RE: another dumb multicast question

From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Wed Dec 07 2005 - 21:57:02 GMT-3


        It does run in dense mode, that's what auto-rp listener
accomplishes. Auto-RP listener is essentially sparse-dense mode, but
you're only dense for 224.0.1.39 and 224.0.1.40. You can also run
sparse mode only without auto-rp listener if you statically define an RP
to send joins for 224.0.1.39 and 224.0.1.40.

HTH,

Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com

Internetwork Expert, Inc.
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-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
John Matus
Sent: Wednesday, December 07, 2005 6:39 PM
To: ccielab@groupstudy.com
Subject: another dumb multicast question

just trying to get my information correct.

let's say you are running auto-rp and you have mapping agents that are
not
directly connected to the c-rp...........and you're running in sparse
mode.
will "ip pim auto-rp-listener overcome the issue for the mapping agent
like
it does for a client/router, or does 224.0.1.39 have to run in
dense-mode
only?

Regards,

John D. Matus
Technical Support / PAS
Fujitsu Consulting
626-568-7716
John.Matus@tokiom.com
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