@hharel Hi, you could refer to the suggestions on this link: https://www.tp-link.com/en/support/faq/1590/ If any step failed, you could post a picture here and maybe I could add more advice. Thanks.

@Sir3lly Hi, My advice would be: 1. please make sure the QOS is set to 1000m/s download and upload. 2. turn off the 2.4ghz and make sure the device is connected to 5ghz. 3. check the wireless link...

@gingel Hi, I think TD-W9970 might have bad compatibility with your internet service provider. May I know who is your internet service provider? Would the DSL light on 9970 keep flashing or turn off...

@Td-w9970 I would suggest checking the IP address on the 9970 with Jio/BSNL/Airtel separately. It is very likely that you have got a private address on Airtel. And did 9970 itself work as a VPN...

@NeilJ Since VR2800 does not support VOIP, I guess one port on the DSL splitter to VR2800, the other to your phone service? Did the same setup work with other DSL modems before?

@Antivs Hi, you could have a look at this link: https://www(dot)geeksforgeeks(dot)org/how-to-modify-mac-address-in-windows-10-both-wired-and-wireless-adapter/ And why do you want to change the MAC...