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Step-by-Step Configuration and Troubleshooting Best Practices for the NGFW, NGIPS and AMP Technologies A Visual Guide to the Cisco Firepower Threat Defense (FTD)
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FWSM

I have a problem. how to upgrade IOS on FWSM where I have this warnning

warnning

0251:system CMOS Checksun bad - default congiguration used

warnning

0211:keyboard error

Cause of this, i can't upgrade or access the module.

How can I sove this?

Thank.

1 REPLY
Cisco Employee

Re: FWSM

This is often a hardware issue and a corrupt flash. Possibly you will end up getting TAC help to get an RMA.

You could potentially take the FWSM out, console into it on the PC port, put it carefully back in and try to console into it to see if you can "fsck" into it. I don't think it will solve it, but it is worth a try.

PK

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