IPv6 Tutorial - RIPE 64

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The background of <strong>IPv6</strong>• IETF in July 1992 decided to make an estimate of theInternets future size and addressing needs• 2020 : 10 Billion people• 100 computers per person• To leave room for errors and sparse allocations, itwas decided that the needs would be• 10^15 computers• 10^12 networks16
The background of <strong>IPv6</strong>A number of proposals was developed• TUBA• Would eventually be known as IPv9• IAE• Nimrod• EIP• PIP• Would eventually be known as IPv8• SIP• TP/IX• Would eventually be known as IPv717
Page 1 and 2: IPv6 Tutorialkurtis@netnod.se1
Page 3 and 4: Background3
Page 5 and 6: The background of IPv6• Original
Page 7 and 8: Allocated addresses - IANA
Page 9 and 10: Assigned adresser - RIRs9
Page 11 and 12: What do people do with theaddresses
Page 13 and 14: Prediction based on RIRs13
Page 15: The background of IPV6• A first s
Page 19 and 20: IPv6 design and addressing19
Page 21 and 22: IPv6 header10 11 12 13 14 15 16 17
Page 23 and 24: The IPv6 packet format - maindiffer
Page 25 and 26: IPv6 extension headers• Extension
Page 27 and 28: IPv6 extension header -Routing0 8 1
Page 29 and 30: IPv6 extension headers -Fragmentati
Page 31 and 32: IPv6 extension headers -Destination
Page 33 and 34: IPv6 extension headers -Hop-by-Hop
Page 35 and 36: IPv6 and Flows• A flow is a seque
Page 37 and 38: • IPv6 instead uses• (src, dst,
Page 39 and 40: IPv6 security• In IPv4 secure (en
Page 41 and 42: IPv6 Security - Authentication• A
Page 43 and 44: IPv6 Security -Authentication• Ne
Page 45 and 46: IPv6 security -Encryption• Yet an
Page 47 and 48: IPv6 security - Encryption• Secur
Page 49 and 50: IPv6 Quality of Service• In IPv4
Page 51 and 52: IPv6 Design and addressing-Due to t
Page 53 and 54: IPv6 Address types• The IPv6 addr
Page 55 and 56: Scoped addresses• When developing
Page 57 and 58: Site-local• Originally there was
Page 59 and 60: Site-local• The debate that follo
Page 61 and 62: ULAs• Prefix• The globally uniq
Page 63 and 64: IPv6 Addressing - 6bone• In order
Page 65 and 66: IPv6 Unicast addresses65
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EUI64 encoding00 14 51 01 FC 3600 1
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RFC4941• More solutions to the in
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IPv6 ‘special’ addresses• The
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Point to point link addressing• M
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Point to point link• Possible sol
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Address allocation policies77
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Address allocation policy• Propos
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Today's Address AllocationPolicy•
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Transition technologies• When int
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End-user 185
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The “lucky” end-user87
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Dual-stack - IOSinterface FastEther
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Tunnels• Tunnels can be static•
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Tunnel encapsulationIPv4 HeaderIPv6
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Tunnels example - Routerto-host•
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6to4• In 6to4 an IPv4 gateway add
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6to4192.168.1.1 10.0.0.12002:10:0:0
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6to4 - FreeBSD exampleIn /etc/rc.co
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Teredo• Many transition technolog
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Teredo• Terdo client• The clien
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• Start sequenceTeredo• Decide
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Teredo109
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Cone NATTeredoAs mapping exists in
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Teredo• Client A sends a bubble p
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Teredo• Teredo client starts with
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Translation mechanisms• In additi
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Scenarios• Many operators already
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IPv6 over Circuit MPLSPEPPCircuitPE
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6PEIPv4/IPv6 dual-stackMP-iBGP6PEPP
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What do I need to doto get started?
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Apply for IPv6 addressspace - LIR
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Page 131 and 132:
Page 133 and 134:
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ISP > /48
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ISP > /48
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Make an addressing plan• In the b
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To keep in mind...• Start with co
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Configuration - Cisco IOS• IPv6 i
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FreeBSD• FreeBSD6.3-REL and FreeB
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OS X
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OS X
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Windows Vista
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Windows Vista
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Configuration examples-Applications
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Postfix• In main.cf# IPv6 configu
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Apache2• In httpd.conf• orListe
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IPv6 Neighbour Discovery• Describ
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IPv6 Neighbour Discovery• Router
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Stateless addressautoconfiguration
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IPv6 Anycast addresses• An anycas
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IPv6 Anycast• Required anycast ad
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IPv6 multicast• Flags are defined
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IPv6 multicast• Pre-defined multi
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• Defined in RFC2740• Called OS
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OSPFinterface GigabitEthernet2/1des
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IS-IS179
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!ISIS IOS configurationexampleinter
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BGP and IPv6• BGP will behave exa
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BGP and IPv6address-family ipv6neig
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outer bgp 1!Peer Groupsneighbor ibg
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Prefix-listrouter bgp 1neighbour 20
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IPv6 Tutorial - RIPE 64

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