3Com DUA1750-2BAA01 48.3 Displaying and Debugging RMON

3Com Switch 8800 Configuration Guide Chapter 48 RMON Configuration
48-5
Delete an entry from the
history control table. undo rmon history entry-number
History control entry calculates various data at the sampling time interval.You can use
the display rmon history command to view the information of the history control entry.
48.2.5 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.
Table 48-7 Add/delete an entry to/from the statistics table
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
Statistics entry calculates the accumulated information starting from the time defined by
an event. You can use the display rmon history command to view the information of
the statistics entry.
48.3 Displaying and Debugging RMON
After the above configuration, execute the display command in any view to display the
running of the RMON configuration, and to verify the effect of the configuration.
Table 48-8 Display and debug RMON
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 ]
Display the extended alarm information
of RMON display rmon prialarm [ prialarm-table-entry ]
Display the RMON event display rmon event
[ event-table-entry ]