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nagios的check_ping插件学习

发布时间:2014-08-15   编辑:www.jquerycn.cn
nagios check_ping 插件

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 http://www.nagios.org/

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

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