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Ipswitch WhatsUp Gold User Guide - Ipswitch Documentation Server

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Using SNMP Features<br />

In This Chapter<br />

SNMP overview ................................................................................................. 898<br />

Enabling SNMP on Windows devices ........................................................ 899<br />

Monitoring an SNMP Service ........................................................................ 899<br />

About the SNMP Agent or Manager .......................................................... 900<br />

About the SNMP Management Information Base ................................ 900<br />

About SNMP Object Names and Identifiers ............................................ 901<br />

Using the SNMP MIB Manager ..................................................................... 901<br />

Using the SNMP MIB Manager to troubleshoot MIB files ................... 902<br />

About the SNMP operations ......................................................................... 904<br />

Using a custom name for SNMP device interfaces ............................... 905<br />

About SNMP Security ...................................................................................... 908<br />

Using the Trap Definition Import Tool ...................................................... 908<br />

SNMP overview<br />

The Simple Network Management Protocol (SNMP) defines a method by which a remote user<br />

can view or change management information for a device (a host, gateway, server, etc.).<br />

A monitoring or management application on the remote user's system uses the protocol to<br />

communicate with an SNMP agent on the device to access the management data.<br />

The SNMP agent on each device can provide information about the device's network<br />

configuration and operations, such as the device's network interfaces, routing tables, IP<br />

packets sent and received, and IP packets lost. This information, called SNMP objects, is<br />

stored in a standard format defined in the Management Information Base (MIB). The MIB<br />

defines the SNMP objects that can be managed and the format for each object.<br />

The SNMP protocol together with the MIB provide a standard way to view and change<br />

network management information on devices from different vendors. Any application that<br />

implements SNMP can access MIB data on a specified device. For a detailed description of<br />

SNMP, see Request for Comments (RFC) 1157. For a description of the MIB, see RFC 1213. The<br />

MIB information used by <strong>WhatsUp</strong> <strong>Gold</strong> is contained in MIB files in the MIB directory<br />

(..\Program Files\<strong>Ipswitch</strong>\<strong>WhatsUp</strong>\Data\Mibs).<br />

898

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