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Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 1 Local Area Network (LAN) Technologies.

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Presentation on theme: "Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 1 Local Area Network (LAN) Technologies."— Presentation transcript:

1 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 1 Lesson 1 Local Area Network (LAN) Technologies

2 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 2 LAN Encapsulations Delimitation Protocol identification Addressing Bit-level integrity check

3 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 3 LAN Technologies Ethernet Token Ring FDDI IEEE 802.11

4 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 4 Ethernet Ethernet II IEEE 802.3 IEEE 802.3 SNAP

5 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 5 Destination Address Source Address Payload... EtherType Frame Check Sequence Preamble 46 - 1,500 bytes Ethernet II

6 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 6 The Maximum Extent Ethernet Network Repeater 2500 meters A B Slot time = 57.6  s

7 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 7 IEEE 802.3 Frame Format Destination Address Source Address DSAP SSAP Control Payload Length Frame Check Sequence Preamble IEEE 802.2 LLC Header Start Delimiter... IEEE 802.3 Header IEEE 802.3 Trailer

8 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 8 IEEE 802.3 SNAP Frame Format Destination Address Source Address DSAP SSAP Control IP Datagram Length Frame Check Sequence Preamble IEEE 802.2 LLC Header Start Delimiter... IEEE 802.3 Header IEEE 802.3 Trailer Organization Code EtherType = 0x00-00-00 = 0x08-00 SNAP Header 38-1,492 bytes = 0xAA = 0x03

9 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 9 Special Bits on Ethernet MAC Addresses Destination Address Source Address 0 - Individual 1 - Group 0 - Universal Admin 1 - Local Admin 0 - No Routing 1 - Routing Present 0 - Universal Admin 1 - Local Admin

10 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 10 IEEE 802.5 Frame Format DSAP SSAP Control IEEE 802.2 LLC Header... IEEE 802.5 Header IEEE 802.5 Trailer Starting Delimiter Access Control Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter Frame Status Payload

11 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 11 IEEE 802.5 SNAP Frame Format IEEE 802.5 Header IEEE 802.5 Trailer Starting Delimiter Access Control Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter Frame Status DSAP SSAP Control IP Datagram IEEE 802.2 LLC Header... Organization Code EtherType = 0x00-00-00 = 0x08-00 SNAP Header = 0xAA = 0x03

12 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 12 Special Bits on Token Ring MAC Addresses Destination Address 0 - Individual 1 - Group 0 - Universal Admin 1 - Local Admin 0 - No Routing 1 - Routing Present 0 - Universal Admin 1 - Local Admin Source Address 0 - Functional 1 - Nonfunctional

13 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 13 FDDI Frame Format DSAP SSAP Control IEEE 802.2 LLC Header... FDDI Header FDDI Trailer Preamble Starting Delimiter Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter Frame Status Payload

14 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 14 FDDI SNAP Frame Format FDDI Header FDDI Trailer Preamble Starting Delimiter Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter Frame Status DSAP SSAP Control IP Datagram IEEE 802.2 LLC Header... Organization Code EtherType = 0x00-00-00 = 0x08-00 SNAP Header = 0xAA = 0x03 Up to 4,352 bytes

15 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 15 IEEE 802.11 Frame Format Address 1 Address 2 DSAP SSAP Control Payload Address 3 Frame Check Sequence Frame Control IEEE 802.2 LLC Header Duration/ID... IEEE 802.11 Header IEEE 802.11 Trailer Sequence Control Address 4

16 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 16 Protocol Version Type Subtype To DS From DS More Fragments Retry Power Management More Data WEP Order The Frame Control Field

17 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 17 IEEE 802.11 SNAP Frame Format Address 1 Address 2 DSAP SSAP Control IP Datagram Address 3 Frame Check Sequence Frame Control IEEE 802.2 LLC Header Duration/ID... IEEE 802.11 Header IEEE 802.11 Trailer Sequence Control Organization Code EtherType = 0x00-00-00 = 0x08-00 SNAP Header = 0xAA = 0x03

18 Microsoft Windows Server 2003 TCP/IP Protocols and Services Technical Reference Slide: 18 Review Ethernet Token Ring FDDI IEEE 802.11

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