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    Topton N100 Reporting 402 MHz

    Hardware
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    • stephenw10S
      stephenw10 Netgate Administrator
      last edited by

      That seems like you might be hitting thermal throttling. Check the per core temperatures.

      R 1 Reply Last reply Reply Quote 0
      • R
        roxy @stephenw10
        last edited by

        @stephenw10

        I see the following output of thermal sensors

        hw.acpi.thermal.tz0.temperature: 27.9C
        dev.cpu.3.temperature: 44.0C
        dev.cpu.2.temperature: 43.0C
        dev.cpu.1.temperature: 44.0C
        dev.cpu.0.temperature: 45.0C
        

        However, after few minutes of benchmark, the CPU speed increased to 600 - 800 MHz, and the transfer speed is about 1.9 Gbps

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        • stephenw10S
          stephenw10 Netgate Administrator
          last edited by

          Hmm, seems fine if that's during the test.

          R 1 Reply Last reply Reply Quote 0
          • stephenw10S stephenw10 referenced this topic on
          • R
            roxy @stephenw10
            last edited by roxy

            @stephenw10

            It's quite fine, but not bad ;-)

            I really would like to have 2.5 GBps :-( all the time ,
            I see 2.35 at the beginning and 1.0 after 15 seconds and 1.8 back after 30 seconds

            This could be the result of bad cooling (but temperature is about 45 degrees).
            I tried to simplify pfsense firewall rules (single rule with Pass all traffic) but didnt get 2.5

            I am wondering if NetGate hw really gets 2.5 GBps. I was considering to buy NetGate 4200 to check, but I habe no spare $500

            Connecting to host 192.168.18.100, port 5201
            [  5] local 10.0.2.21 port 56216 connected to 192.168.18.100 port 5201
            [ ID] Interval           Transfer     Bitrate
            [  5]   0.00-1.00   sec   283 MBytes  2.36 Gbits/sec
            [  5]   1.00-2.00   sec   280 MBytes  2.35 Gbits/sec
            [  5]   2.00-3.01   sec   282 MBytes  2.35 Gbits/sec
            [  5]   3.01-4.01   sec   280 MBytes  2.35 Gbits/sec
            [  5]   4.01-5.01   sec   280 MBytes  2.35 Gbits/sec
            [  5]   5.01-6.00   sec   275 MBytes  2.31 Gbits/sec
            [  5]   6.00-7.00   sec   280 MBytes  2.35 Gbits/sec
            [  5]   7.00-8.01   sec   281 MBytes  2.35 Gbits/sec
            [  5]   8.01-9.01   sec   280 MBytes  2.35 Gbits/sec
            [  5]   9.01-10.01  sec   280 MBytes  2.35 Gbits/sec
            [  5]  10.01-11.00  sec   280 MBytes  2.35 Gbits/sec
            [  5]  11.00-12.01  sec   281 MBytes  2.35 Gbits/sec
            [  5]  12.01-13.00  sec   280 MBytes  2.35 Gbits/sec
            [  5]  13.00-14.00  sec   280 MBytes  2.35 Gbits/sec
            [  5]  14.00-15.01  sec   282 MBytes  2.35 Gbits/sec
            [  5]  15.01-16.00  sec   280 MBytes  2.35 Gbits/sec
            [  5]  16.00-17.00  sec   280 MBytes  2.35 Gbits/sec
            [  5]  17.00-18.01  sec   281 MBytes  2.35 Gbits/sec
            [  5]  18.01-19.01  sec   280 MBytes  2.35 Gbits/sec
            [  5]  19.01-20.01  sec   280 MBytes  2.35 Gbits/sec
            [  5]  20.01-21.01  sec   196 MBytes  1.65 Gbits/sec
            [  5]  21.01-22.00  sec   226 MBytes  1.91 Gbits/sec
            [  5]  22.00-23.01  sec   204 MBytes  1.71 Gbits/sec
            [  5]  23.01-24.00  sec   190 MBytes  1.60 Gbits/sec
            [  5]  24.00-25.00  sec   156 MBytes  1.31 Gbits/sec
            [  5]  25.00-26.00  sec   158 MBytes  1.32 Gbits/sec
            [  5]  26.00-27.00  sec   158 MBytes  1.32 Gbits/sec
            [  5]  27.00-28.01  sec   157 MBytes  1.32 Gbits/sec
            [  5]  28.01-29.01  sec   155 MBytes  1.30 Gbits/sec
            [  5]  29.01-30.01  sec   153 MBytes  1.28 Gbits/sec
            [  5]  30.01-31.00  sec   156 MBytes  1.31 Gbits/sec
            [  5]  31.00-32.00  sec   156 MBytes  1.31 Gbits/sec
            [  5]  32.00-33.00  sec   158 MBytes  1.32 Gbits/sec
            [  5]  33.00-34.00  sec   157 MBytes  1.32 Gbits/sec
            [  5]  34.00-35.00  sec   113 MBytes   947 Mbits/sec
            [  5]  35.00-36.01  sec   103 MBytes   860 Mbits/sec
            [  5]  36.01-37.01  sec   187 MBytes  1.57 Gbits/sec
            [  5]  37.01-38.01  sec   193 MBytes  1.62 Gbits/sec
            [  5]  38.01-39.01  sec   213 MBytes  1.79 Gbits/sec
            [  5]  39.01-40.01  sec   214 MBytes  1.80 Gbits/sec
            [  5]  40.01-41.01  sec   214 MBytes  1.80 Gbits/sec
            [  5]  41.01-42.01  sec   213 MBytes  1.79 Gbits/sec
            [  5]  42.01-43.01  sec   212 MBytes  1.78 Gbits/sec
            [  5]  43.01-44.01  sec   214 MBytes  1.80 Gbits/sec
            [  5]  44.01-45.00  sec   213 MBytes  1.80 Gbits/sec
            [  5]  45.00-46.00  sec   213 MBytes  1.79 Gbits/sec
            [  5]  46.00-47.00  sec   214 MBytes  1.79 Gbits/sec
            [  5]  47.00-48.01  sec   214 MBytes  1.79 Gbits/sec
            [  5]  48.01-49.00  sec   212 MBytes  1.79 Gbits/sec
            [  5]  49.00-50.01  sec   199 MBytes  1.66 Gbits/sec
            [  5]  50.01-51.01  sec   215 MBytes  1.80 Gbits/sec
            [  5]  51.01-52.01  sec   217 MBytes  1.82 Gbits/sec
            [  5]  52.01-53.01  sec   213 MBytes  1.79 Gbits/sec
            [  5]  53.01-54.00  sec   213 MBytes  1.79 Gbits/sec
            [  5]  54.00-55.00  sec   214 MBytes  1.79 Gbits/sec
            [  5]  55.00-56.00  sec   218 MBytes  1.83 Gbits/sec
            
            1 Reply Last reply Reply Quote 0
            • stephenw10S
              stephenw10 Netgate Administrator
              last edited by

              You see retransmissions at the other end when that's shown?

