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Virtualbox network speed

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Apr 25th, 2013
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  1. c:\iperf>iperf -c 10.0.0.2 -t 10 -i 2 -w 2000
  2. WARNING: TCP window size set to 2000 bytes. A small window size
  3. will give poor performance. See the Iperf documentation.
  4. ------------------------------------------------------------
  5. Client connecting to 10.0.0.2, TCP port 5001
  6. TCP window size: 1.95 KByte
  7. ------------------------------------------------------------
  8. [ 3] local 10.0.0.1 port 49159 connected with 10.0.0.2 port 5001
  9. [ ID] Interval Transfer Bandwidth
  10. [ 3] 0.0- 2.0 sec 1.88 MBytes 7.86 Mbits/sec
  11. [ 3] 2.0- 4.0 sec 1.88 MBytes 7.86 Mbits/sec
  12. [ 3] 4.0- 6.0 sec 1.88 MBytes 7.86 Mbits/sec
  13. [ 3] 6.0- 8.0 sec 1.88 MBytes 7.86 Mbits/sec
  14. [ 3] 8.0-10.0 sec 2.00 MBytes 8.39 Mbits/sec
  15. [ 3] 0.0-10.2 sec 9.62 MBytes 7.88 Mbits/sec
  16.  
  17. c:\iperf>iperf -c 10.0.0.2 -t 10 -i 2 -w 20000
  18. ------------------------------------------------------------
  19. Client connecting to 10.0.0.2, TCP port 5001
  20. TCP window size: 19.5 KByte
  21. ------------------------------------------------------------
  22. [ 3] local 10.0.0.1 port 49160 connected with 10.0.0.2 port 5001
  23. [ ID] Interval Transfer Bandwidth
  24. [ 3] 0.0- 2.0 sec 101 MBytes 423 Mbits/sec
  25. [ 3] 2.0- 4.0 sec 105 MBytes 440 Mbits/sec
  26. [ 3] 4.0- 6.0 sec 106 MBytes 446 Mbits/sec
  27. [ 3] 6.0- 8.0 sec 105 MBytes 440 Mbits/sec
  28. [ 3] 8.0-10.0 sec 105 MBytes 439 Mbits/sec
  29. [ 3] 0.0-10.0 sec 522 MBytes 437 Mbits/sec
  30.  
  31. c:\iperf>iperf -c 10.0.0.2 -t 10 -i 2 -w 200000
  32. ------------------------------------------------------------
  33. Client connecting to 10.0.0.2, TCP port 5001
  34. TCP window size: 195 KByte
  35. ------------------------------------------------------------
  36. [ 3] local 10.0.0.1 port 49161 connected with 10.0.0.2 port 5001
  37. [ ID] Interval Transfer Bandwidth
  38. [ 3] 0.0- 2.0 sec 29.5 MBytes 124 Mbits/sec
  39. [ 3] 2.0- 4.0 sec 29.5 MBytes 124 Mbits/sec
  40. [ 3] 4.0- 6.0 sec 28.8 MBytes 121 Mbits/sec
  41. [ 3] 6.0- 8.0 sec 28.9 MBytes 121 Mbits/sec
  42. [ 3] 8.0-10.0 sec 28.5 MBytes 120 Mbits/sec
  43. [ 3] 0.0-10.0 sec 145 MBytes 122 Mbits/sec
  44.  
  45. c:\iperf>iperf -c 10.0.1.2 -t 10 -i 2 -w 2000
  46. WARNING: TCP window size set to 2000 bytes. A small window size
  47. will give poor performance. See the Iperf documentation.
  48. ------------------------------------------------------------
  49. Client connecting to 10.0.1.2, TCP port 5001
  50. TCP window size: 1.95 KByte
  51. ------------------------------------------------------------
  52. [ 3] local 10.0.1.1 port 49162 connected with 10.0.1.2 port 5001
  53. [ ID] Interval Transfer Bandwidth
  54. [ 3] 0.0- 2.0 sec 18.6 MBytes 78.1 Mbits/sec
  55. [ 3] 2.0- 4.0 sec 19.4 MBytes 81.3 Mbits/sec
  56. [ 3] 4.0- 6.0 sec 19.4 MBytes 81.3 Mbits/sec
  57. [ 3] 6.0- 8.0 sec 19.5 MBytes 81.8 Mbits/sec
  58. [ 3] 8.0-10.0 sec 19.4 MBytes 81.3 Mbits/sec
  59. [ 3] 0.0-10.0 sec 96.4 MBytes 80.7 Mbits/sec
  60.  
