Howto: DHCP Server and Gateway

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Howto: DHCP Server and Gateway

Posted by Understudy on Tuesday March 18, @10:06PM
from the can I get an IP please dept.
I am running a home network. Most likely in violation of the terms of service I have with my ISP /joke. Yeah I know living on the edge. I think I will move up to running with scissors for my next step in bravado.
This little article will teach a little bit about the DHCP server and how to set it up on a FreeBSD machine. And damn if this isn't going to be loads of fun. You can get to it here.

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The Fine Print: The following comments are owned by whoever posted them.
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Addendum to the article
by Understudy on Friday August 22, @03:54AM

I recently had a reader point out an error that that I made in the article. When using ipnat.rules you need to have a line in the kernel that says:
options IPFILTER #kernel ipfilter support
So I have added to the article a section on kerenl recompiling, including the steps needed to add the line and customize the kernel. My aplogies to anyone who encountered the error /dev/ipnat : file does not exist.

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Re: Howto: DHCP Server and Gateway
by Understudy on Saturday January 31, @08:44PM

I did some minor updating to this article. The kernel rebuild is now a couple of steps easier.

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Re: Howto: DHCP Server and Gateway
by Understudy on Thursday March 18, @08:00PM

I did a small addendum to reflect the change in the isc-dhcp port. All seems to be working fine with the new port.

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Re: Howto: DHCP Server and Gateway
by shotta on Tuesday August 31, @06:41PM

i think you need to also add natd to the startup options?

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Re: Howto: DHCP Server and Gateway
by Understudy on Tuesday August 31, @09:45PM

In the article I it showed this:
In your rc.conf add these lines:

gateway_enable="YES"
ipnat_enable="YES"

I have also added this:
ipnat_rules="/etc/ipnat.rules"

I hope that helps. I am not sure if this is different for the 5.x series as I wrote this for the 4.x series. If you have any more items to point out please do so.

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Re: Howto: DHCP Server and Gateway
by PsychoFreud on Sunday January 08, @10:19PM

Would anyone know how to start setting up the FALLBACK server? I am not sure how to do this at all. Main ISP dhcp server is running just fine now.

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Re: Howto: DHCP Server and Gateway
by PsychoFreud on Sunday January 08, @10:20PM

that's ISC, of course.

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