3com 10002211 Manuel D’Utilisation
RMON Groups
B-3
RMON Groups
The CoreBuilder system supports seven of the RMON groups defined by the
Internet Engineering Task Force (IETF).
Internet Engineering Task Force (IETF).
groups.
RMON/FDDI Groups
The CoreBuilder system supports the RMON/FDDI extensions specified in
the AXON Enterprise-specific MIB.
the AXON Enterprise-specific MIB.
lists these supported groups.
Table B-1 RMON Groups Supported in the CoreBuilder System
Group
Group
Number
Number
Purpose
Statistics
1
Maintains utilization and error statistics for the
segment being monitored
segment being monitored
History
2
Gathers and stores periodic statistical samples
from the statistics group.
from the statistics group.
Alarm
3
Allows you to define thresholds for any MIB
variable and trigger an alarm.
variable and trigger an alarm.
Host
4
Discovers new hosts on the network by
keeping a list of source and destination
physical addresses seen in good packets.
keeping a list of source and destination
physical addresses seen in good packets.
HostTopN
5
Used to prepare reports that describe the
hosts that top a list ordered by one of their
statistics.
hosts that top a list ordered by one of their
statistics.
Matrix
6
Stores statistics for conversations between
pairs of addresses.
pairs of addresses.
Events
9
Allows you to define actions based on alarms.
You can generate traps, log the alarm, or both.
You can generate traps, log the alarm, or both.
Table B-2 RMON/FDDI Extension Groups Supported in the CoreBuilder System
Group
Group Number Purpose
axFDDI
axFDDI group 1 Maintains utilization and error statistics for the
segment being monitored
axFDDIHistory
axFDDI group 2 Gathers and stores periodic statistical samples
from the statistics group.