There is a problem in network download content from the Internet in a while fix for example 200-250 MB of the file happens quickly, but it is rare, it often happens that the download speed does not exceed 80 -100 KB/S and no matter by wifi or wire.Network diagram
Test speed utility iperf from one computer to another over the wire
Do a tracert to Yandex
tracert from a computer to a computer from a different vlan
Download via interfaces
The bandwidth is low, even at the moment of downloading of the file nor the local interface any wan interface
The speed of browsing the pages is good, I would say excellent, YouTube videos loaded fine,without delay but the download file is just disgusting , don't know where to look , please help.
If you directly connect provider into the laptop , the speed is good, downloading files quickly, everybody..... here it is with the device network
Download interface you download the file 120 MB
and under normal load , on the router port speed on the interface 10 Mbit/sec shows.