Bandwidth issue

[Testani]

Hi all i have a really strange behavior on my proxmox host.

1- speedtest from host gave me around 700/700mb
2- speedtest inside a windows vm give me 250/250mb
3- speedtest inside another windows vm give me 50/550mb

Iperf between vm give me 800/900mb.

Already tried virtio/e1000/rtl driver without success.

What am i missing?

 

[Matthias.]

See this other thread.
https://forum.proxmox.com/threads/slow-internet-performance-in-the-vm.121133/post-529859

Again, please provide your VM configurations, that is, the output of qm config VMID. If the VM have the same configuration, and the load on the server did not change, their speed should not differ by a factor of 5. Note that speedtest is a somewhat unreliable way of testing your speed, so make sure you get these speeds consistently.