On 2012-06-21, Mark Felder <f...@feld.me> wrote: > On Thu, 21 Jun 2012 16:34:51 -0500, Ryan Kirk <rjk...@gmail.com> wrote: > >> In my limited experience with ipv6, this has been the case. The >> provider has you on a /64 of their own (not part of your /48), so your >> WAN interface would have one of their IP's on it, and they should tell >> you exactly what it should be. Just as it's done in IPv4. Your own >> personal /48 is then routed through that IP. You can assign more IP's >> from your /48 to your WAN interface, of course, by dedicating a /64 to >> it. But you will always need to have at least the one ISP IP on it. > > The provider shouldn't be using a /64 for the link net. That means your > router is getting the broadcasts from everyone else on that link net.
They can lay out their network how they like, but it is certainly not uncommon to use /64 link nets with just the two hosts on. > The > provider should be setting aside something like a /64 for link nets and > actually be giving you /126s. Opinions differ. Suggestions include at least /127 (as recommended by RFC 6164), /126, /112 (for ease of reverse dns delegation), /64...
