On 11/16/23 23:25, Gregory Nowak via Dng wrote:
> OK. What do accept_ra_mtu, and mtu return:
>
> # sysctl net.ipv6.conf.default.accept_ra_mtu
> net.ipv6.conf.default.accept_ra_mtu = 1
>
> # sysctl net.ipv6.conf.default.mtu
> net.ipv6.conf.default.mtu = 1280
>
> If the mtu is 1280 or higher, that's fine. Besides that,
> I'm out of ideas at this point. If I think of something else, I'll
> reply to this thread, and will cc you also. If you figure it out at
> some point, I'd be interested in knowing what the cause is. Ipv6 is
> meant to be a straight forward protocol, so I'm baffled by the
> symptoms you're describing. Hope you figure it out at some point, and
> wish I could help more.

The values match yours.

I'm still a novice with IPv6, after many years handling IPv4, and am
glad for your perspective.

If I do solve it with this hardware, I'll add a reply.

Thank you.

-Michael