[ltp] Release/renew ip address on T21?

[T D]

I know that ifplugd is the daemon that watches for
different networks, I know there is one for the
wireless side also. Try googling ifplugd and wireless.

HTH,
Tino

--- Crispian Thorne <linux@crispian.org> wrote:
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> Does anyone know a way to release and renew an IP
> address?
> 
> I'm using Libranet 3.0 (Debian-based, 2.6.11, ACPI
> etc.) on a Thinkpad
> T21 with a Sony-Ericsson GC79 card using
> ndiswrapper. WiFi works great,
> but I often move around between networks (and access
> points) and have
> problems trying to connect to a new network I've
> moved into.
> 
> My home is in the basement of the church where I
> work, and I have a
> network there "Homestarrunner"- ch. 11, and up in
> the church I have
> another different network with a both a master
> access point "Marzipan"-
> ch. 11, and another router with DHCP etc. turned off
> as another access
> point "wwjd" on Ch. 9.
> 
> I can connect absolutely fine to any of the three if
> I boot within their
> range, a simple "ifup wlan0" brings it right up. The
> problem comes when
> I move from one to another- the computer hangs onto
> whatever ip address
> it originally got, and this will not work within
> another's range. (And
> I've tried naming the two that are on the same
> network the same- still
> won't work). What I need to be able to do is force
> it to drop it's ip
> address and go look for another DHCP lease.
> 
> A simple "ifdown wlan0" "ifup wlan0" won't do it,
> nor will
> "/etc.init.d/networking restart". I installed
> wifi-radar, and while that
> gives a lovely gui of available network it won't
> release/renew an ip
> address, nor will the gnome networking panel applet
> (though this
> actually seems the most promising). I also installed
> dhclient and have
> tried "dhclient wlan0 -r", which should work
> according to the man page,
> but comes up as an unrecognised parameter. I've even
> tried popping out
> the card and reseating it- still no good.
> 
> There *has* to be a simple way to make my T21
> release/renew (I mean-
> it's easy in windo$e- and I refuse to believe that
> there's something
> winblows does better!). Can someone out there help
> me?
> 
> - --
> Crispian Thorne
> linux@crispian.org
> *linux & lovin' it*
> Linux User # 329400
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