Network Hardware

Where does internet come from?

Where does internet come from?

Internet service providers will set you up with a IP address and route all the data you request

Where does internet come from?

Internet service providers will set you up with a IP address and route all the data you request

So you want to access websites and streaming video eh?

So you want to access websites and streaming video eh?

Then we have to set up a Local area network in your home

So you want to access websites and streaming video eh?

Then we have to set up a Local area network in your home

Lets look at the hardware

First things first: A modem

First things first: A modem

Short for Modulator demodulator

Turns electric signals into signals with digital information and back

Modem for every kind of Internet service

Fiber, dsl, cable etc.

First things first: A modem

Cable companies will charge you for this device monthly

Buy your own!

Acoustic coupler

What comes next?

routers

Consumer routers are capable of performing many tasks

Switching Access point Print server Traffic shaping

routers

Routers are computers The are not all

made equal Really cheap ones

can't handle many many intensive tasks at once

This router won't get you online

Do not plug into lan

Local Area Network

Switches and hubs

Devices to add more wired connection to a network

Switches and hubs

Hub Mostly outdated Repeats all data to

every port on the device

Packet collisions galore

Switches and hubs

Switch Learn what devices

are connected to them

Forward data based on the address

NIGHTMARE