OpenNHRP implements the NBMA Next Hop Resolution Protocol (as defined in RFC 2332). It makes it possible to create a dynamic multipoint VPN Linux router using NHRP, GRE, and IPsec. It aims to be Cisco DMVPN compatible.
a41e5f0c65e48a76d98b701f1f3e9c43e10ebe3578c79adebcfee2279c7f459a