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The TCP/IP Guide

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Table Of Contents  The TCP/IP Guide
 9  TCP/IP Application Layer Protocols, Services and Applications (OSI Layers 5, 6 and 7)
      9  TCP/IP Network Configuration and Management Protocols (BOOTP, DHCP, SNMP and RMON)
           9  TCP/IP Network Management Framework and Protocols (SNMP and RMON)
                9  TCP/IP Internet Standard Management Framework Overview, Architecture, Components and Concepts

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Overview and History of the TCP/IP Internet Standard Management Framework and Simple Network Management Protocol (SNMP)
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TCP/IP SNMP Operational Model, Components and Terminology.
(Page 3 of 3)

SNMP Terminology Summary

So, to integrate and reiterate all of this, let's summarize. SNMP consists of a small number of network management stations (NMSes) that interact with regular TCP/IP devices that are called managed nodes. The SNMP manager on the NMS and the SNMP agents on the managed nodes implement the SNMP protocol and allows network management information to be exchanged. SNMP applications run on the NMS and provide the interface to the human administrator, and allow information to be collected from the MIBs at each SNMP agent, as shown in Figure 270. Simple! See, the name is good after all. J


Figure 270: SNMP Operational Model

This diagram shows a simplified implementation of SNMP, with one network management station used to maintain three managed nodes. Each device has an SNMP Entity, and they communicate using SNMP messages. The SNMP entity of the NMS consists of the SNMP Manager and one or more SNMP Applications; the managed nodes each run an SNMP Agent and maintain a Management Information Base (MIB).

 


Key Concept: SNMP allows a network administrator using a network management station (NMS) to control a set of managed nodes. Each device incorporates an SNMP entity that implements the technology. In an NMS, the entity consists of an SNMP manager module and a set of SNMP applications; in a managed node, an SNMP agent and management information base (MIB).



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Overview and History of the TCP/IP Internet Standard Management Framework and Simple Network Management Protocol (SNMP)
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TCP/IP Internet Standard Management Framework Architecture and Protocol Components
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