Well, let's think about that for a minute. If you have relatively new
network infrastructure from name brand vendors your network most likely will
handle it. As Raul suggested it's possible, easy and cheap, I'm not sure
of.
First all the DNS had better be in really great shape and no one (anywhere)
is using hard addresses. I been told that 100s of times and always find it
to be a dream in the eye of the network guy, there is always a hard address
somewhere. Then there are all the host tables that need to be reviewed.
Then the biggest one, end support for the laptops etc. when the change is
made. You'll be amazed at how many laptops have hard coded information on
them.
Easy, that's a questionable claim. Cheap, that's really not true when you
include manpower and troubleshooting in the equation.
Moreover, 90% of the internal networks at companies are small enough that
IPV4 is sufficient for their needs. IPV6 just adds a layer of potential
help desk misery. I'm not suggesting anyone avoid using IPV6, just that you
need to make that decision with a full understanding of the ramifications of
the change.
--
Jim Oberholtzer
Agile Technology Architects
-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Raul
A Jager W
Sent: Thursday, August 18, 2016 3:41 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: Disable IPv6 ?
Support for IPv4 will last a long time, but it may imply an extra cost, plus
limitations to the access to new services. The new mobile phone standard 5G
will use only IPv6. As will the "internet of things".
Upgrading now is easy and cheap, mostly it only requires learning. You can
use "dual stack", everything new in IPv6 only, and upgrade old systems at
your own pace. It may be a good idea to learn before you get replaced by
somebody who knows.
There are people creating still new applications for "green screen", sure,
others will stick to PIv4 until some service requires to upgrade.
Those are not the examples to follow.
In Paraguay there is a law that requires the ISP to provide the name of the
user of an IP in case of a fraud, it sounds like a good idea, but because
NAT the address is shared by lots of users, so it is not applicable.
On 08/18/2016 11:11 AM, Rob Berendt wrote:
I did a little searching and I'm not finding anything saying anything
like "device xyz will no longer support IPv4 after such-and-such a date".
Again, I'm all for keeping current but is there really a reason to
upgrade an internal network to IPv6? Something strong enough to
convince even our network consultant (who still carries a flip phone)
that it needs to be done?
Rob Berendt
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