example.cfg

#example of what needs to be included into commands.cfg and what ever other cfg files are present

#Something like the below needs to be added into the commands.cfg file.

define command {
        command_name    ifcheck
        command_line    /usr/local/libexec/ifcheck -H $HOSTADDRESS$ -C $_HOSTSNMPREAD$ -k $ARG1$
}
define command {
        command_name    ifcheck_descr
        command_line    /usr/local/libexec/ifcheck -H $HOSTADDRESS$ -C $_HOSTSNMPREAD$ -d $ARG1$
}
define command {
        command_name    ifcheck_noflap
        command_line    /usr/local/libexec/ifcheck -H $HOSTADDRESS$ -C $_HOSTSNMPREAD$ -k $ARG1$ -S
}

#Then in whatever other cfg file holds the service definitions ( something like interfaces.cfg as referenced by the main nagios.cfg)

define service{
        service_description     Link-to-something
        use                     Service-Default
        host_name               Switch1
        check_command           ifcheck!10101
}

define service{
        service_description     Link-Gi0/1
        use                     Service-Default
        host_name               Switch1
        check_command           ifcheck_descr!GigabitEthernet0/1
}

define service{
        service_description     ISDN-Link
        use                     Service-Default
        host_name               SomeAwfulVoiceGateway
        check_command           ifcheck_noflap!1079772160
}

#Which assumes the use of a service template called 'Service-Default'.