1. Cisco Certified Network Associate Exam 640-607

2. Objectives  To be able to install and configure Cisco routers.  To have a working knowledge of TCP/IP and be able to design and allocate IP addresses for an intranet.  Pass the 640-607 Exam

3. What you need to know  CD in the Sybex book  Router Simulator and Labs.  Practice Exams.  Book on CD.  Study Guide  Cisco Objectives.  Were to find them in the book.

4. On the CD…

5. AGENDA  DAY 1  Internetworking (Chapter 1 Sybex, Chapter 2 Exam Cram)  OSI Reference Model (Chapter 1 Sybex, Chapter 3 & 4 Exam Cram)  TCP/IP and the DOD Reference Model (Chapter 3 Sybex, Chapter 9 Exam Cram)  Subnetting (Chapter 3 Sybex, Chapter 10 Exam Cram)  Switching Technologies (Chapter 2 Sybex, Chapter 6 Exam Cram)  VIRTUAL LAN’s [VLAN’S] (Chapter 6 Sybex, Chapter 7 Exam Cram)

6. AGENDA  DAY 2  Cisco IOS (Chapter 4 Sybex, Chapter 5 Exam Cram)  IP Routing (Chapter 5 Sybex, Chapter 11 Exam Cram)  Router Configuration and Internetwork Management (Chapter 7 Sybex, Chapter 8 Exam Cram)

7. AGENDA  DAY 3  Configuring Novell IPX (Chapter 8 Sybex, Chapter 12 Exam Cram)  Access Lists (Chapter 9 Sybex, Chapter 13 Exam Cram)  Wide Area Networking Protocols (Chapter 10 Sybex, Chapter 14, 15, & 16 Exam Cram)

8. AGENDA  Days 4-6  Questions and follow-up.  Hands-on Labs  Test prep.  EXAM

9. Chapter One  Internetworking Basics  LANs  WANs

10. OSI Model  Why a layered network model?  How does it work?

11. OSI Model 9-8 Physical Data Link Network Transport Session Presentation Application Network Services – File services, Printing E-mail (E,C,T) Encryption, compression & Translation of Data Session Establishment, Management & Tear down End to End communication, connection oriented vrs.Connectionless, Acknowledged delivery Addressing & routing (logical address), Path Selection Media/Cable access, Hardware addressing, Cyclical Redundancy Check (CRC) Bits, Cabling & hardware Binary Translation Segment Frames Bits Packets or PDU Transfer of Data

12. OSI Model OSI LayerFunctionProduct Examples Application Presentation Session Transport Network Data Link Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

13. OSI Model OSI LayerFunctionProduct Examples Application Presentation Session Transport Network Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

14. OSI Model OSI LayerFunctionProduct Examples Application Presentation Session Transport Network Routers Address ICMP: Ping and Traceroute IP, IPX, ARP, RARP Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

15. OSI Model OSI LayerFunctionProduct Examples Application Presentation Session Transport Provides end to end Management & Control Flow Control TCP, SPX, NetBIOS Network Routers Address ICMP: Ping and Traceroute IP, IPX, ARP, RARP Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

16. OSI Model OSI LayerFunctionProduct Examples Application Presentation Session Connection Coordinator Traffic Cop NetBIOS, VTAM Transport Provides end to end Management & Control Flow Control TCP, SPX, NetBIOS Network Routers Address ICMP: Ping and Traceroute IP, IPX, ARP, RARP Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

17. OSI Model OSI LayerFunctionProduct Examples Application Presentation Defines how data should be formated PICT, MPEG, JPEG. Encryption, Compression, and Translation Session Connection Coordinator Traffic Cop NetBIOS, VTAM Transport Provides end to end Management & Control Flow Control TCP, SPX, NetBIOS Network Routers Address ICMP: Ping and Traceroute IP, IPX, ARP, RARP Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

18. OSI Model OSI LayerFunctionProduct Examples Application Overall System Management Telnet, File and Print, Email SNMP, SMTP, X.400, X.500, FTP Presentation Defines how data should be formated PICT, MPEG, JPEG. Encryption, Compression, and Translation Session Connection Coordinator Traffic Cop NetBIOS, VTAM Transport Provides end to end Management & Control Flow Control TCP, SPX, NetBIOS Network Routers Address ICMP: Ping and Traceroute IP, IPX, ARP, RARP Data Link Bridges and Switches Access Ethernet, Token Ring, FDDI, SDLC MAC and LLC sublayers Physical R.A.T.H. Cables & Connectors DTE/DCE copper wire, fiber, RJ-45, RS- 232-C

19. Transport Layer  Flow Control  Connection-Oriented  Windowing

20. Data Encapsulation  PDU’s  Transport Layer: Segments  Network Layer: Packets  Data Link Layer: Frames  Physical Layer: Bits

21. Cisco Three Layer Model  Core Layer  Distribution Layer (Workgroup layer)  Access Layer ( Desktop layer)

22. LAN Technologies  Ethernet and IEEE Standards 802.3 (802.1 – 802.12)  CSMA/CD  Broadcasts  Fast Ethernet 802.3u  Gigabit Ethernet 802.3q  Token Ring 802.5  Fiber Distributed Data Interface (FDDI)802.10  ATM Technology  LLC 802.2  Token Bus 802.4

23. CSMA/CD  All stations are listening  When clear is free to send  If two send at the same time there is a collision  Both back off and wait  When clear, one attempts to send

