@Kevin_Z i have tried directly connecting the wan cable to laptop and the internet works without any issues. so the problem is clear i think you tp link c60 router has problem with pppoe protocol i...

@devAyush My channel for both bands is selected as auto but i think it uses channel 6,36 for both bands respectively

@Kevin_Z Led becomes orange Yes they remain connected and internet gone. I just want to insure you that there is no problem with isp , everone is geeting seamless internet in my area except me...

i don't know why it keeps disconnection from the internet . somedays it works fine and somedays it frequently disconnects from the internet after every half - one hour. internet connectivity by isp...