In the CSS, configuring redundancy protocol requires you to:

In the CSS, configuring redundancy protocol requires you to:

A.
Enable the circuit VLAN for redundancy using the redundancy command.

B.
Enable the redundancy protocol on the master and backup circuit VLAN using the redundancy-protocol command.

C.
Configure the master and backup CSSs for redundancy using the IP redundancy command.

D.
All of the above

E.
None of the above