Slow Internet Performance in the VM

[jmorfali]

Hello,

I have an internet connection speed problem in my VMs. The Proxmox server has an excellent connection. I installed Centos7 on the vm. Here are the speed test results of the Proxmox and a VM:

Proxmox:

root@ns5004254:~# ./speedtest-cli
Retrieving speedtest.net configuration...
Testing from OVH SAS (51.222.82.191)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Fibrenoire Internet (Montreal, QC) [1.39 km]: 2.197 ms
Testing download speed................................................................................
Download: 4137.74 Mbit/s
Testing upload speed................................................................................................
Upload: 2373.90 Mbit/s
root@ns5004254:~#

VM Centos7

[root@localhost ~]# ./speedtest-cli
Retrieving speedtest.net configuration...
Testing from OVH SAS (198.50.205.247)...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by Teksavvy Solutions Inc (Toronto, ON) [2.55 km]: 10.026 ms
Testing download speed................................................................................
Download: 3.58 Mbit/s
Testing upload speed................................................................................................
Upload: 2.01 Mbit/s
[root@localhost ~]#

Here are the ping tests for 8.8.8.8

ProxMox

root@ns5004254:~# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=117 time=1.37 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=117 time=1.40 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=117 time=1.34 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=117 time=1.35 ms

VM

[root@localhost ~]# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=116 time=2.33 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=116 time=2.25 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=116 time=2.38 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=116 time=2.27 ms
64 bytes from 8.8.8.8: icmp_seq=5 ttl=116 time=2.56 ms

I disabled all firewalls.
Here are the network configuration of Proxmox

auto lo
iface lo inet loopback

iface eno1 inet manual

auto eno2
iface eno2 inet manual

auto vmbr0
iface vmbr0 inet static
        address 1.2.8.1/24
        gateway 10.2.0.41
        bridge-ports eno1
        bridge-stp off
        bridge-fd 0

auto vmbr1
iface vmbr1 inet static
        address 10.2.0.30/16
        bridge-ports eno2
        bridge-stp off
        bridge-fd 0

Thanks a lot for your help!.

 

[Dominic]

Can you please post qm config <vmid>[/code]? You could perform a benchmark from the VM to the host using iperf3.