3Com Switch 4500 26-Port User Manual

Displaying and Debugging RMON 291
Tab le 331 Add/Delete an Entry to/from the History Control Terminal
Adding/Deleting an
Entry to/from the
Extended RMON Alarm
Table
You can use the command to add/delete an entry to/from the extended RMON
alarm table.
Perform the following configuration in System View.
Tab le 332 Add/Delete an Entry to/from the Extended RMON Alarm Table
Adding/Deleting an
Entry to/from the
Statistics Table
The RMON statistics management concerns the port usage monitoring and error
statistics when using the ports. The statistics include collision, CRC and queuing,
undersize packets or oversize packets, timeout transmission, fragments,
broadcast, multicast and unicast messages and the usage ratio of bandwidth.
You can use the following commands to add/delete an entry to/from the statistics
table.
Perform the following configuration in Ethernet Port View.
Tab le 333 Add/Delete an Entry to/from the Statistics Table
Displaying and
Debugging RMON
After the above configuration, execute the display command in all views to
display the running of the RMON configuration, and to verify the effect of the
configuration.
Tab le 334 Display and Debug RMON
Operation Command
Add an entry to the history
control terminal.
rmon history entry-number buckets number
interval sampling-interval [ owner text-string ]
Delete an entry from the
history control terminal.
undo rmon history entry-number
Operation Command
Add an entry to the extended
RMON alarm table.
rmon prialarm entry-number alarm-var [
alarm-des ] sampling-timer { delta |
absolute | changeratio } rising-threshold
threshold-value1 event-entry1
falling-threshold threshold-value2
event-entry2 entrytype { forever | cycle
cycle-period } [ owner text ]
Delete an entry from the
extended RMON alarm table.
undo rmon prialarm entry-number
Operation Command
Add an entry to the statistics table rmon statistics entry-number [ owner
text-string ]
Delete an entry from the statistics table undo rmon statistics entry-number
Operation Command
Display the RMON statistics display rmon statistics [ port-num ]
Display the history information of
RMON
display rmon history [ port-num ]
Display the alarm information of
RMON
display rmon alarm [ alarm-table-entry ]

3Com Switch 4500 26-Port Specifications

General

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