[plug] dhcp networking

[Onno Benschop]

On Thu, 2003-07-31 at 16:53, Ryan Smith wrote:
> hello
>  
> I have a debian box with dhcp installed. and i was wondering how to
> write a script for my debian client so when my server is turned off it
> will still have an ip so it can access the rest of my network.
> does anyone have any sujestions on how i might go about this?

I'm in a similar situation - and I solved it with aliased interfaces. In
the interfaces file in /etc/networks/ you can setup an interface for a
dynamic address and create another aliased interface with a static one
like this:

        auto eth0
        iface eth0 inet dhcp
        
        auto eth0:1
        iface eth0:1 inet static
        	address 192.168.101.222
        	netmask 255.255.255.0
        	network 192.168.101.0
        	broadcast 192.168.101.255
        
I must confess that I use this not for the stated purpose, but because I
only have one ethernet interface that needs to provide me with internet
connectivity and the rest of my computers with a gateway to the
internet, but for the purposes of your query it will work fine.

Also, you could cheat and install a DHCP server on your own computer,
which will in fact answer queries from itself - having found this out
the hard way :-( -  but if you go down that line you're on your own
because multiple DHCP servers is a nightmare waiting to happen...

Anyway - food for thought...

Onno Benschop 

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