This check uses SNMP to determine the F5 loadbalancer throughput. It uses the method described in K50309321: Viewing BIG-IP system throughput statistics to retrieve the information from the load balancer, stores the information in a file and upon the 2nd call, uses the actual and stored data to calculate the throughput of the load balancer.
f5_throughput [flags]
Flags:
-C, --community string SNMP community (default public (default "public")
-f, --config string config file (default is /etc/icinga2/f5_throughput.yaml) (default "/etc/icinga2/f5_throughput.yaml")
-c, --critical string critical range
-s, --file string statistics file (default /var/lib/icinga2/f5_throughput_stats.json)
-h, --help help for f5_throughput
-H, --host string host/ip address of the laod balancer (default 127.0.0.1) (default "127.0.0.1")
-P, --port int SNMP port (default 161) (default 161)
-w, --warning string warning range