TP-Link T1500 Series User Manual page 763

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Configuring SNMP & RMON

SNMP (Simple Network Management Protocol) is a standard network management

protocol, widely used on TCP/IP networks. It facilitates device management using NMS

(Network Management System) software. With SNMP, network managers can view or

modify network device information, and troubleshoot according to notifications sent by

those devices in a timely manner.

As the following figure shows, the SNMP system consists of an SNMP manager, an SNMP

agent, and a MIB (Management Information Base). The SNMP manager can be part of an

NMS such as tpNMS. The agent and MIB reside on the managed device such as the switch,

router, host or printer. To configure SNMP on the switch, you define the relationship

between the manager and the agent.

Figure 1-1 SNMP System

1.2 Basic Concepts

The following basic concepts of SNMP will be introduced: SNMP manager, SNMP agent,

MIB (Management Information Base), SNMP entity, SNMP engine, and SNMP version.

SNMP Manager

The SNMP manager uses SNMP to monitor and control SNMP agents, providing a friendly

management interface for the administrator to manage network devices conveniently. It

can get an MIB objects values from an agent or store a value of MIB object into the agent.

Also, it receives notifications from the agents so as to learn the condition of the network.

An SNMP agent is a process running on the managed device. It contains MIB objects whose

values can be requested or changed by the SNMP manager. An agent can send unsolicited

trap messages to notify the SNMP manager that a significant event has occurred on the

Get or set MIB objects values

Response and send notifications

SNMP Manager

Managed Device

Configuration Guide