@cacb Thank you for a quick reply. To answer your question - Because I have taken a Static IP from my ISP. So that needs to be configured and as the modem is in bridge mode, it has to be configured...

Using Deco M9+ in Static Ip mode and modem in bridge mode breaks connection frequently. I recently bought a new Deco M9 Plus set of 3. Initially I set it up with the deco in dynamic ip mode and modem...