@Clive_A I apologize, my problem is that I did not notice how the switch after rebooting occupies 192.168.6.14 although the address is in reserved list 192.168.6.13 and I dont know why it is...

I think Firewall- Anti ARP spoofing setting with Permit the packets matching ip-mac binding entries only is similar to MAC Filter but a little better?

YES. Correct IP must be assigned because all IP and MAC Static. but I get Undefined network - no access to router.

@Joseph-TP Hi, thanks for reply I'm worried that your professionals since 2021 (release date of C64) couldn't make a stable firmware with port-forwarding\opening problems while in mesh, freezes with...

@Clive_A Hi, all devices have Ip reservation and static ip\mac

Hi, I've tried to set up MAC Filtering with Allow list and deny rest. First try i've added only some of my devices connected directly with LAN cable to ER605. and I've lost any connectivity with...