              Do you see dropped packets in the interface stats?

              R 1 Reply Last reply Reply Quote 0
              • R
                roxy @stephenw10
                last edited by

                @stephenw10

                I have iperf sunning in SERVICES and the client in DMZ
                I am not sure how to check number of dropped packages. I think the rules are "Pass" - so I should not see any dropped packets, right?

                45d92471-f08a-4ff4-a6fa-8aa00302710c-image.png

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                • stephenw10S
                  stephenw10 Netgate Administrator
                  last edited by

                  One end of the iperf test usually reports retransmission counts. In a nice result there should be no retransmissions.

                  Interface stats can be seen in Status > Interfaces or from netstat -i.

                  One other user seeing this recently had disabled flow control on the NIC and required it on that particular connection. Some devices just don't play nicely with/without it so it's worth testing.

                  R 1 Reply Last reply Reply Quote 0
                  • R
                    roxy @stephenw10
                    last edited by roxy

                    @stephenw10

                    Name       Mtu Network             Address                                      Ipkts Ierrs Idrop      Opkts Oerrs  Coll
                    igc2      1500 <Link#3>            00:d0:b4:02:1c:b8                        645357575     0     0   21639068     0     0
                    igc2         - fe80::%igc2/64      fe80::2d0:b4ff:fe02:1cb8%igc2                    0     -     -          1     -     -
                    igc2         - 10.0.2.0/24         10.0.2.1                                        24     -     -      28181     -     -
                    igc3      1500 <Link#4>            00:d0:b4:02:1c:b9                         21751498     0     0  646024233     0     0
                    igc3         - fe80::%igc3/64      fe80::2d0:b4ff:fe02:1cb9%igc3                    0     -     -          0     -     -
                    igc3         - 192.168.18.0/24     192.168.18.1                                  3130     -     -       3115     -     -
                    

                    78b91acb-df2f-45ac-937d-b2e9f32736b8-image.png

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                    • R
                      roxy
                      last edited by roxy

                      After 10 minutes the speed test converges to 2 Gbps ;-)
                      ebaa8fdb-75ab-4632-86e3-c60788bfa472-image.png

                      and the power consumption increased by ~ 5W
                      e235babd-6e50-462b-83d7-ee671bf2779b-image.png

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                      • stephenw10S
                        stephenw10 Netgate Administrator
                        last edited by

                        Hmm, well that seems suspicious!

                        No retries/retransmissions shown at either end? You might have to run it verbose perhaps. I expect to see something like:

                        steve@steve-NUC9i9QNX:~$ iperf3 -c 4200.stevew.lan
                        Connecting to host 4200.stevew.lan, port 5201
                        [  5] local 172.21.16.8 port 43826 connected to 172.21.16.11 port 5201
                        [ ID] Interval           Transfer     Bitrate         Retr  Cwnd
                        [  5]   0.00-1.00   sec   114 MBytes   958 Mbits/sec    0    397 KBytes       
                        [  5]   1.00-2.00   sec   112 MBytes   939 Mbits/sec    0    417 KBytes       
                        [  5]   2.00-3.00   sec   112 MBytes   941 Mbits/sec    0    417 KBytes       
                        [  5]   3.00-4.00   sec   112 MBytes   941 Mbits/sec    0    417 KBytes       
                        [  5]   4.00-5.00   sec   112 MBytes   940 Mbits/sec    0    417 KBytes       
                        [  5]   5.00-6.00   sec   112 MBytes   944 Mbits/sec    0    417 KBytes       
                        [  5]   6.00-7.00   sec   112 MBytes   942 Mbits/sec    0    417 KBytes       
                        [  5]   7.00-8.00   sec   112 MBytes   941 Mbits/sec    0    417 KBytes       
                        [  5]   8.00-9.00   sec   113 MBytes   945 Mbits/sec    0    417 KBytes       
                        [  5]   9.00-10.00  sec   112 MBytes   936 Mbits/sec    0    417 KBytes       
                        - - - - - - - - - - - - - - - - - - - - - - - - -
                        [ ID] Interval           Transfer     Bitrate         Retr
                        [  5]   0.00-10.00  sec  1.10 GBytes   943 Mbits/sec    0             sender
                        [  5]   0.00-10.00  sec  1.10 GBytes   941 Mbits/sec                  receiver
                        
                        iperf Done.
                        

                        Check for ASPM in the BIOS if you haven't already. That can cause a lot of problems.

                        R 1 Reply Last reply Reply Quote 0
                        • R
                          roxy @stephenw10
                          last edited by roxy

                          @stephenw10

                          I will chack the ASPM tomorrow, but I am afraid I have no option in my version.

                          Here is the result of iperf running for 10 minutes

                          ❯ iperf3 -c 192.168.18.200 -t 600                                                                                    ─╯
                          Connecting to host 192.168.18.200, port 5201
                          [  5] local 10.0.2.21 port 56698 connected to 192.168.18.200 port 5201
                          [ ID] Interval           Transfer     Bitrate
                          [  5]   0.00-1.01   sec   284 MBytes  2.37 Gbits/sec
                          [  5]   1.01-2.01   sec   280 MBytes  2.35 Gbits/sec
                          [  5]   2.01-3.00   sec   279 MBytes  2.35 Gbits/sec
                          [  5]   3.00-4.01   sec   282 MBytes  2.35 Gbits/sec
                          [  5]   4.01-5.01   sec   279 MBytes  2.34 Gbits/sec
                          [  5]   5.01-6.00   sec   279 MBytes  2.35 Gbits/sec
                          .
                          .
                          .
                          [  5] 594.00-595.01 sec   182 MBytes  1.52 Gbits/sec
                          [  5] 595.01-596.01 sec   178 MBytes  1.50 Gbits/sec
                          [  5] 596.01-597.00 sec   174 MBytes  1.47 Gbits/sec
                          [  5] 597.00-598.00 sec   179 MBytes  1.50 Gbits/sec
                          [  5] 598.00-599.01 sec   170 MBytes  1.42 Gbits/sec
                          [  5] 599.01-600.00 sec   168 MBytes  1.42 Gbits/sec
                          - - - - - - - - - - - - - - - - - - - - - - - - -
                          [ ID] Interval           Transfer     Bitrate
                          [  5]   0.00-600.00 sec   108 GBytes  1.54 Gbits/sec                  sender
                          [  5]   0.00-600.01 sec   108 GBytes  1.54 Gbits/sec                  receiver
                          
                          1 Reply Last reply Reply Quote 0
                          • stephenw10S
                            stephenw10 Netgate Administrator
                            last edited by

                            Try running with -V for more verbose output. It would be interesting to see if it's reducing he window size because or retries. That is common.

