I'm testing VPN Server as Remote Connection.
Routing, ping and throughput is ok.
However RDP sessions is very slow. Did packet pacture and saw a lot of TCP retransmissions (attached).
I saw this before in other tunneling situation because RDP is sensitive to fragmentation, where adjusting MTU resolved issue.
Could someone help me troubleshoot this case?
Tested VPN Server in Ubuntu 14 and Centos 6.5.
Client connecting to VPN Server through HTTPS/443.
Firewall doing Full DNAT to Internal VPN Server.
Bridged to local LAN and getting IP from local DHCP Server.
RDP Server (2008 R2) is on the same network segment.
Post your questions about SoftEther VPN software here. Please answer questions if you can afford.
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