Linux - NetworkingThis forum is for any issue related to networks or networking.
Routing, network cards, OSI, etc. Anything is fair game.
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Hello all. I'm running a DHCP server that listens on my wireless access point to provide internal network addresses to client computers. Then they are able to access my external interface through my shorewall. The problem is that DHCP does not want to start without a subnet declaration for the eth0 external interface, which is assigned via DHCP by my ISP. I have given it the current IP of the external interface in a subnet declaration just to shut it up and make it run, but the next time the IP changes, I'll have to update the DHCPD.conf, which I don't want to have to do all the time. Here are the contents of my current dhcpd.conf, including the interim subnet declaration
Thanks for the info, MQM. It seems the problem was that I had to start DHCP with the interface I wanted it to listen to as an argument. Otherwise it would try to pay attention to its hardcoded target eth0, even though it's not in dhcpd.conf.
Oh yes. You need to restrict dhcpd to the interface that handles your internal network. If you accidentally start it on your "internet connection" interface, then your ISP will get very upset, when you start handing out IPs instead of them. LOL