                            R 1 Reply Last reply Reply Quote 0
                            • R
                              roxy @stephenw10
                              last edited by roxy

                              @stephenw10
                              iperf -V

                              #server side
                              - - - - - - - - - - - - - - - - - - - - - - - - -
                              Test Complete. Summary Results:
                              [ ID] Interval           Transfer     Bitrate
                              [  5] (sender statistics not available)
                              [  5]   0.00-60.00  sec  12.9 GBytes  1.84 Gbits/sec                  receiver
                              rcv_tcp_congestion cubic
                              iperf 3.9
                              Linux iperf 6.5.13-3-pve #1 SMP PREEMPT_DYNAMIC PMX 6.5.13-3 (2024-03-20T10:45Z) x86_64
                              
                              
                              # client side
                              [  5]  57.00-58.00  sec   222 MBytes  1.86 Gbits/sec
                              [  5]  58.00-59.01  sec   237 MBytes  1.98 Gbits/sec
                              [  5]  59.01-60.00  sec   223 MBytes  1.88 Gbits/sec
                              - - - - - - - - - - - - - - - - - - - - - - - - -
                              Test Complete. Summary Results:
                              [ ID] Interval           Transfer     Bitrate
                              [  5]   0.00-60.00  sec  12.9 GBytes  1.84 Gbits/sec                  sender
                              [  5]   0.00-60.00  sec  12.9 GBytes  1.84 Gbits/sec                  receiver
                              CPU Utilization: local/sender 8.1% (0.1%u/8.0%s), remote/receiver 7.6% (0.3%u/7.4%s)
                              rcv_tcp_congestion cubic
                              
                              T A 2 Replies Last reply Reply Quote 0
                              • stephenw10S
                                stephenw10 Netgate Administrator
                                last edited by

                                Odd. Your output seems to have a space where retr and cwnd would be shown, but isn't. Same iperf version.

                                1 Reply Last reply Reply Quote 0
                                • T
                                  TheNarc @roxy
                                  last edited by

                                  @roxy Apologies if I've somewhat lost the thread here but do you have a control, so to speak? That is to say, have you run iperf to the pfSense box from more than one host on your LAN and seen the same results? And, ideally, have you also run iperf tests directly between two hosts on your LAN and seen sustained 2.5Gbps throughput? Just trying to isolate variables. I wish I could help because it sounds like we have nearly (maybe exactly) identical pfSense hardware, except my whole LAN is still 1Gbps. I noticed from BIOS screen shots I took that I actually have ASPM enabled; haven't noticed any ill effects, but may disable it when I get a chance.

                                  Also have you tried a UDP iperf test? I think iperf3 -c <pfsense_ip> -u -b 2.5G should work. I'm not sure what we'll necessarily learn if that goes worse/same/better but it's another data point to gather.

                                  R 1 Reply Last reply Reply Quote 1
                                  • A
                                    AnonymousRetard @roxy
                                    last edited by AnonymousRetard

                                    @roxy I think we have the same hardware and BIOS. I am able to sustain about ~2.3 Gbits/sec constantly using iperf now that I have new 2.5Gbe switches. Based on your openssl benchmarks also getting slower over time while you say temperatures are fine I'd guess you are hitting power limits just like @TheNarc seemed to be doing. I'm not sure why my box never experienced these issues with the same BIOS version but I guess the default settings which are normally hidden might be different. You might have to flash the same custom BIOS @TheNarc did and play with the PL1 settings it can unlock.

                                    An explanation could be that the manufacturer of these boxes have realized they are not really built to passively cool a sustained heatload from these CPUs and have therefore added low sustained power limits (PL1) to remove crashes (which is an issue I experienced instead). So even though my box was performing much better out-of-the-box it would instead crash from sustained high temperatures and the only solution I found was to add an external fan blowing on the case. The CPU is fine with much higher temperatures but the other components in the very small and very badly ventilated box will cook the RAM and NVMe drives inside making them unstable because of the high ambient temperatures the CPU causes.

                                    R 1 Reply Last reply Reply Quote 1
                                    • R
                                      roxy @TheNarc
                                      last edited by

                                      @TheNarc

                                      Of course, I am open to talk.

                                      Thets right, we may have both similar hardware

                                      First, let me paste the output on iperf3 (client, MacOS) with your options -u -b 2.5G
                                      I see stable 2.4 Gbps 🎉 for 60 secs.

