From: Toh Soon, Lim (tohsoon28@gmail.com)
Date: Sun Oct 07 2007 - 06:04:36 ART
Hi Group,
I realize my mistake. My ACL is incorrect. It should be:
access-list 4 permit 239.0.0.0 0.255.255.255
Still doing "sh ip pim rp-hash 239.1.1.1" returns "No RP available for this
group". Did I miss something?
Thank you.
B.Rgds,
Lim TS
On 10/7/07, Toh Soon, Lim <tohsoon28@gmail.com> wrote:
>
> Hi Group,
>
> I have the following static RP entry on router R9:
>
> !
> ip pim rp-address 200.0.0.2 4 override
> !
> access-list 4 permit 239.0.0.0 0.0.0.255
> !
> interface FastEthernet0/0
> ip igmp join-group 239.1.1.1
> !
>
> The RP for the group 239.0.0.0/8 is R2 (200.0.0.2) which is few hops away.
> PIM SD mode is enabled on all physical interfaces on all routers because I'm
> also running Auto-RP for other groups. All PIM neighbor adjacencies verified
> up.
>
> Kindly see outputs below:
>
> R9#sh ip pim rp map in-use
> PIM Group-to-RP Mappings
>
> Group(s) 224.11.11.11/32
> RP 200.0.0.1 (?), v2v1
> Info source: 200.0.0.2 (?), elected via Auto-RP
> Uptime: 02:27:21, expires: 00:02:34
> Group(s) 224.11.11.12/32
> RP 200.0.0.1 (?), v2v1
> Info source: 200.0.0.2 (?), elected via Auto-RP
> Uptime: 02:27:21, expires: 00:02:33
> Group(s) 224.11.11.13/32
> RP 200.0.0.1 (?), v2v1
> Info source: 200.0.0.2 (?), elected via Auto-RP
> Uptime: 02:27:21, expires: 00:02:31
> Acl: 4, Static-Override
> RP: 200.0.0.2 (?)
>
> Dynamic (Auto-RP or BSR) RPs in cache that are in use:
>
>
> R9#sh ip pim rp-hash 239.1.1.1
> No RP available for this group
>
> R9#sh ip mr 239.1.1.1
> (*, 239.1.1.1), 00:13:09/00:02:01, RP 0.0.0.0, flags: DCL
> Incoming interface: Null, RPF nbr 0.0.0.0
> Outgoing interface list:
> FastEthernet0/0, Forward/Sparse-Dense, 00:13:09/00:00:00
> Multilink1, Forward/Sparse-Dense, 00:13:09/00:00:00
>
>
> Why doing "rp-hash" for group 239.1.1.1 does not return the RP? I'm
> expecting it to return the RP 200.0.0.2.
>
> The (*, 239.1.1.1) multicast entry doesn't seem okay. The RP is 0.0.0.0.
>
> Secondly, when configuring static RP, should I configure the same static
> RP entry on all intermediate routers leading to the RP? I think so I should.
> Understand that a router, having a member joining the group, will multicast
> a Join/Prune message hop by hop to the RP. So each intermediate PIM router
> should have knowledge of the static RP in order to send its own Join/Prune
> message toward the RP.
>
> Please advise.
>
>
> Thank you.
>
> B.Rgds,
> Lim TS
This archive was generated by hypermail 2.1.4 : Fri Nov 16 2007 - 13:11:12 ART