linux /etc/network/intefaces

#Sample file to assign multiple IPs on a local schsrv PC. This helps when you have multiple routers on same LAN
# interfaces(5) file used by ifup(8) and ifdown(8)
# Include files from /etc/network/interfaces.d:
source /etc/network/interfaces.d/*
allow-hotplug eth0
iface eth0 inet static
    address 192.168.1.200/24
iface eth0 inet static
    address 10.131.19.200/24
iface eth0 inet static
    address 10.131.19.199/24
iface eth0 inet static
    address 192.168.1.199/24


# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
allow-hotplug eth0