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IPv4 to IPv6 network migration by Rodney Smith For CS158 4-11-2005

IPv4 to IPv6 network migration by Rodney Smith For CS158 4-11-2005. Overview. Requirements for transition to an IPv6 network. Steps towards migration to an IPv6 network. Requirements for transition to an IPv6 network.

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IPv4 to IPv6 network migration by Rodney Smith For CS158 4-11-2005

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  1. IPv4 to IPv6 network migration by Rodney Smith For CS158 4-11-2005

  2. Overview • Requirements for transition to an IPv6 network. • Steps towards migration to an IPv6 network.

  3. Requirements for transition to an IPv6 network • The IPv6 network should perform just as well as the IPv4 network. (ex. Enough memory) • Network Management tools for IPv6 network. (ex. Cisco Works) • No disruption in service. (ex. Enough CPU) • Address allocation.

  4. Steps Towards IPv6 migration IPv6 Address allocation • Obtain IPv6 address space allocation. • Can obtain via Regional Internet Registry. (ex. Ripe NCC) • The more addresses obtained the better but should not be a problem with IPv6

  5. Steps Towards IPv6 Migration Plan how addresses will be assigned between network sites. • In IPv4 we would use variable length subnet masks to provide a hierarchical way of assigning addresses • In IPv6 we are not restricted as much and can assign one sized mask to all sites.

  6. Steps Towards IPv6 Migration Network Management tools • Must be able to provide a way to monitor IPv6 enabled network with IPv6 enabled mangement tools. • Example of one such tool is Cisco Works

  7. Steps Towards IPv6 Migration Transition Path for IPv4 Network • Simple IPv4 Network for Medium to Large networks

  8. Steps Towards IPv6 Migration Transition Path for IPv4 Network • Dual-Stack • 6to4 tunnel • Tunnel Broker • Layer 2 VPN

  9. Steps Towards IPv6 Migration Transition Path for IPv4 Network • 6PE • Future protocol 6VPE

  10. Steps Towards IPv6 Migration Routing Protocol • OSPFv3 • ISIS for IPv6 • BGP-4+ • RIPng (don’t use this!)

  11. Steps Towards IPv6 Migration Enable Endpoints of network • WinXP & Win2k are IPv6 compatible. Enable all endpoints of single site after upgrade of routers. • Make sure you plan and test how this upgrade would occur.

  12. Questions and Comments?

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