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FWSM module shuts down itself without any warning


I'm using CAT 6509 switch with FWSM blade from past three years. Today FWSM module went down without any warning messages or crashdump information.

Show module on chassis indicated that that status for FWSM was shutdown. I could not get any information in logs and could not login to FWSM as it was in shutdown state.

I brought it up manually after two or three retries from chassis CLI. When I logged in to

FWSM to see crash info, it said

WARNING: There is no crash dump data!

I do log all messages from chassis and fwsm to a linux host. In this case, it is a standby FWSM which went down. I did not get any error logs when this event happened.

Any ideas why this happened after three years?

Yes, I had upgraded FWSM from 1.1 to 2.2(1) in early 2005.

Currently I'm running native IOS 12.1(19)E1a with FWSM 2.2(1)

Any inputs are appreciated.

New Member

Re: FWSM module shuts down itself without any warning

There are different reasons for FWSM failure.The default boot partition is set to cf:1.Try reloading FWSM module.To reload FWSM from CAT OS use the command Console> (enable) reset mod_num.Refer the following URL for more info

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