suresh What is the Feasible Successor in EIGRP?
A Feasible Successor in EIGRP (Enhanced Interior Gateway Routing Protocol) is a backup route for a specific network prefix that has a lower metric than the current successor route. It is determined through the Successor Route's feasibility condition, meaning that the route is loop-free and has a metric lower than the current successor. This backup route allows for quick convergence and efficient network rerouting in case the primary route fails.
How Does a Feasible Successor Help in Reducing Network Convergence Time?
By having Feasible Successors precalculated and readily available, EIGRP can quickly switch to these backup routes without recalculating paths, thereby reducing the time required for network convergence. This immediate switch to a Feasible Successor ensures minimal downtime and improved network availability, making EIGRP an efficient and reliable routing protocol.
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