                                      ❯ iperf3 -c 192.168.18.200 -t 60 -u -b 2.5G -V                                                                       ─╯
                                      iperf 3.16
                                      Darwin roxys-mbp.local 23.4.0 Darwin Kernel Version 23.4.0: Fri Mar 15 00:10:42 PDT 2024; root:xnu-10063.101.17~1/RELEASE_ARM64_T6000 arm64
                                      Control connection MSS 1448
                                      Setting UDP block size to 1448
                                      Time: Wed, 03 Apr 2024 19:32:03 UTC
                                      Connecting to host 192.168.18.200, port 5201
                                            Cookie: q4zcsvcxyn4vkw6ppthdaoxjmthkmldp3eai
                                            Target Bitrate: 2500000000
                                      [  5] local 10.0.2.21 port 61476 connected to 192.168.18.200 port 5201
                                      Starting Test: protocol: UDP, 1 streams, 1448 byte blocks, omitting 0 seconds, 60 second test, tos 0
                                      [ ID] Interval           Transfer     Bitrate         Total Datagrams
                                      [  5]   0.00-1.00   sec   287 MBytes  2.40 Gbits/sec  207546
                                      [  5]   1.00-2.00   sec   285 MBytes  2.39 Gbits/sec  206445
                                      [  5]   2.00-3.00   sec   285 MBytes  2.39 Gbits/sec  206381
                                      [  5]   3.00-4.00   sec   285 MBytes  2.39 Gbits/sec  206378
                                      [  5]   4.00-5.00   sec   285 MBytes  2.39 Gbits/sec  206381
                                      [  5]   5.00-6.00   sec   285 MBytes  2.39 Gbits/sec  206333
                                      [  5]   6.00-7.00   sec   285 MBytes  2.39 Gbits/sec  206466
                                      [  5]   7.00-8.00   sec   285 MBytes  2.39 Gbits/sec  206470
                                      [  5]   8.00-9.00   sec   285 MBytes  2.39 Gbits/sec  206268
                                      [  5]   9.00-10.00  sec   285 MBytes  2.39 Gbits/sec  206338
                                      [  5]  10.00-11.00  sec   285 MBytes  2.39 Gbits/sec  206531
                                      [  5]  11.00-12.00  sec   285 MBytes  2.39 Gbits/sec  206339
                                      [  5]  12.00-13.00  sec   285 MBytes  2.39 Gbits/sec  206485
                                      [  5]  13.00-14.00  sec   285 MBytes  2.39 Gbits/sec  206331
                                      [  5]  14.00-15.00  sec   285 MBytes  2.39 Gbits/sec  206399
                                      [  5]  15.00-16.00  sec   285 MBytes  2.39 Gbits/sec  206370
                                      [  5]  16.00-17.00  sec   285 MBytes  2.39 Gbits/sec  206357
                                      [  5]  17.00-18.00  sec   285 MBytes  2.39 Gbits/sec  206353
                                      [  5]  18.00-19.00  sec   285 MBytes  2.39 Gbits/sec  206394
                                      [  5]  19.00-20.00  sec   285 MBytes  2.39 Gbits/sec  206312
                                      [  5]  20.00-21.00  sec   285 MBytes  2.39 Gbits/sec  206508
                                      [  5]  21.00-22.00  sec   285 MBytes  2.39 Gbits/sec  206282
                                      [  5]  22.00-23.00  sec   285 MBytes  2.39 Gbits/sec  206509
                                      [  5]  23.00-24.00  sec   285 MBytes  2.39 Gbits/sec  206332
                                      [  5]  24.00-25.00  sec   285 MBytes  2.39 Gbits/sec  206459
                                      [  5]  25.00-26.00  sec   285 MBytes  2.39 Gbits/sec  206396
                                      [  5]  26.00-27.00  sec   285 MBytes  2.39 Gbits/sec  206338
                                      [  5]  27.00-28.00  sec   285 MBytes  2.39 Gbits/sec  206402
                                      [  5]  28.00-29.00  sec   285 MBytes  2.39 Gbits/sec  206351
                                      [  5]  29.00-30.00  sec   285 MBytes  2.39 Gbits/sec  206362
                                      [  5]  30.00-31.00  sec   285 MBytes  2.39 Gbits/sec  206462
                                      [  5]  31.00-32.00  sec   285 MBytes  2.39 Gbits/sec  206355
                                      [  5]  32.00-33.00  sec   285 MBytes  2.39 Gbits/sec  206347
                                      [  5]  33.00-34.00  sec   285 MBytes  2.39 Gbits/sec  206477
                                      [  5]  34.00-35.00  sec   285 MBytes  2.39 Gbits/sec  206256
                                      [  5]  35.00-36.00  sec   285 MBytes  2.39 Gbits/sec  206372
                                      [  5]  36.00-37.00  sec   285 MBytes  2.39 Gbits/sec  206484
                                      [  5]  37.00-38.00  sec   285 MBytes  2.39 Gbits/sec  206253
                                      [  5]  38.00-39.00  sec   285 MBytes  2.39 Gbits/sec  206534
                                      [  5]  39.00-40.00  sec   285 MBytes  2.39 Gbits/sec  206246
                                      [  5]  40.00-41.00  sec   285 MBytes  2.39 Gbits/sec  206405
                                      [  5]  41.00-42.00  sec   285 MBytes  2.39 Gbits/sec  206485
                                      [  5]  42.00-43.00  sec   285 MBytes  2.39 Gbits/sec  206312
                                      [  5]  43.00-44.00  sec   285 MBytes  2.39 Gbits/sec  206413
                                      [  5]  44.00-45.00  sec   285 MBytes  2.39 Gbits/sec  206487
                                      [  5]  45.00-46.00  sec   285 MBytes  2.39 Gbits/sec  206258
                                      [  5]  46.00-47.00  sec   285 MBytes  2.39 Gbits/sec  206448
                                      [  5]  47.00-48.00  sec   285 MBytes  2.39 Gbits/sec  206659
                                      [  5]  48.00-49.00  sec   285 MBytes  2.39 Gbits/sec  206452
                                      [  5]  49.00-50.00  sec   285 MBytes  2.39 Gbits/sec  206271
                                      [  5]  50.00-51.00  sec   285 MBytes  2.39 Gbits/sec  206343
                                      [  5]  51.00-52.00  sec   285 MBytes  2.39 Gbits/sec  206516
                                      [  5]  52.00-53.00  sec   285 MBytes  2.39 Gbits/sec  206392
                                      [  5]  53.00-54.00  sec   285 MBytes  2.39 Gbits/sec  206273
                                      [  5]  54.00-55.00  sec   285 MBytes  2.39 Gbits/sec  206523
                                      [  5]  55.00-56.00  sec   285 MBytes  2.39 Gbits/sec  206201
                                      [  5]  56.00-57.00  sec   285 MBytes  2.39 Gbits/sec  206410
                                      [  5]  57.00-58.00  sec   285 MBytes  2.39 Gbits/sec  206433
                                      [  5]  58.00-59.00  sec   285 MBytes  2.39 Gbits/sec  206317
                                      [  5]  59.00-60.00  sec   285 MBytes  2.39 Gbits/sec  206401
                                      - - - - - - - - - - - - - - - - - - - - - - - - -
                                      Test Complete. Summary Results:
                                      [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
                                      [  5]   0.00-60.00  sec  16.7 GBytes  2.39 Gbits/sec  0.000 ms  0/12384601 (0%)  sender
                                      [  5]   0.00-60.01  sec  10.0 GBytes  1.44 Gbits/sec  0.014 ms  0/12379713 (0%)  receiver
                                      CPU Utilization: local/sender 90.9% (18.3%u/72.5%s), remote/receiver 26.0% (2.8%u/23.1%s)
                                      
                                      iperf Done.
                                      

                                      The option -u is using UDP rather than TCP.
                                      When I run iperf3 without -u, i.e. with TCP, I still the speed decreased to 1.2 Gbps (but if if the test takes longer, the speed converges to 1.9 GBps)

