1. 資 管 Lee Appendix A1 Link-Layer Support for IPv6

2. 資 管 Lee Lesson Objectives Basic structure of IPv6 packets LAN media WAN media IPv6 over IPv4

3. 資 管 Lee IPv6 Header Payload IPv6 Packet Link-Layer Frame Link-Layer Header Link-Layer Trailer Basic Structure of IPv6 packets

4. 資 管 Lee LAN Media Ethernet Token Ring FDDI

5. 資 管 Lee Destination Address Source Address IPv6 Packet... EtherType Frame Check Sequence Preamble 46 - 1,500 bytes = 0x86DD Ethernet II Encapsulation of IPv6 Packets

6. 資 管 Lee Destination Address Source Address DSAP SSAP Control IPv6 Packet Length Frame Check Sequence Preamble IEEE 802.2 LLC Header Start Delimiter... IEEE 802.3 Header IEEE 802.3 Trailer Organization Code EtherType = 0 = 0x86DD SNAP Header 38-1,492 bytes = 0xAA = 0x3 Ethernet IEEE 802.3 SNAP Encapsulation of IPv6 Packets

7. 資 管 Lee Frame Status IEEE 802.5 Header IEEE 802.5 Trailer Starting Delimiter Access Control Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter DSAP SSAP Control IPv6 Packet IEEE 802.2 LLC Header... Organization Code EtherType = 0x0 = 0x86DD SNAP Header = 0xAA = 0x3 IEEE 802.5 SNAP Encapsulation of IPv6 Packets

8. 資 管 Lee FDDI Header FDDI Trailer Preamble Starting Delimiter Frame Control Destination Address Source Address Frame Check Sequence Ending Delimiter Frame Status DSAP SSAP Control IPv6 Packet IEEE 802.2 LLC Header... Organization Code EtherType = 0x0 = 0x86DD SNAP Header = 0xAA = 0x3 Up to 4,352 bytes FDDI Encapsulation of IPv6 Packets

9. 資 管 Lee WAN Media Point-to-Point Protocol (PPP) X.25 Frame Relay ATM

10. 資 管 Lee Flag Address Control Protocol IPv6 Packet Frame Check Sequence Flag = 0x7E = 0xFF = 0x3 = 0x57 = 0x7E... PPP with HDLC Framing Encapsulation of IPv6 Packets

11. 資 管 Lee Flag Address Control = 0x7E... General Format Indicator Logical Channel Number Packet Type Identifier Frame Check Sequence Flag IPv6 Packet = 0x7E PLP Header LAPB Header and Trailer NLPID = 0x8E X.25 Encapsulation of IPv6 Packets

12. 資 管 Lee Flag Address Control = 0x7E... Frame Check Sequence Flag IPv6 Packet = 0x7E NLPID = 0x8E = 0x3 Frame Relay Encapsulation of IPv6 Packets

13. 資 管 Lee IPv6 Packet Padding User to User Indication Common Part Indicator Length of Payload Frame Check Sequence 0 - 47 bytes... Up to 9,180 bytes... AAL5 Trailer ATM Null Encapsulation of IPv6 Packets

14. 資 管 Lee IPv6 Packet Padding User to User Indication Common Part Indicator Length of Payload Frame Check Sequence 0 - 47 bytes... DSAP SSAP Control Organization Code EtherType =0xAA =0x3 =0 =0x86DD LLC Header SNAP Header AAL5 Trailer ATM SNAP Encapsulation of IPv6 Packets

15. 資 管 Lee IPv6 Extension Headers Upper Layer PDU IPv6 Extension Headers Upper Layer PDUIPv4 IPv6 Packet IPv4 Packet IP Protocol field set to 41 (IPv6 header) IPv4 Encapsulation of IPv6 Packets

16. 資 管 Lee Review Basic structure of IPv6 packets LAN media WAN media IPv6 over IPv4