Configuring Rmon; Rmon Monitoring Group Functions And Commands; Show Rmon Stats - Enterasys Matrix DFE-Gold Series Configuration Manual

clear smon vlan

Configuring RMON

RMON Monitoring Group Functions and Commands

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 11‐2 lists the RMON monitoring groups supported on Enterasys Matrix Series devices, each
group's function and the elements it monitors, and the associated configuration commands
needed.
Table 11-2 RMON Monitoring Group Functions and Commands
RMON
Group What It Does...
Statistics Records statistics measured
by the RMON probe for each
monitored interface on the
device.
History Records periodic statistical
samples from a network.
Alarm Periodically gathers statistical
samples from variables in the
probe and compares them
with previously configured
thresholds. If the monitored
variable crosses a threshold,
an event is generated.
Event Controls the generation
and notification of events
from the device.
What It Monitors...
Packets dropped, packets
sent, bytes sent (octets),
broadcast and multicast
packets, CRC errors,
oversized and undersized
packets, fragments, jabbers,
and counters for packets.
Sample period, number of
samples and item(s)
sampled.
Alarm type, interval, starting
threshold, stop threshold.
Event type, description, last
time event was sent.
Enterasys Matrix DFE-Gold Series Configuration Guide 11-13
CLI Command(s)

show rmon stats

("show rmon
page 11-15)
set rmon stats
("set rmon stats" on page 11-17)
clear rmon stats
("clear rmon stats" on page 11-17)
show rmon history ("show rmon
page 11-18)
set rmon history
("set rmon history" on page 11-19)
clear rmon history ("clear rmon
page 11-19)
show rmon alarm ("show rmon
page 11-20)
set rmon alarm properties
properties" on page 11-21)
set rmon alarm status ("set rmon alarm
on page 11-22)
clear rmon alarm ("clear rmon
page 11-23)
show rmon event ("show rmon
page 11-24)
set rmon event properties
properties" on page 11-25)
set rmon event status ("set rmon event
on page 11-25)
clear rmon event ("clear rmon
page 11-26)
Configuring RMON
stats" on
history" on
history" on
alarm" on
("set rmon alarm
status"
alarm" on
event" on
("set rmon event
status"
event" on