                                      ❯ iperf3 -c 192.168.18.200 -t 60 -V                                                                                  ─╯
                                      iperf 3.16
                                      Darwin roxys-mbp.local 23.4.0 Darwin Kernel Version 23.4.0: Fri Mar 15 00:10:42 PDT 2024; root:xnu-10063.101.17~1/RELEASE_ARM64_T6000 arm64
                                      Control connection MSS 1448
                                      Time: Wed, 03 Apr 2024 19:33:50 UTC
                                      Connecting to host 192.168.18.200, port 5201
                                            Cookie: oybbl36xu7jrh7vmufngybr4arqe6fdymo7m
                                            TCP MSS: 1448 (default)
                                      [  5] local 10.0.2.21 port 57879 connected to 192.168.18.200 port 5201
                                      Starting Test: protocol: TCP, 1 streams, 131072 byte blocks, omitting 0 seconds, 60 second test, tos 0
                                      [ ID] Interval           Transfer     Bitrate
                                      [  5]   0.00-1.00   sec   283 MBytes  2.37 Gbits/sec
                                      [  5]   1.00-2.00   sec   282 MBytes  2.35 Gbits/sec
                                      [  5]   2.00-3.00   sec   281 MBytes  2.35 Gbits/sec
                                      [  5]   3.00-4.00   sec   280 MBytes  2.35 Gbits/sec
                                      [  5]   4.00-5.00   sec   281 MBytes  2.35 Gbits/sec
                                      [  5]   5.00-6.00   sec   281 MBytes  2.35 Gbits/sec
                                      [  5]   6.00-7.00   sec   280 MBytes  2.35 Gbits/sec
                                      [  5]   7.00-8.00   sec   280 MBytes  2.35 Gbits/sec
                                      [  5]   8.00-9.00   sec   280 MBytes  2.35 Gbits/sec
                                      [  5]   9.00-10.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  10.00-11.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  11.00-12.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  12.00-13.00  sec   281 MBytes  2.35 Gbits/sec
                                      [  5]  13.00-14.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  14.00-15.00  sec   279 MBytes  2.34 Gbits/sec
                                      [  5]  15.00-16.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  16.00-17.00  sec   281 MBytes  2.35 Gbits/sec
                                      [  5]  17.00-18.00  sec   280 MBytes  2.35 Gbits/sec
                                      [  5]  18.00-19.00  sec   183 MBytes  1.53 Gbits/sec
                                      [  5]  19.00-20.00  sec   246 MBytes  2.07 Gbits/sec
                                      [  5]  20.00-21.00  sec   176 MBytes  1.48 Gbits/sec
                                      [  5]  21.00-22.00  sec   154 MBytes  1.29 Gbits/sec
                                      [  5]  22.00-23.00  sec   134 MBytes  1.12 Gbits/sec
                                      [  5]  23.00-24.00  sec   138 MBytes  1.16 Gbits/sec
                                      [  5]  24.00-25.00  sec   146 MBytes  1.22 Gbits/sec
                                      [  5]  25.00-26.00  sec   147 MBytes  1.24 Gbits/sec
                                      [  5]  26.00-27.00  sec   150 MBytes  1.26 Gbits/sec
                                      [  5]  27.00-28.00  sec   150 MBytes  1.26 Gbits/sec
                                      [  5]  28.00-29.00  sec   141 MBytes  1.19 Gbits/sec
                                      [  5]  29.00-30.00  sec   155 MBytes  1.30 Gbits/sec
                                      [  5]  30.00-31.00  sec   134 MBytes  1.12 Gbits/sec
                                      [  5]  31.00-32.00  sec   156 MBytes  1.31 Gbits/sec
                                      [  5]  32.00-33.00  sec   154 MBytes  1.29 Gbits/sec
                                      [  5]  33.00-34.01  sec   154 MBytes  1.29 Gbits/sec
                                      [  5]  34.01-35.00  sec   154 MBytes  1.30 Gbits/sec
                                      [  5]  35.00-36.01  sec   153 MBytes  1.28 Gbits/sec
                                      [  5]  36.01-37.01  sec   155 MBytes  1.30 Gbits/sec
                                      [  5]  37.01-38.00  sec   149 MBytes  1.26 Gbits/sec
                                      [  5]  38.00-39.00  sec   148 MBytes  1.23 Gbits/sec
                                      [  5]  39.00-40.00  sec   155 MBytes  1.30 Gbits/sec
                                      [  5]  40.00-41.00  sec   155 MBytes  1.30 Gbits/sec
                                      [  5]  41.00-42.00  sec   154 MBytes  1.29 Gbits/sec
                                      [  5]  42.00-43.00  sec   152 MBytes  1.27 Gbits/sec
                                      [  5]  43.00-44.00  sec   155 MBytes  1.29 Gbits/sec
                                      [  5]  44.00-45.00  sec   178 MBytes  1.50 Gbits/sec
                                      [  5]  45.00-46.00  sec   178 MBytes  1.50 Gbits/sec
                                      [  5]  46.00-47.00  sec   192 MBytes  1.61 Gbits/sec
                                      [  5]  47.00-48.01  sec   214 MBytes  1.79 Gbits/sec
                                      [  5]  48.01-49.00  sec   200 MBytes  1.69 Gbits/sec
                                      [  5]  49.00-50.01  sec   221 MBytes  1.85 Gbits/sec
                                      [  5]  50.01-51.00  sec   209 MBytes  1.76 Gbits/sec
                                      [  5]  51.00-52.01  sec   190 MBytes  1.59 Gbits/sec
                                      [  5]  52.01-53.01  sec   188 MBytes  1.58 Gbits/sec
                                      [  5]  53.01-54.00  sec   205 MBytes  1.73 Gbits/sec
                                      [  5]  54.00-55.01  sec   206 MBytes  1.72 Gbits/sec
                                      [  5]  55.01-56.00  sec   208 MBytes  1.75 Gbits/sec
                                      [  5]  56.00-57.01  sec   211 MBytes  1.76 Gbits/sec
                                      [  5]  57.01-58.00  sec   189 MBytes  1.58 Gbits/sec
                                      [  5]  58.00-59.00  sec   199 MBytes  1.67 Gbits/sec
                                      [  5]  59.00-60.00  sec   208 MBytes  1.74 Gbits/sec
                                      - - - - - - - - - - - - - - - - - - - - - - - - -
                                      Test Complete. Summary Results:
                                      [ ID] Interval           Transfer     Bitrate
                                      [  5]   0.00-60.00  sec  12.0 GBytes  1.72 Gbits/sec                  sender
                                      [  5]   0.00-60.01  sec  12.0 GBytes  1.72 Gbits/sec                  receiver
                                      CPU Utilization: local/sender 7.9% (0.1%u/7.8%s), remote/receiver 4.5% (0.2%u/4.3%s)
                                      rcv_tcp_congestion cubic
                                      
                                      iperf Done.
                                      

                                      Let me describe my setup.
                                      I have two Intel N100 :-) machines. Both have 4 x 2.5 Gbps Intel NIC i226V . Both from TopTon ;-)
                                      One is quite fresh, and I see diferent BIOS-es on both of them. First machine (older one) does have Performance in bios Advanced tab. Second machine (newer on) does not :-(

                                      I have installed Proxmox on first (older) machine, and some time ago I experimented with pfsense running in VM.
                                      But now, I have installed pfsense on bare metal second machine (newer one).

                                      The pfsense NICs are physical ports and I named them as follows: (WAN) ISP, LAN, DMZ and SERVICES.
                                      The proxmox ports are as follows

                                      • vmbr1 (SERVICES) : enp4s0
                                      • vmbr2 (LAN) : enp2s0
                                      • vmbr3 (DMZ): enp1s0, enp3s0 - yeas, I have bridged two NICs

                                      enp1s0 is connected to pfsense's DMZ
                                      enp3s0 is connected to my MacBook's eth card (usb 2.5 Gbps)

                                      I have started two Linux Containerx in Proxmox (ubuntu 22.04 + iperf3 running):

                                      • Container1: connected with vmbr3 (DMZ)
                                      • Container2: connected with vmbr1 (SERVICES)

                                      When I run iperf3 -c <ip> from my Macboox I am in the DMZ network, so the traffic goes to Proxmox's enp3s0 and directly to vmb3 and to the iperf3 server running in VM (Container1).
                                      Then I see no traffic in pfsense. This is ok to me. I would expect such behaviour, since this looks like connecting two devices in the same network (connected with vmbr - switch).
                                      But when I ask iperf3 -c <ip> with ip from SERVICES network, then I see ..... what I presented above.
                                      The traffic goes to proxmox first, but there is no bridge, and the traffic has to go from Proxmox machine to my pfsense through
                                      Macbookx -> proxmox enp3s0 : vmbr3 : enp1s0 -> pfsense DMZ --- firewall rules --- pfsense SERVICES -> proxmox enp4s0 : vmbr1 --> Container 2

