From: Rich Collins (nilsi2002@gmail.com)
Date: Mon Feb 23 2009 - 17:55:28 ARST
Hello,
I tried a similar scenario. For the core you can use sparse-mode with
a separate RP on either the PE's or P or alternatively you can use ssm
- I chose ssm.
PE
ip vrf GREEN
rd 1:1
route-target export 1:1
route-target import 1:1
mdt default 232.1.1.1
!
ip pim ssm default
At first it didn't work for me and then I realized that I had
forgotten the "ip pim sparse-mode" under LOOP0.
PE1#sh ip pim mdt bgp
Peer (Route Distinguisher + IPv4) Next Hop
MDT group 232.1.1.1
2:1:1:2.2.2.2 2.2.2.2
PE1#sh ip pim mdt
* implies group is the MDT default group
MDT Group Interface Source VRF
* 232.1.1.1 Tunnel0 Loopback0 GREEN
PE1#
-Rich
On Fri, Feb 20, 2009 at 2:57 PM, Nitin Venugopal <nitinsworld@gmail.com> wrote:
> Dear All,
>
> I am facing an issue with PIM neighbouship not getting established over the
> multicast VPN
>
> |------------------------<MDT>---------------------|
> R1--------------(Et0/1) R2-----------------IBGP--------------R3
> (Fa0/0)---OSPF---R4-------OSPF-------R5 (E01)---
> vrf
> A mpls vrf
> A RP
>
>
>
> 1. R5-- RP (Static)
> 2. R5's (e0/1) is configured with IGMP join group command
> 3. Sparse mode has been configured properly
> 4. With the LB's over which the ibgp is established is also enabled for PIM
> sparse mode.
> 5. show mpls interface shows themdt tunnel as up.
> 6. When traffic is initiated from R1, it does not bring up R3 ..ip pim
> neighbor still remain with other neghbors
>
> Diagnosis
>
> 1. when i issue show ip pim neighbor, i cannot see R3 as neighbor tO R2
> 2. However the tunnel is up - when ip pim vrf ABC intreface cmd is issued.
>
>
> Appriciate if someone can revert with the corect sollution
>
> Thanks
> Nitin
>
>
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