[Novalug] Changing DHCP server address? (fwd)

D. Frye dafr@dafr.us
Tue Mar 20 09:28:21 EDT 2007


> Here's what I want to do - I want to be able to 'ifdown eth0' my laptop
> here at work, suspend the laptop, then do 'ifup eth0' at home.  Currently
> when I try this, apparently dhclient is trying to access the dhcp server
> at the other location - at work, dhclient is trying to access the dhcp
> server at 192.168.1.2 (my home router/firewall), and I haven't figured out
> how to change this without rebooting.  I'm sure there's a simple way to do
> this with either a config file tweak, command-line command or
> network-script mod, I just haven't found it yet.  Any ideas?
> 

Try to release the DHCP lease on your work side before downing the 
interface (though the ifdown is probably not required):

$ sudo dhclient -r eth0

df



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