The Lazy Networker

Introduction to EIGRP

Written by

renjithbs

in

  • EIGRP is a Cisco proprietary protocol.
  • It has two AD values (Internal – 90, External – 170 )
  • Fast Convergence.
  • Uses Dual (Diffusing update algorithm).
  • No periodic Updates only triggered updates.
  • Triggered updates only changes occurred.
  • Consumes less bandwidth.
  • Multiple network layer support (IPV4, IPV6).
  • Use of multicast (224.0.0.10) and unicast.
  • Variable-length subnet masking (VLSM) support.
  • Composite metric.
  • Unequal load balancing (improve use of traffic).
  • Protocols number is 88.
  • Summarization can be enable in any interface. (Reduce the size of the routing table).
  • Uses Hello packets to ensure the neighbour is still alive.
  • Reliable Transport Protocol (RTP) responsible for guarantee the EIGRP packets delivery to all neighbors.

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