Hello, I get the same issue. It can be solved by restarting the router (remove the power cord and plug it back in) but after a few hours it does it again.

@Hendrics Hello, I can confirm that ER605V2 with FW 2.1.1 works with Omada SDN 5.8.4. Also mDNS finally works. I first upgraded the router FW and it kept disconnecting, then I updated Omada and the...

Hey, Do you guys know if this Beta FW works with Omada SDN 5.7.4? Did anyone install the firmware still running on this version of Omada? Thanks.

@Hank21 Thanks for the solution Hank. When should we expect this to be fixed so we can upgrade the firmware to 2.1.0? Any information on when Omada SDN 5.8.4 for Linux will be available? Thanks

@Phuripat I also had the same looping issue after upgrading my ER605 V2 from 2.0.2beta to 2.1.0. I managed to downgrade the firmware after adopting it to a temporary Omada Controller v5.8.4 on...

Adding a DNS AdBlock feature like AdGuard or PiHole would be so awesome.