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. License: GNU General Public License v2 Changes:
A problem in peer cache enumeration that could crash opennhrp under special circumstances was fixed. The example opennhrp-script was updated to show how to add host routes with MTU. PID file locking is now done as the first thing to prevent accidental startup of opennhrp (which would make the initial instance unusable by overwriting the control socket).