以下介紹如何裝設 mrtg 監測 eth0 的流量

yum -y install net-snmp

vi /etc/snmp/snmpd.conf

com2sec local localhost public
com2sec mynetwork 192.168.1.0/24 public
group MyRWGroup v1 local
group MyROGroup v1 mynetwork
view all included .1.3.6.1.2.1.1 80
access MyROGroup "" any noauth 0 all none none
access MyRWGroup "" any noauth 0 all all all
syslocation Fedora Core 6

syscontact someone <someone@mail.com.tw>

chkconfig snmpd on

 service snmpd start