linux系统下SNMP添加实现

本文介绍如何在Linux系统上安装、配置并启动SNMP服务。包括安装SNMP软件包、配置SNMP服务、设置防火墙规则以允许SNMP流量通过,并提供了检查SNMP服务是否正常运行的方法。

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添加SNMP:
yum install net-snmp* 

查看本机SNMP:grep -v '^#' /etc/snmp/snmpd.conf | grep -v '^$'
查看oid:more /etc/snmp/snmpd.conf

启动snmp服务:/etc/init.d/snmpd start  或者:service snmpd start
备注:注意关闭防火墙iptables,或开通161,162端口
临时关闭防火墙:/etc/init.d/iptables stop
永久关闭防火墙:chkconfig --level 35 iptables off
将161端口和162端口设置通过防火墙:
vi /etc/sysconfig/iptables
添加如下内容:
-A INPUT -m state --state NEW -m udp -p udp --dport 161 -j ACCEPT
-A INPUT -m state --state NEW -m udp -p udp --dport 162 -j ACCEPT
重启iptables:service iptables restart  或:/etc/init.d/iptables restart

测试是否成功:snmpwalk -v 1 -c public 10.202.249.254 .1.3.6.1.2.1.1
                                        IP地址           OID

docker run -d -it --name=cloud9 -v $(pwd)/workspace:/workspace -p 8181:8181 zuolan/cloud9-ide --auth user:password
linux环境下的snmp测试脚本, Installing SNMPv2C Agent Conformance Test Package 2008/04/08 IPv6 Promotion Council Terminology =========== Tester Node (TN) A tester node for the conformance tests. Node Under Test (NUT) A testee node for the conformance tests. Network Under Test The network where the conformance tests are executed. Tester Interface The network interface of TN hooked up to the Network Under Test. Interface Under Test The network interface of NUT hooked up to the Network Under Test. Prerequisites ============= Prerequisites for TN: - The package supports FreeBSD 6.0-RELEASE or higher version. - The package can also coexist with FreeBSD version of KAME. Installing the package onto TN ============================== 0. Before Starting (A) You need to install following softwares. - Perl (Required version : 5.8.7 or higher) - Net-SNMP (Required version : 5.3.1 or higher) *** You can download it from the following URL: http://net-snmp.sourceforge.net/ - v6eval (Required version : 3.0.11 or higher) Please refer to 00README.v6eval in "v6eval" for more information. *** You can download it from the following URL: http://www.tahi.org/release/ - koi (Required version : 1.1.1 or higher) Please refer to README file in "koi" package for more information. *** You can download it from the following URL: http://www.tahi.org/release/ 1. Extracting ct package % tar zxvf ct-snmpv2c-ag-X.X.tar.gz 2. Copying ct package Copy ct directory to any directory you like. % cp -pR $ORGDIR/ct-snmpv2c-ag-X.X $SOMEWHERE/ct-snmpv2c-ag-X.X % chmod -R +w $SOMEWHERE/ct-snmpv2c-ag-X.X 4. Setup ct environment % (enable TN's ipv6 capibility) % cd $SOMEWHERE/ct-snmpv2c-ag-X.X % edit config.txt % make test [End of INSTALL]
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