If you have a gigabit connection attached to LAN and it shows up as gigabit: that sounds like everything is working as expected?
That's correct. But I was replying to someone who said they had issues with the speed being 100mbit or something on the RC releases.
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That was me, i was complaining about seeing my wan uplink establish at 100Mb/s and not 2.5Gb/s, but after changing Ethernet cable that issue went away, so i deleted my message 
I’m now seeing the wan interface go down regularly, which is very annoying, but i don’t have any reason to think it’s because of the E52C itself, i will try yet another cable to connect it to the GPON to see if that fixes it.
That sounds like an annoying issue. My wan seems stable.
Do you see anything in the logs?
Disabling EEE (Energy Efficient Ethernet) with ethtool --set-eee wan eee off seems to have solved the issue.
Need to see how to make this stick.
I have this in the logs:
Thu Mar 5 10:22:49 2026 kern.warn kernel: [ 777.222914] Ethtool ioctl interface doesn't support passing EEE linkmodes beyond bit 32
Thu Mar 5 10:42:47 2026 kern.warn kernel: [ 1975.065203] Ethtool ioctl interface doesn't support passing EEE linkmodes beyond bit 32
Thu Mar 5 10:42:57 2026 kern.warn kernel: [ 1984.390133] Ethtool ioctl interface doesn't support passing EEE linkmodes beyond bit 32
but i saw that only now and i’m not too sure how to interpret the logs as i don’t have the timestamp for installing ethtool and the turning EEE off (IIRC ethtool --set-eee wan eee off was run at 10:42 but not sure).
That seems strange. Who is your isp?
Community Fibre. It's likely more due to the ONT that the ISP though.