Within the EIGRP Topology Table, entries may either be marked as Passive (P) or as Active (A). When a route is in the Passive state, it means that EIGRP has completed actively computing the metric for the route and traffic can be forwarded to the destination network using the Successor. This is the preferred state for all routes in the Topology Table.
EIGRP routes are in an Active state when the Successor has been lost and the router sends out a Query packet to determine a Feasible Successor. Usually, a Feasible Successor is present and EIGRP promotes that to the . . .
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