On 2017-07-06 14:47, James Knott wrote:
On 07/06/2017 08:22 AM, Koenraad Lelong wrote:
Op 04-07-17 om 15:55 schreef James Knott:
Did they not have IPv4 available too? Of course, you shouldn't need a dynamic DNS with IPv6, as your prefix should be static and you point the DNS to the MAC based addresses.
Can't resist to reply on that : The big two ISP's here in Belgium (Proximus and Telenet) do *NOT* provide a static prefix (at least to consumers). I asked when they would, they answered they won't do it. Now I'm back at EDPnet (a smaller ISP) which did provide a fixed prefix in the past. I don't know if that still is the case, though. I'll have to ask.
With consumer IPv6, you can get "static" addresses by using a DUID. The ISP should assign the same prefix to the DUID. This is different from the business users where the address block is specifically assigned to them and routers configured for it. On IPv4, my address is virtually static, in that it doesn't change unless I change hardware. The same applies to the DUID and prefix. If I changed my router, for example, I would get a different DUID and prefix.
My guess: they can do it, but they will not do it. ISPs will prefer to charge extra for anything that results in a static address. Simply because they can do it. -- Cheers / Saludos, Carlos E. R. (from 42.2 x86_64 "Malachite" at Telcontar)