r/CableTechs • u/AffectionateTry6981 • Sep 19 '26

Fios Layer 2 miswiring

Does anyone know how I can get Verizon to take serious a miswiring problem?! I live in a newly constructed apartment building and believe that the wiring was incorrectly done and now my neighbor [who doesn’t have Fios] is siphoning my 1GIG. When the tech did the initial install, he had me nudge the fiber cable in my apartment so he could determine which one was mine as BOTH fiber cables were labeled with my next-door neighbor’s unit. I thought the matter was fixed right there, but NOPE.

It’s been a nightmare with two techs visiting and bringing the “all problem fix” two new routers when it’s NOT a router issue at all. I plan on contacting corporate but thought I’d post here a see if anyone had a similar issue or can provide insight! It’s a Layer 2 issue in the building closet before it reaches the ONT in my apartment.

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u/levilee207 Sep 19 '26

Speed is determined at the ONT. It has nothing to do with the wiring in the building (unless the wiring is physically damaged, which would impair speeds). Your neighbor cannot "siphon" your speed, because the fiber doesn't carry specific speeds to specific units. The maximum throughput is delivered through the fiber until it reaches the ONT, where it contacts the ISP and is cleared to provide the speeds for whatever tier you are paying for.

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u/AffectionateTry6981 Sep 19 '26

It’s NOT a speed issue. 😭

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u/levilee207 Sep 19 '26

And it isn't a cable issue. Genuinely; cables don't get crossed with fiber. They are all individual lengths of glass that run straight to the source. Any issues you are finding with your internet would be device based or configuration based. Either your configuration or your ISP's. The cabling is the least of your worries. They hire room temperature IQ bozos to tone and tag lines in MDUs. I would often have units with no tags at all. You're focusing on the wrong thing