interfaces

# /etc/network/interfaces
# interfaces(5) file used by ifup(8) and ifdown(8)

# Please note that this file is written to be used with dhcpcd
# For static IP, consult /etc/dhcpcd.conf and 'man dhcpcd.conf'

# Include files from /etc/network/interfaces.d:
source-directory /etc/network/interfaces.d

auto lo
iface lo inet loopback

iface eth0 inet static
    address 0.0.0.0

iface eth1 inet static
    address 0.0.0.0

# There is probably some better way to make this work, but user-space scripts
# need to know to respond on the br0 interface to packets siphoned off
# the network. So this uses an arbitrarily picked IP with a large netmask
# with the hope that it will cover the victim IP.

auto br0
iface br0 inet static
    address 10.100.200.1
    netmask 248.0.0.0
    bridge_ports eth0 eth1
    bridge_fd 0
    bridge_waitport 0
    bridge_stp off