3Com Switch 8800 Configuration Guide Chapter 48 RMON Configuration48-5Delete an entry from thehistory control table. undo rmon history entry-numberHistory control entry calculates various data at the sampling time interval.You can usethe display rmon history command to view the information of the history control entry.48.2.5 Adding/Deleting an Entry to/from the Statistics TableThe RMON statistics management concerns the port usage monitoring and errorstatistics 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 tableOperation CommandAdd an entry to the statistics table rmon statistics entry-number [ ownertext-string ]Delete an entry from the statistics table undo rmon statistics entry-numberStatistics entry calculates the accumulated information starting from the time defined byan event. You can use the display rmon history command to view the information ofthe statistics entry.48.3 Displaying and Debugging RMONAfter the above configuration, execute the display command in any view to display therunning of the RMON configuration, and to verify the effect of the configuration.Table 48-8 Display and debug RMONOperation CommandDisplay 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 informationof RMONdisplay rmon prialarm[ prialarm-table-entry ]Display the RMON event display rmon event[ event-table-entry ]
