Hi,
thank you Stu for the feedback. Turns out the problem was one of the
cables. It is advertised as 5E, but maybe there is something fishy
with it. Fact is, I bought another, changed it, and now I got
something around 95 MBytes/s of LAN transfer rate.
Best,
Vitor
Em qui., 2 de fev. de 2023 às 13:21, vitmaubra@gmail.com
<vitmaubra@gmail.com> escreveu:
>
> Hello guys,
>
> I'm having problems trying to improve my transfer speed over LAN. I
> can't consistently reach speeds over 10 MBytes/s using iPerf (real
> disk writing transfers with scp render basically the same results).
> Since both server (OpenBSD) and client (Windows) are able to reach
> speeds over 30 MBytes/s downloading files from the internet, I reckon
> there's something to be tweaked on my machines. Any thoughts regarding
> what can be done on the server?
>
> I already tried to no avail what is suggested here:
> http://dant.net.ru/calomel/network_performance.html
>
> Here is there relevant part of my dmesg:
> OpenBSD 7.2 (GENERIC.MP) #5: Wed Jan 11 01:03:12 MST 2023
> em0 at pci0 dev 25 function 0 "Intel ICH10 D BM LM" rev 0x02: apic 2 int 20
>
> Here's my ifconfig output:
> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 32768
> index 3 priority 0 llprio 3
> groups: lo
> inet6 ::1 prefixlen 128
> inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
> inet 127.0.0.1 netmask 0xff000000
> em0: flags=808843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,AUTOCONF4> mtu 1500
> lladdr
> index 1 priority 0 llprio 3
> groups: egress
> media: Ethernet autoselect (1000baseT full-duplex,rxpause,txpause)
> status: active
> inet 192.168.1.2 netmask 0xffffff00 broadcast 192.168.1.255
> enc0: flags=0<>
> index 2 priority 0 llprio 3
> groups: enc
> status: active
> pflog0: flags=141<UP,RUNNING,PROMISC> mtu 33136
> index 4 priority 0 llprio 3
> groups: pflog
>
> Best,
> Vitor
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