@Jonyjm It's not enough disabling DHCP, the steps in order to follow are:

• Connect both routers (main router and your access point) using LAN ports (NOT THE WAN)
• Disable DHCP in access point
• Set the IP of your access point (not the WAN or Internet IP, but the Network or LAN IP) to an address belonging to the same subnet of the main router (but outside the DHCP range of your main router, if your main router has IP address x.x.x.1 for instance, set the access point as x.x.x.2 or any other not being used and, again, outside the range of DHCP in your main router)

That way you can use the router as access point even if it doesn't have that operation mode (which I ignore). In fact I followed these three same steps yesterday to test a few things in my Archer C6 (which has access point mode but wanted to emulate it in router mode also to check a couple of things)

@Jonyjm 

Hi,

I have tp-link AC1350 Archer C60. I cant change my router to access point. No option called operation mode. Please advise.

Thanks

@AKI2 You have the answers in the replies of this thread. There's indeed no operation mode in your router, so you have to manually set it as access point as explained in my reply before (basically set IP address and disable DHCP)

@Jonyjm easily use the WDS feature and change the Lan IP to Any 192.168.x.x, like this pic !!! or watching this video https://www.youtube.com/watch?v=1RfWZYj-p30 .I did those steps and instructions in this video and it worked for me.

Router No.1 Connected in Wan Cable from modem



Router No.2 (Archer 60 V.2.0)

the connection from the first router (Any Wifi 2.4ghz or 5.0ghz) to the second router (Any Wifi 2.4ghz or 5.0ghz) via the WDS feature