I have an issue with l2tp/IPSEC vpn.
I have a mikrotik connected via vpn to the vpn server (mikrotik as well).
If a user connects with his laptop from the same public ip to the same server it drops the initial mikrotik vpn connection.
The user had it to his laptop to use it when is out in the road but accidentally he connected while he was in the office dropping the vpn connection of office towards the vpn server.
This may happen also if 2 users connect to the same vpn server while behind the same NAT in other words from the same public IP.
Any ideas?