【正文】 ............... 78 VC 知識(shí) ........................................................................................................................................................................................... 78 如何建立 VC 組 .................................................................................................................................................................... 79 如何擴(kuò)充 VC 組交換機(jī) ...................................................................................................................................................... 80 如何利用 uplink 鏈路組成 VC ......................................................................................................................................... 81 如何對(duì) VC 組進(jìn)行切換 ...................................................................................................................................................... 83 SNMP 配置 ..................................................................................................................................................................................... 84 SYSLOG 配置 ..................................................................................................................................................................................... 85 3 交換機(jī)維護(hù)操作 ................................................................................................................................................................. 85 交換機(jī)啟動(dòng)和關(guān)閉 ......................................................................................................................................................................... 85 重新啟動(dòng) .................................................................................................................................................................................. 85 關(guān)閉 .......................................................................................................................................................................................... 86 配置備份和恢復(fù) ............................................................................................................................................................................. 86 配置備份 .................................................................................................................................................................................. 86 配置 恢復(fù) .................................................................................................................................................................................. 87 如何升級(jí)交換機(jī) OS ....................................................................................................................................................................... 88 如何恢復(fù)出廠設(shè)置 ......................................................................................................................................................................... 90 密碼恢復(fù) .......................................................................................................................................................................................... 90 日常維護(hù)命令 .................................................................................................................................................................................. 92 查看序列號(hào) show chassis hardware.............................................................................................................................. 92 查看硬件 show chassis hardware .................................................................................................................................. 92 查看軟件版本 show version.............................................................................................................................................. 92 查看 CPU show chassis routingengine........................................................................................................................ 92 ping 命令 ................................................................................................................................................................................. 92 第 5頁(yè) 共 111頁(yè) 查看設(shè)備告警信息 show chassis alarms ...................................................................................................................... 92 查看詳細(xì)的硬件溫度及狀態(tài)信息 show chassis environment ................................................................................ 92 收集 CASE 需要的信息 request support information ..................................................................................................... 92 4 附錄 ....................................................................................................................................................................................... 95 EX 交換機(jī)命令菜單結(jié)構(gòu) ............................................................................................................................................................... 95 證書生成例子 ................................................................................................................................................................................107 第 6頁(yè) 共 111頁(yè) 1 交換機(jī) 基礎(chǔ) 知識(shí) 認(rèn)識(shí) Juniper 交換機(jī) 產(chǎn)品型號(hào) 端口數(shù) 端口類型 PoE 端口數(shù) 最大電源容量 (包括 PoE容量 ) EX 320024T 24 10/100/1000BT 8 190 (320) W EX 320048T 48 10/100/1000BT 8 190 (320) W 第 7頁(yè) 共 111頁(yè) 產(chǎn)品型號(hào) 端口數(shù) 端口類型 PoE 端口數(shù) 最大電源容量 (包括 PoE容量 ) EX 420024T 24 10/100/1000BT 8 190 (320) W EX 420024F 24 100BFX/1000BX N/A 190 (190) W EX 420048T 48 10/100/1000BT 8 190 (320) W 第 8頁(yè) 共 111頁(yè) EX 交換機(jī) JUNOS 操作系統(tǒng)基礎(chǔ) Juniper 交換機(jī) 可以 采用 CLI(mandline interface)命令行配置方式，也可以采用 web 瀏覽器界面配置方式。本指導(dǎo)書主要是采用命令行的配置方式。系統(tǒng)初始化用戶名是 root，密碼是空。登錄到 交換機(jī) 上即進(jìn)入 交換機(jī) 的用戶模式： Example: login: ZTE Password: