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New Member

PIX 515 E high memory usage

memory usage : 94%

Firewall has 64 MB RAM.

Version 8.0.3

I disabled threat detetection and buffer logging, but no change. Rebooted two weeks ago and a decrease to only 88%. Now it is back up to 94%.

any idea why high memory usage, or how to troubleshoot this?

Thanks.

3 REPLIES
Cisco Employee

Re: PIX 515 E high memory usage

There were some memory issues in earlier 8.0 versions, some with VPN.

If you see memory only creeping up and not going down I could suggest to open a case or go to 8.0.5 to get rid of old memory issues.

You also need to realize that 8.0 is normal to run 64MB memory close to its limits.

I hope it helps.

PK

New Member

Re: PIX 515 E high memory usage

"You also need to realize that 8.0 is normal to run 64MB memory close to its limits

"

Why is that ? Should the solution be to upgrade memory to 126 MB then?

Thanks.

Cisco Employee

Re: PIX 515 E high memory usage

8.0 ass important functionality and it is normal to run high memory of  smaller memory boxes like the PIX525.

If normal memory after a reboot is around 80-85% then for any increase of traffic you could be running the PIX on its limits.

More memory can help.

PK

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