Preview Tool

Cisco Bug: CSCuk61768 - GR + parallel adjs: Unlabelled over 1-hop tunnel upon LDP proc restart

Last Modified

Jan 10, 2017

Products (15)

  • Cisco Carrier Routing System
  • Cisco CRS-1 Line Card Chassis (Dual)
  • Cisco CRS-1 16-Slot Line Card Chassis
  • Cisco CRS-1 Line Card Chassis (Multi)
  • Cisco IOS XR Software
  • Cisco CRS-1 4-Slot Single-Shelf System
  • Cisco CRS-1 Fabric Card Chassis
  • Cisco CRS-1 8-Slot Line Card Chassis
  • Cisco XR 12410 Router
  • Cisco XR 12404 Router
View all products in Bug Search Tool Login Required

Known Affected Releases


Description (partial)


When there is a tageted LDP session between two CRSs with GR configured throughout the core and there is a one-hop TE tunnel between them,  restarting LDP process on one router results in LDP GR not to be triggered when Targeted LDP session goes down first. As a result, we experienced 8 seconds downtime.


The issue triggers only when there is taregeted LDP session between two CRSs and both routers have a one-hop TE tunnel configured with the tunnel interfaces participating in LDP. This issue was seen on
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.