[c-nsp] Multicast gurus?! --Static RP / 'no ip pim dm-fallback'

[Brant I. Stevens]

On 8/1/06 5:59 PM, "Bob Arthurs" <bob_arthurs at hotmail.com> wrote:

> hello
> 
> i wonder if any multicast gurus here can help...
> 
> i am wondering if the 'no ip pim dm-fallback' command has any benefit if
> static rps are used in a network (anycast rp and static)? if so, what is the
> benefit?!
It will prevent a group without an RP from being flooded in your network.
You can configure an "RP of Last Resort" to prevent this, or, just use the
'no ip pim dm-fallback' knob.

I'd turn it on, just to avoid the potential issues caused by the
misconfiguration of static RP info.