Zyxel ES-2108 - Manual
If you forget the password, how to reset the password to default?
via USB-serial adapter using screen:
sudo aptitude install screen lrzsz unzip
wget ftp://ftp2.zyxel.com/ES-2108/firmware/ES-2108_3.80\(ABK.2\)C0.zip
unzip ES-2108_3.80\(ABK.2\)C0.zip
cd 380ABK2C0
screen /dev/ttyUSB0 9600
*power on the switch*
Bootbase Version: V1.00 | 06/27/2005 11:59:40 RAM: Size = 32768 Kbytes DRAM POST: Testing: 32768K OK FLASH: AMD 32M *1 ZyNOS Version: V3.60(ABK.1) | 01/13/2006 14:28:19 Press any key to enter debug mode within 3 seconds. ............... Enter Debug Mode ES-2108> atlc Starting XMODEM upload (CRC mode).... CCCC
Press <CTRL+A> <:> then enter: "exec !! sx 380ABK2C0.rom"
CCCCSending 380ABK2C0.rom, 384 blocks: Give your local XMODEM receive command now. Xmodem sectors/kbytes sent: 0/ 0kRetry 0: NAK on sector Bytes Sent: 49152 BPS:921 Transfer complete Total 49152 bytes received. Erasing...... ............ OK ES-2108> atgo
The system will be restarted automatically and new firmware will be initialized, this takes about 10min.
Copyright (c) 1994 - 2006 ZyXEL Communications Corp. initialize switch, ethernet address: 00:13:49:81:19:a8 Initializing VLAN Database... Initializing IP Interface... Initializing Advanced Applications... Initializing Command Line Interface... Initializing Web Interface... Generating SSL random file Generating SSL configuration file Generating SSL proxy configuration file Generating SSL DH param Generating SSL DSA param Generating SSL CA certificate Generating SSH key Press ENTER to continue...
After the system is up, you should be able to log in with the default username "admin" and password “1234”.
Copyright (c) 1994 - 2006 ZyXEL Communications Corp. ES-2108#
Load Factory Defaults
ES-2108# show ip IP Interface IP[0.0.0.0], Netmask[0.0.0.0], VID[1] ES-2108# erase running-config Do you really want to erase configuration? [Y]y ES-2108# show ip IP Interface IP[192.168.1.1], Netmask[255.255.255.0], VID[1] ES-2108# write memory ES-2108# reload config
Factory Reset