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Hierarchical <strong>Address</strong>ing and AggregationSite 12001:DB8:0001:/482001:DB8:0001:0001:/642001:DB8:0001:0002:/642001:DB8:0002:0001:/642001:DB8:0002:0002:/64Site 22001:DB8:0002:/48Announcesthe /64 PrefixAnnouncesthe /48 PrefixISP2001:DB8::/32Announcesthe /48 PrefixAnnouncesthe /32 PrefixIPv6 Internet2001::/16RST-130012394_04_2006_c2© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public26
IPv6 Interface IdentifierLowest-Order 64-Bit Field of Unicast <strong>Address</strong>May Be Assigned in Several Different Ways:• Auto-configured from a 64-bit EUI-64, or expandedfrom a 48-bit MAC address (e.g. Ethernet address)• Auto-generated pseudo-random number(to address privacy concerns)• Assigned via DHCP• Manually configuredRST-130012394_04_2006_c2© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public27
Page 1 and 2: IPv6 ConceptsRST-1300RST-130012394_
Page 3 and 4: A Need for IPv6?• IETF IPv6 WG be
Page 5 and 6: A Need for IPv6?• Transportation
Page 7 and 8: Coming Back to an End-to-End Archit
Page 9 and 10: IP—The Application’s Convergenc
Page 11 and 12: IPv6 Features• Larger address spa
Page 14 and 15: The Chain of Pointers Formed by the
Page 16 and 17: MTU Issues• Minimum link MTU for
Page 18 and 19: Larger Address SpaceIPv4 = 32 BitsI
Page 20 and 21: AddressingPrefix Representation•
Page 22 and 23: Addressing• Some special addresse
Page 24 and 25: Aggregatable Global Unicast Address
Page 28 and 29: IPv6 Interface Identifier• Cisco
Page 30 and 31: Conversion of an IEEE 802 Address t
Page 33 and 34: Link-Local128 BitsRemaining 54 Bits
Page 35 and 36: IPv6 Multicast Address• The multi
Page 37 and 38: Solicited-Node Multicast Address•
Page 39 and 40: AnycastAnycast Address Assignment
Page 41 and 42: ICMPv6• Internet Control Message
Page 43 and 44: Neighbor Discovery• Replaces ARP,
Page 45 and 46: Neighbor DiscoveryRouter Solicitati
Page 47 and 48: Neighbor Solicitation• Send to di
Page 49 and 50: Neighbor Solicitation and Advertise
Page 51 and 52: RedirectABR2R12001:db8:C18:2::/64Sr
Page 53 and 54: RenumberingMac Address:00:2c:04:00:
Page 55 and 56: IPv6 Configuration• In order to e
Page 57 and 58: IPv6 ConfigurationRouter#conf tRout
Page 59 and 60: Cisco IOS Standard Access ListsWhen
Page 61 and 62: Troubleshooting Access-ListsRouter#
Page 63 and 64: Static RoutingRST-130012394_04_2006
Page 65 and 66: Default Routing ExampleIPv6 Interne
Page 67 and 68: Enhanced Routing Protocol SupportRI
Page 69 and 70: DeploymentRST-130012394_04_2006_c2
Page 71 and 72: Dual Stack ApproachApplicationIPv6-
Page 73 and 74: Cisco IOS Dual Stack ConfigurationI
Page 75 and 76: TunnelingMany Ways to Do Tunneling
Page 77 and 78:
IPv6 over IPv4 TunnelsIPv6 HeaderIP
Page 79 and 80:
Automatic 6to4 Tunnels• Automatic
Page 81 and 82:
Automatic 6to4 Tunnel (RFC 3056)S=2
Page 83 and 84:
Automatic 6to4 RelayIPv6InternetIPv
Page 85 and 86:
Automatic 6to4 TunnelsRequirements
Page 87 and 88:
Intrasite Automatic Tunnel AddressP
Page 89 and 90:
Automatic Advertisement of ISATAP P
Page 91 and 92:
Automatic Configuring ISATAPISATAP
Page 93 and 94:
Q and ARST-130012394_04_2006_c2© 2
Page 95 and 96:
Recommended Reading• Continue you
Page 97:
RST-130012394_04_2006_c2© 2006 Cis
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