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R
M
(RMON)
EMOTE
ONITORING
B
T
ECHNOLOGY
This appendix provides an overview of RMON and describes the specific
CoreBuilder
RMON implementation.
™
What Is RMON?
The Remote Monitoring (RMON) Management Information Base (MIB)
provides a way to monitor and analyze a local area network LAN from a
remote location. RMON is defined by the Internet Engineering Task Force
(IETF) in documents RFC 1271 and RFC 1757. A typical RMON
implementation has two components:
Probe — Connects to a LAN segment, examines all the LAN traffic on that
segment and keeps a summary of statistics (including historical data) in its
local memory.
Management Console — Communicates with the probe and collects the
summarized data from it. The console does not need to reside on the same
network as the probe. It can manage the probe through SNMP or through
out-of-band connections.
The RMON specification consists almost entirely of the definition of the MIB.
The RMON MIB contains standard MIB variables defined to collect
comprehensive network statistics that alert a network administrator to
significant network events. If the embedded RMON agent operates full time,
it collects data on the correct port when the relevant network event occurs.
This appendix includes the following information about RMON:
Benefits of RMON
CoreBuilder RMON implementation
RMON groups
Management Information Base (MIB)
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