in RIGA Biffboard connected with cable to my notebook without router on biffeboard need run dhclient works ping to Trendnetu ping 192.168.10.1 ==================================================================== #static ip that works auto eth0 allow-hotplug eth0 iface eth0 inet static address 192.168.0.9 network 192.168.0.0 netmask 255.255.255.0 broadcast 192.168.0.255 gateway 192.168.0.1 ========================================================================= nano /etc/network/interfaces # The loopback network interface auto lo iface lo inet loopback auto eth0 #iface eth0 inet dhcp iface eth0 inet static address 192.168.0.3 netmask 255.255.255.0 gateway 192.168.0.1 /etc/init.d/networking restart ------------------------------------------------------------------------------------------