1. IPv6 Part 2

6. Unique Local Unicast Addresses FC00::/7

7. Bogons These addresses are unallocated or reserved and should not be used on the Internet These addresses are unallocated or reserved and should not be used on the Internet These are impossible 6to4 addresses (2200: followed by non-routable IPv4 addresses) These are impossible 6to4 addresses (2200: followed by non-routable IPv4 addresses) 2002:e000::/19Class D & E 2002:7f00::/24Loopback 2002:0000::/240.0.0.0/8 2002:ff00::/24 2002:0a00::/24 2002:ac10::/28 2002:c0a8::/32 2002:e000::/19Class D & E 2002:7f00::/24Loopback 2002:0000::/240.0.0.0/8 2002:ff00::/24 2002:0a00::/24 2002:ac10::/28 2002:c0a8::/32

8. More Bogons These addresses are unallocated or reserved and should not be used on the Internet These addresses are unallocated or reserved and should not be used on the Internet fe80::/10 fec0::/10 fc00::/7 ff00::/8 2001:db8::/32 3ffe::/16 fe80::/10 fec0::/10 fc00::/7 ff00::/8 2001:db8::/32 3ffe::/16

9. Credits Many slides were from: Many slides were from: IPv6: What, Why, How openwall.com/presentations/IPv6 openwall.com/presentations/IPv6 Bogon list from Bogon list from The Incredible Shrinking Bogon List The Incredible Shrinking Bogon List http://www.networkworld.com/community/blog/incr edible-shrinking-bogon-list http://www.networkworld.com/community/blog/incr edible-shrinking-bogon-list

10. iClicker Questions

11. IPv4 Class A addresses go from 0.0.0.0 – 127.255.255.255. What is the correct specification for this address range? A.0.0.0.0/0 B.0.0.0.0/1 C.0.0.0.0/2 D.0.0.0.0/4 E.Something else

12. Solution 0.0.0.0 and 127.255.255.255 in binary: 0.0.0.0 and 127.255.255.255 in binary: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 01111111 11111111 11111111 11111111 01111111 11111111 11111111 11111111 Number of bits that match: 1 Number of bits that match: 1 This network is 0.0.0.0/1 This network is 0.0.0.0/1

13. IPv4 Class D addresses go from 224.0.0.0 – 239.255.255.255. What is the correct specification for this address range? A.224.0.0.0/2 B.224.0.0.0/3 C.224.0.0.0/4 D.224.0.0.0/5 E.Something else

14. The ULAs are FC00::/7. What is the largest ULA (Unique Local Address)? A.FCFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF B.FDFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF C.FEFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF D.FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF E.Something else

15. Solution FC00::/7 FC00::/7 1111 1100 0000 0000 0000 … --1 st Addr 1111 1100 0000 0000 0000 … --1 st Addr 1111 1101 1111 1111 1111 … --Last Addr 1111 1101 1111 1111 1111 … --Last Addr Last address is Last address is FDFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF FDFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

16. The Link-Local addresses are FE80::/10. What is the largest Link-Local address? A.FE8F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF B.FE9F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF C.FEBF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF D.FEFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF E.Something else

17. Solution FE80::/10 FE80::/10 1111 1110 1000 0000 0000 … --1 st Addr 1111 1110 1000 0000 0000 … --1 st Addr 1111 1110 1011 1111 1111 … --Last Addr 1111 1110 1011 1111 1111 … --Last Addr Last address is Last address is FEBF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF FEBF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF

18. This address range is reserved for documentation and debate: 2001:db8::/32. What is the largest address in that range? A.2001:DB8:0:0:ffff:ffff:ffff:ffff B.2001:DB8:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF C.2001:DB8F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF D.2001:DBF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF E.Something else

19. The Multicast addresses are FF00::/8. What is the largest Multicast address? A.FF00:0:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF B.FF00:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF C.FF0F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF D.FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF E.Something else

20. These are unroutable 6to4 addresses: 2002:e000::/19. What is the largest address in this range? A.2002:E000:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF B.2002:E00F:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF C.2002:E0FF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF D.2002:EFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF E.Something else

21. Solution 2002:e000::/19 2002:e000::/19 0010 0000 0000 0010 1110 0000 … --1 st 0010 0000 0000 0010 1110 0000 … --1 st 0010 0000 0000 0010 1111 1111 … --Last 0010 0000 0000 0010 1111 1111 … --Last Last address is Last address is 2002:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF 2002:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF