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| Basic Administration Protocols
Remote Monitoring
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Figure 270: Showing Configured RMON Events
CONFIGURING RMON
H
ISTORY SAMPLES
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.
CLI REFERENCES
â—† "Remote Monitoring Commands" on page 793
COMMAND USAGE
â—† Each index number equates to a port on the switch.
â—† If history collection is already enabled on an interface, the entry must
be deleted before any changes can be made.
â—† 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 162.
â—† 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 example, if control entry 15 is assigned to port
5, this index entry will be removed from the Show and Show Details
page for port 8.
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