Can someone explain me the difference between those three devices?
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So all of these function very similarly for the most part except the Hub.
A hub is like a switch but doesn’t manage the data via identificatin, it basically splits the connection between everything on the hub so they can be hit or miss.
Unmanaged switches have no interface for configuration but have a built in identification table that you can’t really modify but it communicates data to each port as necessary.
A Switch (Usually referred to as a Managed Switch) identifies each port and communicates the traffic to them as needed, it will typically include an interface for configuration of the ports and network.
A Router – I think the comment under this one gives a bit more of a break down but it basically handles outside traffic to inside traffic. It normally hands out IPs in a home network.
Hubs (Dumb switches) are getting harder and harder to find because that split traffic causes the connection speed to also be split. Networks are, in a way, limited to the slowest connection speed. The price of cheap Switches is basically the same as a Hub anyways so there’s not really any demand for a hub anymore.
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