Preview Tool

Cisco Bug: CSCup04781 - VC is shown as down but traffic is passed

Last Modified

Feb 14, 2018

Products (1)

  • Cisco 7600 Series Routers

Known Affected Releases


Description (partial)

In l2transport, vc between two edge routers is shown as "down" in "show mpls l2transport vc {vc-num}" output. But traffic is passed between customer edge device. Below error is contentiously appeared in the logs:

XCONNECT-5-PW_STATUS MPLS peer {ip} vcid {number}, VC state UP

Condition is not known. The issue starts right after upgrading to Version 15.2(4)S2
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

  • Full Description (including symptoms, conditions and workarounds)
  • Status
  • Severity
  • Known Fixed Releases
  • Related Community Discussions
  • Number of Related Support Cases
Bug information is viewable for customers and partners who have a service contract. Registered users can view up to 200 bugs per month without a service contract.