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# I Pv6 Addressing

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Unit 4 Of ACN

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### I Pv6 Addressing

1. 1. IPv6 Address Syntax The following is an IPv6 address in binary form: 0010 0001 1101 1010 0000 0000 1101 0011 0000 0000 0000 0000 0010 1111 0011 1011 0000 0010 1010 1010 0000 0000 1111 1111 1111 1110 0010 1000 1001 1100 0101 1010 The 128-bit address is divided along 16-bit boundaries:
2. 2. IPV6 address Representation <ul><li>0010000111011010 0000000011010011 0000000000000000 0010111100111011 0000001010101010 0000000011111111 1111111000101000 1001110001011010 </li></ul><ul><li>Each 16-bit block is converted to hexadecimal and delimited with colons. The result is: </li></ul><ul><li>21DA:00D3:0000:2F3B:02AA:00FF:FE28:9C5A </li></ul>
3. 3. Zero Suppression/compression <ul><li>HEX Representation </li></ul><ul><ul><li>21DA:00D3:0000:2F3B:02AA:00FF:FE28:9C5A </li></ul></ul><ul><li>After leading zero suppression </li></ul><ul><ul><li>21DA:D3:0:2F3B:2AA:FF:FE28:9C5A </li></ul></ul><ul><li>LL Address after leading zero suppression </li></ul><ul><ul><li>FE80:0:0:0:2AA:FF:FE9A:4CA2 </li></ul></ul><ul><li>After Zero compression </li></ul><ul><ul><li>FE80::2AA:FF:FE9A:4CA2 </li></ul></ul>
5. 5. Global Unicast Addresses
7. 7. Site-Local Addresses FEC0::/10
8. 8. Special addresses <ul><li>The unspecified address </li></ul><ul><ul><li>0:0:0:0:0:0:0:0 or :: </li></ul></ul><ul><li>The loopback address </li></ul><ul><ul><li>0:0:0:0:0:0:0:1 or ::1 </li></ul></ul>
9. 9. Compatible addresses <ul><li>The IPv4-compatible address </li></ul><ul><ul><li>0:0:0:0:0:0: w.x.y.z or :: w.x.y.z </li></ul></ul><ul><li>The IPv4-mapped address, </li></ul><ul><ul><li>0:0:0:0:0:FFFF: w.x.y.z or ::FFFF: w.x.y.z , </li></ul></ul><ul><li>The 6to4 address is formed by combining the prefix 2002::/16. Used for tunneling </li></ul>
10. 10. MAC address format
11. 11. Mapping IEEE 802 Addresses to EUI-64 Addresses
12. 12. Multicast address Flag 0- permanent Scope – 1:interface local; 2:link local; 5: site scope
13. 13. Solicited-Node Address
14. 14. Solicited-node multicast address from link local address <ul><li>A Node with link-local address of FE80::2AA:FF:FE 28:9C5A </li></ul><ul><li>also listens on the corresponding solicited-node multicast address of FF02::1:FF 28:9C5A </li></ul>