@Andre_88 You can refer to the official FAQ : https://www.tp-link.com/en/support/faq/3559/ You need to enter the WAN IP and the service port, maybe something like NAT caused this problem.

@Heisenberg0709 (I translated your posts using DeepL translate so might be misunderstandings) Well you set all the ports of your router to be in the new VLAN, I think this may get something wrong,...

@Andrej75 Any topology available? Do you mean the LAG settings can work properly when only one cable is connected between tplink switch and vswitch but won't work when there's more cable?

@PitBit Hi, both of your switches are currently in end of life period so I guess official support will be very limited. Well, you said setting trunk between switches, I guess you can achive this by...

@Justmehere Well you still didn't get what I mean, the proposals for phase1 and phase2 are different. What I mean is, on your router and your phone both exist the encryption process and the...

@Justmehere Well I think you didn't get what I mean, when setting up IPsec VPN, the IKE encryption process contains two phases, phase1 and phase2, different encryption informations are confirmed in...