维护 MX2020 以太网交换机
目的
为获得最佳路由器性能,请验证连接到 MPC 设备的千兆以太网端口的状态。
行动
定期:
检查 MPC 面板上的 LED。对于各种 MIC,LED 状态的含义不同。有关更多信息,请参阅 MX 系列接口模块参考。
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
有关命令输出的进一步说明,请参阅 Junos OS 系统基础知识和服务命令参考。