I've recently come across this issue and I can reproduce it fairly easy in
given conditions. I have redone this installation and with the simplest
configuration as described above I reproduce it, and is happening now on my two
So they are two identical Hetzner servers both with Realtek GiB Ethernet.
Setup is fairly simple, routed config ip_forwarding enabled with a /29. Network
interface and IP address configured using Center.
On both servers i deployed a pfsense vm and the WAN with an IP from the /29.
Access to the pfSense occurs without issues, either by LAN or WAN.
But the access to the VM's behind is painfully slow.
My interfaces are xn*
I've been reading a lot about this issue and I see recent comments and topics
here and there is people (xen/pfsense/other communities) still coming across