Subj : Basic Steps / Checks to look at IPv6
To   : Paul Hayton
From : Michiel van der Vlist
Date : Sat May 02 2015 13:53:16

Hello Paul,

On Saturday May 02 2015 22:55, you wrote to me:

 PH> I figured that (hopefully) with a stable fibre connection I may get
 PH> for all intensive purposes a static IP. At present my IP is only
 PH> reassigned if I drop my DSL connection. The I get a new IP address
 PH> from a pool they maintain.

I also have a dynamic address from Ziggo. But it hasn't changed in years. It only changes when I change the MAC address of the router. And even then I ge back the old address when I change the MAC to the old value again. I suspect there is a time limit to that, bu I have never checked. For all intents and purposes, I have a static IPv4 address.

 Mv>> Now that they can't save addresses any more by making them
 Mv>> dynamic, the ISPs have come up with another trick to deal with
 Mv>> the shortage of IPv4 addresses. Sharing addresses among
 Mv>> customers, by putting them behind a NAT. If they do THAT, yes you
 Mv>> can expect problems.

 PH> Hum... honestly not sure. Time will tell.

It is a problem that everyone changing ISPs should be aware of these days. Especially those in Australasia (APNIC, depleted 19 Apr 2011) and Europe (RIPE, depleted 14 Sep 2012).

 PH>  It's Saturday night as I type this so it will be a day or so before I
 PH> know much more.

If they offer native IPv6 ask them about the size of your assignment. /48, /56 or less?


Cheers, Michiel

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