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    MX960 MPC 故障排除

    问题

    MPC 未正常工作。

    解决方案

    • 只要将 MPC 固定到正在运行的路由器中,便会监控控制面板上的 MPC 上方标记为 OK 的绿色 LED。

      路由引擎在以下两个条件下会将 MPC 软件下载到其中:路由引擎启动 Junos OS 时 MPC 已存在,以及安装了 MPC 并通过 CLI 或前面板上的按钮联机请求 IOC。 然后 MPC 运行诊断,在此期间 OK LED 闪烁。 当 MPC 联机并正常工作时,OK LED 稳定亮起为绿色。

    • 确保 MPC 正确固定到背板。 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 MPC 上的 OK/FAIL LED 以及控制面板上的 OKFAIL 线卡 LED。 当 MPC 联机并正常工作时,OK LED 稳定亮起为绿色。
    • 输入 show chassis fpc 命令检查已安装 MPC 的状态。 如示例输出所示,标记为 State 的列中的值 Online 表示 MPC 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         36      3          0       2048       14         13
        1  Online         40      5          0       2048       26         13
        2  Online         41      6          0       1024        7         43
        3  Online         43      5          0       1024       16         57
        4  Online         24      3          0       1024       13         21
        5  Empty   
        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 MPC 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                        33 degrees C / 91 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2009-12-22 12:26:54 PST
        Uptime:                               6 days, 3 hours, 8 minutes, 51 seconds
        Max Power Consumption             330 Watts
      Slot 1 information:
        State                                 Online    
        Temperature                        32 degrees C / 89 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      256 MB
        Total DDR DRAM                   4096 MB
        Start time:                           2009-12-22 12:26:54 PST
        Uptime:                               6 days, 3 hours, 8 minutes, 51 seconds
        Max Power Consumption             365 Watts
      Slot 2 information:
        State                                 Online    
        Temperature                        41 degrees C / 105 degrees F
        Total CPU DRAM                   1024 MB
        Total RLDRAM                      128 MB
        Total DDR DRAM                   2048 MB
        Start time:                           2009-12-22 12:26:46 PST
        Uptime:                               6 days, 3 hours, 8 minutes, 59 seconds
        Max Power Consumption             265 Watts
      Slot 3 information:
        State                                 Online    
        Temperature                        36 degrees C / 96 degrees F
        Total CPU DRAM                   2048 MB
        Total RLDRAM                      806 MB
        Total DDR DRAM                   2632 MB
        Start time:                           2009-12-22 12:27:04 PST
        Uptime:                               6 days, 3 hours, 8 minutes, 41 seconds
        Max Power Consumption             450 Watts
      Slot 4 information:
        State                                 Online    
        Temperature                        40 degrees C / 104 degrees F
        Total CPU DRAM                   2048 MB
        Total RLDRAM                     1324 MB
        Total DDR DRAM                   5120 MB
        Start time:                           2009-12-22 12:27:02 PST
        Uptime:                               6 days, 3 hours, 8 minutes, 43 seconds
        Max Power Consumption             440 Watts
      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
        Max Power Consumption             365 Watts
      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
        Max Power Consumption             440 Watts

      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