@peceq If you insist on cable connection you could configure RE315 in AP mode and connect to MR500 to expand its wireless coverage. This won't be a mesh, but you still will achieve roaming depending...

@CKa According to TP-Link both tagged and untagged VLANs should be carried - check this post.

@peceq That's not possible. OneMesh doesn't support an ethernet backhaul - check OneMesh FAQ - Q5/A5.

@Ganeshmaurya No. Deco mesh has nothing to do with EasyMesh and OneMesh - check the difference here. Although you could use AXE95 with its wireless radio disabled and Deco in AP mode to build a Deco...

@DamianD That's really interesting. So, if I understood correctly : The AX55 shows all ethernet ports status 1000mbps, all devices' ethernet adapters show 1000mbps, but speedtest shows only 100mbps...

@Stiltonpie The unit with the 3 ethernet ports has the wireless tranceiver implemented - usually looks like this: TL-(W)PA8631P (that's the "W" stands for - wireless).