1.通过Xshell telnet连接到防火墙


防火墙IP地址为164.215.15.210或164.212.233.205

Connecting to 164.215.15.210...

Connection established.

To escape to local shell, press 'Ctrl+Alt+]'.


CXDS (ttyp0)


2.输入当前用户名及密码


login: admin用户名

Password:  密码


--- JUNOS 11.4R1.6 built 2011-11-15 12:44:14 UTC


3.修改密码


admin@CXDS> configure进入配置模式

Entering configuration mode


[edit]

admin@CXDS# set system login user admin authentication plain-text-password 设置密码

New password:

Retype new password:

输入并确认密码

[edit]

admin@CXDS# commit check检查配置是否正确

configuration check succeeds


[edit]

admin@CXDS# commit使配置生效

commit complete


[edit]

至此，密码修改成功。