@Big_Daddio That's a good outcome - at least you've done a network audit and found three D-Link devices and the reason for your issue. You can revert back to the last stable FW version if you want or...

@tharrkun HW v2 and HW v5 are with differnt hardware and FW for sure. v2 final FW release is from 2018. It's pretty much outdated hence the behavior you're observing in its case.

@chaakoob Well, that's probably because when in mesh this band is used as a wireless backhaul for the mesh.

@Nemoadest Ex230v is an ISP provided router and it might not have a bridge mode option for its WAN type connection: Probably it's best to contact your ISP and ask whether that's possible or not. In...

@chaakoob This could be due to the way AX90 bands are separated into a different wireless channels - check this post.

@Big_Daddio It's hard to say what's the reason for this behavior. Hopefully there will be a new stable FW release for AX55. This way it would be more clear whether the issue is with AX55 FW or some...