Multiple IP Addresses on debian linux

/etc/network/interfaces 설정

device IP를 여러개 할당할 수 있다.

# The primary network interface
auto eth0
iface eth0 inet static
    address <the outbound IP>
    netmask <the netmask for the outbound IP, usually 255.255.255.0>
    gateway <the gateway for the outbound IP, find it in Linode Manager - Remote Access>
    up /sbin/ip addr add <the primary IP>/24 dev eth0

eth0 인터페이스에 메인아이피가 192.168.200.101로 할당되어 있고 192.168.200.102 를 추가로 할당한다.

auto eth0
iface eth0 inet static
       address 192.168.200.101
       netmask 255.255.255.0
       gateway 192.168.200.1
       up /sbin/ip addr add 192.168.200.102/24 dev eth0