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Understanding Internetworking Concepts and Applications for Network Interconnection

Explore examples of internetwork paths, integration scenarios, device applications, and address assignments, including the operational concepts of bridges, routers, VLANs, and switches in network architecture.

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Understanding Internetworking Concepts and Applications for Network Interconnection

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  1. Chapter Ten Internetworking

  2. Example of a internetwork path that a message may followFigure 10.1

  3. Integration scenario between an intranet and the InternetFigure 10.2

  4. Relationship between intranets, extranets, and the InternetFigure 10.3

  5. Applications of network interconnection devicesFigure 10.4

  6. Switches or routers can interconnect heterogeneous LANsFigure 10.5

  7. A switch interconnecting different Ethernet LAN typesFigure 10.6

  8. Simple representations of an IPv4 addressFigure 10.7

  9. Example of IP address assignments for two Ethernet LANs connected by routers through the InternetFigure 10.8

  10. Example of the hierarchical naming structure used by DNSFigure 10.9

  11. Construction of an e-mail addressFigure 10.10

  12. Frame forwarding function of a bridgeFigure 10.11

  13. A local bridge can segment and connect LANsFigure 10.12

  14. A transparent bridge connects similar LANsFigure 10.13

  15. Operational concept of a transparent bridgeFigure 10.14

  16. Creation of forwarding tables for two transparent bridgesFigure 10.15

  17. Format of a route discovery frameFigure 10.16

  18. A translating bridge connecting two dissimilar LANsFigure 10.17

  19. Implementation of various types of routersFigure 10.18

  20. Concept of a router acting as the interface between a corporate intranet, an extranet, and the InternetFigure 10.19

  21. Routers operate at the network layerFigure 10.20

  22. LAN switches can isolate stations from other network usersFigure 10.21

  23. Basic concept of a generic switchFigure 10.22

  24. Layer-3 switch replacing two layer-2 LAN switches + a routerFigure 10.23

  25. Example of a policy-based enterprise backbone networkFigure 10.24

  26. VLANs for 3 separate departments across an ATM backboneFigure 10.25

  27. Two port-grouped VLANs in an eight-port switchFigure 10.26

  28. Two IP-based virtual LANs in a six-port switchFigure 10.27

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