The office is currently operational using one 2106 WLAN controller with six 1131 APs and one 526
WLAN controller with three 521 APs. When the 526 loses power, the 521 APs do not establish a
connection with the 2106 WLAN controller. What is the most likely cause of this problem?

A.
The 2106 controller and 526controller were not configured correctly using the sysname and

B.
The 2106 controller and 526controller do not share the same mobility group name.

C.
The 521 APs were not configured with the 2106 controller as the secondary controller.

D.
The 2106 controller does not support the 521 APs.

E.
The 2106 controller has no more AP capacity.

Explanation:
MAC address for a mobility group.