Juniper命令行界面的两种模式

The CLI has two modes:
! Operational mode -- This mode displays the current router status. In operational
mode, you enter commands to monitor and troubleshoot the software, network
connectivity, and router.

操作模式 用于显示当前路由器的状态，输入命令监控和排错软件和网络连接性和路由器的问题

! Configuration mode -- A router configuration is stored as a hierarchy of
statements. In configuration mode, you enter these statements to define all
properties of the JUNOS software, including interfaces, general routing
information, routing protocols, user access, and several system hardware
properties.

配置模式 用于定义所有关系到JunOS软件的属性，包括接口，路由信息，路由协议，用户的访问和一些硬件上的属性，所有的语句是以结构化的方式保存的！