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Cisco Bug: CSCvt32762 - Show command for mLDP database is giving wrong information about LDP ID for downstream neighbor

Last Modified

Sep 02, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco ASR 9922 Router
  • Cisco IOS XR Software
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9912 Router
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Known Affected Releases

6.3.3.BASE

Description (partial)

Symptom:
Seeing incorrect LDP ID under mpls mldp database:

MPLS MLDP DATABASE
LSM-ID: 0x00078  Type: P2MP  Uptime: 01:03:45
  FEC Root           : 1.1.1.10
  FEC Length         : 19 bytes
  FEC Value internal : 0202000B06550000000009000000019D08030A
  Opaque length      : 11 bytes
  Opaque value       : 02 000B 0655000000000900000001
  Opaque decoded     : [mdt 65500:9 1]
  Features           : Trace
  Upstream neighbor(s) :
    157.8.3.10:0 [Active] Uptime: 01:03:45
      Local Label (D) : 25956
  Downstream  client(s):
...
...
    LDP 1.1.3.2:0    Uptime: 01:03:45 <<<<<--------- THIS SHOULD BE 1.1.0.9 (HAVENT FIGURED OUT WHY ITS DISPLAYING INCORRECTLY)
      Next Hop         : 1.1.0.18
      Interface        : POS0/6/3/0     <<<<<--------- IFH IS CORRECT SO PROGRAMMING IN MRIB SHOULDN'T HAVE A PROBLEM
      Remote label (D) : 25153
      LDP MSG ID       : 539854
    LDP 157.8.3.5:0    Uptime: 01:03:45
      Next Hop         : 1.1.0.26
      Interface        : POS0/6/0/0
      Remote label (D) : 25051
      LDP MSG ID       : 4571629
...
...
    LDP 1.1.3.2:0    Uptime: 01:03:45 <<<<<--------- SAME ID AS ABOVE SO SOMETHING IS WRONG IN PRINTING HERE but ifh is correct for this entry LDP ID
      Next Hop         : 1.1.6.149
      Interface        : POS0/7/1/2
      Remote label (D) : 802
      LDP MSG ID       : 1974607
    LDP 1.1.3.5:0    Uptime: 01:03:45 <<<<<--------- SAME ID AS ABOVE SO SOMETHING IS WRONG IN PRINTING HERE but ifh is correct for this entry LDP ID
      Next Hop         : 1.1.6.193
      Interface        : POS0/0/2/0
      Remote label (D) : 934
      LDP MSG ID       : 3023953

Conditions:
This will only happen if one MLDP database entry has more than 8 downstream entry
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Bug Details Include

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