Thunderbolt connection slow to vm

kodyxgen

New Member
Dec 19, 2024
1
0
1
Hello,
i have a strange situation, i managed to setup thunderbolt connection on proxmox ve and my mac.
I am getting good results if i run iperf3 to the proxmox machine (ms-01)
Code:
iperf3 -c 17.1.1.1 --bidir
Connecting to host 17.1.1.1, port 5201
[  5] local 17.1.1.100 port 54764 connected to 17.1.1.1 port 5201
[  7] local 17.1.1.100 port 54765 connected to 17.1.1.1 port 5201
[ ID][Role] Interval           Transfer     Bitrate
[  5][TX-C]   0.00-1.00   sec  1.33 GBytes  11.3 Gbits/sec                 
[  7][RX-C]   0.00-1.01   sec  1.40 GBytes  12.0 Gbits/sec                 
[  5][TX-C]   1.00-2.00   sec  1.35 GBytes  11.6 Gbits/sec                 
[  7][RX-C]   1.01-2.01   sec  1.87 GBytes  16.1 Gbits/sec                 
[  5][TX-C]   2.00-3.01   sec  1.41 GBytes  12.1 Gbits/sec                 
[  7][RX-C]   2.01-3.01   sec  2.00 GBytes  17.2 Gbits/sec                 
[  5][TX-C]   3.01-4.00   sec  1.31 GBytes  11.3 Gbits/sec                 
[  7][RX-C]   3.01-4.00   sec  1.76 GBytes  15.1 Gbits/sec                 
[  5][TX-C]   4.00-5.01   sec  1.32 GBytes  11.3 Gbits/sec                 
[  7][RX-C]   4.00-5.01   sec  1.52 GBytes  13.1 Gbits/sec                 
[  5][TX-C]   5.01-6.00   sec  1.40 GBytes  12.1 Gbits/sec                 
[  7][RX-C]   5.01-6.00   sec  1.96 GBytes  16.9 Gbits/sec                 
[  5][TX-C]   6.00-7.00   sec  1.44 GBytes  12.4 Gbits/sec                 
[  7][RX-C]   6.00-7.00   sec  1.97 GBytes  16.9 Gbits/sec                 
[  5][TX-C]   7.00-8.00   sec  1.39 GBytes  11.9 Gbits/sec                 
[  7][RX-C]   7.00-8.00   sec  1.90 GBytes  16.3 Gbits/sec                 
[  5][TX-C]   8.00-9.00   sec  1.48 GBytes  12.7 Gbits/sec                 
[  7][RX-C]   8.00-9.01   sec  2.07 GBytes  17.8 Gbits/sec                 
[  5][TX-C]   9.00-10.01  sec  1.49 GBytes  12.8 Gbits/sec                 
[  7][RX-C]   9.01-10.01  sec  2.07 GBytes  17.8 Gbits/sec                 
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID][Role] Interval           Transfer     Bitrate         Retr
[  5][TX-C]   0.00-10.01  sec  13.9 GBytes  12.0 Gbits/sec                  sender
[  5][TX-C]   0.00-10.01  sec  13.9 GBytes  12.0 Gbits/sec                  receiver
[  7][RX-C]   0.00-10.01  sec  18.5 GBytes  15.9 Gbits/sec  4692            sender
[  7][RX-C]   0.00-10.01  sec  18.5 GBytes  15.9 Gbits/sec                  receiver

iperf Done.

But when i test the connection the the VM the send packages are almost 0

Code:
iperf3 -c 17.1.1.3 --bidir
Connecting to host 17.1.1.3, port 5201
[  5] local 17.1.1.100 port 54893 connected to 17.1.1.3 port 5201
[  7] local 17.1.1.100 port 54894 connected to 17.1.1.3 port 5201
[ ID][Role] Interval           Transfer     Bitrate
[  5][TX-C]   0.00-1.01   sec   128 KBytes  1.04 Mbits/sec                 
[  7][RX-C]   0.00-1.01   sec  2.16 GBytes  18.5 Gbits/sec                 
[  5][TX-C]   1.01-2.01   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   1.01-2.01   sec  2.20 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   2.01-3.01   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   2.01-3.01   sec  2.20 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   3.01-4.00   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   3.01-4.00   sec  2.20 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   4.00-5.00   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   4.00-5.00   sec  2.19 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   5.00-6.00   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   5.00-6.00   sec  2.20 GBytes  18.8 Gbits/sec                 
[  5][TX-C]   6.00-7.00   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   6.00-7.01   sec  2.20 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   7.00-8.01   sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   7.01-8.01   sec  2.20 GBytes  18.9 Gbits/sec                 
[  5][TX-C]   8.01-9.00   sec   128 KBytes  1.05 Mbits/sec                 
[  7][RX-C]   8.01-9.00   sec  2.19 GBytes  18.8 Gbits/sec                 
[  5][TX-C]   9.00-10.01  sec  0.00 Bytes  0.00 bits/sec                 
[  7][RX-C]   9.00-10.01  sec  2.19 GBytes  18.8 Gbits/sec                 
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID][Role] Interval           Transfer     Bitrate         Retr
[  5][TX-C]   0.00-10.01  sec   256 KBytes   210 Kbits/sec                  sender
[  5][TX-C]   0.00-10.01  sec   128 KBytes   105 Kbits/sec                  receiver
[  7][RX-C]   0.00-10.01  sec  21.9 GBytes  18.8 Gbits/sec  1305            sender
[  7][RX-C]   0.00-10.01  sec  21.9 GBytes  18.8 Gbits/sec                  receiver

iperf Done.

I can't figure it out what am i doing wrong :( maybe i am missing something ...