你可以参考一下如下文档：
Q. Which license do I need for Access Points that are joined to my 9800 WLC?
A.Every AP joined to 9800 controller consumes one (1) AIR Network License and one (1) AIR DNA License.
Once purchased, these licenses show up in your smart account which can be accessed HERE.
Both of these licenses can be configured to be either Essential or Advantage level. Example of a controller configured with advantage level license:
