nagios的check_ping插件学习

(nagios插件：nagios-plugins-1.4.12/plugins/check_ping.c)

[root@datacenter libexec]# ./check_ping --help

check_ping v1.4.15 (nagios-plugins 1.4.15)

Copyright (c) 1999 Ethan Galstad <>

Copyright (c) 2000-2007 Nagios Plugin Development Team

<>

Use ping to check connection statistics for a remote host.

Usage:

check_ping -H <host_address> -w <wrta>,<wpl>% -c <crta>,<cpl>%

[-p packets] [-t timeout] [-4|-6]

Options:

-h, --help

Print detailed help screen

-V, --version

Print version information

-4, --use-ipv4

Use IPv4 connection

-6, --use-ipv6

Use IPv6 connection

-H, --hostname=HOST

host to ping

-w, --warning=THRESHOLD

warning threshold pair

-c, --critical=THRESHOLD

critical threshold pair

-p, --packets=INTEGER

number of ICMP ECHO packets to send (Default: 5)

-L, --link

show HTML in the plugin output (obsoleted by urlize)

-t, --timeout=INTEGER

Seconds before connection times out (default: 10)

THRESHOLD is <rta>,<pl>% where <rta> is the round trip average travel

time (ms) which triggers a WARNING or CRITICAL state, and <pl> is the

percentage of packet loss to trigger an alarm state.

This plugin uses the ping command to probe the specified host for packet loss

(percentage) and round trip average (milliseconds). It can produce HTML output

linking to a traceroute CGI contributed by Ian Cass. The CGI can be found in

the contrib area of the downloads section at

Send email to if you have questions

regarding use of this software. To submit patches or suggest improvements,

send email to

[root@datacenter libexec]#

用法：

Usage: check_ping -H <host_address> -w <wrta>,<wpl>% -c <crta>,<cpl>%

[-p packets] [-t timeout] [-L] [-4|-6]

具体如下：

-H     主机地址

-w     WARNING 警告状态：   响应时间(毫秒)，丢包率 (%)   阀值

-c     CRITICAL 危险状态：  响应时间(毫秒)，丢包率 (%)   阀值

-p     发送的包数       默认5个包

-t     超时时间         默认10秒

-4|-6                   使用ipv4|ipv6 地址     默认ipv4

示例：

复制代码 代码如下:

./check_ping -H 8.8.8.8 -w 200,20% -c 300,50% -p 3 -t 2

-H 目标主机

-w 延时200丢包20%

-c 延时300丢包50%

延时有3个范围

1. 延时 小于 200

2. 延时 在 200 - 300 范围内

3. 延时 大于 300

小于则输出 OK 正常

范围内则输出 WARNING 警告

大于则输出 CRITICAL 宕机

1、OK 正常

复制代码 代码如下:

[root@204 plugins]# ./check_ping -H 8.8.8.8 -w 200,20% -c 300,50% -p 3 -t 2

PING OK - Packet loss = 0%, RTA = 96.45 ms|rta=96.449997ms;200.000000;300.000000;0.000000 pl=0%;20;50;0

2、WARNING 警告

复制代码 代码如下:

[root@204 plugins]# ./check_ping -H 8.8.8.8 -w 100,20% -c 200,50% -p 3 -t 2

PING WARNING - Packet loss = 0%, RTA = 106.00 ms|rta=106.003998ms;100.000000;200.000000;0.000000 pl=0%;20;50;0

3、CRITICAL 宕机

复制代码 代码如下:

[root@204 plugins]# ./check_ping -H 8.8.8.8 -w 50,20% -c 100,50% -p 3 -t 2

PING CRITICAL - Packet loss = 0%, RTA = 128.41 ms|rta=128.410995ms;50.000000;100.000000;0.000000 pl=0%;20;50;0