[Xorp-users] Some Questions on XORP
Archimedes S. Gaviola
agaviola at infoweapons.com
Fri Mar 9 04:47:28 PST 2007
Pavlin,
I have encountered some documents that are useful for multicast source
filtering http://www.ietf.org/rfc/rfc4604.txt?number=4604 and
http://www.ietf.org/rfc/rfc3678.txt?number=3678. I do hope this could help.
Thanks.
Sincerely Yours,
Archimedes S. Gaviola
Network Engineer
InfoWeapons Corporation
-----Original Message-----
From: Pavlin Radoslavov [mailto:pavlin at icir.org]
Sent: Wednesday, March 07, 2007 3:31 AM
To: Adam Greenhalgh
Cc: Archimedes S. Gaviola; xorp-users at xorp.org
Subject: Re: [Xorp-users] Some Questions on XORP
> > 3. In PIM-SSM configuration, is there a way we can filter legitimate
> > sources to be allowed in joining a multicast group? Or filter lists
> > of legitimate hosts that wants to join a channel from querying IGMPv3
routers?
> >
No, currently it can't be done within XORP, but we should add support for
this. I just created a bugzilla entry so you can add yourself to the CC list
and get notified when it is implemented:
http://www.xorp.org/bugzilla/show_bug.cgi?id=695
Currently, the only mechanism that comes to mind is using firewall rules
(outside XORP) to allow (or block) the IGMPv3 Membership Report messages
from a specific set of hosts.
Note that such filtering can be applied only to IGMPv3/MLDv2, because in
IGMPv1,v2 and MLDv1 the hosts use Membership Report suppression.
Regards,
Pavlin
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