this post was submitted on 28 Aug 2023
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34
2.5g capable SFP+ switch or media converters (lemmy.world)
submitted 1 year ago by [email protected] to c/[email protected]
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Is anyone aware of any switches (or media converters) with SFP+ ports capable of negotiating 2.5Gbit speeds that don't cost an arm and a leg?

I have the Google Fiber 2 gig plan and I'd like to get rid of the fiber box since they've been extremely unreliable and our 4th one has just died. Unfortunately in order to get the full speeds I need something that can take a 2.5 gig SFP+ connection. 10 gig will not work, and 1 gig obviously only gets me half the speed.

I've found a few Unifi compatible switches, but they're between $600 and $900 which is just insane for all we need.

Media converter wise everything I've found is 2.5gig on the rj45 side and 10 gig only on the SFP.

Something has to exist out there right? It can't only be Google who are the freaks using 2.5 gig SFP modules.

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[–] [email protected] 8 points 1 year ago

Last I knew Google Fiber used PON. With PON a provider would not allow a subscriber to use their own equipment.

The above is important because PON is essentialy one bidirectional fiber from a central office serving dozens of customers in the field. If you plug in with something on the same wavelength you could interrupt all the other customers on your PON. In PON since your fiber is not dedicated all the way back to the CO, they would have no way to know what device was trying to connect to their access node. They would need to configure your devices Mac address similar to how DOCSIS cable internet works.

If they ARE using dedicated fibers back to the CO then that would more likely be Active Ethernet, a slightly different technology. They would probably still tell you no because of how the CPE (the box at your house) needs to be remotely configured by the access node for shapers etc.

Is it possible that you have a power issue at your house that is causing the failures?