5310交换机忘记密码重启找回，更改后又登不进去

1、通过BootWare菜单恢复Console口登录认证密码

若密码恢复功能开启（缺省）

重启设备

Ctrl+B  进入BootWare主菜单，选择<8>，

在设备启动时，临时清除当前配置的Console登录认证密码，此时设备不会删除上次启动时加载的配置文件。

Password recovery capability is enabled.

Note: The current operating device is flash

Enter < Storage Device Operation > to select device.

===========================<EXTENDED-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> Skip Authentication for Console Login                                 |

|<9> Storage Device Operation                                              |

|<0> Reboot                                                                |

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

Ctrl+Z: Access EXTENDED ASSISTANT MENU

Ctrl+F: Format File System

Ctrl+C: Display Copyright

Enter your choice(0-9): 8

(1)     系统出现如下提示信息表明临时清除Console口登录认证密码成功。

Clear Image Password Success!

(2)     当再次出现BootWare主菜单时，选择<1>，设备开始启动。

(3)     重启设备后，可以在系统视图下设置新的Console口登录认证模式和密码，例如：设置Console口验证方式为密码验证，且以明文方式设置Console口的密码为123456。

<Sysname> system-view

[Sysname] line console 0

[Sysname-line-console0] authentication-mode password

[Sysname-line-console0] set authentication password simple 123456

(4)     保存新配置。

[Sysname-line-console0] save

若密码恢复功能未开启

重启设备

Ctrl+B  进入BootWare主菜单

可以重启设备进入BootWare主菜单选择<5>，即恢复设备的出厂配置，此时设备会自动删除上次启动时使用的配置文件。

Password recovery capability is disabled.

Note: The current operating device is flash

Enter < Storage Device Operation > to select device.

===========================<EXTENDED-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> Skip Authentication for Console Login                                  |

|<9> Storage Device Operation                                               |

|<0> Reboot                                                                 |

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

Ctrl+Z: Access EXTENDED ASSISTANT MENU

Ctrl+F: Format File System

Ctrl+C: Display Copyright

Enter your choice(0-9): 5

(1)     系统出现如下提示信息，表明已经设置成功。

Because the password recovery capability is disabled, this operation can cause the configuration files to be deleted, and the system will start up with factory defaults. Are you sure to continue?[Y/N]Y

Setting...Done.

(2)     当再次出现BootWare主菜单时，选择<1>，设备开始启动。

(3)     重启设备后设备恢复出厂配置，在系统视图下可以设置新的Console口密码或Super Password，具体方法请参见3. (4)。

(4)     保存新配置。

[Sysname] save

2、通过命令行恢复Console口登录认证密码

通过Telnet或SSH登录设备修改Console口密码

如果用户可以通过Telnet或SSH方式登录设备，并且具有network-admin或者level-15的用户角色，则可以通过Telnet或SSH登录到设备后修改Console口密码，然后保存配置。以下步骤以Telnet为例。

(1)     使用具有network-admin或者level-15的Telnet账号登录设备。

(2)     修改Console用户的密码，修改为密码认证，密码为“admin”为例。

<H3C> system-view

[H3C] line console 0

[H3C-line-console0] authentication-mode password

[H3C-line-console0] set authentication password simple admin

[H3C-line-console0] return

(3)     为了防止重启后配置丢失，执行save命令保存配置。