EIGRP Characteristics

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EIGRP Characteristics:

  • VLSM & CIDR – EIGRP has support for variable length subnet masks (VLSM) and classless inter domain routing (CIDR).
  • DUAL algorithm – The diffusing update algorithm or DUAL, provides guaranteed and optimized loop free routes.
  • Successor & Feasible Successor routes – The successor route is the best route to a destination network. If available, DUAL and the EIGRP topology database will also calculate a guaranteed loop free backup route called the Feasible Successor route.
  • Partial & Bounded Updates – for faster convergence times. No periodic updates like RIP. EIGRP only sends information when there is a change in the network, like a network link going down. EIGRP does not send the entire routing table, just the information that has changed and only to those routers that need the new information.
  • Routing Metrics – EIGRP’s routing metric is not…

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