                                      I think this really tests if my pfsense is able to handle 2.5 Gbps
                                      I tried to simply my pfsense rules on DMZ interface, but I didn't see any difference if there was only one rule Pass Any Traffic

                                      1 Reply Last reply Reply Quote 0
                                      • stephenw10S
                                        stephenw10 Netgate Administrator
                                        last edited by

                                        @roxy said in Topton N100 Reporting 402 MHz:

                                        Test Complete. Summary Results:
                                        [ ID] Interval Transfer Bitrate Jitter Lost/Total Datagrams
                                        [ 5] 0.00-60.00 sec 16.7 GBytes 2.39 Gbits/sec 0.000 ms 0/12384601 (0%) sender
                                        [ 5] 0.00-60.01 sec 10.0 GBytes 1.44 Gbits/sec 0.014 ms 0/12379713 (0%) receiver
                                        CPU Utilization: local/sender 90.9% (18.3%u/72.5%s), remote/receiver 26.0% (2.8%u/23.1%s)

                                        That's the important part there. When testing with UDP there is no reply traffic so the sender just sends at whatever speed you tell it to. BUT the receiver only actually saw 1.4Gbps. Unclear why it doesn't show a large loss % there unless it didn't in fact actually send.
                                        What does the server end show for that test?

                                        R 1 Reply Last reply Reply Quote 0
                                        • R
                                          roxy @AnonymousRetard
                                          last edited by

                                          @AnonymousRetard

                                          I would be very thankful, if you could share the link to bios and the ISO file with instruction how to upgrade the bios.

                                          My machine with pfsense has no option about Power Performance in the BIOS.
                                          24-04-03 10-51-02 5101.jpg 24-04-03 10-53-59 5106.jpg

                                          T 1 Reply Last reply Reply Quote 0
                                          • R
                                            roxy @stephenw10
                                            last edited by

