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Appendix A. Examples of IPv4/IPv6 Address Translation (Exemples de traduction d'adresses IPv4/IPv6)

Appendix A. Examples of IPv4/IPv6 Address Translation (Exemples de traduction d'adresses IPv4/IPv6)​

Ce qui suit est un exemple de traduction d'adresse IPv4/IPv6 sur l'architecture 464XLAT.

Dans le cas où un préfixe IPv6 supérieur à /64 est attribué à un utilisateur final par exemple via DHCPv6-PD [RFC3633], le CLAT peut utiliser un /64 dédié du préfixe IPv6 attribué.

      Host & configuration value
   +------------------------------+
   |           IPv4 server        |
   |         [198.51.100.1]       |            IP packet header
   +------------------------------+   +--------------------------------+
                   ^                  | Destination IP address         |
                   |                  | [198.51.100.1]                 |
                   |                  | Source IP address              |
                   |                  | [192.0.2.1]                    |
   +------------------------------+   +--------------------------------+
   |              PLAT            |                   ^
   | IPv4 pool address            |                   |
   | [192.0.2.1 - 192.0.2.100]    |                   |
   | PLAT-side XLATE IPv6 prefix  |                   |
   | [2001:db8:1234::/96]         |                   |
   +------------------------------+   +--------------------------------+
                   ^                  | Destination IP address         |
                   |                  | [2001:db8:1234::198.51.100.1]  |
                   |                  | Source IP address              |
                   |                  | [2001:db8:aaaa::192.168.1.2]   |
   +------------------------------+   +--------------------------------+
   |              CLAT            |                   ^
   | PLAT-side XLATE IPv6 prefix  |                   |
   | [2001:db8:1234::/96]         |                   |
   | CLAT-side XLATE IPv6 prefix  |                   |
   | [2001:db8:aaaa::/96]         |                   |
   +------------------------------+   +--------------------------------+
                   ^                  | Destination IP address         |
                   |                  | [198.51.100.1]                 |
                   |                  | Source IP address              |
                   |                  | [192.168.1.2]                  |
   +------------------------------+   +--------------------------------+
   |          IPv4 client         |
   |        [192.168.1.2/24]      |
   +------------------------------+
   Delegated IPv6 prefix for client: 2001:db8:aaaa::/56