From: Todd, Douglas M. (DTODD@PARTNERS.ORG)
Date: Fri Mar 02 2007 - 19:09:33 ART
Hey All:
I am hoping to pick someone's brain.
I have a basic frame hub and spoke network
The underscore represents the same logical interface (multipoint vs p-t-p)
R4----R1__
| \ \
| \ \
R1 R2 R3
I have a join-group on R3 so I can ping it from all other routers. What I am
trying to accomplish is a task where
I must have an RP for defined groups but also support groups which are not
governed by the RP.
1) I believe that I need to have sparse-dense to cover the RP announsements and
group mappings (BSR/AutoRP) and dense for those not supported by the RP.
2) I can't use nmba mode for PIM because of the sparse-dense and I can not just
use sparse-mode because of the restrictions of Autorp
3) I am trying to do this with out statically defining my RPs because I know
that will work and use AutoRP.
What works because they are different logical interfaces:
R4 -> R3
R1 -> R3
What does not work: R2->R3
Seems that the multipoint keeps getting pruned which makes sense because there
is no group on R2. How do I get around this problem?
Thanks.
DMT
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