dowser

Convenience wrapper tool that utilizes ike-scan and interprets the output to analyze VPN connectivity from a certain environment.

Redistributable dependency: ike-scan

https://github.com/royhills/ike-scan

ike-scan Documentation

http://nta-monitor.com/wiki/index.php/Ike-scan_User_Guide

ike-scan Releases

https://github.com/royhills/ike-scan/releases

Note: only Windows binaries available for download. For other OSes, you need to build from source.