Re: [v6ops] Implementation Status of PREF64

[Lorenzo Colitti <[e-mail]>]

Since a couple of folks asked, I put the script up on github:

https://github.com/lcolitti/radvd-pref64

It's pretty basic, only taking the interface name on the command line and
hardcoding the NAT64 prefix 64:ff9b::/96, a lifetime of 1800 and an
interval of 240s. I included the openwrt hotplug script I use as well. It
works well on openwrt 18.06 but haven't tested anything more recent. I
think the code should work on python 3 as well, but that's mostly untested.

Pull requests accepted, though if someone has time to work on this, they
might be better off contributing support to radvd or odhcpd.

On Sat, Sep 25, 2021 at 9:53 AM Lorenzo Colitti <[e-mail]> wrote:

> Yes, it should be supported by (most) devices running Android R or above.
> If you try it and it doesn't work, or you find a bug, let me know and we'll
> look into it.
>
> I don't know of any router implementations at the moment. +Jen Linkova
> <[e-mail]> might. On my home network I use a simple python
> script that sends an RA from a non-existent link-local address containing
> only the option and no other info. Because RA supports multiple sources of
> information this just works; even if the primary router stops sending RAs.
> I can share that script if you like.
>
> On Sat, Sep 25, 2021 at 7:26 AM Erik Kline <[e-mail]> wrote:
>
>> My understanding is that Android supports
>> <https://cs.android.com/android/_/android/platform/packages/modules/NetworkStack/+/70d7ffa59f1f4ac242d8409143108466025102c7>
>> handling PREF64 RA options.
>>
>> On Fri, Sep 24, 2021 at 10:21 AM David Farmer <farmer=
>> [e-mail]> wrote:
>>
>>> Are there and host or router implementations of PREF64 (RFC8781) out in
>>> the wild yet?
>>>
>>> Thanks
>>>
>>>
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>>