Re: IGMPv3 EXCLUDE filter Source problem

section 6.3 of RFC 3376, "IGMPv3 Source-Specific Forwarding Rules", outlines
the forwarding suggestions the IGMP module should make to the multicast
router. in the case of EXCLUDE group record with source records, the table
reads:

      Group
      Filter-Mode    Source Timer Value    Action
      -----------    ------------------    ------

      EXCLUDE        TIMER > 0             Suggest to forward traffic
                                           from source

      EXCLUDE        TIMER == 0            Suggest to not forward
                                           traffic from source
                                           (DO NOT remove record)

On 6/5/07, John Zwiebel <[email protected]> wrote:
>
> You might have more luck if you talk to the cisco IOS folks.
>
> However, ask yourself how you would translate an EXCLUDE to a PIM
> join/prune message
> And qualify that by remembering that the emphasis for IGMPv3 deployment is
> for SSM.
>
> Then consider implementation vs the protocol.
>
> Finally, think about a real world scenario where you'd want to receive
> everything except a specific source.
>
> If you really have a case where this is required, then you might want to
> tell
> the IOS folks that their implementation isn't meeting your requirements.
>
> On Jun 5, 2007, at 10:28 AM, tech engr wrote:
>
> Hi,
>
> Can anyone help me with this ?
>
> Steven
>
> *tech engr <[email protected]>* wrote:
>
> Hi,
>
> I tried to use EXCLUDE - SOURCE option in our cisco 6400 with IOS ver 12.3.
> Using IXIA tester I sent EXCLUDE - SOURCE with ip 10.6.37.2 in multicast
> group 239.1.1.144.  I have the video server running behind the Cisco
> router on 10.6.37.2.  We expect the video should not be forwarded to IXIA
> from 10.6.37.2.  But, It is getting forwarded.
>
> Then, I looked into cisco igmp groups and it says EX group 239.1.1.144 and
> src 10.6.37.2. Cisco is adding multicast route for this group but, it is
> not excluding src 10.6.37.2 .  Have you folks ever used EX-SRC option?
> Can you please let me know if you guys ever able make this work?
>
> Thanks
> Steven
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