Mine

define service{
        use                     generic-service ; Inherit values from a template
        host_name               economia
        service_description     Port 2 Link Status
        check_command           check_snmp!-C public -o ifOperStatus.1 -r 1 -m RFC1213-MIB
        }



define service{
        use                     generic-service ; Inherit values from a template
        host_name               economia
        service_description     Port 3 Link Status
        check_command           check_snmp!-C public -o ifOperStatus.3 -r 3 -m RMON-MIB
        }