Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
In Webgui, can't add new interface such OPT1. The add icon is missing. In 1.2.3 this is available.
You do not have anymore interfaces to add when that happens :).