3Com Switch 7700, Configuration Manual

Page: 362 / 390

354 C
HAPTER
11: S
YSTEM
M
ANAGEMENT
Configuring RMON RMON configuration includes tasks described in the following sections:
■
Adding and Deleting an Entry to or from the Alarm Table
■
Adding and Deleting an Entry to or from the Event Table
■
Adding and Deleting an Entry to or from the History Control Table
■
Adding and Deleting an Entry to or from the Extended RMON Alarm Table
■
Adding and Deleting an Entry to or from the Statistics Table
■
Displaying the RMON Configuration
Adding and Deleting an Entry to or from the Alarm Table
RMON alarm management can monitor the specified alarm variables, such as,
statistics on a port. When a value of the monitored data exceeds the defined
threshold, an alarm event will be generated. Generally, the event will be recorded
in the device log table and a Trap message will be sent to NMS. The events are
defined in event management. The alarm management includes browsing, adding
and deleting alarm entries.
Use the following commands to add or delete an entry to or from the alarm table.
Perform the following configuration in system view.
Adding and Deleting an Entry to or from the Event Table
RMON event management defines the event ID and handling of the event by
keeping logs, sending trap messages to NMS, or performing both at the same
time.
Use the following commands to add or delete an entry to or from the event table.
Perform the following configuration in system view.
Adding and Deleting an Entry to or 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 the total number of packets.
Table 59 Adding or Delete an Entry to or from the Alarm Table
Operation Command
Add an entry to the alarm table. rmon alarm entry-number alarm-variable
sampling-time { delta | absolute }
rising-threshold threshold-value1
event-entry1 falling-threshold
threshold-value2 event-entry2 [ owner text ]
Delete an entry from the alarm table. undo rmon alarm
entry-
number
Table 60 Add or Delete an Entry to or from the Event Table
Operation Command
Add an entry to the event table rmon event event-entry [ description string ]
{ log | trap trap-community | log-trap
log-trapcommunity | none } [ owner
rmon-station ]
Delete an entry from the event table undo rmon event event-entry