This is an updated tutorial from my previous RouterOS v6.43 L2TP/IPsec tutorial.
In RouterOS v6.44 there were major changes where they removed "main-l2tp" exchange-mode from the /ip ipsec peer.
But this means configuring L2TP/IPsec is even more simpler, just follow through my guide down below...
Here we will be configuring a dial-in VPN using L2TP with IPsec.
In this example, we will be using 192.168.7.0/24 for the L2TP clients and for the LAN.
The configuration will detail the following:
Enable L2TP server
Create a DHCP pool
Create an L2TP profile
Create a sample user