Hi,
My system is running Debian 3.0 (Woody) Linux.
I use this Linux system as the gateway for my home LAN. It has 2 interfaces
eth0 and eth1.
eth0 - Uses DHCP to connect to the ISP
eth1 - Uses static IP address (10.10.10.10)
Now I want to switch the home LAN to DHCP environment. I have a few questions
about the setup.
Should the eth1 have a static IP address so that other systems on the LAN know
the gateway to the Internet?
Are there any routes to be added for a dhcp environment?
Below is my /etc/dhcpd.conf file.
I also had the problem of getting dhcpd to listen on eth1, so just swapped the cables (I know its crude). I later found out how indicate to dhcpd which interface to listen on, but I already had the whole system setup up the way I wanted ;)
I would think that the interface your dhcpd listens on must have a static ip. I mean, if it has a dynamic IP, then where does it get it from? In that case there would be another dhcp server on the subnet already.
mine goes something like this:
ISP <-> DSL modem <-> eth1 (router box) eth0 <-> home LAN
DHCP 192.168.1.1 192.168.0.1 subnet 255.255.255.0
192.168.1.254
the 'option routers' line tells the dhcp clients what their gateway is.
-Roberto Sanchez
# dhcpd.conf
option subnet-mask 255.255.255.0; default-lease-time 604800; max-lease-time 2592000; option routers 192.168.0.1; option domain-name-servers 192.168.1.254, 192.168.1.254;
subnet 192.168.0.0 netmask 255.255.255.0 {
range 192.168.0.2 192.168.0.254;
option broadcast-address 192.168.0.255;
}subnet 192.168.1.0 netmask 255.255.255.0 {
}
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