We have tried to do windows file transfer between 2 spokes but the performance was very poor and was only able to get 3-4 Mbps. Spoke 1 & 2 both connects to the same hub. Spoke 1 has 45Mpbs upload Spoke 2 has 300Mbps download Hub uses 100Mbps DIA. Use Microsoft File Sharing to send a file from spoke 1 to spoke 2 and the transfer rate was only 3-4 Mbps. The issue will go away if we do auto vpn full mesh, so it's not the ISP issue.
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