Check tftp (Visit this link)

This is a very simple nagios plugin that checks if TFTP server is up
It is using Net::TFTP perl module for protocol support
There are two required parameters/arguments:
$1 - HOSTNAME to check
$2 - file to retrieve for this check
An example of how to use this is as follows:

define command{
command_name check_tftp
command_line $USER1$/check_tftp.pl $HOSTADDRESS$ X86PC/UNDI/linux-install
}

define service{
use generic-service
hostgroup_name dhcpserv
service_description TFTP
check_command check_tftp
}