IPv6 in SOHO with a dynamic prefix - the ultimate Tutorial

PMc

PMc

I link this here so you can find it. I didn't find a good description on how to put it all together, or the possible pitfalls, so I did it myself and wrote it all down:

Using IPv6 Dynamic GU Addresses in Nested Subnets
Abstract

NAT shall not be used with IPv6, but providers continue to supply customers with globally routed (GU) addresses that change dynamically. While this may work for a single endpoint or even a single flat LAN, as soon as our site is structured into different subnets, connected by various routers, changing all the addresses dynamically becomes somehow difficult.

We draw a possible solution that manages to adjust all the dynamic GU IPv6 addresses throughout a site network with hierarchical subnetting within less than 25 seconds, utilizing the router advertisement daemon and the Roy-Marples-implementation of the DHCP client.

All configurations are based on contemporary FreeBSD.


Contents

1. PPP
2. Prefix Delegation
3. DHCPv6
4. Delegating Further On
5. The Hook Script
6. The Subordinate Router
7. The Clients
8. Reboot
Appendix A: Helpful Commands
Appendix B: ipfw Tables
Appendix C: Timeline
Click to expand...
 
Last edited:
Link works fine when clicked in the Opening Post. In Post #2, that same URL is somehow mangled. Visible text is correct, but the underlying link is some nonsense: http://using%20ipv6%20dynamic%20gu%20addresses%20in%20nested%20subnets/
 
astyle said:
Link works fine when clicked in the Opening Post. In Post #2, that same URL is somehow mangled. Visible text is correct, but the underlying link is some nonsense: http://using%20ipv6%20dynamic%20gu%20addresses%20in%20nested%20subnets/
Click to expand...
Yes. That's how my first post looked initially - I accidentially swapped the two entry fields. That is fixed now, thanks to mumu 's hint.
 
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