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    SNMP Statistic Reporting and Traps Task Summary

    IDP OS Release 5.1 supports extensive system resource instrumentation, so you can use SNMP utilities to monitor device health and load. Table 1 summarizes the categories of statistics you can monitor.

    Table 1: System Resource Instrumentation Categories

    Category

    Guidance

    SNMP MIB

    SNMP Traps

    Sensor: control plane CPU, memory, and disk usage statistics

    Monitor the health of the device in broad terms.

    Enabled (default)

    Enabled (default)

    Resource: IDP engine CPU utilization, session count per protocol, and session create rate

    Monitor resource utilization to understand the extent to which new attack objects or applications affect performance.

    Enabled (default)

    Enabled (default)

    Traffic: count and rate reporting for throughput and packet drops; count and rate of logs

    Monitor traffic to understand traffic volume and causes of packet drops.

    Enabled (default)

    -

    Rule: count for security policy rules and attack object matches

    We recommend you use NSM to analyze security statistics. We support SNMP reporting for cases where access to NSM is not immediately available.

    Enabled (default)

    -

    Interface: receive, transmit, and drop rates for interfaces; free packet buffer space; NIC status

    Monitor interface statistics and free packet buffer space to understand load at receive and transmit queues.

    Enabled (default)

    Enabled (default)

    Administration with system resource instrumentation features includes the following tasks:

    • Enabling SNMP and configuring communication with your SNMP manager.
    • Enabling or disabling statistic reporting by category. Reporting consumes resources. Disable reporting for statistics you do not use or if necessary to work around performance issues.
    • Enabling or disabling trap reporting by category. Disable traps if you do not use them.
    • Tuning trap thresholds. If desired, change the default values to thresholds.
    • Using an SNMP manager or utility to view MIB data and trap notifications.

    Published: 2011-02-08