snmp_interface_errors | **Optional.** Add error & discard to Perfparse output. Defaults to true.
snmp_interface_noregexp | **Optional.** Do not use regexp to match interface name in description OID. Defaults to false.
snmp_interface_delta | **Optional.** Delta time of perfcheck. Defaults to "300" (5 min).
-snmp_warncrit_percent | **Optional.** Make the warning and critical levels in % of reported interface speed. If set, **snmp_interface_megabytes** needs to be set to false. Defaults to false.
+snmp_interface_warncrit_percent | **Optional.** Make the warning and critical levels in % of reported interface speed. If set, **snmp_interface_megabytes** needs to be set to false. Defaults to false.
snmp_interface_ifname | **Optional.** Switch from IF-MIB::ifDescr to IF-MIB::ifName when looking up the interface's name
snmp_perf | **Optional.** Enable perfdata values. Defaults to true.
snmp_timeout | **Optional.** The command timeout in seconds. Defaults to 5 seconds.