I recently purchased TP-Link TD-W8968 N300 Wireless ADSL2+ Router which can be used on ADSL as well as WAN connection for accessing the internet. In Mumbai I use the same model to access internet and my ISP in Mumbai is MTNL so I access the internet using phone line (RJ11).

I recently moved to Bangalore and here I am using ACT fibernet service and they provide internet access using LAN (RJ-45) cable. I am having trouble configuring my router using LAN network as I don't know the method to configure router on this kind of network.

So far I have managed to use only one device and that is my laptop. But the moment I connect internet using my mobile phone it blocks the internet access from my laptop.

Please help solving this issue.