Hi @David-TP This issue has still not been resolved. And I'm not getting back any responses from the email thread that was started. It seems like there is something up with the 2.5 gbps LAN port - it...

@David-TP Hi David! Regarding which X60 loses the ethernet backhaul - it seems to be dependent on startup order after a reboot. I have swapped the units around and that did not make any difference....

Downgraded to V1_2.1.0 Build 20230224 and still no joy.

@Alexandre. For some reason the x80-5g is not able to establish internet connectivity to the fiber via the 2.5 Gbps port. Not sure what the issue with that could be (I did try with different cables...

I swapped the cable with no change, as soon as the x80-5g switch back to the fiber internet connection the backhaul stops working as I expect it would.

@Alexandre. Thanks for the reply! I'll try changing the cable, but what I find strange is that with the same cable backhaul is working when the x80-5g switches to 4G/5G. I seems more like a software/...