Uses for the two Ethernet ports on a Deco X90?

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Uses for the two Ethernet ports on a Deco X90?
Uses for the two Ethernet ports on a Deco X90?
2022-01-03 19:11:07
Model: Deco X90  
Hardware Version: V1
Firmware Version: 1.1.2 Build 20210722 Rel. 65801

I have a pair of Deco X90 units, running in "router" operational mode.
On each unit, there are two Ethernet ports: 1 Gbps and 2.5 Gbps

 

The primary unit is placed where the fiber optics media converter is located, and its 2.5 Gbps Ethernet port is connected to the WAN.

 

The secondary unit is placed in my office and is connected (using the 2.5 Gbps port) to a switching hub, creating a wired network in that room.

 

Questions regarding the primary Deco node:
- Is it in any way configurable which Ethernet port should be connected to the WAN (the dangerous "outside")?
- Does the unit somehow detect which port is connected to a WAN, and not a LAN?
- What would happen if I moved the WAN cable from the 2.5 Gbps port to the 1 Gbps one?
- Can the other port be used for something?

 

Questions regarding the secondary Deco node:
- Can both port be used to connect wired units to the LAN?

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Re:Uses for the two Ethernet ports on a Deco X90?
2022-01-05 07:09:42

@MorganC 

Hi, Nice to see you again.

The same issue could be found here:https://community.tp-link.com/en/home/forum/topic/518304

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