IPv6 configuration

[TM]

Sorry for asking in English, but my French is not very good (feel free to reply in French though, I'll probably understand enough)

I have a K-NET fiber connection in the Ain departement. The connection works fine, and when I contacted support about the IPv6 address they gave me this information:

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Subnet IPv6: 2a03:xxxx:12:ef00::/56
IPv6 WAN: 2a03:xxxx::11:0:1a82

Don't I need to know the gateway as well? I tried fe80::1 and 2a03:xxxx::11:0:1a82 as the gateway address, but it didn't work.
Of course I can contact them again next week but before doing that I want to make sure there's actually some information missing.

If someone is using K-NET's native IPv6 successfully on their router with OpenWRT, please let me know!

[Nh3xus]

Hello,

K-Net uses the first available address in the /96 prefix of your IPv6 WAN address.

In your case, your gateway would be : 2a03:xxxx::11:0:1

Let me know if it works 

[TM]

Thanks, that was exactly what I needed! It's working fine now

In case someone else is using OpenWRT, this is what I have in /etc/config//network now:

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config interface 'wan6'
        option _orig_ifname '@wan'
        option _orig_bridge 'false'
        option proto 'static'
        option ifname 'eth0'
        option ip6prefix '2a03:xxxx:12:ef00::/56'
        option ip6gw '2a03:xxxx::11:0:1'
        option ip6addr '2a03:xxxx::11:0:1a82/96'

Not sure if the _orig_* settings are needed; they were there before; I configured it via the LuCI web interface:
Interface: wan6
Protocol: Static address
Physical settings / Interface: eth0 (the one containing wan and wan6)
IPv6 address: 2a03:xxxx::11:0:1a82/96
IPv6 gateway: 2a03:xxxx::11:0:1
IPv6 routed prefix: 2a03:xxxx:12:ef00::/56