Good morning I'm writing you because since when I have made Pix upgrade from rel.6.3.5 to 7.1.2, I have seen an increase of the CPU utilization, with the same configuration of the appliance.
#sh ver
Cisco PIX Security Appliance Software Version 7.1(2)
Hardware: PIX-525, 256 MB RAM, CPU Pentium III 600 MHz
Licensed features for this platform:
Maximum Physical Interfaces : 10
Maximum VLANs : 100
Inside Hosts : Unlimited
Failover : Active/Active
VPN-DES : Enabled
VPN-3DES-AES : Enabled
Cut-through Proxy : Enabled
Guards : Enabled
URL Filtering : Enabled
Security Contexts : 2
GTP/GPRS : Disabled
VPN Peers : Unlimited
This platform has an Unrestricted (UR) license.
# show processes
-->snip<----
PC SP STATE Runtime SBASE Stack Process
Mrd 00212b72 018dff78 011c9d88 2397865581 018dc030 11772/16384 Dispatch Unit
What'is this Dispatch Unit process?
# show processes cpu-hog
MAXHOG NUMHOG LASTHOG Process
-------------- --------------- --------------- ---------
530 687 260 Dispatch Unit
120 10 120 ssh
3090 1 3090 CTM message handler
120 158 120 ci/console
120 147 120 fover_rep
360 7 350 fover_parse
Look file in attach to see the CPU utilization in a year of production, in conjuction of Pix upgrade, in May 2006, the CPU load start from 5% to 20% plus.
What kind of check can I made?
The output of command #sh cpu don't said me important information, or I can't interpret correctly (I have used also the Output Interpreter tool but i don't understand very well the output of commands)
Any information that you can send me are welcomed
Best Regards
Davide
