@Captain_Arm Hi, Finally got a solution !!! I have tried to disable IPv6 Firewall on the TP-link configuration page under security-Tab and then the Incoming TCP connection works perfectly on IPv6. I...

@TP-Link Thanks Let me check and update back to you.

@TP-Link : Yes I have seen that IPv6 Firewall. I have disabled it in past but the question is how an incoming TCP connection will be forwarded to the local Host-PC connected to the router. How the...

@panko Do you mean there are other Firmwares that we can use for the TP-link MR600 which can resolve this problem? Or you meant to look for other routers. By the way, see here is the snapshot of my...

@panko: Yes true, I expect if they can provide a new Firmware to fix this problem on IPv6 and allow the IPv6 incoming traffic to local PC.

We are using IPv6 4G router for our project and bought almost 14 units of Archer MR600 6 Units of (HW: Archer MR600 v1) 8 Units of (HW: Archer MR600 v2) Total 14. Our project is primarily using IPv6....