다음음 정적설정 # sudo vi /etc/network/interfaces # The primary network interface auto eth0 iface eth0 inet static address 192.168.3.90 gateway 192.168.3.1 netmask 255.255.255.0 network 192.168.3.0 broadcast 192.168.3.255 다음은 동적설정 auto eth0 iface eth0 inet dhcp