Shulou(Shulou.com)06/01 Report--

If you lost root password or router OS dose not work normally (OS crashed), you may recovery OS or password under BOOT loader mode.

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.

(Press ctrl-C and ctrl-X alternately to enter "BOOT" mode after the equipment is powered on)

Note) Check password

BOOT#

Interface Ethernet0, changed state to UP

BOOT# show password

password = "router"

BOOT#

Note)

Change root password (If you want to change from "router" to "abcd")

BOOT# config

BOOT(config)# passwd abcd abcd

password changed

root password change command under APOS environment(not BOOT loader)?/ b>

(If you want to change from "router" to "abcd")

router(config)# show user

Login Name Password User Level Timeout

root abcd ADMIN 0

router# config

router(config)# user change root abcd router (replace with new password)

router(config)# show user Login Name Password User Level Timeout

root router ADMIN 0

Note) Upgrade OS p_w_picpath 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

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

Under APOS mode, application p_w_picpath downloading procedure is the same as BOOT mode.

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.