refresh IP from dhcp isp

Lai Zit Seng lzs at
Sat Dec 25 07:38:18 UTC 2004

Kate, just out of curiosity, why would you want to change your IP address?


Lai Zit Seng
Email: lzs at

On Thu, 23 Dec 2004, kate wrote:

> --- Aleksandar Milivojevic <amilivojevic at>
> wrote:
>> Lai Zit Seng wrote:
>>> In that case, there's a -r option to dhclient
>> which according to the
>>> manpages is supposed to do a DHCP release.
>>> I'm not sure what's wrong, but this doesn't
>> actually do anything on my
>>> FC3 box. Tcpdump shows no DHCP_RELEASE packet is
>> ever sent, and the
>>> original client doesn't exit either. But perhaps
>> you might have better
>>> luck with it :)
>> Have you tried to kill original client first, than
>> do -r thingie, and
>> than restart the client (for example, ifdown ethx;
>> ifup ethx)?
>> --
>> Aleksandar Milivojevic <amilivojevic at>
> Could you be more exact with the syntax please. I have
> read the man pages for dhclient, dhclientlease, etc,
> but I am rather lost. Surely I am not the only one who
> wants to refresh a dynamically assigned IP...
> tia
> kate

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