3com DUA1750-2BAA01 Manual De Usuario

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.  

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 

 

 

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. 

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 

 

 

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 ]