So in the picture, I have described the L2TP Road Warrior connection. Device models used. ISP service provided. Set up is ok connection is ok stable no problems. The only problem is slow VPN speed.
In Site 1 PC (L2TP client) is able to receive only max 40Mbps of download and 30Mbps of upload. Talking that enough powerful devices are used for the setup and that ISP given speed is fast on both ends the VPN speed is somehow very slow I'd say.
I have tested the same set up with Sophos router in Site 2 the same L2TP IPSec and the speed was way over 100Mbps that give much better speed.
MAX MRU is 1380
Auth. Algorithm - sha1 Encr. Algorithm aes cbc
Fast path enabled.
I have seen many old topics related to this one I have tried a lot of configurations suggested and thinking that devices within the time have evolved, better and faster hardware the VPN is still very poor and I'd say VPN is the bottleneck of Mikrotik.
So a lot of time went from previous posts related to this topic, so maybe there are changes and new suggestions and how to achieve better speed? As at this COVID 19 times VPN speeds matters a lot.
Thank you in advance.