SNMP,MRTG Installation and configuration (1) SNMP installation

First, SNMP introduction

1, monitor network I/O

2, managing the devices running on your computer

3, the agent is running on the monitored server A, then host a can be monitored on Host B of SNMP server.

4, Application layer protocol, can be installed on different platforms, occupy a very small bandwidth, four-step process

5,V1 version is clear text transmission, V3 version encryption transmission

Second, MIB

The monitored data is represented by objects, each object can be represented by a value, and the OID is used to represent the only one monitoring object (this is more clearly represented here).