FIXED!
iface ra0 inet dhcp wireless-essid My_network_name
in /etc/network/interfaces solved the problem. :-) I do not know why this did not work at first just by choosing the same configuration with "System Settings -- Network settings" (which gives the same dialog as above mentioned). Oh well ...
FIXED!
iface ra0 inet dhcp
wireless-essid My_network_name
in /etc/network/ interfaces solved the problem. :-)
I do not know why this did not work at first just by choosing the same configuration with "System Settings -- Network settings" (which gives the same dialog as above mentioned). Oh well ...