would you like to enter the initial configuration dialog?[yes/no]:yes
步骤2 当下列信息出现时，请输入yes 以进入基本管理设置：
at any point you may enter a question mark '?' for help.
use ctrl-c to abort configuration dialog at any prompt.
default settings are in square brackets '[]'.
basic management setup configures only enough connectivity for management of the system, extended setup will ask you to configure each interface on the system would you like to enter basic management setup?[yes/no]:yes
步骤3 输入路由器的主机名（本示例使用router）：
configuring global parameters:enter host name [router]:router
步骤4 输入特权加密密码。该密码是加密的（更安全）并且查看配置时不能看到它：
the enable secret is a password used to protect access to privileged exec and configuration modes.this password, after entered, becomes encrypted in the configuration.
enter enable secret:xxxxxx
步骤5 输入不同于特权加密密码的特权密码。该密码未加密（不十分安全）并且查看配置时能看到它：
the enable password is used when you do not specify an enable secret password, with some older software versions, and some boot images.
enter enable password:xxxxxx
步骤6 输入虚拟终端密码，此密码防止通过控制台端口以外的端口进行未授权的访问：
the virtual terminal password is used to protect access to the router over a network interface.