Despite the occasional tunneling headaches, I still recommend Hamachi. It is lightweight, free for small networks, and generally reliable. When it works, it’s magic. Just be prepared to spend 15 minutes on Google troubleshooting the connection if you run into tunneling errors. For the price (free), the convenience is worth the occasional bug.
If both peers are behind restrictive routers, Hamachi may resort to a "relayed" connection through its own servers, causing high latency and slow speeds. Step-by-Step Fixes for Hamachi Tunnel Problems 1. Restart the Hamachi Tunneling Engine tunnel problem hamachi
This is the most effective first step for clearing the yellow triangle. How To Fix: Hamachi Yellow Triangle of Death Just be prepared to spend 15 minutes on
The "LogMeIn Hamachi Tunneling Engine" service may have stopped or failed to initialize. Step-by-Step Fixes for Hamachi Tunnel Problems 1
Adding both the hamachi-2.exe application and the specific Hamachi Virtual Ethernet Adapter to your firewall's "Allowed" list is often the most effective fix.