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Getting Fiber - Please Help Me Understand Routers (lemmy.world)

submitted 4 months ago by njordomir@lemmy.world to c/selfhosted@lemmy.world

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Hi Folks,

I host a nextcloud instance, a NAS, and a few content portals for things like ebooks and music (internal only). I'll be migrating Smartthings to Home Assistant eventually. We're going to be upgrading to fiber soon and I have the opportunity to rebuild my wife's network with a long term outlook (we'll likely be here for years). Currently we have an older eero mesh system over cable internet. My desk is right where the cable currently comes in so all my Ethernet devices can live near the router.

My question is this:

What am I missing out on as a self-hoster by using whatever equipment metronet gives me?

What am I missing out on as a regular internet user by using the default equipment.

Am I likely to be annoyed about where the fiber comes into the house?

If it makes sense to buy my own router or access point(s), what is a reasonable balance between "daddy Bezos please read all my emails" and "you'll never be secure until you build a router from custom circuit boards you custom ordered and hand assembled in a secure area".

I'd like to avoid complex configuration, but if I can surface advanced options when needed, that would be great.

My Linux knowledge is intermediate. My networking knowledge is begintermediate.

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[–] theit8514@lemmy.world 2 points 4 months ago

Typically a Fiber ISP will run Fiber optics only to your DEMARC (or Demarcation) point. This will be usually where your main cable (before any splits) or DSL line used to come in (in the US they've been using Orange tubes to indicate this and it will usually run to a panel in some closet or laundry). At the DEMARC they'll install one of two things: a basic fiber to ethernet converter which will provide you a single ethernet port and a pure tap to the internet, or a Gateway device that will convert the fiber to multiple eithernet with NAT (usually providing other capabilites like TV, Phone, etc).

If you have the latter, you may not get much say in what you can do with your connection, and would be limited to a DMZ mode that is configured on the Gateway. What you put behind the converter or gateway is up to you.