Slow Internet in the VM

J

justt3ch

New Member
Mar 14, 2024
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Hello all,

Am facing some difficulty on configuring my VM ?
the internet connection is very slow to point it shows 0 Mbit/s

Code: 
speedtest-cli
Retrieving speedtest.net configuration...
Testing from ISP...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by du (Abu Dhabi) [490.22 km]: 1800000.0 ms
Testing download speed................................................................................
Download: 0.00 Mbit/s
Testing upload speed......................................................................................................
Upload: 0.00 Mbit/s

but on the other hand LXC shows a speed of 300 Mbit/s

Code: 
speedtest-cli
Retrieving speedtest.net configuration...
Testing from ISP...
Retrieving speedtest.net server list...
Selecting best server based on ping...
Hosted by ETISALAT-UAE (Ajman) [555.95 km]: 60.977 ms
Testing download speed................................................................................
Download: 307.29 Mbit/s
Testing upload speed......................................................................................................
Upload: 105.61 Mbit/s


how can I fix this?
 
That indeed is really slow. Can you run iperf3 from your VM to the PVE host it is running on? What are the results? So
Code: 
# on the PVE host
iperf3 -s

# in the VM
iperf3 -c <PVE_IP>
 
Hannes Laimer said:
That indeed is really slow. Can you run iperf3 from your VM to the PVE host it is running on? What are the results? So
Code: 
# on the PVE host
iperf3 -s

# in the VM
iperf3 -c <PVE_IP>
Click to expand...
Hello
I tried it but it gives an error
from VM to host >> error - unable to connect to server: Connection refused

Note: I still can ping the host


I tried iperf3 from other lcx I have

Code: 
iperf3 -c 192.168.5.3 
Connecting to host 192.168.5.3, port 5201
[  5] local 192.168.100.30 port 51878 connected to 192.168.5.3 port 5201
[ ID] Interval           Transfer     Bitrate         Retr  Cwnd
[  5]   0.00-1.00   sec  2.07 GBytes  17.8 Gbits/sec    0    431 KBytes       
[  5]   1.00-2.00   sec  2.22 GBytes  19.1 Gbits/sec    0    431 KBytes       
[  5]   2.00-3.00   sec  2.23 GBytes  19.2 Gbits/sec    0    465 KBytes       
[  5]   3.00-4.00   sec  2.24 GBytes  19.2 Gbits/sec    0    465 KBytes       
[  5]   4.00-5.00   sec  2.24 GBytes  19.2 Gbits/sec    0    465 KBytes       
[  5]   5.00-6.00   sec  2.24 GBytes  19.2 Gbits/sec    0    465 KBytes       
[  5]   6.00-7.00   sec  2.24 GBytes  19.3 Gbits/sec    0    465 KBytes       
[  5]   7.00-8.00   sec  2.26 GBytes  19.4 Gbits/sec    0    465 KBytes       
[  5]   8.00-9.00   sec  2.24 GBytes  19.2 Gbits/sec    0    465 KBytes       
[  5]   9.00-10.00  sec  2.25 GBytes  19.3 Gbits/sec    0    465 KBytes       
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval           Transfer     Bitrate         Retr
[  5]   0.00-10.00  sec  22.2 GBytes  19.1 Gbits/sec    0             sender
[  5]   0.00-10.00  sec  22.2 GBytes  19.1 Gbits/sec                  receiver
 
Last edited:
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