3Com Switch 4500 26-Port User Manual

290 CHAPTER 17: RMON CONFIGURATION
■ Add/Delete an Entry to/from the History Control terminal
■ Add/Delete an Entry to/from the extended RMON alarm table
■ Add/Delete an Entry to/from the Statistics table
Adding/Deleting an
Entry to/from the Alarm
Tab le
RMON alarm management can monitor the specified alarm variables such as the
statistics on a port. When a value of the monitored data exceeds the defined
threshold, an alarm event will be generated. Generally, the event will be recorded
in the device log table and a trap message will be sent to the NMS. The events are
defined in the event management. The alarm management includes browsing,
adding and deleting the alarm entries.
You can use the following commands to add/delete an entry to/from the alarm
table.
Perform the following configuration in System View.
Table 329 Add/Delete an Entry to/from the Alarm Table
Adding/Deleting an
Entry to/from the Event
Tab le
RMON event management defines the event ID and the handling of the event by
keeping logs, sending trap messages to NMS or performing both at the same
time.
You can use the following commands to add/delete an entry to/from the event
table.
Perform the following configuration in System View.
Table 330 Add/Delete an Entry to/from the Event Table
Adding/Deleting an
Entry to/from the
History Control Terminal
The history data management helps you set the history data collection, periodical
data collection and storage of the specified ports. The sampling information
includes the utilization ratio, error counts and total number of packets.
You can use the following commands to add/delete an entry to/from the history
control terminal.
Perform the following configuration in Ethernet Port View.
Operation Command
Add an entry to the alarm table. rmon alarm entry-number alarm-variable
sampling-time { delta | absolute }
rising-threshold threshold-value1
event-entry1 falling-threshold
threshold-value2 event-entry2 [ owner
text ]
Delete an entry from the alarm table. undo rmon alarm entry-number
Operation Command
Add an entry to the event table. rmon event event-entry [ description
string ] { log | trap trap-community |
log-trap log-trapcommunity | none } [
owner rmon-station ]
Delete an entry from the event table. undo rmon event event-entry

3Com Switch 4500 26-Port Specifications

General

Brand	3Com
Model	Switch 4500 26-Port
Category	Switch
Language	English