I have one problem. I have a system where logs are coming from palo alto devices with different version of PanOS (v6.1, v7.1, v8.0 and v8.1). I want to identify which PanOS version is the system running by looking at the logs only. Can you please tell me how can I know it? Currently, I am counting the number of fields in the log. For example, TRAFFIC log of v6.1 has 47 number of fields, v7.1 has 54 and v8.0 has 61 fields.
The logs by themselves won't tell you the actual PAN-OS version outside of the differences between major versions as you've already noticed.
They will contain the serial numbers if your devices
if you're documenting what versions your devices are on you can link the logs that way
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