IPv6 ingress filtering

Gert Doering gert at space.net
Wed May 15 08:59:40 CEST 2019


On Tue, May 14, 2019 at 11:08:21PM +0200, JORDI PALET MARTINEZ wrote:
> 6in4 needs manual configuration (or a TB).
> 6to4 is 6in4 with automatic configuration.

You might not have noticed, but I have done a bit of IPv6 over time,
so yes, I understand.  And thus: 6to4 needs to die.  In flames.

> Living in a perfect world is ideal (I will love to have just one ISP with IPv6 in every country). But is not real.

This is not solved by poor-quality tunnels.  All these tunnels do is
"make IPv6 look bad", so people get to learn "IPv6 has more latency, more
packet loss, and I can not even call customer support if it does not
work, so better avoid it".

This was already accepted truth 10+ years ago.

Gert Doering
        -- NetMaster
have you enabled IPv6 on something today...?

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