Compare the Ethernet WAN dashboard with LAN address and DHCP settings. The official index calls this 2135ax, but the demo itself identifies Vigor2135Vac.
Public manufacturer-hosted demonstration; no personal account required. The interface is designed for desktop screens. Firmware shown is the demo version, not necessarily the latest release.
Use only demonstration credentials provided by the manufacturer. Never enter your personal router password.
Compare where DrayTek places these controls and how the menus relate to the status information. This demo represents version 4.2.1.2_STD; your device or a newer release may differ.