In this video we will go over basic network devices. We will see how they works, difference between them and how & where we used them in our network.
Hub, Switch & Router Explained - What's the difference? Network devices explained
This is an animated video that explains the difference between a hub, switch, and a router. It explains how a router works, how a switch works and how a hub works.
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Hubs:
Hubs are older then switches. A Hubs job is to forward traffic from the source device to the destination device but hub is a layer 1 device which means that is does not understand MAC or IP addresses.
This is a problem Because the hub does not know where the destination device is located, it will send traffic out of all ports (except the engross port) causing collisions and queues which results in packet loss and delays.
Due to the horrific down falls, hubs have been replaced with switches almost everywhere.
Switches:
Switch are heart of any network, He send traffic around the network.
All Devices will connect to the switch and it is the switches job to send the traffic to the correct place.
Now unlike a hub, a switch can learn the mac addresses of each port using a Mac Address Table and can also send and receive at the same tine which means no more collisions or delays.
Routers :
We have all heard of them and most likely everyone you know will have one in their home.
A router connects your LAN to other networks such as the internet. If your house was a LAN network, your door would be the router. It is the way ‘outside’ of your network
Below topics are also discussed in this video.
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