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    维护 MX2020 以太网交换机

    Purpose

    为实现最佳路由器性能,请确认连接到 MPC 设备的 Gb 以太网端口的状态。

    Action

    定期:

    • 检查 MPC 面板上的 LED。 不同 MIC 的 LED 状态的含义也不相同。 有关更多信息,请参阅 MX 系列 3D 通用边缘路由器线卡指南 PDF Document
    • 发出 CLI show chassis ethernet-switch 命令:
      user@host> show chassis ethernet-switch
      Displaying summary for switch 0
      Link is down on GE port 0 connected to device: FPC0
      
      Link is down on GE port 1 connected to device: FPC1
      
      Link is down on GE port 2 connected to device: FPC3
      
      Link is down on GE port 3 connected to device: FPC2
      
      Link is down on GE port 4 connected to device: FPC5
      
      Link is good on GE port 5 connected to device: FPC4
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on GE port 6 connected to device: FPC6
      
      Link is good on GE port 7 connected to device: FPC7
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is good on GE port 8 connected to device: FPC8
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on GE port 9 connected to device: FPC9
      
      Link is down on GE port 10 connected to device: FPC10
      
      Link is good on GE port 11 connected to device: FPC11
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on GE port 12 connected to device: FPC13
      
      Link is down on GE port 13 connected to device: FPC12
      
      Link is down on GE port 14 connected to device: FPC14
      
      Link is down on GE port 15 connected to device: FPC15
      
      Link is down on GE port 16 connected to device: FPC17
      
      Link is good on GE port 17 connected to device: FPC16
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is good on GE port 18 connected to device: FPC18
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on GE port 19 connected to device: FPC19
      
      Link is good on GE port 20 connected to device: Other RE-GigE
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is good on GE port 21 connected to device: RE-GigE
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on GE port 22 connected to device: Debug-GigE
      
      Link is good on GE port 23 connected to device: SPMB
        Speed is 1000Mb
        Duplex is full
        Autonegotiate is Enabled
        Flow Control TX is Disabled
        Flow Control RX is Disabled
      
      Link is down on XE port 24 connected to device: SFP+ 0
      
      Link is down on XE port 25 connected to device: SFP+ 1
      
      Link is down on XE port 26 connected to device: RE-10GigE
      
      Link is down on XE port 27 connected to device: Other RE-10GigE
      

      有关该命令的输出的更详细说明,请参阅 Junos OS 系统基础知识和服务命令参考 PDF Document

    Published: 2014-05-09