From: Gupta, Gopal (NWCC) (gopal.gupta@hp.com)
Date: Wed Dec 05 2007 - 11:30:42 ART
No, I don't have any 0.0.0.0 mappings for R5 in my scenario.
Morever I do have point-to-point links everywhere
Thanks
Gops
-----Original Message-----
From: Gregory Gombas [mailto:ggombas@gmail.com]
Sent: Wednesday, December 05, 2007 19:37
To: Gupta, Gopal (NWCC)
Cc: Cisco certification
Subject: Re: PIM Auto-RP
Hi Gopal,
Is it possible the MA has a 0.0.0.0 mapping for R5 in its frame relay
mapping table and its multicasting out the DLCI?
I've seen similar issues when forgetting to disable frame-relay inverse
arp...
On Dec 4, 2007 7:41 AM, Gupta, Gopal (NWCC) <gopal.gupta@hp.com> wrote:
> Hi Gurus
> There is one question, am scratching my head
>
> Topology
>
> R5->R1->R4
> |
> R3
> |
> R2
>
> R4 is MA and R3 is RP
>
> Question is w/o using IP Pim autorp listener and all interfaces in
> Sparse mode, R4 is still sending the group-RP mappings to all the
> Routers including R5; is this the default behavior ??
> The problem is R5 should not recv these mappings from R4 coz all is
> running in Sparse mode.
>
> R5:-->
>
> R5#sh ip mr
>
> (*, 224.0.1.40), 01:10:44/stopped, RP 0.0.0.0, flags: DCL Incoming
> interface: Null, RPF nbr 0.0.0.0 Outgoing interface list:
> Serial1/0.504, Forward/Sparse, 01:10:44/00:01:32
>
> (204.12.1.4, 224.0.1.40), 01:10:43/00:02:54, flags: PLTX Incoming
> interface: Serial1/0.504, RPF nbr 155.1.15.1 Outgoing interface list:
> Null
>
> R5#sh ip pim rp ma
> PIM Group-to-RP Mappings
>
> Group(s) 224.0.0.0/4
> RP 150.1.3.3 (?), v2v1
> Info source: 204.12.1.4 (?), elected via Auto-RP
> Uptime: 01:10:47, expires: 00:02:49
>
> As far as i have studied till now is we need either PIM Sparse-dense
> mode or pim AutoRP Listener for getting group to RP mappings and it is
> working W/O those commands.
> Hope you will throw some light on this.
>
> Many Thanks,
> Gops
>
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