We plan to migrate from on-premise to Azure. After deployment of a test virtual machine in Azure tenant we reported a slow connection (download and upload speed) mesured by using iperf:
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.00 sec 19.6 MBytes 16.5 Mbits/sec sender
[ 4] 0.00-10.00 sec 19.6 MBytes 16.4 Mbits/sec receiver
Via VPN tunnel the connection is even sload:
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-10.01 sec 18.6 MBytes 15.6 Mbits/sec sender
[ 4] 0.00-10.01 sec 18.5 MBytes 15.5 Mbits/sec receiver
The test virtual machine is not under heavy load, no applications are installed. No other vms are deployed in the virtual network. Someone knows what is causing this issue? We would be very grateful for any tips.