[j-nsp] multicast on M20

[Anouk Rocher]

Harry,

Your reply helps a lot.  Thanks!

Anouk.



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---- On Thu, 23 Oct 2003, harry (harry at juniper.net) wrote:

> Because PIM sparse mode is based on an explicit join model the
lack of a S,G
> entry indicates the lack of join state; there is no need to
forward such
> traffic because evidently no one is interested in receiving
it.
> 
> In a sparse topology traffic only flows when S,G or *,G joins
are sent
> towards the source or RP respectively.
> 
> To my knowledge only multicast traffic that is originated by
or destined to
> the RE is processed in SW on the RE. The Tunnel PIC handles
PIM register
> encapsulation in HW.
> 
> HTHs.