Specifications

VoiceFinder VoIP Gateway Configuration Guide (APOS 2.0) Release Version 3.1
AddPac Technology Co., LTD
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2.13. Configuring SNMP
SNMP is an application layer protocol which provides a message format for communication
between SNMP Manager and SNMP Agent. There are 3 elements of SNMP system to manage
network: SNMP Manager, SNMP Agent, MIB (Management Information Base)
SNMP Manager is composed of a portion of commonly used Network Management System
(NMS) such as HP Openview. Agent and MIB are placed in Gateway. To configure SNMP to
Gateway, you should understand relationship between SNMP Manager and Agent.
SNMP has MIB variables that SNMP Manager can request or change. SNMP Manager takes a
value of management information, or gives a specific value to Agent for setting.
MIB
SNMP Agent
SNMP
Manager
Getting & Setting MIB Values
Sending Responses MIB Values
IBM RS/6000
Router
Figure 2.4 Communication between SNMP Manager and Agent
Agent is collecting data from MIB, which manages data or equipment parameters, and send it
to manager or set the information by requesting from manager. An information sent from agent
to manager without any request from Manager, is called Trap. Generally trap means a warning
message representing the major events such as network failure, configuration changes.
Information