@Liftboy For testing and to prove out the NAT theory, why not make the Fritzbox the DMZ for your Omada router?

@maluc1979 Disable the 6Ghz tick box in SSID definition, use WPA2-PSK for authentication. Save settings, then reboot everything. Eap670 don't support 6Ghz and I have a similar issue with Eap615 wall...

@Liftboy So you want to replace the ER707 with and ER8411 because you want to have more the 2.5G available on more than 1 port? If so, yes, the 8411 will do this for you.

@lefterissim Do I understand correctly that you want 1 port to egress through your Wireguard tunnel, and the other ports, to go normally via your ISP's default route?

@mgaray07 I think you may just misunderstand 'load-balancing'. What this means is that each attempt to establish a connection is assigned one of the two paths to the internet, let's call them either...

So that was quick! Here it is!! https://www.tp-link.com/my/business-networking/omada-sdn-switch/sg2005p-pd/