(1)用串口线连接配置终端和设备，然后重启设备，当终端屏幕上出现“Press Ctrl+B to accessEXTENDED-BOOTWARE MENU...” 的3秒钟之内，键入 Ctrl+B ，系统将进入BootWare主菜单。
System is starting...
Press Ctrl+D to access BASIC-BOOTWAREMENU...
Press Ctrl+T to start memory test
Booting Normal Extended BootWare
The Extended BootWare isself-decompressing.........Done.
****************************************************************************
**
*H3C BootWare, Version1.13*
**
****************************************************************************
CompiledDate : Mar 10 2014
CPUType: XLP316
CPU ClockSpeed : 1200MHz
MemoryType : DDR3 SDRAM
MemorySize : 8192MB
Memory Speed: 667MHz
BootWareSize : 1536KB
FlashSize : 500MB
BASIC CPLD Version: 1.0
EXTENDED CPLD Version : 1.0
PCBVersion : Ver.A
BootWare Validating...
PressCtrl+B to access EXTENDED-BOOTWARE MENU...
(2)键入“5”并回车，恢复出厂默认配置。
Passwordrecovery capability is disabled.
Note: The current operating device isflash
Enter Storage Device Operation to select device.
========================== EXTENDED-BOOTWAREMENU ==========================
| 1 BootSystem |
| 2 Enter SerialSubMenu|
| 3 Enter EthernetSubMenu|
| 4 FileControl|
| 5 Restore to Factory Default Configuration|
| 6 Skip Current SystemConfiguration|
| 7 BootWare OperationMenu|
| 8 Skip Authentication forConsoleLogin|
| 9 Storage DeviceOperation|
| 0 Reboot|
============================================================================
Ctrl+Z: Access EXTENDED ASSISTANTMENU
Ctrl+F: Format File System
Enter your choice(0-9): 5
Because the password recoverycapability is disabled, this operation can
cause the configuration files to bedeleted, and the system will start up
with factory defaults. Are you sureto continue?[Y/N]Y
Setting...Done.
(3)重启设备，以出厂默认配置启动。
========================== EXTENDED-BOOTWAREMENU ==========================
| 1 BootSystem|
| 2 Enter SerialSubMenu|
| 3 Enter EthernetSubMenu|
| 4 FileControl|
| 5 Restore to Factory DefaultConfiguration|
| 6 Skip Current SystemConfiguration|
| 7 BootWare OperationMenu|
| 8 Skip Authentication forConsoleLogin|
| 9 Storage DeviceOperation|
| 0 Reboot|
============================================================================
Ctrl+Z: Access EXTENDED ASSISTANTMENU
Ctrl+F: Format File System
Enter your choice(0-9): 0
System is starting...
Booting Normal Extend BootWare
The Extend BootWare isself-decompressing.................................
Done.
(4)设备以出厂默认配置启动后，通过Console口登录时不需要认证。登录后请及时修改Console口密码（假设认证方式为password方式）。
Sysname system-view
[Sysname] line console 0
[Sysname-line-console0] authentication-modepassword
[Sysname-line-console0] setauthentication password simple 12345678
[Sysname-line-console0] return
(5)为防止重启后配置丢失，请保存配置。
Sysname save
The current configuration will bewritten to the device. Are you sure? [Y/N] :y
Please input the filename(*.cfg)[flash:/default.cfg]
(To leave the existing filenameunchanged, press the enter key):default.cfg
Validating file. Please wait....
Saved the current configuration tomainboard device successfully.
2.2 遗忘Telnet登录密码如果Telnet登录密码丢失，可以通过Console口登录设备后重新配置Telnet登录密码。
(1)通过Console口登录设备。
(2)对VTY用户（下面以VTY0～63为例）配置密码123456，并保存配置。
Sysname system-view
[Sysname] line vty 0 63
[Sysname-line-vty0-63] authentication-mode password
[Sysname-line-vty0-63] setauthentication password simple 123456
[Sysname-line-vty0-63] return
Sysname save
The current configuration will bewritten to the device. Are you sure? [Y/N] :y
Please input the filename(*.cfg)[flash:/default.cfg]
(To leave the existing filenameunchanged, press the enter key):default.cfg
Validating file. Please wait....
Saved the current configuration tomainboard device successfully
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