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Figure 1–2 esnmp data flow, Overview 1.2 request handling – Compaq AAR04BCTE User Manual

Page 15

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Overview

1.2 Request Handling

Figure 1–2 eSNMP Data Flow

VM-0705A-AI

Client

Trap

client

Master Agent

Subagent 1

Subagent 2

Subagent 1

Client

Master Agent

Subagent n

NMS1

NMS2

Legend:

Host 1

Host 2

Network

161

161

705

Flow of trap notification

Flow of get/set request

Flow of "are_you_there" message

The process of communication for a request is illustrated with dashed lines and
includes the following steps:

1.

The network management station (NMS) (sometimes called the client),
originates SNMP requests to obtain and set information.

Note

The client component is not provided with TCP/IP Services.

To provide access to MIBs and to test SNMP communication, TCP/IP
Services provides the following utilities:

MIB browser

Trap sender

Trap receiver

These utilities are described in Chapter 4.

Overview 1–3