  61. c:\iperf>iperf -c 10.0.1.2 -t 10 -i 2 -w 20000
  62. ------------------------------------------------------------
  63. Client connecting to 10.0.1.2, TCP port 5001
  64. TCP window size: 19.5 KByte
  65. ------------------------------------------------------------
  66. [ 3] local 10.0.1.1 port 49163 connected with 10.0.1.2 port 5001
  67. [ ID] Interval Transfer Bandwidth
  68. [ 3] 0.0- 2.0 sec 25.5 MBytes 107 Mbits/sec
  69. [ 3] 2.0- 4.0 sec 25.8 MBytes 108 Mbits/sec
  70. [ 3] 4.0- 6.0 sec 24.5 MBytes 103 Mbits/sec
  71. [ 3] 6.0- 8.0 sec 25.4 MBytes 106 Mbits/sec
  72. [ 3] 8.0-10.0 sec 25.5 MBytes 107 Mbits/sec
  73. [ 3] 0.0-10.0 sec 127 MBytes 106 Mbits/sec
  74.  
  75. c:\iperf>iperf -c 10.0.1.2 -t 10 -i 2 -w 200000
  76. ------------------------------------------------------------
  77. Client connecting to 10.0.1.2, TCP port 5001
  78. TCP window size: 195 KByte
  79. ------------------------------------------------------------
  80. [ 3] local 10.0.1.1 port 49164 connected with 10.0.1.2 port 5001
  81. [ ID] Interval Transfer Bandwidth
  82. [ 3] 0.0- 2.0 sec 63.5 MBytes 266 Mbits/sec
  83. [ 3] 2.0- 4.0 sec 59.2 MBytes 249 Mbits/sec
  84. [ 3] 4.0- 6.0 sec 59.0 MBytes 247 Mbits/sec
  85. [ 3] 6.0- 8.0 sec 58.2 MBytes 244 Mbits/sec
  86. [ 3] 8.0-10.0 sec 55.0 MBytes 231 Mbits/sec
  87. [ 3] 0.0-10.0 sec 295 MBytes 247 Mbits/sec
  88.  
  89. c:\iperf>iperf -c 10.0.2.2 -t 10 -i 2 -w 2000
  90. WARNING: TCP window size set to 2000 bytes. A small window size
  91. will give poor performance. See the Iperf documentation.
  92. ------------------------------------------------------------
  93. Client connecting to 10.0.2.2, TCP port 5001
  94. TCP window size: 1.95 KByte
  95. ------------------------------------------------------------
  96. [ 3] local 10.0.2.1 port 49168 connected with 10.0.2.2 port 5001
  97. [ ID] Interval Transfer Bandwidth
  98. [ 3] 0.0- 2.0 sec 31.1 MBytes 131 Mbits/sec
  99. [ 3] 2.0- 4.0 sec 32.4 MBytes 136 Mbits/sec
  100. [ 3] 4.0- 6.0 sec 32.5 MBytes 136 Mbits/sec
  101. [ 3] 6.0- 8.0 sec 33.1 MBytes 139 Mbits/sec
  102. [ 3] 8.0-10.0 sec 31.5 MBytes 132 Mbits/sec
  103. [ 3] 0.0-10.0 sec 161 MBytes 135 Mbits/sec
  104.  
  105. c:\iperf>iperf -c 10.0.2.2 -t 10 -i 2 -w 20000
  106. ------------------------------------------------------------
  107. Client connecting to 10.0.2.2, TCP port 5001
  108. TCP window size: 19.5 KByte
  109. ------------------------------------------------------------
  110. [ 3] local 10.0.2.1 port 49169 connected with 10.0.2.2 port 5001
  111. [ ID] Interval Transfer Bandwidth
  112. [ 3] 0.0- 2.0 sec 208 MBytes 874 Mbits/sec
  113. [ 3] 2.0- 4.0 sec 210 MBytes 881 Mbits/sec
  114. [ 3] 4.0- 6.0 sec 213 MBytes 893 Mbits/sec
  115. [ 3] 6.0- 8.0 sec 209 MBytes 877 Mbits/sec
  116. [ 3] 8.0-10.0 sec 204 MBytes 855 Mbits/sec
  117. [ 3] 0.0-10.0 sec 1.02 GBytes 875 Mbits/sec
  118.  
  119. c:\iperf>iperf -c 10.0.2.2 -t 10 -i 2 -w 200000
  120. ------------------------------------------------------------
  121. Client connecting to 10.0.2.2, TCP port 5001
  122. TCP window size: 195 KByte
  123. ------------------------------------------------------------
  124. [ 3] local 10.0.2.1 port 49170 connected with 10.0.2.2 port 5001
  125. [ ID] Interval Transfer Bandwidth
  126. [ 3] 0.0- 2.0 sec 330 MBytes 1.39 Gbits/sec
  127. [ 3] 2.0- 4.0 sec 319 MBytes 1.34 Gbits/sec
  128. [ 3] 4.0- 6.0 sec 313 MBytes 1.31 Gbits/sec
  129. [ 3] 6.0- 8.0 sec 308 MBytes 1.29 Gbits/sec
  130. [ 3] 8.0-10.0 sec 302 MBytes 1.27 Gbits/sec
  131. [ 3] 0.0-10.0 sec 1.54 GBytes 1.32 Gbits/sec
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