All four Ethernet ports are 2.5Gbps and auto-sensing
Each BE63 unit has four 2.5Gbps WAN/LAN ports. The system determines the role from the connection, but the main unit still needs one port for the modem or ONT in a normal router-mode installation.
A multi-gig plan needs a complete multi-gig path
Faster-than-gigabit internet requires a compatible modem or ONT port, suitable cable, BE63 port, and a client with 2.5GbE or sufficiently capable Wi-Fi. One gigabit component caps that branch of the network.
Reserve ports before choosing a switch
List the WAN connection, Ethernet backhaul, desktop, NAS, TV, and other fixed devices. A gigabit switch is fine for ordinary devices, while a 2.5GbE switch is needed when several wired clients must exceed gigabit speeds.
Backhaul competes for the same port inventory
A wired satellite uses one Ethernet port at each end of its path. Count that connection before assuming all advertised ports remain available for clients.
Do not read Wi-Fi headline speed as one-device throughput
BE10000 combines theoretical link rates across bands. Real client speed depends on client radio support, channel width, distance, interference, backhaul, and the wired path serving the mesh.