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Can I connect a modem/router combo to a modem, then connect that second modem to a PC? (lemmy.world)

submitted 1 year ago by ComicalMayhem@lemmy.world to c/networking@sh.itjust.works

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Weird question, I know. My apartment comes with a modern/router combo that, for whatever reason, does not have an Ethernet port. So a friend advised me to purchase a modem, then connect it via coax cable to my apartment's modem/router, then connect that to my PC via cat5. I did so, but the Ethernet connection on my PC shows no Internet. Is this possible to set up? Is there a software related step I'm missing to complete the connections?

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[–] Tar_alcaran@sh.itjust.works 2 points 1 year ago

Back in the bad-old-days of having a shitty provider in student housing, I had a similar situation, and solved by making a box-of-faraday with a carboard box and tinfoil. Popped their crap modem inside, put my slightly-less-crap modem next to it, and ran my functional CAT5 (yeah, it was a while ago) out of the box. The tinfoil creates a nice interference-free zone, where nothing but your own two devices exist.

Of course, this was also before my phone had wifi, so it has it's downsides, unless you want to add a third accesspoint outside the box.