@Jugend It's probably not a router problem... When Device 1 is connected and Device 2 tries to connect, Device 1 gets disconnected. I’ve read in the forum that this is a limitation of L2TP and the...

@NeilR_M In the router, you only need to turn on or off IPSEC ALG. If IPSEC ALG is not turned on. Clients cannot connect to L2TP at all..... Configuration for the router is simple and without any...

@NeilR_M No, it seems the problem is in the IPSEC ALG module. There are collisions there when two clients behind a TP-LINK router connect to the same L2TP server. I disabled one and everything works.

@NeilR_M I was lucky and I found the reason - if two clients behind the router connect to the same public IP address where there are L2TP servers on the internet. The previous one is thrown out. The...

Hi, ER7212PC Microsoft VPN L2TP to external server is working unstable. Ipsec ALG is enabled, but clients are thrown out of the tunnel after a few minutes... Are there any solutions??