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--- userdoc:tt_ipv6_ula_nptv6_config [2017/06/03 21:21]
abelbeck [Example IPv6 ULA / NPTv6 Setup]
+++ userdoc:tt_ipv6_ula_nptv6_config [2017/06/04 13:05]
abelbeck [IPv6 ULA / NPTv6 Configuration]
@@ Line 1: / Line 1: @@
 ====== IPv6 ULA / NPTv6 Configuration ======
-AstLinux supports IPv6 Unique Local Addresses (ULA) with Network Prefix Translation (NPTv6) to assign static local routable IPv6 subnets which can be have their prefix mapped 1:1 to Global Unicast Addresses (GUA) for public Internet access.
+AstLinux supports IPv6 Unique Local Addresses (ULA) with Network Prefix Translation (NPTv6) to assign static local routable IPv6 subnets which can be have their prefix mapped 1:1 to Global Unicast Addresses (GUA) for global Internet access.
 This feature is often used in conjunction with:
 **[[userdoc:tt-dhcpv6-prefix-delegation|DHCPv6 with Prefix Delegation]]**
-!!Note: AstLinux 1.3.0 or later is required!!
+Should everyone configure IPv6 with ULA / NPTv6 ?  Not everyone.  For some, simply selecting "Assign GUA Prefix" for your LAN internal interface is all that is needed to provide global IPv6 connectivity for your devices.
+Listed are common situations when IPv6 with ULA / NPTv6 is useful, if any applies continue reading below:
+  * OpenVPN Server - you want to route IPv6 in the tunnel
+  * Downstream IPv6 subnets that are statically defined
+  * Transition from IPv4 to IPv6 but don't want GUA's everywhere
+  * Define static firewall rules based on ULA's
+  * Want to design an IPv6 network containing minimal ISP //owned// IPv6 prefixes
+!!Note: AstLinux 1.3.0 or later is required!!
 ===== Unique Local Addresses (ULA) =====