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    维护 MX240 主机子系统

    用途

    为使路由器达到最佳性能,请确认主机子系统的情况。 主机子系统包含一个 SCB 和一个安装在该 SCB 中的路由引擎。

    操作

    定期:

    • 检查控制面板上的 LED,以查看有关路由引擎的状态信息。
    • 检查 SCB 面板上的 LED。
    • 检查路由引擎面板上的 LED。
    • 要检查路由引擎的状态,请输入 show chassis routing-engine 命令。 输出类似以下内容:
      user@host> show chassis routing-engine
      Routing Engine status:
        Slot 0:
          Current state                  Master
          Election priority              Master (default)
          Temperature                 45 degrees C / 113 degrees F
          CPU temperature             43 degrees C / 109 degrees F
          DRAM                      2048 MB
          Memory utilization          15 percent
          CPU utilization:
            User                       0 percent
            Background                 0 percent
            Kernel                     8 percent
            Interrupt                  0 percent
            Idle                      92 percent
          Model                          RE-S-1300
          Serial ID                      1000694968
          Start time                     2007-07-10 12:27:39 PDT
          Uptime                         1 hour, 40 minutes, 37 seconds
          Load averages:                 1 minute   5 minute  15 minute
                                             0.11       0.06       0.01
      Routing Engine status:
        Slot 1:
          Current state                  Backup
          Election priority              Backup (default)
          Temperature                 46 degrees C / 114 degrees F
          CPU temperature             42 degrees C / 107 degrees F
          DRAM                      2048 MB
          Memory utilization          13 percent
          CPU utilization:
            User                       0 percent
            Background                 0 percent
            Kernel                     0 percent
            Interrupt                  0 percent
            Idle                     100 percent
          Model                          RE-S-1300
          Serial ID                      1000694976
          Start time                     2007-06-19 14:17:00 PDT
          Uptime                         20 days, 23 hours, 51 minutes, 4 seconds
    • 要检查 SCB 的状态,请输入 show chassis environment cb 命令。 输出类似以下内容:
      user@host> show chassis environment cb
      CB 0 status:
        State                      Online Master
        Temperature                40 degrees C / 104 degrees F
        Power 1
          1.2 V                     1208 mV
          1.5 V                     1521 mV
          1.8 V                     1807 mV
          2.5 V                     2507 mV
          3.3 V                     3319 mV
          5.0 V                     5033 mV
          12.0 V                   12142 mV
          1.25 V                    1243 mV
          3.3 V SM3                 3312 mV
          5 V RE                    5059 mV
          12 V RE                  11968 mV
        Power 2
          11.3 V bias PEM          11253 mV
          4.6 V bias MidPlane       4814 mV
          11.3 V bias FPD          11234 mV
          11.3 V bias POE 0        11176 mV
          11.3 V bias POE 1        11292 mV
        Bus Revision               42
        FPGA Revision              1
      CB 1 status:
        State                      Online Standby
        Temperature                40 degrees C / 104 degrees F
        Power 1
          1.2 V                     1202 mV
          1.5 V                     1514 mV
          1.8 V                     1807 mV
          2.5 V                     2500 mV
          3.3 V                     3293 mV
          5.0 V                     5053 mV
          12.0 V                   12200 mV
          1.25 V                    1260 mV
          3.3 V SM3                 3319 mV
          5 V RE                    5059 mV
          12 V RE                  12007 mV
        Power 2
          11.3 V bias PEM          11311 mV
          4.6 V bias MidPlane       4827 mV
          11.3 V bias FPD          11330 mV
          11.3 V bias POE 0        11292 mV
          11.3 V bias POE 1        11311 mV
        Bus Revision               42
        FPGA Revision              1
      

    要检查特定 SCB 的状态,请输入 show chassis environment cb 命令,并包括该 SCB 的槽位号。 输出类似以下内容:

    user@host> show chassis environment cb 0
    CB 0 status:
      State                      Online
      Temperature Intake         66 degrees C / 150 degrees F
      Temperature Exhaust A      67 degrees C / 152 degrees F
      Temperature Exhaust B      73 degrees C / 163 degrees F
      Power
        1.2 V                     1153 mV
        1.5 V                     1417 mV
        1.8 V                     1704 mV
        2.5 V                     2375 mV
        3.3 V                     3138 mV
        5.0 V                     4763 mV
        1.2 V Rocket IO           1160 mV
        1.5 V Rocket IO           1408 mV
        1.8 V RLDRAM              1717 mV
      I2C Slave Revision         15
    

    有关使用 CLI 的详细信息,请参阅 Junos OS 文档。

    Published: 2014-05-09