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teknoraver

rpi4 checksum

teknoraver
Oct 9th, 2019
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  1. root@rpi4:~# ethtool -k eth0 |grep checksum
  2. rx-checksumming: off
  3. tx-checksumming: off
  4. tx-checksum-ipv4: off
  5. tx-checksum-ip-generic: off [fixed]
  6. tx-checksum-ipv6: off
  7. tx-checksum-fcoe-crc: off [fixed]
  8. tx-checksum-sctp: off [fixed]
  9.  
  10. root@rpi4:~# iperf3 -s
  11. warning: this system does not seem to support IPv6 - trying IPv4
  12. -----------------------------------------------------------
  13. Server listening on 5201
  14. -----------------------------------------------------------
  15. Accepted connection from 192.168.85.6, port 43138
  16. [ 5] local 192.168.85.44 port 5201 connected to 192.168.85.6 port 58384
  17. [ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
  18. [ 5] 0.00-1.00 sec 18.0 MBytes 151 Mbits/sec 0.002 ms 26675/322112 (8.3%)
  19. [ 5] 1.00-2.00 sec 18.1 MBytes 152 Mbits/sec 0.003 ms 25098/322460 (7.8%)
  20. [ 5] 2.00-3.00 sec 18.2 MBytes 152 Mbits/sec 0.002 ms 25263/322697 (7.8%)
  21. [ 5] 3.00-4.00 sec 18.1 MBytes 152 Mbits/sec 0.003 ms 24925/322145 (7.7%)
  22. [ 5] 4.00-5.00 sec 18.1 MBytes 152 Mbits/sec 0.005 ms 25105/322427 (7.8%)
  23. [ 5] 5.00-6.00 sec 18.1 MBytes 152 Mbits/sec 0.003 ms 24985/322173 (7.8%)
  24. [ 5] 6.00-7.00 sec 18.2 MBytes 153 Mbits/sec 0.002 ms 24336/322281 (7.6%)
  25. [ 5] 7.00-8.00 sec 18.1 MBytes 152 Mbits/sec 0.004 ms 26906/323153 (8.3%)
  26. [ 5] 8.00-9.00 sec 18.1 MBytes 152 Mbits/sec 0.004 ms 25003/321525 (7.8%)
  27. [ 5] 9.00-10.00 sec 18.1 MBytes 152 Mbits/sec 0.004 ms 23453/320792 (7.3%)
  28. [ 5] 10.00-10.00 sec 31.2 KBytes 142 Mbits/sec 0.004 ms 57/556 (10%)
  29. - - - - - - - - - - - - - - - - - - - - - - - - -
  30. [ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
  31. [SUM] 0.0-10.0 sec 1 datagrams received out-of-order
  32. [ 5] 0.00-10.00 sec 181 MBytes 152 Mbits/sec 0.004 ms 251806/3222321 (7.8%) receiver
  33. -----------------------------------------------------------
  34. Server listening on 5201
  35. -----------------------------------------------------------
  36. iperf3: interrupt - the server has terminated
  37.  
  38. root@rpi4:~# ethtool -K eth0 tx on rx on
  39.  
  40. root@rpi4:~# ethtool -k eth0 |grep checksum
  41. rx-checksumming: on
  42. tx-checksumming: on
  43. tx-checksum-ipv4: on
  44. tx-checksum-ip-generic: off [fixed]
  45. tx-checksum-ipv6: on
  46. tx-checksum-fcoe-crc: off [fixed]
  47. tx-checksum-sctp: off [fixed]
  48.  
  49. root@rpi4:~# iperf3 -s
  50. warning: this system does not seem to support IPv6 - trying IPv4
  51. -----------------------------------------------------------
  52. Server listening on 5201
  53. -----------------------------------------------------------
  54. Accepted connection from 192.168.85.6, port 43144
  55. [ 5] local 192.168.85.44 port 5201 connected to 192.168.85.6 port 41246
  56. [ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
  57. [ 5] 0.00-1.00 sec 17.0 MBytes 143 Mbits/sec 0.004 ms 138053/416786 (33%)
  58. [ 5] 1.00-2.00 sec 17.2 MBytes 145 Mbits/sec 0.004 ms 135354/417828 (32%)
  59. [ 5] 2.00-3.00 sec 17.2 MBytes 144 Mbits/sec 0.003 ms 135541/417649 (32%)
  60. [ 5] 3.00-4.00 sec 17.2 MBytes 145 Mbits/sec 0.004 ms 135441/417786 (32%)
  61. [ 5] 4.00-5.00 sec 17.2 MBytes 145 Mbits/sec 0.003 ms 133695/415949 (32%)
  62. [ 5] 5.00-6.00 sec 17.3 MBytes 145 Mbits/sec 0.006 ms 134489/417966 (32%)
  63. [ 5] 6.00-7.00 sec 17.2 MBytes 144 Mbits/sec 0.004 ms 135167/416376 (32%)
  64. [ 5] 7.00-8.00 sec 17.2 MBytes 144 Mbits/sec 0.003 ms 135388/417216 (32%)
  65. [ 5] 8.00-9.00 sec 17.3 MBytes 145 Mbits/sec 0.003 ms 136274/418914 (33%)
  66. [ 5] 9.00-10.00 sec 17.2 MBytes 144 Mbits/sec 0.008 ms 137533/419308 (33%)
  67. [ 5] 10.00-10.00 sec 22.6 KBytes 129 Mbits/sec 0.006 ms 200/561 (36%)
  68. - - - - - - - - - - - - - - - - - - - - - - - - -
  69. [ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
  70. [SUM] 0.0-10.0 sec 242 datagrams received out-of-order
  71. [ 5] 0.00-10.00 sec 172 MBytes 144 Mbits/sec 0.006 ms 1357135/4176339 (32%) receiver
  72. -----------------------------------------------------------
  73. Server listening on 5201
  74. -----------------------------------------------------------
  75. iperf3: interrupt - the server has terminated
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