                                            @stephenw10

                                            Here is the output of iperf on server side

                                            Server listening on 5201
                                            -----------------------------------------------------------
                                            Time: Wed, 03 Apr 2024 20:07:28 GMT
                                            Accepted connection from 10.0.2.21, port 58347
                                                  Cookie: kmci352mh4io6chfwtgjqwhuehic7m62q6hd
                                                  Target Bitrate: 2500000000
                                            [  5] local 192.168.18.200 port 5201 connected to 10.0.2.21 port 63601
                                            Starting Test: protocol: UDP, 1 streams, 1448 byte blocks, omitting 0 seconds, 60 second test, tos 0
                                            [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
                                            [  5]   0.00-1.00   sec   279 MBytes  2.34 Gbits/sec  0.008 ms  2966/205296 (1.4%)  
                                            [  5]   1.00-2.00   sec   281 MBytes  2.36 Gbits/sec  0.004 ms  2978/206332 (1.4%)  
                                            [  5]   2.00-3.00   sec   267 MBytes  2.23 Gbits/sec  0.141 ms  12941/206131 (6.3%)  
                                            [  5]   3.00-4.00   sec   280 MBytes  2.36 Gbits/sec  0.002 ms  3544/206604 (1.7%)  
                                            [  5]   4.00-5.00   sec   282 MBytes  2.37 Gbits/sec  0.002 ms  1698/206253 (0.82%)  
                                            [  5]   5.00-6.00   sec   282 MBytes  2.37 Gbits/sec  0.003 ms  2240/206403 (1.1%)  
                                            [  5]   6.00-7.00   sec   283 MBytes  2.37 Gbits/sec  0.003 ms  1406/206361 (0.68%)  
                                            [  5]   7.00-8.00   sec   269 MBytes  2.26 Gbits/sec  0.003 ms  11370/206372 (5.5%)  
                                            [  5]   8.00-9.00   sec   280 MBytes  2.35 Gbits/sec  0.002 ms  3777/206369 (1.8%)  
                                            [  5]   9.00-10.00  sec   283 MBytes  2.37 Gbits/sec  0.005 ms  1385/206401 (0.67%)  
                                            [  5]  10.00-11.00  sec   281 MBytes  2.36 Gbits/sec  0.002 ms  3063/206405 (1.5%)  
                                            [  5]  11.00-12.00  sec   283 MBytes  2.37 Gbits/sec  0.008 ms  1682/206392 (0.81%)  
                                            [  5]  12.00-13.00  sec   274 MBytes  2.30 Gbits/sec  0.011 ms  7850/206174 (3.8%)  
                                            [  5]  13.00-14.00  sec   279 MBytes  2.34 Gbits/sec  0.002 ms  3002/205331 (1.5%)  
                                            [  5]  14.00-15.00  sec   220 MBytes  1.85 Gbits/sec  0.004 ms  46443/205734 (23%)  
                                            [  5]  15.00-16.00  sec   176 MBytes  1.48 Gbits/sec  0.004 ms  78575/206230 (38%)  
                                            [  5]  16.00-17.00  sec   174 MBytes  1.46 Gbits/sec  0.013 ms  80466/206449 (39%)  
                                            [  5]  17.00-18.00  sec   173 MBytes  1.46 Gbits/sec  0.017 ms  80174/205795 (39%)  
                                            [  5]  18.00-19.00  sec   170 MBytes  1.43 Gbits/sec  0.014 ms  83626/206832 (40%)  
                                            [  5]  19.00-20.00  sec   174 MBytes  1.46 Gbits/sec  0.010 ms  80084/206016 (39%)  
                                            [  5]  20.00-21.00  sec   168 MBytes  1.41 Gbits/sec  0.011 ms  84685/206555 (41%)  
                                            [  5]  21.00-22.00  sec   175 MBytes  1.46 Gbits/sec  0.012 ms  80001/206417 (39%)  
                                            [  5]  22.00-23.00  sec   170 MBytes  1.43 Gbits/sec  0.004 ms  83025/206048 (40%)  
                                            [  5]  23.00-24.00  sec   174 MBytes  1.46 Gbits/sec  0.004 ms  80145/206175 (39%)  
                                            [  5]  24.00-25.00  sec   174 MBytes  1.46 Gbits/sec  0.012 ms  80689/206907 (39%)  
                                            [  5]  25.00-26.00  sec   176 MBytes  1.47 Gbits/sec  0.004 ms  78746/205936 (38%)  
                                            [  5]  26.00-27.00  sec   175 MBytes  1.47 Gbits/sec  0.004 ms  79499/206541 (38%)  
                                            [  5]  27.00-28.00  sec   174 MBytes  1.46 Gbits/sec  0.008 ms  80868/206754 (39%)  
                                            [  5]  28.00-29.00  sec   175 MBytes  1.47 Gbits/sec  0.004 ms  79228/206089 (38%)  
                                            [  5]  29.00-30.00  sec   174 MBytes  1.46 Gbits/sec  0.013 ms  80242/206141 (39%)  
                                            [  5]  30.00-31.00  sec   174 MBytes  1.46 Gbits/sec  0.013 ms  80401/206639 (39%)  
                                            [  5]  31.00-32.00  sec   171 MBytes  1.44 Gbits/sec  0.004 ms  82607/206593 (40%)  
                                            [  5]  32.00-33.00  sec   163 MBytes  1.37 Gbits/sec  0.004 ms  87459/205775 (43%)  
                                            [  5]  33.00-34.00  sec   163 MBytes  1.37 Gbits/sec  0.004 ms  88392/206567 (43%)  
                                            [  5]  34.00-35.00  sec   164 MBytes  1.38 Gbits/sec  0.004 ms  87857/206668 (43%)  
                                            [  5]  35.00-36.00  sec   165 MBytes  1.38 Gbits/sec  0.014 ms  87006/206455 (42%)  
                                            [  5]  36.00-37.00  sec   165 MBytes  1.38 Gbits/sec  0.007 ms  86617/205829 (42%)  
                                            [  5]  37.00-38.00  sec   161 MBytes  1.35 Gbits/sec  0.005 ms  89475/206368 (43%)  
                                            [  5]  38.00-39.00  sec   163 MBytes  1.37 Gbits/sec  0.012 ms  88176/206412 (43%)  
                                            [  5]  39.00-40.00  sec   165 MBytes  1.38 Gbits/sec  0.012 ms  87100/206534 (42%)  
                                            [  5]  40.00-41.00  sec   163 MBytes  1.37 Gbits/sec  0.013 ms  88299/206425 (43%)  
                                            [  5]  41.00-42.00  sec   164 MBytes  1.38 Gbits/sec  0.004 ms  87527/206649 (42%)  
                                            [  5]  42.00-43.00  sec   160 MBytes  1.34 Gbits/sec  0.004 ms  90439/206193 (44%)  
                                            [  5]  43.00-44.00  sec   164 MBytes  1.37 Gbits/sec  0.009 ms  87612/206096 (43%)  
                                            [  5]  44.00-45.00  sec   159 MBytes  1.33 Gbits/sec  0.004 ms  91141/206329 (44%)  
                                            [  5]  45.00-46.00  sec   165 MBytes  1.38 Gbits/sec  0.007 ms  87291/206462 (42%)  
                                            [  5]  46.00-47.00  sec   163 MBytes  1.37 Gbits/sec  0.013 ms  88283/206609 (43%)  
                                            [  5]  47.00-48.00  sec   164 MBytes  1.37 Gbits/sec  0.014 ms  87942/206502 (43%)  
                                            [  5]  48.00-49.00  sec   164 MBytes  1.38 Gbits/sec  0.008 ms  87637/206516 (42%)  
                                            [  5]  49.00-50.00  sec   165 MBytes  1.38 Gbits/sec  0.006 ms  87192/206386 (42%)  
                                            [  5]  50.00-51.00  sec   163 MBytes  1.37 Gbits/sec  0.011 ms  88272/206318 (43%)  
                                            [  5]  51.00-52.00  sec   164 MBytes  1.38 Gbits/sec  0.013 ms  86997/205996 (42%)  
                                            [  5]  52.00-53.00  sec   162 MBytes  1.36 Gbits/sec  0.004 ms  89590/206568 (43%)  
                                            [  5]  53.00-54.00  sec   163 MBytes  1.36 Gbits/sec  0.006 ms  88809/206489 (43%)  
                                            [  5]  54.00-55.00  sec   164 MBytes  1.37 Gbits/sec  0.009 ms  88019/206431 (43%)  
                                            [  5]  55.00-56.00  sec   165 MBytes  1.38 Gbits/sec  0.004 ms  87189/206516 (42%)  
                                            [  5]  56.00-57.00  sec   165 MBytes  1.38 Gbits/sec  0.004 ms  86963/206396 (42%)  
                                            [  5]  57.00-58.00  sec   164 MBytes  1.38 Gbits/sec  0.014 ms  87700/206487 (42%)  
                                            [  5]  58.00-59.00  sec   163 MBytes  1.36 Gbits/sec  0.004 ms  87945/205709 (43%)  
                                            [  5]  59.00-60.00  sec   165 MBytes  1.38 Gbits/sec  0.005 ms  87183/206435 (42%)  
                                            [  5]  60.00-60.00  sec   672 KBytes  1.36 Gbits/sec  0.007 ms  716/1191 (60%)  
                                            - - - - - - - - - - - - - - - - - - - - - - - - -
                                            Test Complete. Summary Results:
                                            [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
                                            [  5] (sender statistics not available)
                                            [SUM]  0.0-60.0 sec  18746 datagrams received out-of-order
                                            [  5]   0.00-60.00  sec  11.4 GBytes  1.63 Gbits/sec  0.007 ms  3944234/12379986 (32%)  receiver
                                            iperf 3.9
                                            Linux iperf 6.5.13-3-pve #1 SMP PREEMPT_DYNAMIC PMX 6.5.13-3 (2024-03-20T10:45Z) x86_64
                                            -----------------------------------------------------------
                                            Server listening on 5201
                                            -----------------------------------------------------------
                                            

                                            and here is the output on client side (MacOS)

