Yes, that was it. "mpls ip" was not enabled on an interface.
Now everything works [?] (and hopefully my MPLS-troubleshooting skills improved a bit) Thank you ALL On Mon, May 3, 2010 at 11:17 PM, Yuri Bank <[email protected]> wrote: > 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/ >
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