Computer Systems Technology HWD101 Lecture Notes - Unicast, Enhanced Interior Gateway Routing Protocol
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26 Oct 2012
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Eigrp 5 packet types maintain various tables, establish relationships w/neighbor routes. Eigrp relies to discover, verify and rediscover neighbor routers. Sent unreliably and do not require acknowledgment. Hello interval sends hello packets at set and fixed interval. Depends on interfaces bandwidth, high = 5sec, low = 60sec. Used to indicate receipt of any eigrp packet during reliable exchange, must be akn Update packets are sent to the new neighbor after local router discovers a new neighbor. Also used when a router detects a topology change. Both are sent when a destination has no feasible successors. Query packet is multicasted to other eigrp routers during the route re-computation process.