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    Troubleshooting SNMP Statistic Reporting

    Problem

    Many SNMP query tools indicate the cause of SNMP reporting failures, such as an unreachable host. If necessary, you can investigate the status of the health monitoring daemon (HMD) and snmpd processes on the IDP Series device.

    Solution

    SNMP statistic and trap reporting depend on the health of the HMD and the SNMP reporting daemon (snmpd) that run on the IDP Series device. Figure 1 illustrates collection via HMD and reporting via SNMP.

    Figure 1: SNMP Statistic Report Processes

    Image g036655.gif

    Table 1 describes troubleshooting steps.

    Table 1: Diagnosing Problems with SNMP Reporting

    Symptom

    Troubleshooting Steps

    SNMP query times out.

    1. Use the following command to query the status of the health monitoring daemon:


      [root@defaulthost ~]# idpHMD.sh status
      idpHMD (pid 13691).................................ON
      

      If necessary, use the following command to restart the service:


      [root@defaulthost ~]# idpHMD.sh restart
    2. Use the following command to query the status of the SNMP agent:


      [root@defaulthost ~]# /sbin/service snmpd status
      snmpd (pid 4729) is running...
      

      If necessary, use the following command to restart the service:


      [root@defaulthost ~]# /sbin/service snmpd restart
    3. Use scio sri commands to verify that the category of statistics is enabled.
    4. In the NSM Device Manager, check the report settings to verify that SNMP reporting is enabled.

    Traps not received.

    1. Use the following command to query the status of the SNMP trap service:


      [root@defaulthost ~]# /sbin/service snmptrapd status
      snmpd (pid 4729) is running...
      

      If necessary, use the following command to restart the service:


      [root@defaulthost ~]# /sbin/service snmptrapd restart
    2. Use scio sri commands to verify that the category of statistics is enabled and the trap thresholds are expected values.
    3. In the NSM Device Manager, check the report settings to verify that SNMP reporting is enabled and that it specifies the expected SNMP manager IP address.

    Published: 2011-02-08