type 192.168.0.1 into your URL

Log in, if you didn't setup a password during setup leave it blank

that should take you here, click on the advanced tab

you should be in the Virtual Server section type in what i typed in the screenshot below

these are the default server ports and settings for Minecraft or if you want you can setup auxiliary servers by changing the ports

like so. Minecraft2 was used as a tekkit server.