Symptom
From the result of testing, the issue will happen when the below config exists in configuration.
---
login block-for 120 attempts 5 within 60
---
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%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
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Conditions
sup2Tvss(config)#login block-for 300 attempts 3 within 6
%Software-forced reload
Workaround
Remove "login block-for" command before powering off master
Further Problem Description
Fix for CSCts80209 IOS running device may crash adding or removing "login block-for" is not comprehensive. In some platforms, WS-X45-SUP7L-E running cat4500e-universalk9.SPA.03.05.03.E.152-1.E3 this crash is seen
CMD: 'login block-for 1800 attempts 6 within 60' 05:17:40 EDT
%SEC_LOGIN-3-INIT_FAILED: Secure Login Initialization failed. Unable to update ACL declaration