sudo cp /etc/network/interfaces /etc/network/interfaces.bak
sudo vim /etc/network/interfaces
Before
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto ens33
allow-hotplug ens33
iface ens33 inet dhcp
After
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto ens33
allow-hotplug ens33
iface ens33 inet static
address 172.17.13.167/24
gateway 172.17.13.254
# do not set netmask!!!!
Multiple Static IP(iproute2)
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto ens33
allow-hotplug ens33
iface ens33 inet static
address 172.17.13.167/24
gateway 172.17.13.254
iface ens33 inet static
address 172.17.13.168/24
iface ens33 inet static
address 172.17.13.169/24