odroid@r1odroid:~$ ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 4096 qdisc noqueue state UNKNOWN group default
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 00:1e:06:33:cc:75 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.5/24 brd 192.168.1.255 scope global eth0
valid_lft forever preferred_lft forever
inet 192.168.1.197/24 brd 192.168.1.255 scope global secondary eth0:1
valid_lft forever preferred_lft forever
inet6 fe80::21e:6ff:fe33:cc75/64 scope link
valid_lft forever preferred_lft forever
odroid@r1odroid:~$ cat /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d
# The primary network interface
auto eth0
iface eth0 inet static
address 192.168.1.5
netmask 255.255.255.0
network 192.168.1.0
broadcast 192.168.1.255
gateway 192.168.1.1
auto eth0:1
iface eth0:1 inet dhcp