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nagios监控cisco交换机-创新互联

nagios 监控 cisco 交换机

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一、环境：
      1.已搭建好nagios4.0.8
      2.Centos6.5 x86_64

二、需要有4个监控cisco的脚本
check_snmp_cisco_ifstatus
check_snmp_cisco_loadavg
check_snmp_cisco_memutil
check_snmp_env
下载链接：http://down.51cto.com/data/2118262

三、配置
vim /usr/local/nagios/etc/objects/templates.cfg

define host{
        name                    etnet-switch    
        use                     generic-host    
        check_period            24x7            
        check_interval          1               
        retry_interval          1/2             
        max_check_attempts      2               
        check_command           check-host-alive        
        notification_period     24x7            
        notification_interval   30              
        notification_options    d,r             
        contact_groups          admins          
        register                0               
        }

vim /usr/local/nagios/etc/objects/commands.cfg

##check cisco
#define  check_snmp_env
define command{
command_name check_snmp_env
command_line $USER1$/check_snmp_env -H $HOSTADDRESS$ -C $ARG1$ $ARG2$
}
#define  check_snmp  cisco mem
define command{
command_name check_snmp_cisco_mem
command_line $USER1$/check_snmp_cisco_memutil -H $HOSTADDRESS$ -C $ARG1$ -w $ARG2$ -c $ARG3$
}
#define  check_snmp cisco cpu
define command{
command_name check_snmp_cisco_cpu
command_line $USER1$/check_snmp_cisco_loadavg -H $HOSTADDRESS$ -C $ARG1$ -w $ARG2$ -c $ARG3$
}
#define  check_snmp cisco  if
define command{
command_name check_snmp_cisco_if
command_line $USER1$/check_snmp_cisco_ifstatus -H $HOSTADDRESS$ -C $ARG1$ -i $ARG2$ -w $ARG3$ -c $ARG4$
}

vim /usr/local/nagios/etc/objects/151.3.cfg 

define host{
        use             etnet-switch
        host_name       Office-192.168.151.3
        alias           Switch 151.3
        address         192.168.151.3
        }
define service{
        use                     generic-service
        host_name               Office-192.168.151.3
        service_description     PING
        check_command           check_ping!200.0,20%!600.0,60%
        normal_check_interval   5
        retry_check_interval    1
        }
define service{
        use                     generic-service
        host_name               Office-192.168.151.3
        service_description     Uptime
        check_command           check_snmp!-C public -o sysUpTime.0
        }
define service{
        use                     generic-service
        host_name               Office-192.168.151.3
        service_description     Port 1 Link Status
        check_command           check_snmp!-C public -o ifOperStatus.1 -r 1 -m RFC1213-MIB
        }
define service {
  use                         generic-service
  host_name                   Office-192.168.151.3
  service_description         Memutil
  check_command               check_snmp_cisco_mem!public!90!95
 }
define service {
  use                         generic-service
  host_name                   Office-192.168.151.3
  service_description         LoadAVG
  check_command               check_snmp_cisco_cpu!public!90!95
  }
define service {
  use                         generic-service
  host_name                   Office-192.168.151.3
  service_description         Environment
  check_command               check_snmp_env!public
  }

添加监控交换机
vim /usr/local/nagios/etc/nagios.cfg 

cfg_file=/usr/local/nagios/etc/objects/151.3.cfg

重启nagios
/etc/init.d/nagios restart

四、可能会报错

No output on stdout) stderr: Can't locate Net/SNMP.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 
/usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at 
/usr/local/nagios/libexec/check_snmp_env line 21.

问题1：
perl -MCPAN -e shell
Can't locate CPAN.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5 /usr/lib64/perl5/vendor_perl

/usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .).

解决：

yum install -y perl-CPAN*

问题2：
No output on stdout) stderr: Can't locate Net/SNMP.pm in @INC (@INC contains: /usr/local/lib64/perl5 /usr/local/share/perl5

/usr/lib64/perl5/vendor_perl /usr/share/perl5/vendor_perl /usr/lib64/perl5 /usr/share/perl5 .) at

/usr/local/nagios/libexec/check_snmp_env line 21.

解决：

 perl -MCPAN -e shell
cpan[1]> install Net::SNMP
cpan[2]> quit

网上的解决方案
How do I install Net::SNMP              perl module ?           There are 2 ways of doing this
           1) By CPAN (best)
           on command line, as root :

             [your_host]# perl -MCPAN -e shell
             cpan shell -- CPAN exploration and modules installation (v1.76)
             ReadLine support enabled
             cpan> install Net::SNMP

           If it's the first time you run CPAN, it will              probably ask you some (simple) questions.
           CPAN will also ask you to satisfy some dependencies              (Crypt::DES, Digest::MD5, etc..).
           2) "By hand"

           Get the folowings modules (tar.gz format) on              www.cpan.org
           - Crypt::DES
             - Digest::MD5
             - Digest::SHA1
             - Digest::HMAC
             - Net::SNMP

             for each one (you must install Net::SNMP at the end) :
             tar zxf .tar.gz
             cd
             perl Makefile.pl
             make test
             make install

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