EIGRP summary

This topic is not included in the latest version of the CCNA exam (200-301). If you are studying for the exam feel free to skip this article.

Here is a list of the most important EIGRP features:

  • advanced distance vector routing protocol
  • classless routing protocol
  • supports VLSM (Variable Length Subnet Mask)
  • converges fast
  • supports multiple Network layer protocols (IPv4, IPv6, IPX, AppleTalk…)
  • uses multicast address of for routing updates
  • sends partial routing updates
  • supports equal and unequal-cost load balancing
  • supports manual summarization on any router within a network
  • by default, uses bandwidth and delay to calculate its metric
  • Cisco proprietary
  • supports MD5 authentication