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Link State - Link State CCNA Exploration Semester 2 Chapter...

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4 Oct 2009 S Ward Abingdon and Witney College 1 Link State CCNA Exploration Semester 2 Chapter 10
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4 Oct 2009 S Ward Abingdon and Witney College 2 Topics Features and concepts of link state routing protocols Benefits and requirements of link state routing protocols
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4 Oct 2009 S Ward Abingdon and Witney College 3 RIP v1 RIP v2 IGRP EIGRP Routing protocols Interior Exterior Distance vector Link state OSPF IS-IS EGP BGP
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4 Oct 2009 S Ward Abingdon and Witney College 4 Distance vector and link state Distance vector information is like having a signpost Link state information is like having a map
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4 Oct 2009 S Ward Abingdon and Witney College 5 Link state overview Router sends information about its links – its directly connected networks – to all other routers Every router builds up a picture of the topology of the routing domain Every router works out its own best routes independently
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4 Oct 2009 S Ward Abingdon and Witney College 6 Dijkstra (shortest path first) Router works out its own best path using a “cost” metric.
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4 Oct 2009 S Ward Abingdon and Witney College 7 Link state – finding routes Learn its own directly connected networks.
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