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Cisco Bug: CSCuo66933 - Switch sent Failure packet after reboot and caused PC to fail authen

Last Modified

Feb 13, 2020

Products (119)

  • Cisco IOS
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 3560-12PC-S Compact Switch
  • Cisco Catalyst 3560E-12D-E Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 2960-24TC-L Switch
  • Cisco Catalyst 3560G-48PS Switch
  • Cisco Catalyst 3750V2-24PS Switch
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Known Affected Releases

12.2(55)SE9 12.2(58)SE2 n/a

Description (partial)

After a switch reboot (power off then on), switch sends a Failure packet to the PCs (Win7 and WinXP) and causes PCs to fail dot1x authentication.

Issue was observed on the following platforms:

3750, 3560, and 2960 both running 12.2(55)SE64
510R+E with Sup 7E running 15.1(2)SG1
6509-E with Sup720 running 122-33.SXJ6
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