SNMP for LVS
查看网上一些关于Cacti监控LVS文章，都说的有点复杂，还需要编译。其实直接下载就可以，然后copy三个文件和执行一条命令就哦了。先下载MIB文件，
[*]# wget http://www.loadbalancer.org/download/SNMP/LVS-MIB.txt
[*]# wget http://www.loadbalancer.org/download/SNMP/OC-MIB.txt
或者下载压缩包，解压得到。
[*]wget http://www.loadbalancer.org/download/SNMP/net-snmp-lvs-module-0.0.4.tar.gz
然后copy到目录
[*]cp LVS-MIB.txt /usr/share/snmp/mibs/
[*]cp OC-MIB.txt /usr/share/snmp/mibs/
再下载so文件并复制到目录，如果是64bit的系统，需下载64bit的so文件。
[*]wget http://www.loadbalancer.org/download/SNMP/32bit/libnetsnmplvs.so
[*]cp libnetsnmplvs.so /usr/lib/libnetsnmplvs.so
再执行命令snmptranslate，如有没有，需安装net-snmp-utils
[*]yum install net-snmp-utils
[*]snmptranslate -m LVS-MIB -On -IR lvsServiceEntry
最后，编辑snmp.conf，添加如下参数。
[*]# vi /etc/snmp/snmpd.conf
[*]
[*]dlmod lvs /usr/lib/libnetsnmplvs.so
重启snmp，就可以抓到LVS的数据了。
[*]# snmpwalk -c public -v 2c -m LVS-MIB localhost 1.3.6.1.4.1.8225.4711 |more
[*]LVS-MIB::lvsVersion.0 = STRING: "1.2.1"
[*]LVS-MIB::lvsNumServices.0 = INTEGER: 11
[*]LVS-MIB::lvsHashTableSize.0 = INTEGER: 4096
[*]LVS-MIB::lvsTcpTimeOut.0 = INTEGER: 900
[*]LVS-MIB::lvsTcpFinTimeOut.0 = INTEGER: 120
[*]LVS-MIB::lvsUdpTimeOut.0 = INTEGER: 300
[*]LVS-MIB::lvsDaemonState.0 = INTEGER: none(0)
[*]LVS-MIB::lvsServiceNumber.1 = INTEGER: 1
[*]LVS-MIB::lvsServiceNumber.2 = INTEGER: 2
[*]LVS-MIB::lvsServiceNumber.3 = INTEGER: 3
[*]LVS-MIB::lvsServiceNumber.4 = INTEGER: 4
[*]LVS-MIB::lvsServiceNumber.5 = INTEGER: 5
[*]LVS-MIB::lvsServiceNumber.6 = INTEGER: 6
[*]LVS-MIB::lvsServiceNumber.7 = INTEGER: 7
[*]LVS-MIB::lvsServiceNumber.8 = INTEGER: 8
[*]LVS-MIB::lvsServiceNumber.9 = INTEGER: 9
[*]LVS-MIB::lvsServiceNumber.10 = INTEGER: 10
[*]LVS-MIB::lvsServiceNumber.11 = INTEGER: 11
[*]LVS-MIB::lvsServiceSchedType.1 = STRING: "rr"
[*]LVS-MIB::lvsServiceSchedType.2 = STRING: "rr"
[*]LVS-MIB::lvsServiceSchedType.3 = STRING: "rr"
[*]LVS-MIB::lvsServiceSchedType.4 = STRING: "rr"
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