RoofMan Official Blog
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The article discusses challenges with VPN tunneling and multi-WAN aggregation, particularly the TCP-over-TCP meltdown, where throughput drops due to overlapping congestion control mechanisms. Switching to UDP-based outer tunnels resolved performance issues, improving bandwidth utilization across multiple WAN links while maintaining VPN reliability. It advises employing UDP for better aggregation outcomes.
After using OPNSense firwall for a while to tunnel my traffic throw VPN directly from the network infrastructure level, i’m really satisficed with the experience but while i’m monitoring the firewall traffic, i discovered a traffic leaking happen in some cases. VPN traffic should go to the VPN Interface, but i find a traffic on the WAN Interface which originated from the LAN to VPN and the firewall pass it and that… Read More
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