Juniper Networks J-Series - Manual (Page 72)

sampling interval is greater than this threshold, the SNMP health monitor generates
an alarm. After the falling alarm, the health monitor cannot generate another alarm
until the sampled value rises above the falling threshold and reaches the rising
threshold.
The interval represents the period of time, in seconds, over which the object instance
is sampled and compared with the rising and falling thresholds.
At present, you do not have to configure a separate trap for the SNMP health monitor,
because it uses the already existing RMON traps. For more information about RMON
events and alarms, see the JUNOS Network Management Configuration Guide.
To display the information collected by the SNMP health monitor, use the following
CLI
show snmp health-monitor commands:
■ show snmp health-monitor
■ show snmp health-monitor alarms
■ show snmp health-monitor alarms detail
■ show snmp health-monitor logs
For more information, see the JUNOS System Basics and Services Command Reference.
Before You Begin
Before you begin configuring SNMP, complete the following tasks:
■ Establish basic connectivity. See the Getting Started Guide for your router.
■ Configure network interfaces. See the J-series Services Router Basic LAN and WAN
Access Configuration Guide.
Configuring SNMP with Quick Configuration
J-Web Quick Configuration allows you to define system identification information,
create SNMP communities, create SNMP trap groups, and configure health monitor
options. Figure 7 on page 50 shows the Quick Configuration page for SNMP.
Figure 7: Quick Configuration Page for SNMP
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To configure SNMP features with Quick Configuration:
1. In the J-Web user interface, select Configuration>Quick Configuration>SNMP.
2. Enter information into the Quick Configuration page for SNMP, as described in
Table 30 on page 51.
3. From the SNMP Quick Configuration page, click one of the following buttons:
50 ■ Before You Begin
J-series™ Services Router Administration Guide