UPnP/IPv6 support in home routers?

Fernando Gont fgont at si6networks.com
Mon Dec 11 15:10:39 CST 2017

Hello, Valdis,

On 12/11/2017 10:44 AM, valdis.kletnieks at vt.edu wrote:
> On Mon, 11 Dec 2017 09:23:11 -0300, Fernando Gont said:
>> Anyone can comment on the UPnP support for IPv6 in home routers?
>> Those that I have checked have UPnP support for IPv4, but not for IPv6
>> -- even when the home router does otherwise support IPv6.
> Well, there's a bit of a problem there.
> Near as I can tell, to get IPv6 support you need to use IGDv2.
> Unfortunately, if you want your Xbox or Playstation to be able
> to work, you need to be using IGDv1.

Could you elaborate on why IGDv1 is needed? (why things break with IGDv2)

> Guess what almost everybody chooses to do?
> (Been there, done that - had to rebuild miniupnpd for OpenWRT/Lede
> because it built with v2 by default)

I see your point. Now, how are apps that currently rely on punching
holes into the NAT or filtering device to work in a v6-only scenario?


Fernando Gont
SI6 Networks
e-mail: fgont at si6networks.com
PGP Fingerprint: 6666 31C6 D484 63B2 8FB1 E3C4 AE25 0D55 1D4E 7492

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