Thanks for help. Can you tell me some more detailed informations? In the 
fact, I didn't change anything of dhcp client's configuration. Each time ifup 
eth0, I always got such info: 
    CopyrigVht 1995, 1996, 1997, 1998, 1999 The Internet Software
    Consortium.
    All rights reserved.

    Please contribute if you find this software useful.
    For info, please visit http://www.isc.org/dhcp-contrib.html

    Listening on LPF/eth0/hardware address
    Sending on   LPF/eth0/hardware address
    Sending on   Socket/fallback/fallback-net
    DHCPREQUEST on eth0 to 255.255.255.255 port 67
    DHCPACK from gw
    bound to ipaddress  -- renewal in 3600 seconds.
                        ~~~~~~~~~~~~~~~~~~~~~~~~~~~ does this mean that
                        the lease time is just 3600s?
    
    Thanks! 
                                                        xiaoyang

On Mon, Sep 26, 2005 at 11:28:07AM +0000, [EMAIL PROTECTED] wrote:
> You need to configure the dhcp timeout.
> 
> On 9/25/2005, "Xiaoyang Gu" <[EMAIL PROTECTED]> wrote:
> 
> >hi
> >   I have a little pain problem. It is about the ip address. My debian box 
> > got an ip from the DHCP server when booting the system. But some time 
> > later, maybe ten hours, the ip address changed automaticlly. I didn't 
> > shutdown or reboot my computer, or plug out the cable ... I don't know why. 
> > But other computers using M$'s Windows don't have this problem, their ip 
> > address never changed when the power is on.
> >   When ip changed, I need to run a auth client again, so that my box can 
> > get outgoing connections. So when the problem accurs, all the program 
> > related with network may lost their connections. It sometimes makes me 
> > crazy!
> >   Any suggestions? Thanks for help!
> >                                             xiaoyang
> >
> >
> >--
> >To UNSUBSCRIBE, email to [EMAIL PROTECTED]
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> >
> >


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