24. Two ways to transmit  Half Duplex:  One pair of wires  Only transmit or receive not both at the same time  Only 30 – 40 % efficient  Full Duplex:  Two pairs of wires  Transmit and receive at the same time  100% efficiency

25. Expanded 802.3u  100BaseTXTwisted pair100m  1000BaseTTwisted pair100m  100BaseFXFiber optics412m  100BaseCXCopper wire25m  100BaseSXFiber optics260m  100BaseLXFiber optics3 – 10k

26. Physical Layer  Repeaters:  Class I:Both 100BaseX and 100Base4 signals.  Class II:either 100BaseX or 100Base4 not both.  Fasehub300:  Amplifiers:  Transmitters:  Hubs:  Passive:  Active:

27. Topologies  Ring:  Star:  Bus:  ATM:  A fixed 53 byte cell.  Very high bandwidth  Low delay  Both switching and multiplexing

28. Review  Pages 64 – 70

29. Chapter Two TCP/IP Protocol Suite

30. Overview  The TCP/IP and DOD Reference Model  Process/Application Layer Protocols  Host-to-Host Layer Protocols  Internet Layer Protocols  Network Access Layer Protocols  IP Address Resolution  Local Resolution  The ARP Cache  Remote Resolution

31. TCP/IP and the DoD  The DoD was created to ensure and preserve data integrity  A Four layered model Process/ Application Host-to-Host Internet Network Access Application Presentation Session Transport Network Data Link Physical

32. Process/Application Layer  Protocols include:  DHCP  DNS  TFTP  NFS  SMTP  LPD  X Windows  SNMP

33. Host-to-Host (Transport)  Purpose is to shield the upper-layer applications from the complexities of the network  Protocols include:  TCP  UDP

34. TCP  Segment format:

35. UDP  Segment format: Source port (16)Destination Port (16) Length (16)Checksum (16) Data (if any) Bit 0Bit 31Bit 15 Bit 16 8 Bits

36. Port Numbers  0 – 255 public applications  256 – 1023 are assigned to companies to use in their applications  0 – 1024 are considered well known.  1024 – 64k used by upper lay apps.

37. Port Numbers  Well known TCPUDP FTPTelnetSMTPDNSTFTPSNMP 21 23 25 53 69 161 6 17

38. Internet Layer (Network)  All Network paths go through IP  This is the only Layer relating to Routing  This layer provides:  ICMP: Internet Control Message Protocol  Ping  Traceroute

39. ICMP Testing  Using Ping ICMP Echo Request ICMP Echo Reply Is Y Reachable? Yes, I’m Reachable. X Y XY

40. ARP: Address Resolution Protocol  How Address Resolution works Resolve MAC address from IP address 192.168.3.46192.168.3.44 I want the MAC address of 192.168.3.44 This broadcast is for me. Here is my MAC address Source IP: 192.168.3.46 Source MAC: 0800.0020.1234 Dest. IP: 192.168.3.44 Dest. MAC: ffff.ffff.ffff Source IP: 192.168.3.44 Source MAC: 0800.0020.3456 Dest. IP: 192.168.3.46 Dest. MAC: 0800.0020.1234 XY XY

41. RARP: Reverse ARP  How RARP works: Resolve IP address from MAC address What is my IP Address? I understand the broadcast. Your IP address is 192.168.3.44 Ethernet: 0800.0020.3456 IP: Ethernet: 0800.0020.3456 IP: 192.168.3.44 XY

42. Network (Data Link and Physical)  Monitors the data exchange between the host and the network.  This layer has:  Ethernet  Fast Ethernet  Token Ring  FDDI  Responsible for framing the data by placing the MAC address into the frame.  CRC  Specifying the access method

43. Logical and Physical Address  MAC is Physical  48 bits expressed in 6 bytes  3 bytes Assigned by IEEE (OUI)  3 bytes for the serial number of the NIC  IP Address  32 bits expressed in 4 bytes  Two parts:  Network  Host

44. Chapter Three IP Addressing and Subnetting

45. Overview  Numbering Systems  What is IP Addressing?  The Hierarchical IP Addressing Scheme  Additional Classes of Networks  Who Assigns Network Addresses?  Subnetting a Network  Implementing Subnetting  How to Implement Subnetting  Subnet Masks  Can This Be Make Easier?

46. Numbering  Dotted Decimal  Binary  Hexadecimal

47. IP Addressing Guidelines  Cannot use 127  Network ID cannot be all 1 or 0  Host ID cannot be all 1 or 0  Private IP Address:  10.0.0.0  172.16.0.0  192.168.0.0  Class D is for Multicasting  Class E is for Experimental

48. Subnet Mask  1’s identify the Network mask  0’s identify the Host mask  2 n – 2 = Networks  2 h – 2 = Hosts

49. Default Mask  Class A255.0.0.0  Class B255.255.0.0  Class C255.255.255.0

50. Exercises  Page 7  Page 8  Page 10  Page 13

51. Review  Lab on page 170  Questions on pages 171 – 177

52. Chapter Four Switching Technologies

53. Bridges and Switches Repeater, HUB, Modem Bridge, Switches Router, Brouter GATEWAYS… Physical Data Link Network Transport Session Presentation Application SA/DA Up to data MAC Address Signal

54. Review  Pages 98 – 104