A network administrator establishes an IRF device that consists of two HP 12500 Switch Series switches. The
administrator creates a new MDC, MDC2. The administrator assigns physical interfaces on both 12500
switches to MDC2.
Which additional step must the administrator take to ensure that the IRF virtual device property supports
MDC2?

A.
Set up an additional IRF link that uses ports assigned to MDC2.

B.
Assign each switch a unique IRF member ID within MDC2.

C.
Configure the IRF domain ID within MDC2 with the same ID configured in the Admin MDC.

D.
Enable IRF functions on the modules that are assigned to MDC2.

Explanation:
http://h20195.www2.hp.com/V2/getpdf.aspx/4AA6-1336ENW.pdf?ver=1.0