Slow internet speed & file sharing while connected to VPN
We have a SSL VPN for our corporate users on a Fortigate 5001V (daily average users 10-15). Everyone internet speed slows down as soon as they connect to vpn. Below are some examples of speed test without and with vpn. Please let me know if this is normal expected behavior slow down or if there is something that we can do to improve the situation. I can also provide tracert if need be. We do have a manage network so I do not full cli access to the blade, but I can pass any recommendation to our manage provider company:
The issue is more significant and a pain point when users map a server shared folder and they try to save or dowload the file. The VPN blade is in the west coast and most share folders are also in the west coast. I do expect some slowness while updating huge excel files in the NY shares drive folders. Our typical time from vpn or from mpls is always consistent at 75ms from LA to NY (while on vpn or mpls is always at around 73ms), so I think the culprit could be the fortinet 5001v.