I agree with the previous comment. If MPLS/LDP is already enabled, check to make sure your LDP sessions are working correctly. Do show mpls ldp neighbor
-Yuri On Mon, May 3, 2010 at 12:04 PM, Shimol Shah <[email protected]> wrote: > Is MPLS/LDP enabled and up between the two boxes ? Notice the outgoing > "untagged" in the global LFIB on both boxes. I would have expected a > "imp-null" due to PHP > > "sh mpls int <> int" on two boxes may tell you more. > > > > > On 5/3/10 2:14 PM, selamat pagi wrote: > >> Setup >> CE (loopback 3 on R3 vrf BLUE ) - PE1 R3 - MPLS -- PE2 R4 -- CE >> (loopback4 on R4 vrf BLUE >> >> *ping between lo 3 and lo 4 does not work. * >> both lo are in vrf BLUE >> >> - vrf routing table show routes / vpnv4 BGP neigbor is up >> >> R3#sh ip route vrf BLUE >> ! >> 3.0.0.0/32 is subnetted, 1 subnets >> C 3.3.3.3 is directly connected, Loopback3 >> 4.0.0.0/32 is subnetted, 1 subnets >> B 4.4.4.4 [200/0] via 150.1.4.4, 00:07:27 >> >> >> R3#sh ip bgp vpnv4 all su >> ! >> Neighbor V AS MsgRcvd MsgSent TblVer InQ OutQ Up/Down >> State/PfxRcd >> 150.1.4.4 4 100 15 16 5 0 0 00:09:52 >> >> >> >> Such a simple setup, but I just cannot figure out what's wrong. >> Any feedback is highly welcome :-) >> >> cheers, keti >> >> Configuration / sh outputs >> ------------------------------------ >> R3 >> ip vrf BLUE >> rd 1:100 >> route-target export 1:100 >> route-target import 1:100 >> ! >> interface Loopback3 >> ip vrf forwarding BLUE >> ip address 3.3.3.3 255.255.255.255 >> router bgp 100 >> no synchronization >> bgp log-neighbor-changes >> neighbor 150.1.4.4 remote-as 100 >> neighbor 150.1.4.4 update-source Loopback0 >> no auto-summary >> ! >> address-family vpnv4 >> neighbor 150.1.4.4 activate >> neighbor 150.1.4.4 send-community both >> exit-address-family >> ! >> address-family ipv4 vrf BLUE >> redistribute connected >> no auto-summary >> no synchronization >> exit-address-family >> >> >> R4 >> >> ip vrf BLUE >> rd 1:100 >> route-target export 1:100 >> route-target import 1:100 >> >> interface Loopback4 >> ip vrf forwarding BLUE >> ip address 4.4.4.4 255.255.255.255 >> >> router bgp 100 >> no synchronization >> bgp log-neighbor-changes >> neighbor 150.1.3.3 remote-as 100 >> neighbor 150.1.3.3 update-source Loopback0 >> no auto-summary >> ! >> address-family vpnv4 >> neighbor 150.1.3.3 activate >> neighbor 150.1.3.3 send-community both >> exit-address-family >> ! >> address-family ipv4 vrf BLUE >> redistribute connected >> no auto-summary >> no synchronization >> exit-address-family >> ! >> >> >> R3#sh ip cef vrf BLUE 4.4.4.4 det >> 4.4.4.4/32, version 2, epoch 0, cached adjacency to Serial2/0 >> 0 packets, 0 bytes >> tag information set >> local tag: VPN-route-head >> fast tag rewrite with >> Recursive rewrite via 150.1.4.4/32, tags imposed {19} >> via 150.1.4.4, 0 dependencies, recursive >> next hop 150.1.13.1, Serial2/0 via 150.1.4.4/32 >> valid cached adjacency >> tag rewrite with >> Recursive rewrite via 150.1.4.4/32, tags imposed {19} >> >> >> R3#sh mpls forwarding-table >> Local Outgoing Prefix Bytes tag Outgoing Next Hop >> tag tag or VC or Tunnel Id switched interface >> 16 Untagged 150.1.24.0/24 0 Se2/0 point2point >> 17 Untagged 150.1.4.4/32 0 Se2/0 point2point >> 18 Untagged 150.1.12.0/24 0 Se2/0 point2point >> 19 Aggregate 3.3.3.3/32[V] <http://3.3.3.3/32%5BV%5D> 0 >> R3# >> R4#sh mpls forwarding-table >> Local Outgoing Prefix Bytes tag Outgoing Next Hop >> tag tag or VC or Tunnel Id switched interface >> 16 Untagged 150.1.3.3/32 0 Se2/0.1 point2point >> 17 Untagged 150.1.13.0/24 0 Se2/0.1 point2point >> 18 Untagged 150.1.12.0/24 0 Se2/0.1 point2point >> 19 Aggregate 4.4.4.4/32[V] <http://4.4.4.4/32%5BV%5D> 0 >> R4# >> >> R4#sh ip cef vrf BLUE 3.3.3.3 >> 3.3.3.3/32, version 2, epoch 0, cached adjacency to Serial2/0.1 >> 0 packets, 0 bytes >> tag information set >> local tag: VPN-route-head >> fast tag rewrite with >> Recursive rewrite via 150.1.3.3/32, tags imposed {19} >> via 150.1.3.3, 0 dependencies, recursive >> next hop 150.1.24.2, Serial2/0.1 via 150.1.3.3/32 >> valid cached adjacency >> tag rewrite with >> Recursive rewrite via 150.1. >> _______________________________________________ >> cisco-nsp mailing list [email protected] >> https://puck.nether.net/mailman/listinfo/cisco-nsp >> archive at http://puck.nether.net/pipermail/cisco-nsp/ >> > _______________________________________________ > cisco-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ > _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
