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Difference between EIGRP and OSPF

  • Last Updated : 12 Aug, 2019

EIGRP stands for Enhanced Interior Gateway Routing Protocol. It is used to share the information from one router to the neighbour routers if they exist in the same region. It is also a complex protocol but can be configured and make it work easily in small and large networks. It is also a hybrid protocol because it uses the features of the both distance vector routing and link-state routing protocol.

OSPF stands for Open Shortest Path first. This can be used and deployed in a variety of networks. This is a classless routing protocol which also assists variable-length subnet masking (VLSM) and discontiguous networks.

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Difference between EIGRP and OSPF:

S.No.ComparisonEIGRPOSPF
1.Stands forEnhanced Interior Gateway Protocol.Open Shortest Path First.
2.Protocol typeHybrid.Link State.
3.Administrative distance90 (Internal) 170 (External).110
4.AlgorithmDUAL distance vector.Dijkstra link state.
5.Standards-based onCisco Proprietary.IETF Open Standard.
6.Routing metricsCombination of bandwidth, reliability, load and delay.Interface bandwidth.
7.CPU requirementsLower CPU and memory needs.Require high CPU and memory.
8.Ease of implementationEasy but no provision of auto-summary.Complicated.

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