Which of the following statements about the application of the onboard AC is false?
A . The onboard AC function of agile switches can support IPv6 user access and authentication
B . With the onboard AC function can be combined with user management functions, can achieve the unified authentication of wired and wireless users
C . The onboard AC function of the agile switch can only support the centralized forwarding mode of the A
E . Onboard AC functions must be implemented by a single board with ENP chip.