Binary package “strongswan-plugin-farp” in ubuntu trusty

strongSwan plugin for faking ARP responses

 The strongSwan VPN suite uses the native IPsec stack in the standard
 Linux kernel. It supports both the IKEv1 and IKEv2 protocols.
 .
 This package provides the strongSwan plugin for faking ARP responses for
 requests to a virtual IP address assigned to a peer.