Which means that PBF/PBR is never done by the system cpu not even on PA-200?
Compared to SSL-termination which is performed by the system cpu up to (including) PA-2xxx if im not misinformed, while PA-4xxx did this in the dataplane and PA-5xxx have an updated design to perform even more SSL-termination than the 4xxx series.
I think this question can have to do with that on Cisco its not uncommon that when one use PBR all packets will get punted to the system cpu instead of just using the asic (aka "dataplane") unless you use C6500 and upwards depending on supervisor etc.
The dataplane is used for processing of the production traffic, while the mgmt plane is for administrative purpose only. PBF, SSL decryption, appID, content inspection, etc are done on the dataplane. For simplification, most of the settings (syslog, SNMP, logging, reporting, etc) under the Device tab are handled by the mgmt plane.
You're correct, the cpu is involved. However, we have dedicated cpu/processors for the dataplane and dedicated cpu/processors for the mgmt plane. They are separate and do not share their resource across the two planes. As such, the ssl decryption would involve the dataplane's cpu/processors only.
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