Check manual page of pfsense_counter

pfSense: Packet Rates
Distribution	Official part of Checkmk
License	GPLv2
Supported Agents	SNMP

This check monitors various global packet rates of pfSense firewalls. Currently supported: Packets that matched a rule, packets with bad offset, fragmented packets, short packets, normalized packets and packets dropped due to memory limitations.

Discovery

One service is created for each pfSense device.