Repeater vs Router / Wireless vs Wired

[popcorn]

DIR 615 has 1 WAN port / a WISP repeater & 4 LAN ports.
Can be used as a switch as confirmed by Sushubh so WAN becomes waste.

 

[pothi]

Correct. But, if we have a router that supports dd-wrt, then it would not become waste when used as a switch.

As per the following article... How to Reuse Your Old Wi-Fi Router as a Network Switch

When you convert a Wi-Fi router to a switch, in most situations, you’ll lose two port as the “Internet” port cannot be used as a normal switch port and one of the switch ports becomes the input port for the Ethernet cable linking the switch to the main network. This means, referencing the diagram above, you’d lose the WAN port and LAN port 1, but retain LAN ports 2, 3, and 4 for use. If you only need to switch for 2-3 devices, this may be satisfactory.
However, for those of you that would prefer a more traditional switch setup where there is a dedicated WAN port and the rest of the ports are accessible, you’ll need to flash a third-party router firmware like the powerful DD-WRT onto your device. Doing so opens up the router to a greater degree of modification and allows you to assign the previously reserved WAN port to the switch, thus opening up LAN ports 1-4.

Since I never owned a traditional router, I didn't know this and was confused by the term "LAN input".

 

[dryash]

Ok hope this helps- this is the picture of the Router (both of them)- SO from what I understand is the primary router will have a cable coming out from one of the 4 yellow coloured LAN ports and then going into the others WAN (blue) port - but can also go into the others LAN port

 

[VivekA]

No. On both primary and secondary router, the yellow LAN port has to be used.

 

[dryash]

Thats what the tutorial said too. LAN to LAN

 

[pothi]

Ok hope this helps- this is the picture of the Router (both of them)- SO from what I understand is the primary router will have a cable coming out from one of the 4 yellow coloured LAN ports and then going into the others WAN (blue) port - but can also go into the others LAN port

You are indeed a fast learner.

 

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[dryash]