HP 1920 Series User Manual page 109

Table 22 RMON alarm configuration task list
Displaying RMON running status
After you configure the RMON statistics function or the alarm function, you can view RMON running
status and verify the configuration by performing tasks in
Table 23 Displaying RMON running status
Downloaded from www.Manualslib.com
Task Remarks
Required.
You can create up to 100 statistics entries in a statistics table.
As the alarm variables that can be configured through the Web interface are MIB
variables that defined in the history group or the statistics group, configure the
RMON Ethernet statistics function or the RMON history statistics function on the
monitored Ethernet interface.
Configuring a statistics
entry
After you create a statistics entry on an interface, the system collects various traffic
statistics on the interface, including network collisions, CRC alignment errors,
undersize/oversize packets, broadcasts, multicasts, bytes received, and packets
received. The statistics are cleared at a reboot.
You can create only one statistics entry for one interface.
Required.
You can create up to 60 event entries for an event table.
An event entry defines event indexes and the actions the system takes, including
log the event, send a trap to the NMS, take no action, and log the event and send
Configuring an event
a trap to the NMS.
entry
You cannot create an entry if the values of the specified alarm variable, sampling
interval, sampling type, rising threshold and falling threshold are identical to those
of an existing entry in the system.
Required.
You can create up to 60 alarm entries for an alarm table.
With an alarm entry created, the specified alarm event is triggered when an
Configuring an alarm
abnormity occurs. The alarm event defines how to deal with the abnormity.
entry
You cannot create an entry if the values of the specified event description, owners,
and actions are identical to those of an existing entry in the system.
Task
Displaying RMON statistics
Displaying RMON history sampling
information
manuals search engine
IMPORTANT:
IMPORTANT:
IMPORTANT:
Table
Remarks
Display the interface statistics during the period from the time the
statistics entry is created to the time the page is displayed. The statistics
are cleared after the device reboots.
After you create a history control entry on an interface, the system
calculates the information of the interface periodically and saves the
information to the etherHistoryEntry table. You can perform this task to
display the entries in this table. When you configure the history group,
the system specifies the number of history sampling records that can be
displayed and the history sampling interval.
96
23.