Correct Answer: A,D
Explanation/Reference:
Explanation:
Introduction to EIGRP
Feasible Successors
A destination entry is moved from the topology table to the routing table when there is a feasible
successor. All minimum cost paths to the destination form a set. From this set, the neighbors that have an
advertised metric less than the current routing table metric are considered feasible successors.
Feasible successors are viewed by a router as neighbors that are downstream with respect to the
destination.
These neighbors and the associated metrics are placed in the forwarding table. When a neighbor changes
the metric it has been advertising or a topology change occurs in the network, the set of feasible
successors may have to be re-evaluated. However, this is not categorized as a route recomputation.
Reference: http://www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080093f07.shtml