RMON Overview

Remote Monitoring (RMON) is a standards-based network management tool that allows you to efficiently and effectively monitor segments throughout the network. You can use RMON to identify and isolate potential problems in your network before disruptions occur.

RMON-compliant devices operate without impacting network operation. They function as promiscuous devices, which listen to and capture data on the network, but do not add additional traffic.

The following sections describe:

RMON Architecture

Ethernet RMON Groups

RMON Architecture

RMON technology requires two components within a network:

RMON Probe

RMON Client

RMON Probe

An RMON probe contains both hardware and software, and is referred to as the RMON agent. As a promiscuous device, the RMON probe:

Observes packets on the network

Captures packets that match user-defined criteria

Stores packets from the network segment

Through the packet capture and store feature, the RMON agent provides an extensive set of Ethernet-based statistics to the network manager.

1 - 2 Ethernet RMON MultiProbe Module Installation and Operation Guide

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3Com RMON-EMP-3 installation and operation guide Rmon Overview, Rmon Architecture, Rmon Probe