From: Rado Vasilev (decklandv@gmail.com)
Date: Sat Jul 26 2008 - 20:33:45 ART
PIM messages use 224.0.0.13 and as such are always sent directly between
PIM neighbours (not forwarded).
Not sure if IOS actually does RPF for them but it should succeed anyway
as sent from an directly connected IP.
Rado
> Hi,
>
> I have a question. I know that for each mulitcast stream router has to do the
> RFP check when traffic reach the incoming interface.
>
> My question is: For PIM join do the receiver of the PIM join is performing an
> RPF check of the sender of the PIM join (or PIM DR)... I think that the
> receiver of the PIM join do not check the RPF because the sender of the PIM
> join juste send it throught it RPF interface.
>
> Am I correct?
> Thanks
> Guillaume
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