Hello Franco, So just to be sure we understand you correctly, and anyone else who thinks this is the solution...
[....] > Thanks for your answer I've just solved thank reading this link [1] it was > the gateway line once commented all work fine. Now the wlan0 configuration > file is: > > > > ~# cat /etc/network/interfaces.d/wlan0 > # allow-hotplug wlan0 > iface wlan0 inet static > address 192.168.0.9 > netmask 255.255.255.0 > network 192.168.0.0 > broadcast 192.168.0.255 > # gateway 192.168.0.1 > wpa-conf /etc/wpa_supplicant/wpa_supplicant.conf > > Debian on raspberrypi works great I've cups, bind9, isc-dhcp-server running > fine, if you are unsure give it a try. > > > [1] > https://raspberrypi.stackexchange.com/questions/13895/solving-rtnetlink-answers-file-exists-when-running-ifup The discussion behind this links talks about the fact that a system can have only one default gateway, there can be only one gateway statement in the interfaces file(s). As you show us the config for one file in the interfaces.d/ directory, can we assume you have another interface that is up and running for which there is a separate file in interfaces.d/ ? That file might then not even have a gateway statement if it used dhcp. Bonno Bloksma
