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Routing Concepts

  • Sample Chapter is provided courtesy of Cisco Press.
  • Date: Jan 1, 2018.

Chapter Description

This sample chapter from Routing and Switching Essentials v6 Companion Guide, answer the question, “What does a router do with a packet received from one network and destined for another network?” Details of the routing table will be examined, including connected, static, and dynamic routes.

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

  • topology Page 5

  • physical topology Page 5

  • logical topology Page 5

  • speed Page 5

  • availability Page 5

  • scalability Page 5

  • reliability Page 6

  • mean time between failures (MTBF) Page 6

  • routing table Page 7

  • IOS Page 7

  • volatile Page 7

  • nonvolatile Page 7

  • RAM Page 8

  • ROM Page 8

  • NVRAM Page 8

  • flash Page 8

  • Point-to-Point Protocol (PPP) Page 10

  • static routes Page 11

  • dynamic routing protocols Page 11

  • process switching Page 11

  • fast switching Page 12

  • fast-switching cache Page 12

  • Cisco Express Forwarding (CEF) Page 12

  • Forwarding Information Base (FIB) Page 12

  • adjacency table Page 12

  • VoIP Page 15

  • wireless access points (WAP) Page 15

  • Gateway of Last Resort Page 17

  • USB-to-RS-232 compatible serial port adapter Page 21

  • USB Type-A to USB Type-B (mini-B USB) Page 21

  • switched virtual interface (SVI) Page 22

  • High-Speed WAN Interface Card (HWIC) slots Page 24

  • IPv6 link-local address Page 26

  • IPv6 global unicast address Page 26

  • EUI-64 Page 27

  • loopback interface Page 29

  • PPP Page 39

  • ICMPv6 Neighbor Solicitation and Neighbor Advertisement messages Page 40

  • neighbor cache Page 40

  • metric Page 45

  • equal cost load balancing Page 46

  • unequal cost load balancing Page 47

  • administrative distance (AD) Page 47

  • directly connected routes Page 49

  • remote routes Page 49

  • local route interfaces Page 50

  • directly connected interfaces Page 50

  • default static route Page 58

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