Hello, thanks for the fast answer. I am sorry if i confused you a bit. Clive_A wrote Do you mean that you host a server in your LAN and your ISP only allows IPv6. And you seek a way to safely expose...

Hello, i am using a ER605 and a TL-SG3428. I am hosting a cloud, which should be available over the internet. Because of my ISP it is only reachable via IPv6. To allow access over the internet to my...

So this was really the problem. I changed the ipv6 configuration to "SLAAC + RDNSS" Now its working

I tried to connect my laptop directly to the NT (Fiber Modem). But i didnt get a internet connection. I cant find sth. about the fiber modem in the internet. So i dont think there is a port mirroring...

Thanks for the answer. So the WAN connection type for IPv6 is: "Dynamic IP(SLAAC/DHCPv6)" and for IPv4: "Dynamic IP". Then i tried to ping the ISP Gateway for IPv4 as you shown in your picture. It...

@Clive_A Thanks for your answer. I am not sure what you mean with: Clive_A wrote What's the WAN connection type? The router is connected via ethernet to a fiber NT. The router is also getting a ipv6...