From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Tue Oct 30 2007 - 11:32:35 ART
Always choose the simplest solution. Unless the question says that r5
should never service that group range your answer is correct. You
would however want to look at the show ip pim rp mapping output to
make sure that your answer is actually functional.
HTH,
Brian McGahan, CCIE #8593 (R&S/SP/Security)
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
http://www.internetworkexpert.com
On Oct 30, 2007, at 8:51 AM, "Toh Soon, Lim" <tohsoon28@gmail.com>
wrote:
> Hi Group,
>
> I have the following Auto-RP scenario:
>
> R7
> --
> 1. C-RP for 239.0.0.0/8
> 2. RP address 200.0.0.7
>
> R5
> --
> 1. Mapping agent
> 2. C-RP for all groups except 239.0.0.0/8
> 3. RP address 200.0.0.5
>
> I guess one way of configuring this is, we define an ACL on R5 that
> matches
> groups 224 until 238 (summarizing whatever we can) and let R5
> announce this
> group-list.
>
> Another way I'm thinking of is, since R7's IP address is higher than
> R5's, I
> will configure R5 to announce, by default, all groups. When R5 and R7
> contend for group 239.0.0.0/8, R7 will win. R5 will be RP for the
> rest of
> the groups. In the end, this solution meets the task requirement and
> does
> not violate any rules but is it acceptable?
>
> Please share if you have other methods.
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
>
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