Hi Brian,

I only cleared the mapping on the mapping agent because I thought
that I only have to clear the mappings where I have adjusted the filter
(the mapping agent). I have also adjusted the access filter on R1 so
it will also advertise these specifics to the mapping agent.

My session at proctorlabs has ended so right now I can't test anymore.

Greetings,

LJ

2009/7/19 Bryan Bartik <[email protected]>:
> Hello LJ,
>
> It's early but it looks fine to me. Did you clear the mappings on all
> routers and then wait for them to repopulate? What does "debug ip pim
> auto-rp" show?
>
> On Sun, Jul 19, 2009 at 6:57 AM, L. Jankok <[email protected]> wrote:
>>
>> Dear list,
>>
>> In Lab 24 task 24.6 the last bullet states that R1 must be the RP for
>> 224.0.0.0 through 225.0.0.0
>>
>> Now I know that because R9, R4 and R2 aren't the RP for these groups
>> R1  by means of a least specific match will be the RP for these groups.
>>
>> But  I want to be more specific about for which groups R1 can be the RP
>> and to accomplish this I apply a specific filter for R1 on the mapping
>> agent (R5).
>>
>> !
>> ip access-list standard R1
>>  permit 200.0.0.1
>> ip access-list standard R1_GROUPS
>>  permit 224.0.0.0 1.255.255.255
>> !
>> ip access-list standard ALL_GROUPS
>>  permit 224.0.0.0 15.255.255.255
>> ip access-list standard ALL_OTHERS
>>  permit 200.0.0.9
>>  permit 200.0.0.4
>> !
>> ip pim rp-announce-filter rp-list R1 group-list R1_GROUPS
>> ip pim rp-announce-filter rp-list ALL_OTHERS group-list ALL_GROUPS
>> !
>>
>> Now I am expecting so see only the groups 224.0.0/7 for RP 200.0.0.1.
>> But still I see also 224.0.0.0/4 for RP 200.0.0.1 even though I
>> have it filtered out and haven't included it in the ALL_OTHERS
>> filter.
>>
>> My question is what am I overlooking? because this doesn't jive
>> with my expectation.
>>
>> R5#show ip pim rp mapping
>> PIM Group-to-RP Mappings
>> This system is an RP-mapping agent (Loopback0)
>>
>> Group(s) 224.0.0.0/7
>>  RP 200.0.0.1 (?), v2v1
>>    Info source: 200.0.0.1 (?), elected via Auto-RP
>>         Uptime: 00:01:23, expires: 00:02:33
>> Group(s) 224.0.0.0/4
>> <---- Still here?
>>  RP 200.0.0.1 (?), v2v1
>>    Info source: 200.0.0.1 (?), elected via Auto-RP
>>         Uptime: 00:01:23, expires: 00:02:35
>> Group(s) 226.0.0.0/7
>>  RP 200.0.0.2 (?), v2v1
>>    Info source: 200.0.0.2 (?), elected via Auto-RP
>>         Uptime: 00:01:56, expires: 00:02:01
>> Group(s) 228.0.0.0/8
>>  RP 200.0.0.9 (?), v2v1
>>    Info source: 200.0.0.9 (?), elected via Auto-RP
>>         Uptime: 00:01:22, expires: 00:02:34
>> Group(s) 229.0.0.0/8
>>  RP 200.0.0.2 (?), v2v1
>>    Info source: 200.0.0.2 (?), elected via Auto-RP
>>         Uptime: 00:01:56, expires: 00:02:01
>> Group(s) 230.0.0.0/8
>>  RP 200.0.0.9 (?), v2v1
>>    Info source: 200.0.0.9 (?), elected via Auto-RP
>>         Uptime: 00:01:23, expires: 00:02:35
>> Group(s) 231.0.0.0/8
>>  RP 200.0.0.2 (?), v2v1
>>    Info source: 200.0.0.2 (?), elected via Auto-RP
>>         Uptime: 00:01:58, expires: 00:01:59
>> Group(s) 232.0.0.0/5
>>  RP 200.0.0.4 (?), v2v1
>>    Info source: 200.0.0.4 (?), elected via Auto-RP
>>         Uptime: 00:01:50, expires: 00:02:07
>> R5#
>>
>> Cheers,
>>
>> LJ
>>
>
>
>
> --
> Bryan Bartik
> CCIE #23707 (R&S), CCNP
> Sr. Support Engineer - IPexpert, Inc.
> URL: http://www.IPexpert.com
>
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