Cisco 2521LF - 2521LF Router User Manual

1Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comWAN Introduction6-2CSE: Networking Fundamentals — WAN Basics© 1999, Cisco

10Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comWide-Area Network RequirementsWide-Area Network Requirements© 1999, Cisc

11Copyright © 1997 Cisco Systems, Inc.6-21CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comManage Bandwidth to Control

12Copyright © 1997 Cisco Systems, Inc.6-23CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.com• Adds bandwidth when neede

13Copyright © 1997 Cisco Systems, Inc.6-25CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comDial Backup• If a primary l

14Copyright © 1997 Cisco Systems, Inc.Routing FundamentalsRouting Fundamentals© 2000, Cisco Systems, Inc. www.cisco.com2-276-28CSE: Networking Fundame

15Copyright © 1997 Cisco Systems, Inc.6-29CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comRouting RequirementsRouting

16Copyright © 1997 Cisco Systems, Inc.6-31CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comAdministrative DistanceAdmi

17Copyright © 1997 Cisco Systems, Inc.6-33CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comRouting DecisionsRouting De

18Copyright © 1997 Cisco Systems, Inc.6-35CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comIGRP Routing MetricsIGRP Ro

19Copyright © 1997 Cisco Systems, Inc.6-37CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comDistance Vector Protocol Co

2Copyright © 1997 Cisco Systems, Inc.6-3CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comWAN DevicesWAN Switch Switche

20Copyright © 1997 Cisco Systems, Inc.6-39CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comEIGRP ConvergenceEIGRP Conv

21Copyright © 1997 Cisco Systems, Inc.6-41CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comRouting TablesRouting Table

22Copyright © 1997 Cisco Systems, Inc.6-43CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comIssues with IP AddressingIs

23Copyright © 1997 Cisco Systems, Inc.6-45CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comSubnetting OverviewSubnetti

24Copyright © 1997 Cisco Systems, Inc.6-47CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comAddress Class UsageAddress

25Copyright © 1997 Cisco Systems, Inc.6-49CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.com172.16.14.32/27172.16.14. 6

26Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comCisco Router ArchitectureCisco Router Architecture6-52CSE: Networking Fu

27Copyright © 1997 Cisco Systems, Inc.6-53CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comRouters (Operationally)Rout

28Copyright © 1997 Cisco Systems, Inc.6-55CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 800 Series• ISDN IP a

29Copyright © 1997 Cisco Systems, Inc.6-57CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 1600 Series• Scalable

3Copyright © 1997 Cisco Systems, Inc.6-5CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.com• Dedicated physical circuit

30Copyright © 1997 Cisco Systems, Inc.6-59CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 2500 Series• Fixed-co

31Copyright © 1997 Cisco Systems, Inc.6-61CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 2500 SeriesMission-Sp

32Copyright © 1997 Cisco Systems, Inc.6-63CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 2600 ModulesWAN Netwo

33Copyright © 1997 Cisco Systems, Inc.6-65CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 3600 ModulesWAN Netwo

34Copyright © 1997 Cisco Systems, Inc.6-67CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 4000 Series•Modular,

35Copyright © 1997 Cisco Systems, Inc.6-69CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 3600 and 4000 Positio

36Copyright © 1997 Cisco Systems, Inc.6-71CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 7200 Multiservice/Mul

37Copyright © 1997 Cisco Systems, Inc.6-73CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comVIPs and Port AdaptersSwitc

38Copyright © 1997 Cisco Systems, Inc.6-75CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 7200 and 7500 Network

39Copyright © 1997 Cisco Systems, Inc.6-77CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco 12000 Series GSR• Car

4Copyright © 1997 Cisco Systems, Inc.6-7CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.com• A logical circuit ensuring

40Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comCisco IOS IP Network ServicesCisco IOS IP Network ServicesMulticastingMu

41Copyright © 1997 Cisco Systems, Inc.6-81CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comTremendous Bandwidth Saving

42Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comCisco IOS IP Network ServicesCisco IOS IP Network ServicesVoice and Vide

43Copyright © 1997 Cisco Systems, Inc.6-85CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comGatewaysSwitches RoutersCis

44Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comCisco IOS IP Network ServicesCisco IOS IP Network ServicesQuality of Ser

45Copyright © 1997 Cisco Systems, Inc.6-89CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comBenefits for Enterprise Cus

46Copyright © 1997 Cisco Systems, Inc.6-91CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comConsistent, Predictable Per

47Copyright © 1997 Cisco Systems, Inc.6-93CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comDifferentiated IP ServicesG

48Copyright © 1997 Cisco Systems, Inc.6-95CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comSeparate “Conform” and “Exc

49Copyright © 1997 Cisco Systems, Inc.6-97CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comGoldHigh PrecedenceGuarante

5Copyright © 1997 Cisco Systems, Inc.6-9CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comSDLC IBM’s SNA data link laye

50Copyright © 1997 Cisco Systems, Inc.6-99CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comBenefits for Enterprise Cus

51Copyright © 1997 Cisco Systems, Inc.© 1999, Cisco Systems, Inc.www.cisco.comCisco IOS IP Network ServicesCisco IOS IP Network ServicesSecuritySecuri

52Copyright © 1997 Cisco Systems, Inc.6-103CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comCisco’s Complete Network S

6Copyright © 1997 Cisco Systems, Inc.6-11CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comTransmission Options or WAN

7Copyright © 1997 Cisco Systems, Inc.6-13CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comIntegrated Services Digital

8Copyright © 1997 Cisco Systems, Inc.6-15CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comLeased Line• One connection

9Copyright © 1997 Cisco Systems, Inc.6-17CSE: Networking Fundamentals — WAN Basics© 1999, Cisco Systems, Inc.www.cisco.comDSL“Modem”End UserDSL“Modem”