From: David Hurtado (dei2viccie@hotmail.com)
Date: Sat Apr 17 2004 - 17:04:51 GMT-3
I have a doubt about this topic, why in a hub-and-spoke topology running PIM
Auto-RP the hub must be the RP Mapping Agent? Is because of the
split-horizon rule? Does this restriction apply to BSR too?
Thanks for the help
P.D.: I forgot to mention that it is hub-and-spoke topology over FR
>From: "SANCHEZ-MONGE,ANTONIO (HP-France,ex2)"
><antonio.sanchez-monge@hp.com>
>Reply-To: "SANCHEZ-MONGE,ANTONIO (HP-France,ex2)"
><antonio.sanchez-monge@hp.com>
>To: "'Yasser Aly'" <blackyeyes00@hotmail.com>, ccielab@groupstudy.com
>Subject: RE: Multicast: Auto-RP considerations
>Date: Sat, 17 Apr 2004 21:55:07 +0200
>
>Hi Yasser,
>
>It means that the mapping agent has to be connected through an IP multicast
>enabled path (pim dense, pim sparse-dense, autorp listener, etc...) to all
>routers, in other words that all routers should get the discovery packets,
>but they can be several hops away from the mapping agent.
>
>Cheers,
>Ato.
>
>-----Original Message-----
>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
>Yasser Aly
>Sent: miircoles, 14 de abril de 2004 22:54
>To: ccielab@groupstudy.com
>Subject: Multicast: Auto-RP considerations
>
>
>Hello,
>
> In CCIE Practical Studies II it says:
>
>" In Frame Relay environment using auto-RP, you must address a few
>considerations. All candidate RPs must have a map statement or otherwise
>connected to the mapping agent. All mapping agents must connect to all
>multicast routers."
>
>What does the author means by his last statmenet " All mapping agents must
>connect to all multicast routers " ?
>
>Does it mean physically connected or connecting routing wise ?
>
>Appreciate of somebody can explain it more.
>
>Regards,
>Yasser
>
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