RE: Auto-RP with sparse-mode.

From: blodwick (blodwick@columbus.rr.com)
Date: Fri Jun 30 2006 - 12:19:50 ART


Oops, I mean 224.0.1.39 and 224.0.1.40

This is from the documentation CD...

ip pim autorp listener
To cause IP multicast traffic for the two Auto-RP groups 224.0.1.39 and
224.0.1.40 to be Protocol Independent Multicast (PIM) dense mode flooded
across interfaces operating in PIM sparse mode, use the ip pim autorp
listener command in global configuration mode. To disable this feature,
use the no form of this command.

-----Original Message-----
From: blodwick [mailto:blodwick@columbus.rr.com]
Sent: Friday, June 30, 2006 11:07 AM
To: 'Mike O'; 'ccielab@groupstudy.com'
Subject: RE: Auto-RP with sparse-mode.

I think what you were getting at is if you use sparse-dense mode, or use
the autorp listener command, the multicast groups 224.1.0.39 and
224.1.0.40 will be treated as dense mode groups in order to facilitate
the autorp mechanism, whereas if you use BSR all groups would be treated
as sparse-mode groups.

-Brian

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Mike O
Sent: Friday, June 30, 2006 10:37 AM
To: ccielab@groupstudy.com
Subject: Auto-RP with sparse-mode.

Hey guys I know this has been hashed out many times, but I'm still
confused.

If the question states I must use spare-mode and no static RPs (aka
autp-rp)
must I use ip pim autorp listener for it to work? or will that violate
the
rules because autorp listener sends pim traffic in a dense mode fashion?

I labbed this up and couldn't get it to work without putting autorp
listener
on ever router in the path.

Anyh thoughts?



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