arpproxy

arpproxy

this tool is capable of spoofing / injecting a custom mac for a list of IPs read (and updated) from a flat file

by doing so we can:

• leverage fast hardware asics to forward traffic while still breaking up layer2 domains
• breaking layer 2 domain in a transparent way to the client
• migrate layer 2 traffic out of a vlan into a routed environment
• by using the mac of the local interface (and using the spoofed mac in the payload) we do not break any cam/switch tables along the way

usage:

tools comes with a systemd service unit and a /etc/default/arpproxy file update this file to your needs

for a up2date list of options run

arpproxy --help

the list of IPs is read out of /etc/arpproxy.list by default but can be specified to any path