Fc4 Linux 上利用net-snmp进行snmpv3测试

本文链接：https://blog.youkuaiyun.com/stevexk/article/details/2487203

本文介绍如何从源码安装Net-SNMP 5.0.11版本，并详细说明了如何配置SNMPv3用户的过程。包括下载源码包、编译安装、创建配置文件、添加用户配置以及测试命令等内容。

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1.download net-snmp source package from sourceforge.net.use the version 5.0.11.

2.install according to INSTALL.
./configure
    make
    make install
make clean.

3.copy EXAMPLE.conf file to ~/.snmp/ as snmpd.conf,and change some configurations if needed.

4.add snmpv3 Config
snmpv3 config command:
net-snmp-config --create-snmpv3-user -ro -a authpass -x privpass -X DES -A MD5 v3username
after run ,it will modify to files.
adding the following line to /var/net-snmp/snmpd.conf:
    createUser v3user MD5 "authpass" DES privpass
adding the following line to /usr/local/share/snmp/snmpd.conf:
    rouser v3username

actually,the snmpd program uses the config file under ~/.snmp/.So add the user name
in file ~/.snmp/snmpd.conf.
at last,the Access Control section maybe like this.
---------------------------------------------------------------------------------------------
# rouser: a SNMPv3 read-only user
#   arguments: user [noauth|auth|priv] [restriction_oid]
rouser v3username

#
# Unknown directives read in from other files by snmpconf
#
com2sec local     localhost       public
com2sec mynetwork 192.168.7.0/24      public
group MyRWGroup v1         local
group MyRWGroup v2c        local
group MyRWGroup usm        local
group MyROGroup v1         mynetwork
group MyROGroup v2c        mynetwork
group MyROGroup usm        mynetwork
view all    included .1                               80
access MyROGroup ""      any       noauth    exact all    none   none
access MyRWGroup ""      any       noauth    exact all    all    none
access MyRWGroup cname   any       auth      exact all    all    none
---------------------------------------------------------------------------------------------

5.Run test
snmpv3 walk command for net-snmp agnet.