EIGRP Notes – Message Types

Please correct if I’m being stupid…which is a lot of the time.

Hello : Discovers and maintains neighbors

Update : An update to the topology such as a route withdrawal or a metric change

Query : Used to ask a neighbor if it has a route to a certain network; see casino online for free stuck-in-active

Reply : Sent in response to a query message telling a router whether or not it has a route

Ack : Used to acknowledge updates, queries, replies

Aaron Conaway

I shake my head around sometimes and see what falls out. That's what lands on these pages. If you have any questions, the best way to contact me is through Twitter at @aconaway.

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