What is the proper configuration to enable route reflector redundancy?
A. To avoid a single point of failure, IBGP full mesh can be used between all the clients in a cluster.
B. To avoid a single point of failure, a route reflector client can have IBGP sessions to more than one route reflector within the cluster.
C. To avoid a single point of failure, a route reflector client can have IBGP sessions to other clients in another cluster.
D. To avoid a single point of failure, a route reflector client have IBGP sessions to other route reflectors in another cluster.
E. To avoid a single point of failure, a route reflector client can have IBGP sessions to other route reflectors and other clients in another cluster.
