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    MX960 FPC 故障排除

    问题

    FPC 未正常工作。

    解决方案

    • 只要 FPC 位于固定在可运作路由器中,就监控控制面板上 FPC 上方标记为 OK 的绿色 LED。

      路由引擎在两种情况下下载 FPC 软件:路由引擎启动 Junos OS 时 FPC 存在,以及安装了 FPC 并通过 CLI 或前面板上的按钮联机请求 DPC。 然后 FPC 运行诊断,在此期间 OK LED 闪烁。 当 FPC 联机并正常工作时,OK LED 以绿色稳定点亮。

    • 确保 FPC 正确位于背板。 检查每个弹出器手柄是否已顺时针方向旋转并紧密不漏。
    • 检查 FPC 上的 OK/FAIL LED 以及控制面板上的 OKFAIL FPC LED。 当 FPC 联机并正常工作时,OK LED 以绿色稳定点亮。
    • 输入 show chassis fpc 命令检查已安装的 FPC 的状态。 如示例输出所示,标记为 State 的列中的值 Online 表示 FPC 正常工作:
      user@host> show chassis fpc
                    Temp  CPU Utilization (%)   Memory    Utilization (%)
      Slot State    (C)  Total  Interrupt      DRAM (MB) Heap     Buffer
        0  Online   24      3          0       1024       13         21
        1  Empty
        2  Online   41      9          0       1024       15         57
        3  Online   43      5          0       1024       16         57
        4  Online   43     11          0       1024       16         57
        5  Online   41      9          0       1024       15         57
        6  Online   43      5          0       1024       16         57
        7  Empty
        8  Empty
        9  Empty
        10 Online   24      3          0       1024       13         21
        11 Empty           
       

      注意: show chassis fpc 命令显示 FPC 的状态。

      要获得更详细的输出,请添加 detail 选项。 未指定槽位号时,此选项是可选的:

      user@host> show chassis fpc detail
      Slot 0 information:
        State                                 Online    
        Temperature                        24 degrees C / 75 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      128 MB
        Total DDR DRAM                   2048 MB
        Start time:                           2008-12-11 16:53:24 PST
        Uptime:                               15 hours, 2 minutes, 47 seconds
      Slot 2 information:
        State                                 Online    
        Temperature                        29 degrees C / 84 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2008-12-11 16:53:18 PST
        Uptime:                               15 hours, 2 minutes, 53 seconds
      Slot 3 information:
        State                                 Online    
        Temperature                        29 degrees C / 84 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2008-12-11 16:53:18 PST
        Uptime:                               15 hours, 2 minutes, 53 seconds
      Slot 4 information:
        State                                 Online    
        Temperature                        29 degrees C / 84 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2008-12-11 16:53:18 PST
        Uptime:                               15 hours, 2 minutes, 53 seconds
      Slot 5 information:
        State                                 Online    
        Temperature                        29 degrees C / 84 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2008-12-11 16:53:22 PST
        Uptime:                               15 hours, 2 minutes, 49 seconds
      Slot 6 information:
        State                                 Online    
        Temperature                        29 degrees C / 84 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2008-12-11 16:53:18 PST
        Uptime:                               15 hours, 2 minutes, 53 seconds
      Slot 10 information:
        State                                 Online    
        Temperature                        24 degrees C / 75 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      128 MB
        Total DDR DRAM                   2048 MB
        Start time:                           2008-12-11 16:53:24 PST
        Uptime:                               15 hours, 2 minutes, 47 seconds
      

      有关这些命令的输出的更详细说明,请参阅Junos OS 系统基础配置指南

    Published: 2014-05-09