Dynamic IP and DNS

D. R. Evans doc.evans at gmail.com
Thu Aug 24 01:23:46 BST 2006

On 23/08/06, eduard <eduard.bonet at upf.edu> wrote:
> System settings - Network Parameters (or something similar) - select the
> tab Network Interfaces and click on the button Configure Interface.
> There, under the title TCP/IP Address, you should select Automatic and
> Dhcp.
> If this doesn't work, i would try installing dhcp3 server.

To explain to Marcus...

What eduard says should work, and you should certainly NOT have to install
any kind of server.

What the network administrator is trying to tell you is this::

when a client connects to a network, it broacasts its presence and looks for
a DHCP server... (in Linux, usually this means that something like "dhclient
eth0" is executed); the network DHCP server responds with an IP address for
the client (which then becomes the client's IP address as long as it is
attached to the network) and also the location of the network DNS server(s).
When the client wants to talk to another computer, it now knows the address
of a DNS server that can convert the destination computer name into the
destination computer IP address, which is what the client needs in order to
be able to talk to the destination.

I missed out a few steps in the DHCP process for the sake of clarity, but
that's basically how it works. It's a very common network configuration.
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