this post was submitted on 12 Nov 2023
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Homelab

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Hi all, just getting into home labbing the past few months. I have a small cluster of Proxmox machines running many of the usual services.

Currently running a 350x10 Spectrum cable internet connection. This is working just fine and has been shockingly stable for five years. It also keeps a very sticky public IPv4 address that has been perfect for self hosting and a cloudflare tunnel. It’s a modem only that goes into an OPNsense VM.

Upload is obviously a bottleneck that has become frustrating. AT&T Fiber came through the neighborhood a few months ago and are offering a 300x300 FTTH with no installation, fees, caps, contracts etc for less than the Spectrum connection. I’d love to jump on it but have read in a few places that they sometimes use CGNAT, the gateways don’t behave well in passthrough mode, mess with traffic, block ports, etc.

I guess the question is then, what are people’s experience with ATT fiber and homelabbing? Is there anyone who won’t lie about it that I could call before install? In SC if it matters. Thanks!

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[–] milanmdevreal@alien.top 1 points 1 year ago

I switched to ATT Fiber around a year ago (from Spectrum) and I've had no issues thus far. Their provided gateway doesn't properly bridge though, creating a double NAT situation. I worked around this by getting my own ONT and then writing the data from the old gateway to it (S/N, ONT ID, etc.). As for CGNAT, my network has a public facing IP, not a CGNAT'd one.

If you're curious about using your own ONT, here's the guide I used (I believe you'll need a BGW320 originally to use this): https://docs.google.com/document/d/13gucfDOf8X9ptkj5BOg12V0xcqqDZDnvROJpW5CIpJ4/view