root@dra7xx-evm:~# cat /etc/network/interfaces
# /etc/network/interfaces -- configuration file for ifup(8), ifdown(8)

# The loopback interface
auto lo
iface lo inet loopback

# Wireless interfaces
#auto wlan0
#iface wlan0 inet dhcp
#       udhcpc_opts --retries 5 --background

# Wired or wireless interfaces
auto br0
iface br0 inet static
        address 192.168.1.100
        netmask 255.255.255.0
        bridge_stp off
        bridge_waitport 0
        bridge_fd 0

auto br1
iface br1 inet static
        address 192.168.4.102
        netmask 255.255.255.0
        bridge_ports eth0
        bridge_stp off
        bridge_waitport 0
        bridge_fd 0

auto br2
#iface br2 inet dhcp
#       udhcpc_opts --retries 5 --background

# Ethernet/RNDIS gadget (g_ether)
# ... or on host side, usbnet and random hwaddr
#iface usb0 inet dhcp

# Bluetooth networking
#iface bnep0 inet dhcp