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A ppendix A
As local area network (LAN) environments became standardized
over the past ten years, multi-vendor equipment grew with compe-
tition. It became necessary to manage the various vendor equip-
ment from a single control console. Thus, the SNMP emerged as
the standard for managing commercial TCP/IP networks.
The term SNMP broadly refers to the message protocols used to
exchange information between the network and the managed
devices, as well as to the structure of network management data-
bases.
SNMP BASIC COMPONENTS
SNMP has three basic components: Network Manager, Agent, and
MIB.
Network Manager
This is a control program that collects, controls, and presents data
pertinent to the operation of the network devices. It resides on a
network management station.
Agent
This is a control program that responds to queries and commands
from the network manager and returns requested information or
invokes configuration changes initiated by the manager. It resides
in each network device.
1200420L1-1
Understanding SNMP
ESU 120e User Manual
A-1
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