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ccna 200 301 syllabus of errors pdf download.Multicast or unicast Multicast Unicast Multicast or unicast Multicast or unicast UnicastReliable or not, i.e., whether acknowledgement is required Unreliable Unreliable Can 'sin Reliable Reliable7.1.4 EIGRP Tables***EIGRP routers keep neighbor and available route and topology information in memory to react quickly to changes. There are 3 tables in EIGRP: NeighborTable, RoutingTable, and TopologyTable.1. NeighborTableNeighborTable is the most important table in EIGRP, each EIGRP router maintains a list of neighboring routers. oEIGRP has a neighbor table for each supported routed protocol, for example, IP, IPX and AppleTalk each have a neighbor table.Neighbor Discovery and Recovery. Routers running simple distance vector routing protocols do not establish neighbor relationships with neighboring routers, e.g., RIP and IGRP routers broadcast updates only on the configured interfaces, while EIGRP routers need to establish adjacencies (neighbors) with neighboring routers in order to interact with routing information. EIGRP routers establish adjacencies by sending each other Hell. packets. two conditions need to be met for two neighboring routers to establish an adjacency.. . having the same AS number; .. Have matching K values.Although EIGRP is a distance vector routing protocol, like link-state routing protocols, it requires the use of Hello messages to establish adjacencies. Since EIGRP, like link-state routing protocols, does not send routing update data at regular intervals, ...nancial mechanisms are needed to help routers recognize when a new router joins, or an old router leaves. To maintain this adjacency relationship, EIGRP must continuously receive Hello messages from their neighbors.