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  Password Recovery
2. Password Recovery
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Command log
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Note) If you lost root password or router OS dose not work normally (OS crashed), you may recovery OS or password under BOOT loader mode.
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Main function of BOOT LOADER
1. root password recovery/change
2. s/w downloading
Enter Bootloader mode>
After power reset or s/w reset, press ctrl-C and ctrl-X key alternately repeatedly, then you can see ¡°BOOT#¡± prompt.
Note) Check password
¡¡ BOOT#
Interface Ethernet0, changed state to UP
BOOT#
show password
password = router
BOOT#

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Note) Change root password (If you want to change from "router" to "abcd")
¡¡ BOOT# config
BOOT(config)#
passwd abcd abcd
password changed

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CF) root password change command under APOS environment(not BOOT loader)?/b>
¡¡ (If you want to change from ¡°router¡± to ¡°abcd¡±)
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¡¡ router(config)# show user
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Login Name Password User Level Timeout
--------------------------------------------------------------------------------------------------------
root abcd ADMIN 0

router# config
router(config)# user change root abcd router
router(config)# show user

Login Name Password User Level Timeout
--------------------------------------------------------------------------------------------------------
root router ADMIN 0


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Note) Upgrade OS image via ftp/tftp under PC or UNIX environment.
¡¡ ftp client : 192.71.192.2 (PC)
ftp server: 192.71.192.1 (router)
Note) router IP setting (Notice : BOOTER don't refer configuration value of APOS environment.)
¡¡ BOOT# config
BOOT(config)#
address 192.71.192.1 255.255.255.192
BOOT(config)# end

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Note) IP address setting confirm
¡¡ BOOT# show interface
Interface Configuration : ether0.0
IP address : 192.71.192.1 netmask : 255.255.255.192 mtu = 1500
Ethernet Address : 00 02 a4 99 99 01
Ethernet mode : FULL-DUPLEX
Operating speed : 100 Mbps
Line status : FULL DUPLEX
Operation is UP
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¡¡ Under APOS mode, application image downloading procedure is the same as BOOT mode.

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2. Password recovery & log in BOOT Loader with Boot Loader Version 2.2.5.

  • with loader 2.0 or later, you must know APOS root password to login into boot loader mode.

  • It has changed for security issue.og. After the login, the all of command is the same as old version.

  • If you lost root password, you can login with guest account. the password is "guest" for this.

  • After the login Log in as guest,to recovery password, you may move config mode, then change password.

  • but if you do it, all of configuration will be erased.

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step command
1 BOOT_login:

Interface Ethernet0, changed state to DOWN

BOOT_login: guest

BOOT_password:

BOOT> config

BOOT(config)> password router router

If you change the password, your configarion will be erased.

Are you sure you want to continue (y/n)? y

Erasing configuration....done

Password change completed !


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Title Down Hit
  auto-upgrade 416763
  How to Set Up PPTP 351103
  OS image and configuration Back/restore(upgrade) 362845
  Password Recovery 444278
  User account Management 443493
  Configuration 359803
  Line Protocol 358552
  Technical Training Guide - PDF File 349403
  E&M Guide - PDF File 353217
  Quick Operation Guide (VoIP Equipments) - PDF File 352150
  Easy-setup Software - EXE File 365806
  AP200 KT All Up Ace (v2.36) -EXE File 345869
  AP160 Easy-setup Software (beta version) - EXE File 348500
 
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