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Cisco Bug: CSCus32281 - port displays as amber but did not get into err-disabled status

Last Modified

Apr 17, 2017

Products (137)

  • Cisco Catalyst 2960-S Series Switches
  • Cisco ME 3400EG-2CS-A Switch
  • Cisco Catalyst 2960-24TC-L Switch
  • Cisco Catalyst 3560E-48PD-SF Switch
  • Cisco Catalyst 3750G-12S Switch
  • Cisco Catalyst 3560-12PC-S Compact Switch
  • Cisco Catalyst 3750V2-24PS Switch
  • Cisco Catalyst 3560E-24TD-S Switch
  • Cisco Catalyst 2960-24-S Switch
  • Cisco Catalyst 3560X-48P-S Switch
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Known Affected Releases

12.2(55)SE

Description (partial)

Symptom:
SW:122-55.SE7
HW:WS-C2960S-48FPD-L

When issued command "authentication port-control auto" on a specific port, the port LED turns to amber;if remove this command,the LED turns back to normal green.

*Mar  9 07:30:47.686 GMT: %LINK-3-UPDOWN: Interface GigabitEthernet1/0/10, changed state
to up
*Mar  9 07:30:48.845 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface
GigabitEthernet1/0/10, changed state to up
VWTS02-USR-AS2960-01# 
*Mar  9 07:31:01.899 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface
GigabitEthernet1/0/10, changed state to down
*Mar  9 07:31:03.907 GMT: %LINEPROTO-5-UPDOWN: Line protocol on Interface
GigabitEthernet1/0/10, changed state to up
*Mar  9 07:31:04.945 GMT: %AUTHMGR-5-START: Starting 'mab' for client (2c3e.cf7a.32d6) on
Interface Gi1/0/10 AuditSessionID C0A85A330000028929185E44
*Mar  9 07:31:04.961 GMT: %MAB-5-SUCCESS: Authentication successful for client
(2c3e.cf7a.32d6) on Interface Gi1/0/10 AuditSessionID C0A85A330000028929185E44
*Mar  9 07:31:04.961 GMT: %AUTHMGR-7-RESULT: Authentication result 'success' from 'mab'
for client (2c3e.cf7a.32d6) on Interface Gi1/0/10 AuditSessionID C0A85A330000028929185E44
*Mar  9 07:31:05.784 GMT: %AUTHMGR-5-SUCCESS: Authorization succeeded for client
(2c3e.cf7a.32d6) on Interface Gi1/0/10 AuditSessionID C0A85A330000028929185E44


This is the logging when the port Gi1/0/10 is turned on. After successfully authenticated, the LED turned to amber.

Conditions:
With CLI command "authentication port-control auto" enabled on specific interface(in this case the port connected with IP phone).
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