Enterasys C3 Configuration Guide 21-1
21
RMON Configuration
This chapter describes the commands used to configure RMON on a Enterasys C3 switch.
RMON Monitoring Group Functions
RMON (Remote Network Monitoring) provides comprehensive network fault diagnosis,
planning, and performance tuning information and allows for interoperability between SNMP
management stations and monitoring agents. RMON extends the SNMP MIB capability by
defining additional MIBs that generate a much richer set of data about network usage.
These MIB
“groups” each gather specific sets of data to meet common network monitoring requirements.
Table 21-1 lists the RMON monitoring groups supported on Enterasys C3 devices, each group’s
function and the elements it monitors, and the associated configuration commands needed.
For information about... Refer to page...
RMON Monitoring Group Functions 21-1
Design Considerations 21-2
Statistics Group Commands 21-3
History Group Commands 21-6
Alarm Group Commands 21-9
Event Group Commands 21-13
Filter Group Commands 21-16
Packet Capture Commands 21-21
Table 21-1 RMON Monitoring Group Functions and Commands
RMON
Group
What It Does... What It Monitors... CLI Command(s)
Statistics Records statistics
measured by the RMON
probe for each monitored
interface on the device.
Packets dropped, packets
sent, bytes sent (octets),
broadcast and multicast
packets, CRC errors,
oversized and undersized
packets, fragments, jabbers,
and counters for packets.
“show rmon stats” on
page 21-4
“set rmon stats” on
page 21-4
“clear rmon stats” on
page 21-5
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