EIGRP is a open standard since 2013,it was Cisco propitiatory.

Advanced Distance vector Routing protocol,it using DUAL Algorithm

Classless and it support VLSM,FLSM,CIDR, Auto&Manual Summary

Internal AD is 90 and External AD is 170

It sends updates as a Multicast( Unicast

Maximum Hops is 255(default 100)

it support IP(version 4 and 6), IPX and Apple talk

EIGRP Metric=[(k.Bandwidth+K.Bandwidth/256-load+k3.delay).k5/k4+reliability].256

default k values K1=1 k2=0 k3=1 k4=0 k5=0


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