Preview Tool

Cisco Bug: CSCuk49694 - 6PE: Ignoring label update from peer

Last Modified

Feb 21, 2018

Products (1)

  • Cisco IOS

Known Affected Releases


Description (partial)

Symptoms: When a BGP 6PE peer router send an update with a different label 
from the previously advertised label, the 6PE router does not update the BGP 
table nor the forwarding path with the new label.

Conditions: This symptom is observed in a "1-2-3 cascade" with three 6PE 
routers when the connection between the second and the third 6PE router goes 
down long enough for the BGP session between these routers to go down and when 
the BGP sessions comes up again.
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.