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DHCP setup

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by frec1

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I would like to setup a DHCP server. I installed the DHCP manager. My question is how do I know what numbers are okay to use. I will be class C but can I just generate a scope of numbers on my network or do I need to get with some agency.
Can I just go 198.74.xx.xx and add a number scope I would like?

Thanks,
FREC

5 replies

by bart777

As long as your PC's are not all connected directly to the internet you can use any IP strategy you like. The only machine that would need an internet IP would be the proxy server that you use.
If you aresetting up the network with all of the PC'sdirect connected to the internet you will need to attain an IP address for each one of them. (at no small expense)
Just make sure that you have planned out the network completely, allowing for growth. Good luck.

by stillatit

Do NOT just generate a range! If you connect to the internet at some point, you will have all kinds of problems.

You can legitimately use any class C range which begins with 192.168 without notifying anyone or getting permission from anyone. This group of network numbers are specifically reserved for local use, for networks which do not connect to the internet.

Example: 192.168.1.0 mask 255.255.255.0
valid addresses for hosts are 192.168.1.1 to 192.168.1.254.

These class C ranges are typically used behind a router which is doing Network Address Translation. When you do connect your network to the internet, your router uses this feature to map your local addresses into a single valid internet address which your ISP will assignto you.

Good luck.

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