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Knowledge Base

the steps for easy removing the AR G3 series router console password with configuration recovery

Publication Date:  2014-09-15  |   Views:  269  |   Downloads:  0  |   Author:  SU1001964967  |   Document ID:  EKB1000038652

Contents

Issue Description

the administrator has forgot the login password of the AR G3 series router, can not modify the configuration on the equipment. 

Alarm Information

none

Handling Process

product: AR1200&2200&3200
version: V200R003 and later

this documentation use AR1200 as a example:
//power on testing
BIOS Creation Date : Nov 15 2013, 14:25:32
DDR DRAM init : OK
Start Memory Test ? ('t' or 'T' is test):skip
Copying Data : Done
Uncompressing : Done
USB2 Host Stack Initialized.
USB Hub Driver Initialized
USBD  Wind River Systems, Inc. 562 Initialized
Octeon Host Controller Initialize......Done.


Press Ctrl+B to break auto startup ... 2  //Press “Ctrl+B” to enter Bootrom menu

Enter Password:******     //input the password “huawei”

Main Menu
    1. Default Startup
    2. Serial Menu
    3. Network Menu
    4. Startup Select
    5. File Manager
    6. Reboot
    7. Password Manager

Enter your choice(1-7):7        //select “7”,password manager
        PassWord Menu

    1. Modify the menu password
    2. Clear the console login password
    0. Return

Enter your choice(0-2):2     //select “2”, clear the console login passowrd
Clear the console login password Succeed!

        PassWord Menu

    1. Modify the menu password
    2. Clear the console login password
    0. Return

Enter your choice(0-2):0  //select “0”, return to the previous menu
        Main Menu

    1. Default Startup
    2. Serial Menu
    3. Network Menu
    4. Startup Select
    5. File Manager
    6. Reboot
    7. Password Manager

Enter your choice(1-7):6    //select “6”, reboot the equipment
BIOS Creation Date : Nov 15 2013, 14:25:32
DDR DRAM init : OK
Start Memory Test ? ('t' or 'T' is test):skip
Copying Data : Done
Uncompressing : Done
USB2 Host Stack Initialized.
USB Hub Driver Initialized
USBD  Wind River Systems, Inc. 562 Initialized
Octeon Host Controller Initialize......Done.


Press Ctrl+B to break auto startup ... 1
Enter auto startup

Now boot from flash:/ar1220-v200r005c10.cc, please wait...
Check Bootrom version
Check CPLD Version

Get CPLD0 file CPLD_ar1220.bin in packet
CPLD0 version is 0x11072400
CPLD0 in packet version is 0x11072400
CPLD0 version match

Check rootfs version
Get Kernel File Done
Uncompress Kernel Done

Create monitor process
Create cap process
Create vrp process

Initializing SMI Bus:OK
Initializing I2C Bus:OK
Backup Bootrom : done

DOPRA initialize..................OK
IAS initialize....................OK

VRP_SockTm_Init create............OK
VRP initialize
Create tasks......................OK
Initialize tasks..................OK
Recovering configuration..........OK



  Press any key to get started

<Huawei>    //login the equipment directly, and the configuration is recoverd at the same time.
<Huawei>system-view
[huawei]

Root Cause

login password forgotten.

Suggestions

from the AR V200R003, the bootrom menu has optimize the password recovery steps.