IPv6 configuration items

You can configure the following for the IPv6 protocol for Windows:

IPv6 address

Default router

To resolve host names to IPv6 addresses, you need to add AAAA (quad-A) resource records to your DNS infrastructure and configure the Internet Protocol (TCP/IP) with the IP address of at least one DNS server.

IPv6 address

By default, link-local addresses are automatically configured for each interface on each IPv6 node (host or router) with a unique link-local IPv6 address. If you want to communicate with IPv6 nodes that are not on attached links, the host must have additional site-local or global unicast addresses. Additional addresses for hosts are either obtained from router advertisements sent by a router or assigned manually. Additional addresses for routers must be assigned manually.

For more information, see Unicast IPv6 addresses, To configure IPv6 with manual addresses, and IPv6 address autoconfiguration

Default router

To communicate with IPv6 nodes on other network segments, IPv6 must use a default router. A default router is automatically assigned based on the receipt of a router advertisement. Alternately, you can add a default route to the IPv6 routing table. You do not need to configure a default router for a network that consists of a single network segment.

For more information, see IPv6 address autoconfiguration and To add an IPv6 route

DNS server

A Domain Name System (DNS) server can resolve host names to IPv6 addresses. When an IPv6 host is configured with the address of a DNS server, the IPv6 host sends DNS name queries to the DNS server for resolution. The mapping from a host name to its IPv6 address is provided by AAAA (quad-A) resource records that are stored on your DNS servers.

For the IPv6 protocol for Windows, all DNS query and response traffic is sent by using IPv4, even though IPv6 addresses are being resolved. The addresses for DNS servers are configured through the properties of the Internet Protocol (TCP/IP) protocol in Network Connections. Alternately, you can place host name to IPv6 address mappings in the Hosts file.

For more information, see Name resolution and To configure TCP/IP to use DNS

A computer running Whistler can be configured as a DNS server that stores AAAA records. For more information, see Domain Name System (DNS)

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