From: Eric Dobyns (eric_dobyns@yahoo.com)
Date: Wed Jul 04 2007 - 16:58:45 ART
So if you want one to be primary, you make sure it's source interface has a
higher IP address than the backup? (assuming they are advertising the same
prefixes)
-----Original Message-----
From: Mike Kraus (mikraus) [mailto:mikraus@cisco.com]
Sent: Wednesday, July 04, 2007 12:52 PM
To: Eric Dobyns; ccielab@groupstudy.com
Subject: RE: Primary and backup RP in Multicast
For RP conflict resolution, longest-match prefix is used, if a tie then
highest IP address. For mapping agents, highest IP address is speaker.
So, if you have any RP-announce-filters or anything, you'll want to make
sure they are the same on all mapping agents.
See 3.2 from:
ftp://ftpeng.cisco.com/ipmulticast/specs/pim-autorp-spec01.txt
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Eric Dobyns
Sent: Wednesday, July 04, 2007 2:24 PM
To: ccielab@groupstudy.com
Subject: Primary and backup RP in Multicast
Multicast question I can't find an answer to.
Let's say you have sparse-dense mode turned on and you configure two
auto-rp's. How do you make one preferred over another
(primary/secondary)?
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