nanog mailing list archives

Re: Android (lack of) support for DHCPv6


From: Ca By <cb.list6 () gmail com>
Date: Tue, 9 Jun 2015 22:28:19 -0700

On Tuesday, June 9, 2015, Michael Thomas <mike () mtcc com> wrote:

On 06/09/2015 08:37 PM, Karl Auer wrote:

On Tue, 2015-06-09 at 23:09 -0400, Valdis.Kletnieks () vt edu wrote:

How does the device ask for a *second* DHCPv6'ed address for tethering or
whatever?

RFC 3315 says you just chuck in multiple IA_NA (or IA_TA) options. The
server will respond with multiple addresses.

And if a device makes a second (, third, fourth, ..) request with a
different DUID, it'll get a second (,third, fourth,...) address oo, I
guess.



Wouldn't the right thing to do is have the provider support dhcp prefix
delegation, and the tether can run
dhcp for its clients? (or even slaac?)

Mike




Well, the OP seems to be interested in campus wifi ... So perhaps we should
stick to that first

On the other thread, Randy said network operators use a lot of kinky knobs,
thats just how it is. If these guys want to run without SLAAC, they can do
that and know the outcome . It is just their kink.

I dont think andoid will change, and even if they did you will need to wait
5 yeara for theupgrade  cycle to push out old clients

CB


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