From: Scott Morris (swm@emanon.com)
Date: Fri Mar 12 2004 - 16:22:07 GMT-3
There are two pieces to the functionality of pim nbma-mode. The first is
the individual treatment of join/prune messages, which exactly goes along
with the logic you were looking at for placing this command on the hub.
The second piece though, has to do with how the multicasts are treated at
the interface level and how they are processed through the router. This is
more of a processing/queuing thing, and isn't specific just to the hub
router. It would be any router on an nbma network like that.
Check out
http://www.cisco.com/en/US/tech/tk828/tk363/technologies_white_paper09186a00
800d6b61.shtml for more information and similar examples.
HTH,
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
Packet Man
Sent: Friday, March 12, 2004 12:39 PM
To: ccielab@groupstudy.com
Subject: IP PIM nbma-mode
Hi guys,
In Solie's PS II, his example shows "ip pim nbma-mode" configured on all p2m
interfaces connected to the F/R network. I thought this was only needed on
the hub router - not on the spoke routers.
Is this a mistake in my thinking or has Solie made another mistake?
Also, if this command is needed on the spoke routers, could someone explain
why.
Thanks in advance, pm
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