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Resource issue on PIX 535

Hi,

We've just upgraded some PIX 535's to version 7.2 (no probs with the upgrade)

but after monitoring for a while we are seeing the following drops:

FIREWALL# sh asp drop frame unable-to-create-flow

Flow denied due to resource limitation 9405

The docs say to check mem:

FIREWALL# sh mem

Free memory: 979319280 bytes (91%)

Used memory: 94422544 bytes ( 9%)

------------- ----------------

Total memory: 1073741824 bytes (100%)

And also to check connections:

FIREWALL# sh resource usage

Resource Current Peak Limit Denied Context

SSH 1 2 100 0 System

Syslogs [rate] 48 645 N/A 0 System

Conns 350 5999 1000000 0 System

Xlates 6 6 N/A 0 System

Hosts 295 779 N/A 0 System

Conns [rate] 15 354 N/A 0 System

Inspects [rate] 12 54 N/A 0 System

Has anyone experienced anything like this? The counter is increasing steadily.

thanks,

Andrew.

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