If you like to change this, use -p option. Specify the Number of ECHO Packetsīy default the check_ping command will send 5 ICMP ECHO packets. Note: You should specify “%” after the second number in the threshold limit pair. The critical limit is 20ms or 5% packet loss. The warning limit is 10ms RTA or 2% packet-loss. In the following example, we are checking the ping output for 192.168.1.1 host. Percentage of packet loss, which is called pl.Round trip average, which is called as RTA.Threshold limit for check_ping should be passed as a threshold pair, which has two parts: You should also pass both warning and critical threshold limit. Use -H option to specify the hostname or the ip-address of the server for which you like to check the ping command output. If you don’t pass any arguments to the check_ping command, it will show all available options as shown below. This tutorial explains how you can use check_ping command with some basic examples. If you’ve installed Nagios from source, you’ll find all the default plugins under /usr/local/nagios/libexec directory. Check_ping command is a Nagios plugin that is used to check the ping output of a remote server.īased on the ping output, you can decide to set certain warning and critical threshold level, based on which Nagios can send notifications to you.
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