重启跳过密码，进去后改console的密码命令是什么？

进入bootroom菜单清除Consle密码

通过conlse线和crt软件连接并登陆设备，然后把设备断电重启。控制台上会打印如下信息，当出现“press Ctrl+B”的时候快速按住“Ctrl+B” 进入botroom菜单

System is starting...
Press Ctrl+D to access BASIC-BOOTWARE MENU
Booting Normal Extend BootWare
The Extend BootWare is self-decompressing.......................Done!
BootWare Validating...
Press Ctrl+B to enter extended boot menu... 

BotWare password: Not required. Please press Enter to continue.

Password recovery capability is enabled.

Note: The current operating device is flash

Enter < Storage Device Operation > to select device.

      按住“Ctrl+B”进入如下菜单。选择“<6> Skip Current System Configuration”跳过当前配置启动,不同设备可能不是数字6，

===========================<EXTEND-BOOTWARE MENU>===========================

|<1> Boot System                                                           |

|<2> Enter Serial SubMenu                                                  |

|<3> Enter Ethernet SubMenu                                                |

|<4> File Control                                                          |

|<5> Restore to Factory Default Configuration                              |

|<6> Skip Current System Configuration                                     |

|<7> BootWare Operation Menu                                               |

|<8> Clear Super Password                                                  |

|<9> Storage Device Operation                                              |

|<0> Reboot                                                                |

============================================================================

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+F: Format File System

Enter your choice(0-9): 6    

Flag Set Success.

然后输入0重启设备

===========================<EXTEND-BOOTWARE MENU>===========================

|<1> Boot System                                                           |

|<2> Enter Serial SubMenu                                                  |

|<3> Enter Ethernet SubMenu                                                |

|<4> File Control                                                          |

|<5> Restore to Factory Default Configuration                              |

|<6> Skip Current System Configuration                                     |

|<7> BootWare Operation Menu                                               |

|<8> Clear Super Password                                                  |

|<9> Storage Device Operation                                              |

|<0> Reboot                                                                |

============================================================================

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+F: Format File System

Enter your choice(0-9): 0

System is starting...

Press ENTER to get started.

3.2 如果不需要之前的配置信息的话

操作步骤：跳过启动文件后直接保存当前配置，再重启。

<H3C>save

The current configuration will be written to the device. Are you sure? [Y/N]:y

Please input the file name(*.cfg)[flash:/startup.cfg]

(To leave the existing filename unchanged, press the enter key):（输入回车）

flash:/startup.cfg exists, overwrite? [Y/N]:y

Validating file. Please wait...

Configuration is saved to device successfully.

<H3C>reboot

Start to check configuration with next startup configuration file, please wait.........DONE!

Current configuration may be lost after the reboot, save current configuration? [Y/N]:y

This command will reboot the device. Continue? [Y/N]:y

3.3 如果需要之前的配置信息的话

<H3C>

#Apr 26 12:02:07:166 2000 H3C SHELL/4/LOGIN:

 Trap 1.3.6.1.4.1.25506.2.2.1.1.3.0.1<hh3cLogIn>: login from Console

%Apr 26 12:02:07:306 2000 H3C SHELL/5/SHELL_LOGIN: Console logged in from aux0.

<H3C>dir  %查看设备配置文件

Directory of flash:/

   1     drw-         -  Apr 26 2000 12:00:20   logfile

   2     -rw-      1666  Apr 26 2000 12:05:39   startup.cfg

   3     -rw-      1556  Apr 26 2000 12:05:33   _startup_bak.cfg

   4     -rw-       151  Apr 26 2000 12:05:30   system.xml

29106 KB total (16876 KB free) 

给设备和电脑配置成同网段IP地址（举例：WAC配置成192.168.100.1，电脑配置成192.168.100.2），在电脑上通过3CD软件搭建tftp服务器。

<H3C>sys

System View: return to User View with Ctrl+Z.

[H3C]interface Vlan-interface 1

[H3C-Vlan-interface1]ip address 192.168.100.1 24

[H3C-Vlan-interface1]quit

[H3C]ping 192.168.100.2

  PING 192.168.100.2: 56  data bytes, press CTRL_C to break

    Reply from 192.168.100.2: bytes=56 Sequence=1 ttl=128 time=7 ms

    Reply from 192.168.100.2: bytes=56 Sequence=2 ttl=128 time=2 ms

<H3C>tftp 192.168.100.2 put startup.cfg
 
  File will be transferred in binary mode
  Sending file to remote TFTP server. Please wait... |
  TFTP:     1666 bytes sent in 0 second(s).
  File uploaded successfully.

<H3C>

下载成功：

可以到本地相关路径（此例子中是E盘）查看到相关文件。

需要恢复之前配置

解决方法：删除密码恢复之前配置文件

使用记事本打开startup.cfg文件

删除aux0口下的认证方式和密码并保存文件

覆盖当前配置文件

<H3C>tftp 192.168.100.20 get startup.cfg

The file startup.cfg exists. Overwrite it? [Y/N]:y

  Verifying server file...

  Deleting the old file, please wait...

  ...

  File will be transferred in binary mode

  Downloading file from remote TFTP server, please wait....

  TFTP:     1166 bytes received in 0 second(s)

  File downloaded successfully.

<H3C>reboot

Start to check configuration with next startup configuration file, please wait.........DONE!

Current configuration may be lost after the reboot, save current configuration? [Y/N]:n 不保存配置

This command will reboot the device. Continue? [Y/N]:y 确定继续重启