I don't know whether this is the error, but AFAIK all your systems need to process Jumbo frames if one device does to get full benefits of using Jumbo frames. IMHO, LAG makes only sense if you have...

cormoran wrote I have tried again to restore both devices to factory, to use the fast configuration and in region to use the option "Test_mode" and now it works without problems. Note that test mode...

cormoran wrote The CPE510 # 1 (AP) and CPE510 # 2 (Client), what do you think is failing, # 1? Can't say that, but I can tell you what I would do: Unmount the CPEs and test it in the lab. First set...

Hm, in this config ports 2-4 are still in the default VLAN (Member Ports, Untagged). Remove them from VLAN 1. Only port 5 should be member of all VLANs as a Tagged Port, all other ports should be...

RTouris wrote Any ideas as to what might be slowing it's unveil to the EU market yet? Same story - available through selected warehouses, but not widely available in the EU for unknown reasons to me....

No idea what you mean. Easy Smart Switches don't show such error messages, they even don't use or need DNS at all.