Hello,
here it works fine with these settings in /etc/network/interfaces:
Bye, Claas
---
# Wireless interface
#
# this might be eth1 for you since I have not the module for
# wired networking (sungem) loaded.
#
# just use "ifup eth0" and "ifdown eth0" the modules get loaded
# and unloaded automatically for you.
#
auto eth0
iface eth0 inet dhcp
pre-up modprobe airport
post-down rmmod airport
post-down rmmod orinoco
post-down rmmod hermes
wireless_essid any
wireless_mode Managed
wireless_ap any
wireless_nick DebianPC
wireless_key off
