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Best resources to learn more about networking (self.selfhosted)

submitted 7 months ago* (last edited 7 months ago) by Tinnitus to c/selfhosted

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I have been exploring the world of home servers/self-hosting for a little over a year now, and feel like I have at a decent understanding of a lot of things that go into this. The one thing I am not remotely comfortable with yet is networking. It's like a foreign language to me.

What are some good resources or projects that I could work on to help me develop a better understanding of this? Or, what helped you advance your networking knowledge? I have an UnRaid machine and a Raspberry Pi 4 (8gb) at my disposal (for any project recommendations). Current router is ISP provided, so nothing fancy.

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[–] TCB13 7 points 7 months ago* (last edited 7 months ago) (1 children)

Start by replacing your ISP-provided router with something that runs OpenWrt and explore around.

[–] Tinnitus 1 points 7 months ago (1 children)

This is something I have on my to-do list. I just need to figure out which router to go with.

[–] TCB13 2 points 7 months ago* (last edited 7 months ago)

Well, how much wifi and open-source do you really want?

If you are willing to go with commercial hardware + OpenWRT you might want to check the table of hardware at https://openwrt.org/toh/views/toh_available_16128_ax-wifi and https://openwrt.org/toh/views/toh_available_864_ac-wifi. Solid picks for the future might be the Netgear WAX2* line (no USB), the GL.iNet GL-MT6000, ASUS RT-AX59U, Belkin RT1800, Belkin RT3200, Linksys E7350, Linksys E8450. If you don’t mind having older wifi a Netgear R7800 is solid.

For a full open-source hardware and software experience you need a more exotic brand like this https://www.banana-pi.org/en/bananapi-router/. The BananaPi BPi R3 and here is a very good option with a 4 core CPU, 2GB of RAM Wifi6 and two 2.5G SFP ports besides the 4 ethernet ports. There’s also an upcoming board the BPI-R4 with optional Wifi 7 and 10G SPF.

Side note: while there are things like OPNsense and pfSense that may make sense in some cases you most likely don't require that. You've a small network and OpenWRT will provide you with a much cleaner open-source experience and also allow for all the customization you would like. Another great advantage of OpenWRT is that with a great router like the BananaPi BPi R3 you've the ability to install 3rd party stuff in your router, you may even use qemu to virtualize stuff like your Pi-Hole on it or simply run docker containers.