From: Wes Smith (wesmith@rogers.com)
Date: Sun Mar 21 2004 - 17:59:49 GMT-3
Shibu
1) Multicast msut be enabled on all possible paths interfaces between
the source and dest.. Otherwise you can fail the RPF check.
(there are some exceptions such as tunnels... but the above is the
general rule)
2) yes .. ... source and dest need it.
Wes
Shibu Nair wrote:
>Hi
>Basic question regarding multicast enabling on interfaces (say pim sparse
>or dense mode).
>
>1- Let me take an example, i have a 3 paths from the source to destination and
> currently from source A to Destination B flow through path1 (RPF).
> From the ccie practice lab point of view, should we enable multicast
>and mode (pim)
> on interfaces / routers in all paths or only path1 direction router
>interfaces. ?
>
>2-What is the general rule to enable multicast on the interfaces connected to
> source and destination (mostly ethernet int) ? Does both these
>interfaces required
> "ip pim sparse / dense" command.
>Regards
>Shibu
>
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