IPv6 Address Space Best Practice Document Produced by the CESNET-led working group on IPv6 (CBPD116) Author: Tomáš Podermański August 2011 © Original version 2011 © English translation TERENA 2011 All rights reserved Document No: GN3-NA3-T4-CBPD116 Version / date: 1 August 2011 Original language: Czech Original title: “IPv6 Mýty a skute čnost, díl II. - Adresový prostor” Original version / date: 1 of 1 August 2011 Contact:
[email protected] This translated version is based on the Czech v ersion published in the electronic journal, Lupa.cz , on 17 February 2011. Parts of the report may be freely copied, unaltered, provided that the original source is acknowledged and the copyright preserved. The translation of this report has received funding from the European Community's Seventh Framework Programme (FP7/2007-20 13) under grant agreement n° 238875, relating to th e project 'Multi -Gigabit European Research and Education Network and Associated Services (GN3)'. 2 Table of Contents Table of Contents 3 Executive Summary 4 1 IPv6 address scheme 5 2 Address types 7 2.1 Link-Local 7 2.2 Broadcast 8 2.3 Unique-Local, Site-Local 8 2.4 Multicast, Anycast 9 2.5 Global 9 3 The network part of global addresses and network structure 10 3.1 Home networks 11 3.2 Multihoming 12 4 End-user networks 13 4.1 The host part of the address – Host ID, Interface ID 13 4.2 IPv6 addresses EUI-64 13 4.3 Mapping the IPv6 EUI-64 addresses 14 4.4 Privacy Extensions 14 4.5 Manual IPv6 configuration and other options 17 5 Conclusion 19 6 List of Figures 20 3 Executive Summary This document describes network structure, the ways of creating IPv6 addresses in end-user networks, and the methods used to connect home, corporate and campus networks.