We use this FW as proxy, we have PaloAlto1 and PaloAlto2 it's cluster how can I troubleshoot this issue.
Start by looking at the cpu resources following this tech document. This will let you know what process is at issue.
Thank you for your reply, so i need to launch this commande in order to see what process causing the problem.
First of all, we need to identify which CPU is high, MP CPU (management-plane) or DP CPU (data-plane)...?
The above documents will help you for MP-CPU. From the GUI of the PAN firewall, if you go to Dashboard >> @ bottom left corner, it will show you the CPU utilization.
NOTE: To understand DP CPU, you can apply below mentioned CLI commands.
CLI> show running resource-monitor
CLI> show session info
CLI> show session meter
CLI> Debug data-plane pool statistics
CLI>> show counter global filter delta yes >>>>>>>> Run this command 10 times with a 5 sec interval.
Hope this helps.
What PanOS version are you running, and which CPU is under the load?
If it's the management CPU, and the spike is every 5 minutes or so, there's nothing you can do about it. Version 6 is supposed to help in reducing these spikes, but it's caused by the log index process, which kicks off every 5 minutes, and will normally kick your management CPU up to 60-70% for a couple of minutes.
As I said, V6 is supposed to fix this - haven't installed V6 yet, so I can't comment one way or another if it does.
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