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Appendix D
UNDERSTANDING SNMP
The Simple Network Management Protocol (SNMP) is the de facto
standard for managing commercial Transmission Control Proto-
col/Internet Protocol (TCP/IP) networks. It allows vendor equip-
ment to be managed from a single control console.
The term SNMP broadly refers to the message protocols used to
exchange information between the network and the managed de-
vices, as well as to the structure of network management databas-
es.
SNMP Components:
SNMP has three basic components: Network Manager, Agent,
and MIB.
Network Manager
• A control program that collects, controls, and presents data
pertinent to the operation of the network devices.
• Resides on a network management station.
Agent
• A control program that responds to queries and commands
from the network manager.
• Returns requested information or invokes configuration
changes initiated by the manager.
• Resides in each network device connected.
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Router Option Module User Guide
SNMP
D-1
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