What does he need to consider?

A system administrator wants to convert an IPv6 gateway from a standard gateway into a
gateway running VSX mode. What does he need to consider?

A.
Policy needs to be properly applied to the gateway before converting the system to VSX
mode.

B.
It is not possible to convert a gateway with IPv6 enabled to VSX mode.

C.
There needs to be proper IPv6 routing setup.

D.
At least two interfaces need to be configured with IPv6.