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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