3com 2928 User Guide
1-3
z
Log-Trap: Logging event information in the event log table and sending a trap to the NMS.
z
None: No action.
Configuring RMON
Configuration Task List
Configuring the RMON statistics function
RMON statistics function can be implemented by either the statistics group or the history group, but the
objects of the statistics are different. You can choose to configure a statistics group or a history group
accordingly.
objects of the statistics are different. You can choose to configure a statistics group or a history group
accordingly.
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A statistics object of the statistics group is a variable defined in the Ethernet statistics table, and the
recorded content is a cumulative sum of the variable from the time the statistics entry is created to
the current time. Perform the tasks in
recorded content is a cumulative sum of the variable from the time the statistics entry is created to
the current time. Perform the tasks in
to configure RMON Ethernet statistics function.
z
A statistics object of the history group is the variable defined in the history record table, and the
recorded content is a cumulative sum of the variable in each period. Perform the tasks in
recorded content is a cumulative sum of the variable in each period. Perform the tasks in
to configure RMON history statistics function.
Table 1-1
RMON statistics group configuration task list
Task
Remarks
Required
You can create up to 100 statistics entries in a statistics table.
After a statistics entry is created on an interface, the system collects
You can create up to 100 statistics entries in a statistics table.
After a statistics entry is created on an interface, the system collects
statistics on various traffic information on the interface. It provides
statistics about network collisions, CRC alignment errors,
undersize/oversize packets, broadcasts, multicasts, bytes received,
packets received, and so on. The statistics are cleared after the device
reboots.
Only one statistics entry can be created on one interface.
Table 1-2
RMON history group configuration task list
Task
Remarks
Required
You can create up to 100 history entries in a history table.
After an entry is created, the system periodically samples the number of
You can create up to 100 history entries in a history table.
After an entry is created, the system periodically samples the number of
packets received/sent on the current interface, and saves the statistics as
an instance under the leaf node of the etherHistoryEntry table.
When you create an entry, if the value of the specified sampling interval is
identical to that of the existing history entry, the system considers their
configurations are the same and the creation fails.
identical to that of the existing history entry, the system considers their
configurations are the same and the creation fails.