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Cisco Bug: CSCum81043 - login block-for x attempts y within z. Not CSCts80209 Affects IOS/IOS-XE

Last Modified

Jun 18, 2020

Products (93)

  • Cisco IOS
  • Cisco Catalyst 3560X-48U-S Switch
  • Cisco Catalyst 2960C-8TC-S Switch
  • Cisco Catalyst 2960S-24PD-L Switch
  • Cisco Catalyst 3560X-48P-S Switch
  • Cisco Catalyst 2960C-12PC-L Switch
  • Cisco Catalyst 3560CG-8TC-S Compact Switch
  • Cisco Catalyst 3560X-48T-E Switch
  • Cisco Catalyst 2960S-F48FPS-L Switch
  • Cisco Catalyst 4948E-F Ethernet Switch
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Known Affected Releases

15.1(2)SY4.3 15.2(1)E

Description (partial)

From the result of testing, the issue will happen when the below config exists in configuration.

login block-for 120 attempts 5 within 60

%Software-forced reload

06:43:05 UTC Wed Mar 30 2011: Unexpected exception to CPUvector 2000, PC = 2058F18 
-Traceback= 0x2058F18z 0x2058EB4z 0x382198z 0x3880D0z 0x38B9C8z 0x38BFACz 0xB5FD98z 0xB5AC24z 0xB52AD4z 0x1AFD62Cz 0x205A1FCz 0x2054734z 

06:43:10 UTC Wed Mar 30 2011: Unexpected exception to CPUvector 2000, PC = 170AB98 
-Traceback= 0x170AB98z 0x2054734z 0x205A1FCz 0x2054734z 


sup2Tvss(config)#login block-for 300 attempts 3 within 6
%Software-forced reload
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