iperf3: error - unable to write to stream socket: Connection reset by peer

[Carlos7619]

Computer with Windows 10 and two network interface one dedicated to client, another to server. The two interface are connected to a router that we want to test (correctly configured).
I launch following commands:
Server side: iperf3.exe -s -i 1 -p 5001 -B 192.168.1.100 -f k
Client side : iperf3.exe -c 192.168.1.100 -P 1 -i 1 -p 5001 -w 56.0K -B 192.168.2.100 -N -f k -t 10

If I disconnect ethernet cable and connect it again the connection is resetted (Please see picture below displaying server and client windows).
With Windows 7 it was working fine, the connection was not resetted and client was continuing to perform measures of bandwith.
Please help to fix this issue (any windows 10 configuration to change or timeout setting in iperf client, ... ?).

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[oliveiraleo]

@Carlos7619 Do you still have this problem or is it solved already? I'm trying to run a test between a Ubuntu iperf3 server and a Windows 10 machine but this error stops the test.
Maybe should I change any configuration?

[bmah888]

@Carlos7619 It feels like this is really a Windows networking issue, not related to iperf3. We don't really have the ability to troubleshoot issues with Windows...iperf3 isn't even officially supported by ESnet for the Windows platform. Apologies, I don't think we can help with this.

(The build you're running is produced by a third party. It's also a very old version of iperf3.)

[asterwyx]

I'm having problems as well in my local area network. I want to measure SCTP performance between two servers. Both of their iperf version is 3.10.1 and the os version is CentOS 7.9.2009. I have run service firewalld stop to stop firewalld. I run
iperf3 -s --debug
on one server and then:
iperf3 -c 192.168.0.89 --sctp -i 1 -t 30 -p 5201
on another server. I got the below output on the server:

# iperf3 -s --debug
-----------------------------------------------------------
Server listening on 5201 (test #1)
-----------------------------------------------------------
get_parameters:
{
        "sctp": true,
        "omit": 0,
        "time": 30,
        "parallel":     1,
        "len":  65536,
        "pacing_timer": 1000,
        "client_version":       "3.10.1"
}
Accepted connection from 192.168.0.88, port 50492
[  5] local 192.168.0.89 port 5201 connected to 192.168.0.88 port 37184
interval_len 1.000067 bytes_transferred 117833728
interval forces keep
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   112 MBytes   943 Mbits/sec
iperf3: error - unable to read from stream socket: Bad file descriptor

and on the client:

# iperf3 -c 192.168.0.89 --sctp -i 1 -t 30 -p 5201
Connecting to host 192.168.0.89, port 5201
[  5] local 192.168.0.88 port 37184 connected to 192.168.0.89 port 5201
[ ID] Interval           Transfer     Bitrate
[  5]   0.00-1.00   sec   113 MBytes   944 Mbits/sec
iperf3: error - unable to write to stream socket: Connection reset by peer

I have no idea why this happens, please reopen this issue. Thanks!