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DHCP Servers???

Austroknot
By Austroknot
in Networking
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Posted

Ok so,

 

I'm taking a computer IT course and were going over IP configuration. They're talking about how most tech devices uses a DHCP server to automatically assign a IP address, subnet mask, and default gateway while also double checking that there are no duplicate addresses in the network. And, from my understanding, without it you'd have to manually assign that information. But like..... If I go to BestBuy and buy some HP laptop, take it home and turn it on. I can just search for my WiFi network and boom, I'm connected to the internet - no need to manually assign an IP address or configure a subnet mask. My question is - where was the DHCP server in that process? I don't own a server in my house. I just don't get it. Maybe I have this super backwards cause I'm just trying to understand it on paper. Doesn't my device need to connect to a DHCP server before it can be automatically assigned with the necessary information to connect to the rest of my devices in my LAN, and I can't connect to the internet without an IP address so it needs to connect to the DHCP server before going online..? 

 

TL:DR Where is this DHCP server that's needed to connect to the internet when I set up a new device like a laptop or phone in my house.

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Posted
5 minutes ago, Austroknot said:

where was the DHCP server in that process?

Your router was the DHCP server. Most routers nowadays come with DHCP Server capabilities built in.

On 4/5/2024 at 10:13 PM, LAwLz said:

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1 hour ago, RockSolid1106 said:

Most ALL routers nowadays come with DHCP Server capabilities built in.

Fixed. Its pretty important that the thing in charge of routing traffic know what address each device is using.

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Just now, Master Disaster said:

Fixed. Its pretty important that the thing in charge of routing traffic know what address each device is using.

All consumer home routers yes, but "all routers" wouldn't be correct. Your rackmount cisco enterprise beast won't have DHCP preconfigured.

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5 minutes ago, Kilrah said:

All consumer home routers yes, but "all routers" wouldn't be correct. Your rackmount cisco enterprise beast won't have DHCP preconfigured.

It will still have it as a feature though, even if its off by default.

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