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Re:Innernet: open source Rust based Tailscale alternative by ing33k on Tuesday March 30, 2021 @01:55AM (#26631568)
I have been using Tailscale personally on all my machines and it's really cool.. Thanks for creating an OSS version of it !

Request to HN floks : I can setup a basic home network, but I want to really learn networking ( Setting up subnets , understanding CIDR, etc ).. Where should I start ?

Re:Innernet: open source Rust based Tailscale alternative by clpwn on Tuesday March 30, 2021 @03:25AM (#26632001)
I found interactive CIDR visualization tools like https://cidr.xyz/ to be very helpful in understanding the notation.

I also end up using https://gitlab.com/ipcalc/ipcalc a lot, and am definitely planning on similarly making it easier in the terminal to manage and visualize the CIDRs in innernet networks. I'm hoping innernet can become a fun way to learn networking in a safe (and cheap) virtual environment.

Re:Innernet: open source Rust based Tailscale alternative by torwayburger on Tuesday March 30, 2021 @02:16AM (#26631662)
I took a CCNA 200-301 class on udemy to learn all that stuff.
Re:Innernet: open source Rust based Tailscale alternative by JetSpiegel on Saturday April 10, 2021 @11:24AM (#26762115)
https://www.davidc.net/sites/default/subnets/subnets.html

This is the best subnet calculator, since you can split and join subnets visually.

Re:Innernet: open source Rust based Tailscale alternative by littlestymaar on Tuesday March 30, 2021 @04:59AM (#26632452)
If you have a lot of free time, Computer Networks By Andrew S. Tanenbaum is top notch.
Re:Innernet: open source Rust based Tailscale alternative by teleforce on Tuesday March 30, 2021 @02:44AM (#26631782)
Check this excellent guide by 3COM, Understanding IP Addressing: Everything You Ever Wanted To Know

https://pages.di.unipi.it/ricci/501302.pdf