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Verifying the SNMP Configuration

To verify the SNMP configuration, perform the following verification task.

Verifying SNMP Agent Configuration

Purpose

Verify that SNMP is running and that requests and traps are being properly transmitted.

Action

From the CLI, enter the show snmp statistics command.

   
user@host> show snmp statistics 
SNMP statistics:
  Input:
    Packets: 246213, Bad versions: 12 , Bad community names: 12,
    Bad community uses: 0, ASN parse errors: 96,
    Too bigs: 0, No such names: 0, Bad values: 0,
    Read onlys: 0, General errors: 0,
    Total request varbinds: 227084, Total set varbinds: 67,
    Get requests: 44942, Get nexts: 190371, Set requests: 10712,
    Get responses: 0, Traps: 0,
    Silent drops: 0, Proxy drops: 0, Commit pending drops: 0,
    Throttle drops: 0,
  V3 Input:
    Unknown security models: 0, Invalid messages: 0
    Unknown pdu handlers: 0, Unavailable contexts: 0
    Unknown contexts: 0, Unsupported security levels: 1
    Not in time windows: 0, Unknown user names: 0
    Unknown engine ids: 44, Wrong digests: 23, Decryption errors: 0
  Output:
    Packets: 246093, Too bigs: 0, No such names: 31561,
    Bad values: 0, General errors: 2,
    Get requests: 0, Get nexts: 0, Set requests: 0,
    Get responses: 246025, Traps: 0

What it Means

The output shows a list of the SNMP statistics, including details about the number and types of packets transmitted. Verify the following information:

For more information about show snmp statistics, see the JUNOS System Basics and Services Command Reference.

Verifying SNMP Health Monitor Configuration

Purpose

Verify that the SNMP health monitor thresholds are set correctly and that the health monitor is operating properly.

Action

From the CLI, enter the show snmp health-monitor command.

   
user@host> show snmp health-monitor 
Alarm
Index  Variable description                           Value State

 32768 Health Monitor: root file system utilization
       jnxHrStoragePercentUsed.1                         70 active

 32769 Health Monitor: /config file system utilization
       jnxHrStoragePercentUsed.2                          0 active

 32770 Health Monitor: RE 0 CPU utilization
       jnxOperatingCPU.9.1.0.0                           20 active

 32772 Health Monitor: RE 0 memory utilization
       jnxOperatingBuffer.9.1.0.0                        95 rising threshold

 32774 Health Monitor: jkernel daemon memory usage
       Init daemon                                      912 active
       Chassis daemon                                 93356 active
       Firewall daemon                                 2244 active
       Interface daemon                                3340 active
       SNMP daemon                                     4412 active
       MIB2 daemon                                     3920 active
       VRRP daemon                                     2724 active
       Alarm daemon                                    1868 active
       PFE daemon                                      2656 active
       CRAFT daemon                                    2064 active
       Traffic sampling control daemon                 3320 active
       Remote operations daemon                        3020 active
       CoS daemon                                      3044 active
       Inet daemon                                     1304 active
       Syslog daemon                                   1344 active
       Web management daemon                           3264 active
       USB Supervise Daemon                            1100 active
       PPP daemon                                      2076 active
       DLSWD daemon                                   10240 active

 32775 Health Monitor: jroute daemon memory usage
       Routing protocol daemon                         8952 active
       Management daemon                              14516 active
       Management daemon                              14556 active
       Management daemon                              14556 active
       Command line interface                         10312 active
       Command line interface                         10312 active
       Periodic Packet Management daemon               1640 active
       Bidirectional Forwarding Detection daemon       1912 active
       L2 Address Learning daemon                      2080 active

 32776 Health Monitor: jcrypto daemon memory usage
       IPSec Key Management daemon                     5672 active

 32778 Health Monitor: FWDD Micro-Kernel threads total CPU Utilization
       jnxFwddMicroKernelCPUUsage.0                       0 active

 32779 Health Monitor: FWDD Real-Time threads total CPU Utilization
       jnxFwddRtThreadsCPUUsage.0                        15 active

 32780 Health Monitor: FWDD DMA Memory utilization
       jnxFwddDmaMemUsage.0                              16 active

 32781 Health Monitor: FWDD Heap utilization
       jnxFwddHeapUsage.0                                54 active

---(more)---

What it Means

The output shows a summary of SNMP health monitor alarms and corresponding log entries:

Verify that any rising threshold values are greater than the configured rising threshold, and that any falling threshold values are less than the configured falling threshold.

For more information about the show snmp health-monitor command, see the JUNOS System Basics and Services Command Reference.

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