One Comment on “Which term describes an EIGRP route that has feasible successors?”

1. Snoopy says:

   November 15, 2015 at 3:23 pm

   A topology table entry for a destination can have one of two states. A route is considered in the
   Passive state when a router is not performing a route recomputation. The route is in Active state
   when a router is undergoing a route recomputation. If there are always feasible successors, a
   route never has to go into Active state and avoids a route recomputation.
   When there are no feasible successors, a route goes into Active state and a route recomputation
   occurs. A route recomputation commences with a router sending a query packet to all neighbors.
   Neighboring routers can either reply if they have feasible successors for the destination or
   optionally return a query indicating that they are performing a route recomputation. While in Active
   state, a router cannot change the next-hop neighbor it is using to forward packets. Once all replies
   are received for a given query, the destination can transition to Passive state and a new successor
   can be selected.
   Reference. http://docwiki.cisco.com/wiki/Enhanced_Interior_Gateway_Routing_Protocol

   
   
   
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