Upload values in the speed test

[leonida368]

Hi all, I have a windows10 appliance with 2 Hyper-v virtual machines:

1. Packetfence acting as nac
2. PfSense which acts as a firewall

The LAN network has Packetfence as gateway in dhcp which does nat and whose wan has pfsense as gateway.
By carrying out a speed test, a good download value comes out but a really low upload value that oscillates between 0.n and about 2MB. By carrying out the same test at another customer where there is the same type of Internet connectivity and the same configuration, but instead of Pfsense there is a primary brand hardware firewall, the upload values are instead very good.
How can I fix?
Thanks in advance

[SteveITS]

@leonida368 Is RSC disabled? Check out this thread and the thread linked in there.

[leonida368]

@steveits hi thanks for the reply. I tried what you suggested but unfortunately nothing