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v
RMON
provides standard information that a network administrator can use to monitor, analyze,
and troubleshoot a group of distributed local area networks (LANs) and interconnecting
T-1/E-1 and T-2/E-3 lines from a central site.
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RMON
specifically defines the information that any network monitoring system will be
able to provide.
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The
latest level is RMON Version 2 (sometimes referred to as "RMON 2" or
"RMON2").
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RMON
can be supported by hardware monitoring devices (known as "probes")
or through software or some combination.
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A
software agent can gather the information for presentation to the network
administrator with a graphical user interface.
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A
number of vendors provide products with various kinds of RMON support.
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RMON
collects nine kinds of information, including packets sent, bytes sent, packets
dropped, statistics by host, by conversations between two sets of addresses,
and certain kinds of events that have occurred.
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A
network administrator can find out how much bandwidth or traffic each user is imposing
on the network and what Web sites are being accessed. Alarms can be set in order
to be aware of impending problems.
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