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Ethernet Statistics Group
This group contains statistics measured on each port of the IntraChassis 9000.
These are cumulative counters which start at zero each time the IntraChassis
9000 is reset. The Statistics Group is automatically implemented by the
IntraChassis 9000.
Ethernet History Group
This group records periodic statistical samples from ports on the IntraChassis
9000 and stores them for later retrieval. A network manager can use the data to
analyze how network traffic has varied over a period of time.
Alarm Group
This group takes periodic statistical samples from variables in the IntraChassis
9000 and compares them to previously configured thresholds. If the monitored
variable crosses a threshold, an event is generated.
Event Group
This group controls the generation and notification of events from the
IntraChassis 9000. The Alarm and Event groups together allow the network
manager to configure RMON so that if a particular statistic such as the number
of bad frames goes higher than a certain level, the IntraChassis 9000 will send a
trap to its configured trap receivers, notifying the manager of the event. For
information on configuring trap receivers, see “SNMP Configuration” in
Chapter 3.
The IntraChassis 9000 switches provide control of the RMON groups only
through SNMP. Please see the documentation for your SNMP management
application for information.
For more information about RMON, please see RFC1757, “Remote Network
Monitoring Management Information Base”, available from the FTP site listed
in Appendix A.
Security
There are three security options you can use on ports of the IntraChassis 9000.
These are duplicated IP detection/trapping, station movement trapping, and
new node trapping.
GLXY9.book Page 8 Thursday, February 17, 2000 3:04 PM