Not internet on LAN

Greetings all,

I purchased a cloud router a few months back. I configured eth 1 as WAN, and eth 2 master LAN switched to 3-16. When I first set this up, I could get internet on the LAN. I now only get a successful ping 8.8.8.8 from terminal and not from LAN.

Please help.

What did you change?
Please show your configuration.