Unanswered Question
May 20th, 2009

We are experiencing issue with our 6509 switch.

Please see the loggs below...all of a sudden all the vlans got reset.

I have this problem too.
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sumitsept3 Wed, 05/20/2009 - 18:41

I have inquired about this issue, and they say its a IOS bug,

but then why did it effect only single module (SFP) ? why not other modules on the switch.

all our vlans are connected to Module 1 (SFP) and just that one reset , ( No traps for entire module down, just vlans restarted connected to that module)

very strange....

Paolo Bevilacqua Wed, 05/20/2009 - 19:18

IOS bugs doesn't have to behave in a predictable or consistent manner.

If you have been advised to update, do that and forget this, for the next problem.

Manish Prasad Mon, 05/17/2010 - 08:41

Regarding this error the TAC are saying that its a hardware issue and workaround in this case is to reset the module on the chassis.

Rajeev Sharma Mon, 05/17/2010 - 17:42


Could you please provide the command output of show diag resul mod 1 test det.




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