From: Scott Morris (swm@emanon.com)
Date: Sun Dec 28 2003 - 01:44:45 GMT-3
The RFC allows for the ability to set a priority to the RP candidates.
Cisco, on the other hand, much prefers that you use Auto-RP and not BSR
(my opinion, and little things in various configuration guides on CCO).
If priority is missing, it's all equal (1) and therefore the RP is
chosen on the highest IP address. You may also have different RP's for
different groups through the group-list parameter.
Scott Morris, CCIE4 (R&S/ISP-Dial/Security/Service Provider) #4713,
CISSP, JNCIS, et al.
IPExpert CCIE Program Manager
IPExpert Sr. Technical Instructor
swm@emanon.com/smorris@ipexpert.net
http://www.ipexpert.net
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Soup Shi
Sent: Saturday, December 27, 2003 11:33 PM
To: ccielab@groupstudy.com
Subject: BSR C-RP priority
Hi, group,
Just reviewing multicast by reading TCP/IP vol.2 for another time.
However, everytime I read it, I found I was so careless that I missed so
much.
I found a new problem this time. On page 490, it says the router would
pick
the RP for a group by comparing the C-RP priority in the RP-set. But
there is no RP priority option at all in the ip pim rp-candidate
command!
Is that a version update? But how to prefer to some specific candidate
RP if
there is no priority set? Just by the highest ip address? Thanks a lot.
Soup
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