Nagios Support Forum

Thanks for reply, but doesn't work.

I'm trying to make it report 0% CPU usage when this is the case, but I don't want it to return 0% CPU usage when actually no value is returned.

Cisco routers return an integer for CPU usage. The Icinga check-cisco.pl script works well when CPU usage is between 1% to 99%, but sometimes the usage is legitimately 0%. It's only an integer, no float so guess 0.4% would be rounded down to 0. I can test this with: snmpget -v 2c -c public myciscoro...