Preview Tool

Cisco Bug: CSCup27944 - MPLS-TE tunnel flap when midpoint sets IS-IS overload bit

Last Modified

Jul 20, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

When running TE over ISIS, tunnels flap if the overload bit is set at a midpoint node.

This issue is observed when running TE over ISIS.

This does not apply to OSPF networks as OSPF has no OL-bit.
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.