Preview Tool

Cisco Bug: CSCul32048 - FRNTEND_CTRLR-2-SUB_INACTIVE with using Copper SFP and flex link

Last Modified

Apr 17, 2019

Products (143)

  • Cisco Catalyst 3750-X Series Switches
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 3750V2-24FS Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 3560E-48PD-E Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960C-12PC-L Switch
View all products in Bug Search Tool Login Required

Known Affected Releases


Description (partial)

Following error message may be observed a few hours after switch bootup.

%FRNTEND_CTRLR-2-SUB_INACTIVE: The front end controller 0 is inactive

0 may be different number depending on platform/configuration which is used.
This message is also generated from member switch.

Catalyst 3750X in stack configuration running 15.0(2)SE2
Configuring flex link and using Copper SFP.
If you do not configure flex link and suspecting this defect, please also look into CSCui21748.
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.