From: tony hall (tony_hall123@hotmail.co.uk)
Date: Tue Jun 20 2006 - 11:22:37 ART
Thanks Victor,
My understanding was that if spare mode fail(which will in this case) then
dense mode will take care instead of tunnel intwerface.
Regards,
>From: "Victor Cappuccio" <cvictor@protokolgroup.com>
>To: "'tony hall'" <tony_hall123@hotmail.co.uk>, <ccielab@groupstudy.com>
>Subject: RE: sparse-dense mode
>Date: Tue, 20 Jun 2006 10:07:41 -0400
>
>
>Hello Tony
>
>From my understanding the ip pim nbma mode would only affect for groups
>that
>are in sparse.
>
>If you come to the situation that Rp Discovery messages are not reached
>because the incoming interface and the outgoing interface are the same,
>then
>you should think about using a Tunnel between these devices.
>
>You can test your lab using the no ip mroute and deb ip mpa to see if there
>is an oil to null or an RPF Failure for any group.
>
>And from the PIM NBMA MODE Part: I've heard hear that extra configuration
>does not makes a question wrong .-
>
>HTH
>Victor.-
>
>-----Mensaje original-----
>De: nobody@groupstudy.com [mailto:nobody@groupstudy.com] En nombre de tony
>hall
>Enviado el: Martes, 20 de Junio de 2006 09:41 a.m.
>Para: ccielab@groupstudy.com
>Asunto: sparse-dense mode
>
>Hi Group,
>I have 3 routers connected in a triagle, Router A, B and C.Router A is hub
>usinfg sub int . .I have to enable RP on router B for 1 group, another RP
>on
>
>router B for different group.Router A is RP-discovery.We need to enable PIM
>spares-Dense mode only on all 3 serial int running FR ( enable spare mode
>on
>
>all int, and let Dense mode to discover all groups if RP fails)
>.If i enable PIM nbma mode on all 3 serial interface,I get warning that
>nmba
>
>mode is not recommended in this mode but interface still accept the
>command.
>
>Will we loose the point in the lab if we still force PIM NBMA MODE on
>sparse-dense mode, enabled interfaces ?.
>
>Regards.
>
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