                                            ❯ iperf3 -c 192.168.18.200 -t 60 -u -b 2.5G -V                                                                                                                              ─╯
                                            iperf 3.16
                                            Darwin roxys-mbp.local 23.4.0 Darwin Kernel Version 23.4.0: Fri Mar 15 00:10:42 PDT 2024; root:xnu-10063.101.17~1/RELEASE_ARM64_T6000 arm64
                                            Control connection MSS 1448
                                            Setting UDP block size to 1448
                                            Time: Wed, 03 Apr 2024 20:07:28 UTC
                                            Connecting to host 192.168.18.200, port 5201
                                                  Cookie: kmci352mh4io6chfwtgjqwhuehic7m62q6hd
                                                  Target Bitrate: 2500000000
                                            [  5] local 10.0.2.21 port 63601 connected to 192.168.18.200 port 5201
                                            Starting Test: protocol: UDP, 1 streams, 1448 byte blocks, omitting 0 seconds, 60 second test, tos 0
                                            [ ID] Interval           Transfer     Bitrate         Total Datagrams
                                            [  5]   0.00-1.00   sec   288 MBytes  2.41 Gbits/sec  208278
                                            [  5]   1.00-2.00   sec   285 MBytes  2.39 Gbits/sec  206327
                                            [  5]   2.00-3.00   sec   285 MBytes  2.39 Gbits/sec  206373
                                            [  5]   3.00-4.00   sec   285 MBytes  2.39 Gbits/sec  206285
                                            [  5]   4.00-5.00   sec   285 MBytes  2.39 Gbits/sec  206448
                                            [  5]   5.00-6.00   sec   285 MBytes  2.39 Gbits/sec  206320
                                            [  5]   6.00-7.00   sec   285 MBytes  2.39 Gbits/sec  206484
                                            [  5]   7.00-8.00   sec   285 MBytes  2.39 Gbits/sec  206329
                                            [  5]   8.00-9.00   sec   285 MBytes  2.39 Gbits/sec  206472
                                            [  5]   9.00-10.00  sec   285 MBytes  2.39 Gbits/sec  206409
                                            [  5]  10.00-11.00  sec   285 MBytes  2.39 Gbits/sec  206371
                                            [  5]  11.00-12.00  sec   285 MBytes  2.39 Gbits/sec  206434
                                            [  5]  12.00-13.00  sec   285 MBytes  2.39 Gbits/sec  206296
                                            [  5]  13.00-14.00  sec   285 MBytes  2.39 Gbits/sec  206422
                                            [  5]  14.00-15.00  sec   285 MBytes  2.39 Gbits/sec  206395
                                            [  5]  15.00-16.00  sec   285 MBytes  2.39 Gbits/sec  206292
                                            [  5]  16.00-17.00  sec   285 MBytes  2.39 Gbits/sec  206444
                                            [  5]  17.00-18.00  sec   285 MBytes  2.39 Gbits/sec  206422
                                            [  5]  18.00-19.00  sec   285 MBytes  2.39 Gbits/sec  206325
                                            [  5]  19.00-20.00  sec   285 MBytes  2.39 Gbits/sec  206399
                                            [  5]  20.00-21.00  sec   285 MBytes  2.39 Gbits/sec  206316
                                            [  5]  21.00-22.00  sec   285 MBytes  2.39 Gbits/sec  206491
                                            [  5]  22.00-23.00  sec   285 MBytes  2.39 Gbits/sec  206291
                                            [  5]  23.00-24.00  sec   285 MBytes  2.39 Gbits/sec  206453
                                            [  5]  24.00-25.00  sec   285 MBytes  2.39 Gbits/sec  206358
                                            [  5]  25.00-26.00  sec   285 MBytes  2.39 Gbits/sec  206349
                                            [  5]  26.00-27.00  sec   285 MBytes  2.39 Gbits/sec  206477
                                            [  5]  27.00-28.00  sec   285 MBytes  2.39 Gbits/sec  206393
                                            [  5]  28.00-29.00  sec   285 MBytes  2.39 Gbits/sec  206454
                                            [  5]  29.00-30.00  sec   285 MBytes  2.39 Gbits/sec  206262
                                            [  5]  30.00-31.00  sec   285 MBytes  2.39 Gbits/sec  206515
                                            [  5]  31.00-32.00  sec   285 MBytes  2.39 Gbits/sec  206328
                                            [  5]  32.00-33.00  sec   285 MBytes  2.39 Gbits/sec  206272
                                            [  5]  33.00-34.00  sec   285 MBytes  2.39 Gbits/sec  206456
                                            [  5]  34.00-35.00  sec   285 MBytes  2.39 Gbits/sec  206449
                                            [  5]  35.00-36.00  sec   285 MBytes  2.39 Gbits/sec  206259
                                            [  5]  36.00-37.00  sec   285 MBytes  2.39 Gbits/sec  206438
                                            [  5]  37.00-38.00  sec   285 MBytes  2.39 Gbits/sec  206453
                                            [  5]  38.00-39.00  sec   285 MBytes  2.39 Gbits/sec  206382
                                            [  5]  39.00-40.00  sec   285 MBytes  2.39 Gbits/sec  206296
                                            [  5]  40.00-41.00  sec   285 MBytes  2.39 Gbits/sec  206490
                                            [  5]  41.00-42.00  sec   285 MBytes  2.39 Gbits/sec  206334
                                            [  5]  42.00-43.00  sec   285 MBytes  2.39 Gbits/sec  206429
                                            [  5]  43.00-44.00  sec   285 MBytes  2.39 Gbits/sec  206423
                                            [  5]  44.00-45.00  sec   285 MBytes  2.39 Gbits/sec  206342
                                            [  5]  45.00-46.00  sec   285 MBytes  2.39 Gbits/sec  206319
                                            [  5]  46.00-47.00  sec   285 MBytes  2.39 Gbits/sec  206422
                                            [  5]  47.00-48.00  sec   285 MBytes  2.39 Gbits/sec  206468
                                            [  5]  48.00-49.00  sec   285 MBytes  2.39 Gbits/sec  206198
                                            [  5]  49.00-50.00  sec   285 MBytes  2.39 Gbits/sec  206460
                                            [  5]  50.00-51.00  sec   285 MBytes  2.39 Gbits/sec  206363
                                            [  5]  51.00-52.00  sec   285 MBytes  2.39 Gbits/sec  206525
                                            [  5]  52.00-53.00  sec   285 MBytes  2.39 Gbits/sec  206222
                                            [  5]  53.00-54.00  sec   285 MBytes  2.39 Gbits/sec  206451
                                            [  5]  54.00-55.00  sec   285 MBytes  2.39 Gbits/sec  206297
                                            [  5]  55.00-56.00  sec   285 MBytes  2.39 Gbits/sec  206428
                                            [  5]  56.00-57.00  sec   285 MBytes  2.39 Gbits/sec  206497
                                            [  5]  57.00-58.00  sec   285 MBytes  2.39 Gbits/sec  206403
                                            [  5]  58.00-59.00  sec   285 MBytes  2.39 Gbits/sec  206335
                                            [  5]  59.00-60.00  sec   285 MBytes  2.39 Gbits/sec  206447
                                            - - - - - - - - - - - - - - - - - - - - - - - - -
                                            Test Complete. Summary Results:
                                            [ ID] Interval           Transfer     Bitrate         Jitter    Lost/Total Datagrams
                                            [  5]   0.00-60.00  sec  16.7 GBytes  2.39 Gbits/sec  0.000 ms  0/12385070 (0%)  sender
                                            [  5]   0.00-60.00  sec  11.4 GBytes  1.63 Gbits/sec  0.007 ms  0/12379986 (0%)  receiver
                                            CPU Utilization: local/sender 91.6% (18.2%u/73.3%s), remote/receiver 24.8% (2.8%u/21.9%s)
                                            
                                            iperf Done.
                                            

                                            I have also started netstat -i when server was saying about 1.4 Gbps

                                            igc2      1500 <Link#3>            00:d0:b4:02:1c:b8                        889310806     0     0   28809147     0     0
                                            igc2         - fe80::%igc2/64      fe80::2d0:b4ff:fe02:1cb8%igc2                    0     -     -          1     -     -
                                            igc2         - 10.0.2.0/24         10.0.2.1                                        27     -     -      45202     -     -
                                            igc3      1500 <Link#4>            00:d0:b4:02:1c:b9                         28898629     0     0  877373098     0     0
                                            igc3         - fe80::%igc3/64      fe80::2d0:b4ff:fe02:1cb9%igc3                    0     -     -          0     -     -
                                            igc3         - 192.168.18.0/24     192.168.18.1                                  5279     -     -       5249     -     -
                                            
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