思科網(wǎng)絡(luò)技術(shù)培訓之3連接cisco設(shè)備

1、Objectives,Upon completion of this chapter, you will be able to perform the following tasks:Identify and connect necessary components to enable connectivity between routers or switchesIdentify and connect necessary com

2、ponents to enable WAN connectivity over serial or ISDN BRI connections,Objectives (cont.),Set up console connections between routers, switches and a terminal Document the physical topology, including cable types and cab

3、le locations on each internetworking device,,,,,,,,,,,core_sw_a,ISDN Cloud,,Leased Line/Frame Relay,,,Cabling the Campus,,,,,,,LegendFastEthernet/EthernetISDNDedicated,,,,,Core_Server,,,Physical,Data Link(MAC layer

4、),,LAN Physical Layer Implementations,Physical layer implementations varySome implementations support multiple physical media,Ethernet,100baseTX,10BaseT,,802.3,10Base5,10Base2,,,100baseFX,802.3 Specifications for 10mb

5、Ethernet,802.3u Specifications for 100mb (Fast) Ethernet,100baseT4,10BaseF,,DIX Standard,,,,,Positioning Ethernet in the Campus,Access Layer,Distribution Layer,Core Layer,,,,Ethernet 10BaseT Position,Fast Ethernet Posit

6、ion,Access Layer,Distribution Layer,Core Layer,Provides connectivty between the end user device and the access switch.,Not typically used at this layer.,Gives high-performance PC and workstations 100-Mbps access to the s

7、erver.,Provides connectivity between access and distribution layers. Provides connectivity from the distribution to core layer. Provides connectivity from the server block to the core layer.,Provides inter-switch connect

8、ivity.,Not typically used at this layer.,,,,,,,,Comparing Ethernet Media Requirements,10Base5,100BaseTX,10BaseT,,100BaseFX,Media,Maximum Segment Length,Topology,Connector,,,,50-ohm coax (thick),500 meters,Bus,100 meter

9、s,Star,Star,Point-to-Point,EIA/TIA Cat3, 4, 5 UTP2 pair,EIA/TIA Cat5 UTP2 pair,62.5/125 micron multi-mode fiber,AUI,ISO 8877 (RJ-45),Duplex media-interface connector (MIC) ST,ISO 8877 (RJ-45),400 meters,100 meter

10、s,Differentiating between Connections,AUI connectors are DB15,ISO 8877 (RJ-45) connectors and jacks are slightly larger than RJ-11 phone connectors and jacks,Fiber Connector Port,,,,,UTP Device,The RJ-45 Connector,,,,,,

11、,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,1,8,,8,Pair 4 R4,1,2,3,4,5,6,7,Wire PairT is TipR is Ring,Pair 2 T2,Pair 2 R2,Pair 3 T3,Pair 1 R1,Pair 1 T1,Pair 3 R3,Pair 4 T4,,Pin,,,,,,,,,,,,,UTP Implementation Straigh

12、t-through,Wires on cable ends are in same order,,Pin Label1RD+2RD-3TD+4NC5NC6TD-7NC8NC,Cable 10BaseT/100BaseT Straight-through,Pin Label1TD+2TD-3RD+4NC5NC6RD-7NC8NC,,,,Server/Router,,,,

13、,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,1,8,,,,,,,,,Straight-through Cable,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,8,,,,,,,,,,,1,Hub/Switch,,1－2－3－6,,,,UTP Implementation Crossover,Some wires on cable ends a

14、re crossed,Cable 10BaseT/100BaseT Crossover,Pin Label1RD+2RD-3TD+4NC5NC6TD-7NC8NC,Pin Label1RD+2RD-3TD+4NC5NC6TD-7NC8NC,,,,,Crossover Cable,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

15、,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,1,8,1,8,,,,,,,,,,8,1,wg,g,wb,wo,b,o,br,wbr,,Hub/Switch,Hub/Switch,UTP Implementation of Straight-through versus Crossover,Use a crosso

16、ver cable when BOTH ports are designated with an x or neither port is designated with an x.,Use straight-through when only one port is designated with an X.,1x,2x,3x,4x,,1x,2x,3x,4x,1x,2x,3x,4x,,,,,,,Cabling the Campus,D

17、etermine the physical media used- 10mb or 100mbIndicates what type of CAT cable is requiredLocating interfaces on the chassis- determine if one or both ports have an XIndicates if need crossover or straight-through c

18、able,,,,,100 MbpsCat 5Crossover,10 MbpsCat 3, 4, 5Crossover,100 MbpsCat 5 Straight-through,,,10 MbpsCat 3, 4, 5Straight-through,10 MbpsCat 3, 4, 5Straight-through,Cabling the WAN,,,,,,,Core_Server,,,,core_sw_a,

19、ISDN Cloud,,,,,,,,,,LegendFastEthernet/EthernetISDNDedicated,,,,core_sw_b,core_sw_b,ISL,,Leased Line/Frame Relay,WAN Physical Layer Implementations,Physical layer implementations varyCable specifications define sp

20、eed of link,,PPP,,Frame Relay,,EIA/TIA-232EIA/TIA-449X.121 V.24 V.35HSSI,,ISDN BRI (with PPP),RJ-45NOTE: Pinouts are different than RJ-45 used in campus,,HDLC,Differentiating Between WAN Serial Connectors,,,Router

21、 connections,,Network connections at the CSU/DSU,EIA/TIA-232,EIA/TIA-449,EIA-530,V.35,X.21,CSU/DSU,End user device,,DTE,DCE,Service provider,Data Terminal EquipmentEnd of the user’s deviceon the WAN link,Data Commun

22、ications EquipmentEnd of the WAN provider’s side of the communication facilityDCE is responsible for clocking,,,,,DCE,DTE,ModemCSU/DSU,,DTE,DTE,DCE,DCE,Serial Implementation ofDTE versus DCE,DTE/DCE—The point where

23、responsibility passes,,Fixed Interfaces,2500 Router—rear view,Serial WAN ports can be fixed,Console,1603 Router—rear view,Ethernet AUI,Ethernet 10BaseT,ISDN BRI S/T,Serial WAN ports can be modular,3640 Router—rear view,

24、,Modular Interfaces,Module,WAN Interface Card,,,,,,,,Cabling Routers for ISDN Connections,Determine if you need a BRI S/T or U InterfaceRouters have one or both types of ports,Note port Label,,,,,,,Cabling Routers for I

25、SDN Connections (cont.),!!!WARNING!!!Do not connect a cable into an ISDN port unless it is from an ISDN switch or ISDN wall jack.If you connect a cable from any other device into the BRI port, you will ruin the non-ISD

26、N device.,Cisco Router,,ISDN BRI port,PCs require an RJ-45 to DB-9 or RJ-45 to DB-25 adapterCOM port settings are 9600 bps, 8 data bits, no parity, 1 stop bit, no flow controlThis provides out-of-band console accessAU

27、X switch port may be used for modem-connected console,Setting up a Console Connection,Device with console,Summary,After completing this chapter, you should be able to perform the following tasks: Identify and connect

28、necessary components to enable connectivity between switches and routers Identify and connect necessary components to enable WAN connectivity between over serial or ISDN BRI connections Set up console connecti

29、ons on routers and switches Document the physical topology of a network, including cable types and locations,1. Discuss three standards on which Ethernet LAN implementations are based.2. If you want to upgrade your s

30、witch to switch connectivity to 100BaseT, what category of cable do you need?3. Does the following pinout scheme reflect a straight-through, rollover, or crossover cable?4. What media can be used for each connector t