D-Link DFE-2600 manual Group Name Description

RMON utility viewer provides you with functionality through an easy-to-use interface especially designed for management of RMON compliant devices.

Network management works by placing a small degree of intelligence into network devices (routers, bridges, hubs, NIC , etc.) to be managed. This intelligence takes the form of an agent that is capable of collecting statistics and status information, as well as performing control operations that affect the operation of the network. The agent responds to queries for information from the centralized network management system, allowing the health and performance of the network to be monitored and controlled.

RMON, an acronym for Remote MONitoring, was developed by the IETF (Internet Engineering Task Force) to provide a standard protocol for moni- toring and managing different groups of information over a network. The features of RMON are organized into cohesive collections simply called groups. These groups are the basic unit of conformance.

The D-Link devices utilize four key RMON groups. These four groups are described in the table below.

Group Name	Description
Statistics	Contains statistics measured by the agent
	for each monitored Ethernet interface on
	this device. This includes, but is not limited
	to, packets, octets, broadcasts, multicasts,
	collisions on the total segment, and the
	number of dropped packets by the agent.
History	Records periodic statistical samples from an
	Ethernet network and stores them for later
	retrieval. With this group, comparisons
	with current statistics can be made and fore-
	casts about segment performance can be
	inferred.
Alarm	Periodically takes statistical samples from
	variables in the agent and compares them to

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