrian Brayton <abrayton_at_gmail.com>
>
> 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 - 16:08:53 ART