Networking - How is eigrp better than ospf?

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How is eigrp better than ospf?

Eigrp is better than ospf

Total Answers and Comments: 1

Last Update: July 07, 2007 Asked by: Sunit Agarwal

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July 06, 2007 04:33:35

deepak pant

RE: How is eigrp better than ospf?

I will give you the difference between then you can understand why it is
better

OSPF (Open Shortest Path First) it's link state protocol which sending hello
packet to it's neighbours

give best path 6 backup path

it a supports the subnating (classless)

administrative distance 110

using wildcard 0.0.0.0

autonomous 1-65535

using area

Hybrid protocol

eigrp enhance interior gateway protocol

90 administrative distance

supporting subnating

using area

autonomous 1-65535

using area

Key capabilities that distinguish Enhanced IGRP (EIGRP) from other routing
protocols include fast convergence support for variable-length subnet mask
support for partial updates and support for multiple network layer protocols.

Router running EIGRP stores all its neighbors' routing tables so that it can
quickly adapt to alternate routes. If no appropriate route exists EIGRP queries
its neighbors to discover an alternate route. These queries propagate until an
alternate route is found.

The support of EIGRP for variable-length subnet masks permits routes to be
automatically summarized on a network number boundary. In addition EIGRP can be
configured to summarize on any bit boundary at any interface.

In most cases EIGRP only uses Delay and Bandwidth with Bandwidth taking
precedence. The metric for EIGRP is calculated by multiplying the IGRP metric by
256. So the formula used to calculate the metric is:

EIGRP Metric 256*((K1*Bw) + (K2*Bw)/(256-Load) +
(K3*Delay)*(K5/(Reliability + K4)))

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