From mrjester, 2 Years ago, written in Plain Text.
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  1. ===Testing: Source VM running ubuntu 16.04, fresh install, fully patched.===
  2.  
  3. ===iperf to a host on the same network.===
  4. == tcp==
  5. iperf3 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c 10.8.10.20
  6. [  4]   0.00-20.00  sec  14.6 GBytes  6278 Mbits/sec    0             sender
  7. [  4]   0.00-20.00  sec  14.7 GBytes  6293 Mbits/sec                  receiver
  8.  
  9. == tcp reversed==
  10. iperf3 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c 10.8.10.20 -R
  11. [  4]   0.00-20.00  sec  21.1 GBytes  9070 Mbits/sec  3764             sender
  12. [  4]   0.00-20.00  sec  21.1 GBytes  9053 Mbits/sec                  receiver
  13.  
  14. == udp 10g==
  15. iperf3 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c 10.8.10.20 -u -b10g
  16. [  4]   0.00-20.00  sec  5.90 GBytes  2535 Mbits/sec  0.116 ms  3963/773715 (0.51%)
  17. == udp 10g reversed==
  18. iperf3 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c 10.8.10.20 -u -b10g -R
  19. [  4]   0.00-20.00  sec  18.0 GBytes  7713 Mbits/sec  0.007 ms  489576/2349311 (21%)
  20.  
  21. ===== As you can see, the VM is completely capable of doing >2G ========
  22.  
  23.  
  24. == ipv6 udp 2g to interenet==
  25. iperf3 -6 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -u -b2G
  26. [  4]   0.00-20.00  sec  4.66 GBytes  2000 Mbits/sec  0.009 ms  312866/610090 (51%)
  27. == ipv6 udp 2g reversed to interenet==
  28. iperf3 -6 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -u -b2G -R
  29. [  4]   0.00-20.00  sec  4.67 GBytes  2006 Mbits/sec  0.013 ms  30043/612286 (4.9%)
  30. == ipv4 udp 2g to interenet==
  31. iperf3 -4 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -u -b2G
  32. [  4]   0.00-20.00  sec  4.66 GBytes  2001 Mbits/sec  783.302 ms  263909/610712 (43%)
  33. == ipv4 udp 2g reversed to interenet==
  34. iperf3 -4 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -u -b2G -R
  35. [  4]   0.00-20.00  sec  4.67 GBytes  2007 Mbits/sec  0.009 ms  4832/612510 (0.79%)
  36.  
  37. ====== UDP to the internet works fine in either direction over v4 or v6.  This should demonstrate that the upstream systems are no the issue and that the host on either end is not the issue either.
  38.  
  39. == ipv6 tcp to internet ==
  40. iperf3 -6 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net
  41. [  4]   0.00-20.00  sec  2.74 GBytes  1176 Mbits/sec  3052             sender
  42. [  4]   0.00-20.00  sec  2.75 GBytes  1179 Mbits/sec                  receiver
  43. == ipv6 tcp reversed to internet ==
  44. iperf3 -6 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -R
  45. [  4]   0.00-20.00  sec  1.06 GBytes   454 Mbits/sec   38             sender
  46. [  4]   0.00-20.00  sec  1.05 GBytes   452 Mbits/sec                  receiver
  47.  
  48. == ipv4 tcp to internet ==
  49. iperf3 -4 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net
  50. [  4]   0.00-20.00  sec  2.76 GBytes  1186 Mbits/sec  1571             sender
  51. [  4]   0.00-20.00  sec  2.77 GBytes  1189 Mbits/sec                  receiver
  52. == ipv4 tcp reversed to internet ==
  53. iperf3 -4 -p5201 -t 20 -P 1 -O 3 --get-server-output -f m -c iperf.he.net -R
  54. [  4]   0.00-20.00  sec  2.45 GBytes  1052 Mbits/sec    0             sender
  55. [  4]   0.00-20.00  sec  2.45 GBytes  1053 Mbits/sec                  receiver