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Chapter 13
| Basic Administration Protocols
Remote Monitoring
Configuring RMON
History Samples
To show configured RMON events:
1.
Click Administration, RMON.
2.
Select Configure Global from the Step list.
3.
Select Show from the Action list.
4.
Click Event.
Figure 269: Showing Configured RMON Events
Use the Administration > RMON (Configure Interface - Add - History) page to collect
statistics on a physical interface to monitor network utilization, packet types, and
errors. A historical record of activity can be used to track down intermittent
problems. The record can be used to establish normal baseline activity, which may
reveal problems associated with high traffic levels, broadcast storms, or other
unusual events. It can also be used to predict network growth and plan for
expansion before your network becomes too overloaded.
Command Usage
◆
Each index number equates to a port on the switch.
◆
If history collection is already enabled on an interface, the entry must be
deleted before any changes can be made.
◆
The information collected for each sample includes:
input octets, packets, broadcast packets, multicast packets, undersize packets,
oversize packets, fragments, jabbers, CRC alignment errors, collisions, drop
events, and network utilization.
For a description of the statistics displayed on the Show Details page, refer to
"Showing Port or Trunk Statistics" on page
◆
The switch reserves two index entries for each port. If a default index entry is re-
assigned to another port using the Add page, this index will not appear in the
Show nor Show Details page for the port to which is normally assigned. For
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