Skip to content
Archive of posts tagged routing

Shortest Path First Routing: Djikstras Algorithm in C

Background I took over a project consisting of PIC chips interfacing with basic 802.15.4 radio modules.  These modules had no routing or mesh networking abilities.  The only feature was the ability to send and receive to other modules that were within range.  When I first received the project the routing method was that every packet was […]

OpenVPN And PPP on Linux: VPN Traffic Forwarding Default Gateway Fix

Background I use OpenVPN all the time and had the task of setting it up to function as the default gateway for an embedded linux machine that is using PPP with a USB 3G dongle.  The VPN connection worked great as always but for some reason I couldn’t get the traffic forwarded over the 3G line. […]