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Introduction to a Self Managed Life: a 13 hour & 28 minute presentation by FUTO software
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=== Router === The router manages traffic between your local network (your home devices) and the internet (outside world). '''What a Router Does:''' * Allows you to have more than one device on your network. * If you attach your computer to your modem directly, you are simply connecting to the “outside” world’s network. This is referred to as '''“WAN”''' - Wide Area Network is a network that connects multiple LANs over large distances, while a LAN is a network confined to a local area. This can work, but when you do this you do not have an internal network. The computer you attached to your modem is the only computer in your home that can go online with this configuration. * Routers create a 2nd internal network for your devices so you can attach more than one thing to the internet (WAN). Wouldn’t it suck if you could only have one wired device attached to your home internet? This is why most people need a router! * '''Routes Traffic:''' Directs internet traffic from the OUTSIDE (this is called the “WAN”) to the correct device on the INSIDE, your home network (this is called the “LAN”), and vice versa. Now, multiple devices (e.g., computers, phones, smart TVs) can communicate with the internet through your modem, and with each other within your home. * '''Provides NAT (Network Address Translation):''' Translates your devices’ private IP addresses into a single public IP address provided by your ISP. <blockquote>'''Note:''' The router you get from your ISP or buy from a store, 99% of the time, is a combo device that looks like this: includes a router, switch, and wireless access point all in one box. Understanding their roles separately is key when setting up a more advanced system like '''pfSense'''. </blockquote> <span id="traditional-wired-router"></span> ==== Traditional wired router: ==== Below is a traditional wired router. This combines a router & a switch but has no wireless access point. <gallery mode="packed-hover" heights=250 widths=400 perrow=2> File:lu55028jxaty_tmp_62add313.png </gallery> <span id="cheap-walmart-wifi-router"></span> ==== Cheap Walmart Wi-Fi router: ==== This is a TP-Link wireless router: a router, switch, and wireless access point all in one. This is most likely what you have in your closet right now, covered in wires, under the set of workout pants you bought six months ago after your failed New Year’s resolution to go running every morning. It has slow speed unless you’re 2 feet from it. These often come with SIP-ALG (a component that transforms Voice-over-IP packets, which generally isn't needed any longer today) on by default, and will mess with your phone systems endlessly even if you try turning it off. Avoid the Walmart routers. <gallery mode="packed-hover" heights=250 widths=400 perrow=2> File:lu55028jxaty_tmp_2a9c98fc.png </gallery> <span id="switch"></span>
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