Cisco EIGRP

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EIGRP är ett distance vector routing protokoll med en del karaktär av link state protocol. EIGRP använder ett eget protokoll på lager 4, Reliable Transport Protocol.

Adjacency

  • Hello packet - Multicast 224.0.0.10, every 5 seconds.
  • AS nummer måste vara samma på alla routrar.

Konfiguration

router eigrp [ASN]

Add networks to advertise

network [ip-address] [wildcard-mask]

Disable automatic route summarization (Default sedan IOS 15)

no auto-summary

Designate passive interfaces

passive-interface [interface]

Statically identify neighoring routers

neighbor [ip-address] [interface]

MD5 authentication

interface [interface]
ip authentication mode eigrp md5
ip authentication key-chain eigrp [ASN] [name-of-chain]

Summering

ip eigrp summary-address 192.168.0.0 255.255.0.0