Allied Telesis AT-9000/28, User Manual

Page: 997 / 1278

AT-9000 Switch Command Line User’s Guide
Section X: Network Management 997
Creating an
Alarm - Example
2
This example creates an alarm that monitors the ingress broadcast traffic
on port 20. The RMON statistic is etherStatsBroadcastPkts and its OID is
1.3.6.1.2.1.16.1.1.1.6. The alarm triggers an event if the traffic exceeds
10,000 packets or falls below 1,000 packets per minute. Both thresholds
have the same event, which logs a message in the event log and sends an
SNMP trap when either threshold is crossed.
Phase 1: Creating the SNMP Community String and Activating SNMP
This example requires a community string because the event sends traps.
The community string will be called “Station12ap” and will have the host ID
addresses 149.211.243.12 and 149.211.243.75. Here are the steps to
create the community string, assign it the IP addresses of the host nodes
and activate SNMP on the switch.
awplus# show rmon alarm
Use the SHOW RMON ALARM
command to verify the
configuration of the new alarm.
Alarm Index = 1
Variable etherStatsPkts.22
Interval 60
Alarm Type rising and falling
Rising Threshold = 20000
Event Index = 3
Falling Threshold = 1000
Event Index = 3
Owner Agent
awplus> enable
Enter the Privileged Executive
mode from the User Executive
mode.
awplus# configure terminal
Enter the Global Configuration
mode.
awplus(config)# snmp-server
Activate SNMP on the switch with
the SNMP-SERVER command.
awplus(config)# snmp-server enable trap
Activate the transmission of traps
with the SNMP-SERVER ENABLE
TRAP command.
awplus(config)# snmp-server community Station12ap
rw
Create the community string with
the SNMP-SERVER
COMMUNITY command.
awplus(config)# snmp-server host 149.211.243.12
traps version 2c Station12ap
awplus(config)# snmp-server host 149.211.243.75
traps version 2c Station12ap
Add the IP addresses of the trap
receivers to the community string
with the SNMP-SERVER HOST
command.