IPv6 Tutorial - RIPE 64

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IPv6 FlowsIPIPIP Phone(192.168.1.1, 192.168.1.2, 80, 3165, 6)(192.168.1.6, 192.168.1.7, 5060, 31300,6)(192.168.1.3, 192.168.1.4, 5060, 31300,6)IP Phone(192.168.1.5, 192.168.1.6, 25, 2300,6)IPIP PhoneIPIP Phone36
• IPv6 instead uses• (src, dst, flow label)•IPv6 and FlowsThe flow label is a 20-bit field in the IPv6 header• A zero value indicates that a packet is not part of any particularflow• Nodes must assume that there is no semantic meaning of the flowlable• Receiving nodes must not assume that a packet arriving120s or more after last one with the same flow label ispart of the same flow• Unless state is manged/signaled in some other way•Flow labelling makes no assumption on packet re-ordering37
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 and 16: The background of IPV6• A first s
Page 17 and 18: The background of IPv6A number of p
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: IPv6 and Flows• A flow is a seque
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
Page 67 and 68: EUI64 encoding00 14 51 01 FC 3600 1
Page 69 and 70: RFC4941• More solutions to the in
Page 71 and 72: IPv6 ‘special’ addresses• The
Page 73 and 74: Point to point link addressing• M
Page 75 and 76: Point to point link• Possible sol
Page 77 and 78: Address allocation policies77
Page 79 and 80: Address allocation policy• Propos
Page 81 and 82: Today's Address AllocationPolicy•
Page 83 and 84: Transition technologies• When int
Page 85 and 86: End-user 185
Page 87 and 88:
The “lucky” end-user87
Page 89 and 90:
Dual-stack - IOSinterface FastEther
Page 91 and 92:
Tunnels• Tunnels can be static•
Page 93 and 94:
Tunnel encapsulationIPv4 HeaderIPv6
Page 95 and 96:
Tunnels example - Routerto-host•
Page 97 and 98:
6to4• In 6to4 an IPv4 gateway add
Page 99 and 100:
6to4192.168.1.1 10.0.0.12002:10:0:0
Page 101 and 102:
6to4 - FreeBSD exampleIn /etc/rc.co
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Teredo• Many transition technolog
Page 105 and 106:
Teredo• Terdo client• The clien
Page 107 and 108:
• Start sequenceTeredo• Decide
Page 109 and 110:
Teredo109
Page 111 and 112:
Cone NATTeredoAs mapping exists in
Page 113 and 114:
Teredo• Client A sends a bubble p
Page 115 and 116:
Teredo• Teredo client starts with
Page 117 and 118:
Translation mechanisms• In additi
Page 119 and 120:
Scenarios• Many operators already
Page 121 and 122:
IPv6 over Circuit MPLSPEPPCircuitPE
Page 123 and 124:
6PEIPv4/IPv6 dual-stackMP-iBGP6PEPP
Page 125 and 126:
What do I need to doto get started?
Page 127 and 128:
Apply for IPv6 addressspace - LIR
Page 129 and 130:
Page 131 and 132:
Page 133 and 134:
Page 135 and 136:
ISP > /48
Page 137 and 138:
ISP > /48
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Make an addressing plan• In the b
Page 141 and 142:
To keep in mind...• Start with co
Page 143 and 144:
Configuration - Cisco IOS• IPv6 i
Page 145 and 146:
FreeBSD• FreeBSD6.3-REL and FreeB
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OS X
Page 149 and 150:
OS X
Page 151 and 152:
Windows Vista
Page 153 and 154:
Windows Vista
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Configuration examples-Applications
Page 157 and 158:
Postfix• In main.cf# IPv6 configu
Page 159 and 160:
Apache2• In httpd.conf• orListe
Page 161 and 162:
IPv6 Neighbour Discovery• Describ
Page 163 and 164:
IPv6 Neighbour Discovery• Router
Page 165 and 166:
Stateless addressautoconfiguration
Page 167 and 168:
IPv6 Anycast addresses• An anycas
Page 169 and 170:
IPv6 Anycast• Required anycast ad
Page 171 and 172:
IPv6 multicast• Flags are defined
Page 173 and 174:
IPv6 multicast• Pre-defined multi
Page 175 and 176:
• Defined in RFC2740• Called OS
Page 177 and 178:
OSPFinterface GigabitEthernet2/1des
Page 179 and 180:
IS-IS179
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!ISIS IOS configurationexampleinter
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BGP and IPv6• BGP will behave exa
Page 185 and 186:
BGP and IPv6address-family ipv6neig
Page 187 and 188:
outer bgp 1!Peer Groupsneighbor ibg
Page 189 and 190:
Prefix-listrouter bgp 1neighbour 20
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IPv6 Tutorial - RIPE 64

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