MPLS VPN and PIM Tunnel issue

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Jul 1st, 2009
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Hi all,

having some issues when moving some PE-Routers to a new MPLS backbone.

Before the changes, each PE has 17 tunnels per VRF

(command: show ip pim vrf "blue" neighbor)

After moving to the new backbone (changing ospf and bgp router-id, clear ospf and bgp process) the number of tunnels differ from PE to PE. One has 7, one has 13, one has 0,..etc. Reboot of the whole box has no effect.

Since we run 12.2(33)SXH4 on our Sup720/3BXL, we have a seperate address-family for the mdt setup in the BGP configuration (address-family ipv4 mdt).

When we remove a neighbor statement from that special address-family and add it again, the tunnel to that neighbor comes up and works fine.

I know that there was a bug in earlier versions of the SXH-Train (Incompatbility-issue with pre-SAFI IOS versions).

Is this bug back again? or does anyone has some other ideas what the problem can be?


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