> I wouldn't call it a custom hack to open an L2 tunnel over wireguard There's too many headers that are too big. If you do a simple L2 tunnel, you have three

> I wouldn't call it a custom hack to open an L2 tunnel over wireguard There's too many headers that are too big. If you do a simple L2 tunnel, you have three options: jumbo frames, packet fragmentation, or custom hacks. None are great. > Linux has built in L2 tunneling, sans encryption IIRC, because the extra header for the encryption layer pushes the MTU over 1500.