I've found the following threads:
https://software.es.net/iperf/faq.html
Iperf3 from VM to host (Another one is slow)
Iperf3 reverse (Host to VM) is fast.
So it may seem to be a TSO issue.
Which led me to the following threads...
Hi All,
I've been digging through the forums and posts...
I have an issue with slow network performance from VM1 to host2 which doesn't host the VM.
Context:
I have 2 separate 1GB switches (One for corosync) which use VLANs.
I have Intel NUCs & Chromeboxes and am using an USB 1GB adapter for...