this post was submitted on 01 Jul 2025
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Get your own gateway. Don't rent theirs.
Can you use your own modem? I thought you had to use theirs?
No you can use your own modem with xfinity.
In Europe that used to be the case, but that changed not that long ago. Now providers are legally obligated to allow you to get your own modem
Yes, look on their website for compatible models, there’s a handful of affordable ones, many which perform better on higher tier connections too. Been using my own modems with Comcast for 25 years.
Well sheeit. What about Spectrum?
I’m on Spectrum and have tons of friends that always complain they’re shit. Spectrum itself isn’t shit, it’s the garbage equipment they set you up with.
Make sure whatever you get works well with IPv6. For whatever reason IPv4 can go out at random but their IPv6 has never failed me (in the Los Angeles area at least).
I have always had my own router, just not the modem.
And the only problem I have is intermittent outages, repeatedly increasing the price without my knowledge or consent, and high latency.
I bought my current one because IPv6 failed to provision on the one they gave me when I moved to a bigger apartment just two units away. I found some post on Reddit about the problem and it mentioned one that “ignores” the lack of IPv6 provisioning and does it anyway (I’m a programmer and IT geek but I don’t really understand cable/DOCSIS well).
If the modem they provided is just a modem and it works well, I don’t think there’s much reason to get rid of it. But personally if it’s an all-in-one box that has “bridge” mode I’d still run away and just go with my own modem.
Yes. Same thing, probably different models.
Probably even the same models as long as they're using cable internet and not DSL.
You need to use their modem quite often, but you don’t need to use their router. They’re usually “all in one” modem/router things these days, but they’re legally required to provide you with a modem in bridge mode if you ask — at that point, an Ethernet cable attached to their modem is effectively attached to the Internet, and you can put your own hardware inside (firewall, Wifi router, etc.).
While you need to connect to their IP gateway, you don’t need to use their DNS services or anything but their IP gateway service.
I have always had my own router. What is bridge mode? Can I do that?
Bridge mode disables the router in the modem; if you have an admin account on the modem you should be able to enable it yourself; otherwise you need to get your ISP to enable it. It will turn off all the firewall and WiFi features on the modem.
I'll check that out, thanks