nagios 配置 check_traffic 流量监控模块（被监控端）

1. 安装软件包
   yum -y install net-snmp*
   chkconfig nrpe on
   chkconfig snmpd on
2. 使用SCP命令拷贝 check_traffic.sh 到 / usr/lib64/nagios/plugins/check_traffic.sh
   GitHub 下载地址：https://github.com/cloved/check_traffic/blob/master/check_traffic.sh
   wget https://github.com/cloved/check_traffic/archive/master.zip
3. 修改snmpd.conf配置参数
   com2sec notConfigUser 127.0.0.1 public 
   com2sec notConfigUser localhost-IP public
   
   group notConfigGroup v1 notConfigUser 
   group notConfigGroup v2c notConfigUser
   
   view systemview included .1.3.6.1.2.1.1 
   view systemview included .1.3.6.1.2.1.2 
   view systemview included .1.3.6.1.2.1.25.1.1 
   view all included .1
   
   access notConfigGroup "" any noauth exact all none none
4. 重启snmpd服务
   service snmpd start
   chkconfig snmpd on
5. 监控端测试监控脚本
   cd /usr/lib64/nagios/plugins
   ./check_traffic.sh -V 2c -C public -H yourServer-IP -I 2 -w 1200,1500 -c 1700,1800 -K -B
   服务器端测试监控脚本