WireGuard slow routing?


This Content is from ServerFault. Question asked by Ignatella

I’ve got a setup as depicted in the picture. The problem is catastrophic speed when using routing.

  • All WireGuard interfaces MTU = 1420.
  • (1), (2) are debian servers. (3) is windows machine.
  • The only setup done on (2) is net.ipv4.ip_forward = 1
  • CPU and RAM usage on all machines is about 5%
  • Bandwidth is being measured with iperf3

network topology


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