维护 MX2020 MPC
目的
路由器最多可将 20 个模块化端口集中器 (MPC) 垂直安装在机箱正面的 MPC 卡架中。要获得最佳路由器性能,请验证 MPC 的情况。
行动
定期:
检查每个 MPC 插槽正上方操作员接口上的 LED。当 MPC 正常运行时,绿色 LED 标记为 OK 的灯会稳定出现。
检查 MPC 上的 “确定/失败” LED。有关更多信息,请参阅 MX 系列接口模块参考。如果 MPC 检测到故障,MPC 会向路由引擎发送告警消息。
通过发出 CLI
show chassis fpc
命令检查已安装 MPC 的状态,检查已安装的 MPC 的状态。如示例输出所示,标记为状态的列中的值 Online 表示 MPC 运行正常:user@host> show chassis fpc Temp CPU Utilization (%) Memory Utilization (%) Slot State (C) Total Interrupt DRAM (MB) Heap Buffer 0 Empty 1 Empty 2 Empty 3 Empty 4 Online 28 11 0 2048 15 14 5 Empty 6 Empty 7 Online 30 8 0 2048 14 13 8 Online 29 10 0 2048 11 13 9 Online 31 12 0 2048 16 14 10 Present 28 11 Online 38 16 2 2048 16 14 12 Empty 13 Empty 14 Empty 15 Online 36 11 0 2048 15 14 16 Empty 17 Empty 18 Online 31 10 0 2048 18 13 19 Empty
有关更详细的输出,请添加 详细信息 选项。以下示例未指定插槽编号(可选):
user@host> show chassis fpc detail Slot 4 information: State Online Temperature 28 Total CPU DRAM 2048 MB Total RLDRAM 1036 MB Total DDR DRAM 11264 MB Start time: 2012-11-26 16:20:07 PST Uptime: 18 hours, 6 minutes, 1 second Max Power Consumption 610 Watts Slot 7 information: State Online Temperature 30 Total CPU DRAM 2048 MB Total RLDRAM 1036 MB Total DDR DRAM 6656 MB Start time: 2012-11-26 16:20:12 PST Uptime: 18 hours, 5 minutes, 56 seconds Max Power Consumption 520 Watts Slot 8 information: State Online Temperature 29 Total CPU DRAM 2048 MB Total RLDRAM 662 MB Total DDR DRAM 2560 MB Start time: 2012-11-26 16:20:18 PST Uptime: 18 hours, 5 minutes, 50 seconds Max Power Consumption 348 Watts Slot 9 information: State Online Temperature 31 Total CPU DRAM 2048 MB Total RLDRAM 1036 MB Total DDR DRAM 11264 MB Start time: 2012-11-26 17:34:36 PST Uptime: 16 hours, 51 minutes, 32 seconds Max Power Consumption 610 Watts Slot 10 information: State Present Temperature 28 Total CPU DRAM 0 MB Total RLDRAM 0 MB Total DDR DRAM 0 MB Max Power Consumption 440 Watts Slot 11 information: State Online Temperature 38 Total CPU DRAM 2048 MB Total RLDRAM 1036 MB Total DDR DRAM 11264 MB Start time: 2012-11-26 16:20:33 PST Uptime: 18 hours, 5 minutes, 35 seconds Max Power Consumption 610 Watts Slot 15 information: State Online Temperature 36 Total CPU DRAM 2048 MB Total RLDRAM 1036 MB Total DDR DRAM 11264 MB Start time: 2012-11-26 16:20:40 PST Uptime: 18 hours, 5 minutes, 28 seconds Max Power Consumption 610 Watts Slot 18 information: State Online Temperature 31 Total CPU DRAM 2048 MB Total RLDRAM 1324 MB Total DDR DRAM 5120 MB Start time: 2012-11-26 16:20:46 PST Uptime: 18 hours, 5 minutes, 22 seconds Max Power Consumption 440 Watts
发出 CLI
show chassis fpc pic-status
命令。MPC 插槽编号为 0 到 9 (底部), 10 到 19 (上),从左到右:user@host> show chassis fpc pic-status Slot 4 Online MPC4E 3D 2CGE+8XGE PIC 0 Online 4x10GE SFPP PIC 1 Online 1X100GE CFP PIC 2 Online 4x10GE SFPP PIC 3 Online 1X100GE CFP Slot 7 Online MPCE Type 3 3D PIC 0 Online 1X100GE CFP PIC 2 Online 1x 10GE XFP PIC 3 Online 1x 10GE XFP Slot 8 Online MPC Type 2 3D PIC 0 Online 1x 10GE XFP PIC 1 Online 1x 10GE XFP PIC 2 Online 10x 1GE(LAN) SFP PIC 3 Online 10x 1GE(LAN) SFP Slot 9 Online MPC4E 3D 32XGE PIC 0 Online 8X10GE SFPP PIC 1 Online 8X10GE SFPP PIC 2 Online 8X10GE SFPP PIC 3 Online 8X10GE SFPP Slot 10 Present MPC 3D 16x 10GE Slot 11 Online MPC4E 3D 32XGE PIC 0 Online 8X10GE SFPP PIC 1 Online 8X10GE SFPP PIC 2 Online 8X10GE SFPP PIC 3 Online 8X10GE SFPP Slot 15 Online MPC4E 3D 2CGE+8XGE PIC 0 Online 4x10GE SFPP PIC 1 Online 1X100GE CFP PIC 2 Online 4x10GE SFPP PIC 3 Online 1X100GE CFP Slot 18 Online MPC 3D 16x 10GE PIC 0 Online 4x 10GE(LAN) SFP+ PIC 1 Online 4x 10GE(LAN) SFP+ PIC 2 Online 4x 10GE(LAN) SFP+ PIC 3 Online 4x 10GE(LAN) SFP+
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。