3Com Switch 8807, Configuration Manual

Page: 750 / 883

750 C
HAPTER
65: RMON C
ONFIGURATION
Adding/Deleting an
Entry to/from the
History Control Table
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 table.
Perform the following configuration in Ethernet port view.
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.
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.
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.
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.
The result is less than the configured lower
limit threshold-value2
The defined event event-entry2 is triggered
Table 695 Handling the extended alarm entry
Case Processing
Table 696 Add/delete an entry to/from the history control table
Operation Command
Add an entry to the history control
table. rmon history entry - number buckets number interval
sampling - interval [ owner text - string ]
Delete an entry from the history
control table.
undo rmon history entry - number
Table 697 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