Preview Tool

Cisco Bug: CSCvu53834 - LACP not working on ASR9901 using 40 GB optics

Last Modified

Sep 02, 2020

Products (12)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9903 Router
View all products in Bug Search Tool Login Required

Known Affected Releases


Description (partial)

LACP packets drop on ASR 9901 when configured in 40G mode.
the link is shown as defaulted and not receiving LACP packets.

The issue is specfic to 9901 when configured to 40G breakout and the ports are configured with bundle active
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.