Connect wifi router into wall ethernet jack?

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rob.cohen.06

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Oct 6, 2017
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I have what I think is a very basic (and almost stupid) question.

Right now my cable modem and wifi router are in a closet. Given the limitations of my apartment, the cable modem cannot be moved. Wifi is spotty downstairs.

My apartment has several ethernet jack wall outlets.

Can I simply connect my wifi router to one of these ethernet ports on the wall? Or, better said, is this generally possible given the proper wifi router? Or, does the wifi router need to be physically connected to the modem (as it is now)?

Many thanks!

 
Solution
BFG-9000
The simple answer is no, because the router is currently parceling out DHCP addresses to all things attached to the ethernet jacks. Moving the router would cause all of the other ethernet jacks to have no internet access.

If you are OK with only one ethernet jack working, then yes you can plug the wire going to it directly into the modem. Then at the jack you would plug in the router and any ethernet devices you use.

The best solution is to add an AP to any working ethernet jack. You can repurpose a spare old router to work as an AP if you have one.
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kanewolf

kanewolf

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May 29, 2013
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Do you know where the ethernet jacks on the walls go? If they go back to the closet that has the modem, then, yes you could connect the router to the wall jack. If you don't know where the wall jacks go, then no you can't just connect to one of them.
 
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rob.cohen.06

Prominent
Oct 6, 2017
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510


Many thanks!

I assume they go back into the closet with the modem because when I plug my computer into the ethernet jack, I can access the internet.
 
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BFG-9000

BFG-9000

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Sep 17, 2016
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The simple answer is no, because the router is currently parceling out DHCP addresses to all things attached to the ethernet jacks. Moving the router would cause all of the other ethernet jacks to have no internet access.

If you are OK with only one ethernet jack working, then yes you can plug the wire going to it directly into the modem. Then at the jack you would plug in the router and any ethernet devices you use.

The best solution is to add an AP to any working ethernet jack. You can repurpose a spare old router to work as an AP if you have one.
 
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