Finally I was able to put it in bridge mode. I deleted the wan profile set by the ISP and connected it to my router Archer C6 where I put PPP connection and entered vlan id, put random numbers in the other 2 vlan sections and give the internet vlan top priority and the connection is set.
Just I am having difficulty trying to access the onu page through the router.
Just I am having difficulty trying to access the onu page through the router.