Webmin DHCP Server

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Vito Reiter

Commendable
Nov 9, 2016
7
0
1,510
Alright, so a bit of a complicated situation. I have a computer shop that I want to set static IP's to the office systems and allow a secondary subnet to assign the clients systems that come in so I can avoid IP conflict between my servers and the clients computers. I have CentOS installed on a server that is running a webmin DHCP server within it. So basically, with my single router I would like two separate networks. Everytime I setup separate IP pools the DHCP server crashes and all systems lose connection. I also can not find any documentation on my situation so if anyone could link something or help me out with background knowledge I would be extremely grateful.

Thanks,
Vito Reiter
IT Engineer
Computer Corrections
 
Solution
A
Webmin is NOT a DHCP server - it is web interface to your CentOS settings (and DHCP management is just one of the plugins).

You can't have two DHCP servers on the same network, period. So, for the sake of your own good - set two distinct networks, with your CentOS connected to both. One network is "public" - your router, CentOs, and your own PCs, the other network (just a switch) is your "client". You then configure the CentOS to be DHCP server for the client network, and NAT for it (in case these compuiters need Internet access). But - you better hire someone to do that for you, there are a lot of settings you have to do which are not accessible thru Webmin.
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Alabalcho

Titan
Jan 13, 2011
14,019
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Webmin is NOT a DHCP server - it is web interface to your CentOS settings (and DHCP management is just one of the plugins).

You can't have two DHCP servers on the same network, period. So, for the sake of your own good - set two distinct networks, with your CentOS connected to both. One network is "public" - your router, CentOs, and your own PCs, the other network (just a switch) is your "client". You then configure the CentOS to be DHCP server for the client network, and NAT for it (in case these compuiters need Internet access). But - you better hire someone to do that for you, there are a lot of settings you have to do which are not accessible thru Webmin.
 
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Solution
V

Vito Reiter

Commendable
Nov 9, 2016
7
0
1,510
I have since become an expert on this topic. pfSense was the way to go, setup VLANs on managed switches and everything is well now. Anyway, if this ever comes in handy to anyone I'll be happy someone learned from my mistakes.

Thanks though,
Vito Reiter
 
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