TP-Link Archer C55 User Manual page 17

The router provides Auto-Detect function and supports five types of WAN connection:
Dynamic IP, Static IP, PPPoE, L2TP, and PPTP. It's recommended that you make use of
the Auto-Detect function. If you are sure of what kind of connection type your ISP provides,
you can select the very type and click Next to go on configuring.
4. If you select Auto-Detect, the router will automatically detect the connection type your ISP
provides. Make sure the cable is securely plugged into the Internet port before detection. The
appropriate configuration page will be displayed when an active Internet service is
successfully detected by the router.

Note:
If Auto-Detect fails, you can select the connection type your ISP provides in the figure above,
and follow the configuring procedures below to continue.
1) If the connection type detected is Dynamic IP, there will appear the MAC Clone page (as
shown in the following figure). In most cases, there is no need to clone the MAC address.
You can select "No, I do NOT need to clone MAC address" and then click Next. If it is
necessary in your case, please select "Yes, I need to clone MAC address" and then
click Next.
Archer C55 AC1200 Wireless Dual Band Gigabit Router
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