@melospawn If the tunnel is up, it is either NAT on the Cisco ASA or ACL on the Cisco ASA, it is difficult to give any advice as I do not have the whole picture. on the ER605 it's pretty easy, it's...

@melospawn the tunnel routes what you have set as the remote subnet on the ER605, you should not create a router manually. I have many Cisco ASAs that have VPN against different TP-Link routers and...

it seems that my problem has been solved, I have now run against my own Openvpn server from pivpn for a few weeks without problems with UDP, the speed is good, probably only limited by the server...

@SomeNetEngineer good, then you have what you need for your initial question, now you can activate policy route and route all traffic out on the remote WAN.. there will be policy route to both...

@SomeNetEngineer what is your ip address pool? on this pool I never use same ip as my other interface, for the most i use a random ip10.12.33.0/24 for example or somthing in 10,x,x,x range

@SomeNetEngineer if you want to route all or some devices out to the remote wan, you create a policy route, choose l2tp in this example I route everything from the default lan out to the remote...