From: John Matus (jmatus@pacbell.net)
Date: Sun Sep 04 2005 - 01:21:57 GMT-3
ok, i haven't looked @ multicast in 2 months......
don't you need to use auto-rp listener in the case where you are using
sparse mode but and one of the clients is not directly connected to the rp?
R1------------------------R2------------------------------R3(rp)
auto-rp-listener
Regards,
John D. Matus
MCSE, CCNP
Office: 818-782-2061
Cell: 818-430-8372
jmatus@pacbell.net
----- Original Message -----
From: "Zouta oxpf" <zouta.oxpf@gmail.com>
To: "Imal kalutotage" <imal.kalutotage@gmail.com>
Cc: "Cisco certification" <ccielab@groupstudy.com>
Sent: Saturday, September 03, 2005 12:26 PM
Subject: Re: ip pim auto rp listner
> Imal,
>
> I thought the auto listener feature was just designed for auto-rp groups
> 224.0.1.39 <http://224.0.1.39> and 224.0.1.40 <http://224.0.1.40>. It
> allows
> the routers to treat these groups silently as dense mode groups.
>
> BSR, on the other hand, uses a combination of unicast and multicast. BSR
> sends BSR messages to all pim routers at 224.0.0.13 <http://224.0.0.13>
> with
> a TTL = 1, similar to ospf (well, the address is link-scoped)
>
> In my opinion, I do not think the command is needed with BSR. But then
> this
> opinion is subject to serious scrutiny.
>
> Regards
> Z
>
> On 9/3/05, Imal kalutotage <imal.kalutotage@gmail.com> wrote:
>>
>> Hi Group,
>> I need to clarify the following..
>> if we are only allowed to use sparse-mode, we need to use 'ip pim auto rp
>> listner"
>> in case we use auto rp for rp election..{Pls correct me if I am wrong}
>> Do we have to use the same command, if we have to use BSR instead of
>> Auto-rp?
>> Cheers,
>> Imal
>>
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