MPLS forwarding table

From: Edward John <edwardjohn2020_at_googlemail.com>
Date: Tue, 24 Aug 2010 21:36:50 +0300

Hi,

Will there be any reason for not getting "mpls forwarding table" even when
ldp adjacency is UP and label binding is present?
I am using GNS3, and image is:c7200-p-mz.122-25.S14.bin

*Following are config & captures:*

*************Config********************
!
hostname Rack1R9
!
!
no mpls traffic-eng auto-bw timers frequency 0
mpls ldp neighbor 124.1.29.2 password CISCO
mpls ldp router-id Loopback0 force
!
!
interface Loopback0
 ip address 124.1.9.9 255.255.255.255
 no clns route-cache
!
interface Loopback1
 ip address 12.0.0.9 255.255.0.0
 no clns route-cache
!
interface Loopback2
 ip address 12.1.0.9 255.255.0.0
 no clns route-cache
!
interface ATM4/0
 description Put ATM PVC Configs Here
 no ip address
 no atm enable-ilmi-trap
 no clns route-cache
!
interface ATM4/0.29 point-to-point
 ip address 124.1.29.9 255.255.255.0
 no atm enable-ilmi-trap
 mpls ldp discovery transport-address interface
 mpls label protocol ldp
 mpls ip
 pvc 0/902
 !
!
router bgp 9
 no synchronization
 bgp router-id 124.1.9.9
 bgp log-neighbor-changes
 network 12.0.0.0 mask 255.255.0.0
 network 124.1.9.9 mask 255.255.255.255
 neighbor 64.1.5.5 remote-as 100
 neighbor 64.1.5.5 ebgp-multihop 15
 neighbor 64.1.5.5 update-source Loopback0
 neighbor 64.1.6.6 remote-as 100
 neighbor 64.1.6.6 ebgp-multihop 15
 neighbor 64.1.6.6 update-source Loopback0
 neighbor 124.1.29.2 remote-as 200
 no auto-summary
!
ip classless

***********************************************
*Rack1R9#show mpls ldp bindings*
  lib entry: 12.0.0.0/16, rev 9
        local binding: label: imp-null
        remote binding: lsr: 124.1.29.2:0, label: 58
  lib entry: 12.1.0.0/16, rev 10
        local binding: label: imp-null
  lib entry: 12.2.0.0/16, rev 11
        local binding: label: imp-null
  lib entry: 12.3.0.0/16, rev 12
        local binding: label: imp-null
  lib entry: 64.1.0.0/16, rev 16
        remote binding: lsr: 124.1.29.2:0, label: 57
  lib entry: 64.1.5.5/32, rev 13
        remote binding: lsr: 124.1.29.2:0, label: 35
  lib entry: 64.1.6.6/32, rev 14
        remote binding: lsr: 124.1.29.2:0, label: 36
  lib entry: 124.1.9.9/32, rev 8
        local binding: label: imp-null
        remote binding: lsr: 124.1.29.2:0, label: 61
  lib entry: 124.1.29.0/24, rev 7
        local binding: label: imp-null

*Rack1R9#show mpls ldp neighbor*
    Peer LDP Ident: 124.1.29.2:0; Local LDP Ident 124.1.9.9:0
        TCP connection: 124.1.29.2.646 - 124.1.29.9.11000
        State: Oper; Msgs sent/rcvd: 16/18; Downstream
        Up time: 00:03:59
        LDP discovery sources:
          ATM4/0.29, Src IP addr: 124.1.29.2
        Addresses bound to peer LDP Ident:
          124.1.29.2

*Rack1R9#show mpls ip binding*
  12.0.0.0/16
        in label: imp-null
        out label: 58 lsr: 124.1.29.2:0
  12.1.0.0/16
        in label: imp-null
  12.2.0.0/16
        in label: imp-null
  12.3.0.0/16
        in label: imp-null
  64.1.0.0/16
        out label: 57 lsr: 124.1.29.2:0
  64.1.5.5/32
        out label: 35 lsr: 124.1.29.2:0
  64.1.6.6/32
        out label: 36 lsr: 124.1.29.2:0
  124.1.9.9/32
        in label: imp-null
        out label: 61 lsr: 124.1.29.2:0
  124.1.29.0/24
        in label: imp-null

*Rack1R9#show ip cef 64.1.5.5*
64.1.5.5/32
  nexthop 124.1.29.2 ATM4/0.29

*Rack1R9#show mpls forwarding-table*
Local Outgoing Prefix Bytes Label Outgoing Next Hop
Label Label or VC or Tunnel Id Switched interface

***********************************************

I reloaded the router too..

-- 
*Thanks & Regards,*
*John*
Blogs and organic groups at http://www.ccie.net
Received on Tue Aug 24 2010 - 21:36:50 ART

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