都是K9C，需要将1个转换为Lightweight AP
C的意思是自己做ME Controller
1.Connect to the Console Port, Telnet or SSH to the AP.
2.Login to the Mobility Express controller console.
3.In the Mobility Express controller console, use the command apciscoshell to connect to the AP console.
4.Login to the AP console using the username Cisco and password Cisco. Both are case-sensitive.
5.Enter enable.
6.Enter the command ap-type capwap, and confirm .
查看AP IP远程/Console登入，进enable按ap-type capwap转LAP
https://www.cisco.com/c/en/us/td/docs/wireless/access_point/mob_exp/82/user_guide/b_ME_User_Guide_82/appendix.html
