Erasing or Clearing the Config on Your Netscreen Firewall

A short note on how to erase the configuration in your Netscreen firewall. Mainly so I can find it next time….

To clear a Netscreen config (erase flash) you need to ‘unset all’

netscreen-> unset all
Erase all system config, are you sure y/[n] ? y
netscreen->
netscreen-> reset
Configuration modified, save? [y]/n n
System reset, are you sure? y/[n]
netscreen-> reset
Configuration modified, save? [y]/n n
System reset, are you sure? y/[n] y
In reset …

NetScreen NS-200 Boot Loader Version 3.0.0 (Checksum: B48FB1B8)
Copyright (c) 1997-2003 NetScreen Technologies, Inc.

Total physical memory: 128MB
Test – Pass
Initialization – Done

Model Number: NS-208

Hit any key to run loader
Hit any key to run loader
Hit any key to run loader
Hit any key to run loader

Loading default system image from on-board flash disk…

Ignore image authentication!

Start loading…

…………………………………………………………..

Done.

Remember to use the default passowrd of user:netscreen password: netscreen