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Date: Fri, 31 Aug 2001 15:18:18 -0400
To: "Sheldon, Ken" <ksheldon AT context DOT com>,
        "'cygwin AT cygwin DOT com'" <cygwin AT cygwin DOT com>
From: "Larry Hall (RFK Partners, Inc)" <lhall AT rfk DOT com>
Subject: Re: Solved: ftpd stalls when the W2k TCP Loopback adapter is
  enabled
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Glad you worked something out.  W2K's behavior in this area must be 
controlled by the driver??  All I can say is I have no troubles with 
IP addresses and my PCMCIA network card with DHCP on W2K.  Of course,
I always have the card plugged in even if it's not connected to the
net.

Larry Hall                              lhall AT rfk DOT com
RFK Partners, Inc.                      http://www.rfk.com
118 Washington Street                   (508) 893-9779 - RFK Office
Holliston, MA 01746                     (508) 893-9889 - FAX



At 03:09 PM 8/31/2001, Sheldon, Ken wrote:
>Brute force and trial and error saves the day!
>
>Using DHCP does not seem to help in my case.  W2k disables the driver (and
>therefore loses its IP address) when a cable is not connected to the
>ethernet adapter.  Fortunately, TCP/IP still works for 127.0.0.1.  This
>loopback address works even if the loopback adapter is disabled. 
>
>So, although some programs (j2sdkee) require the loopback adapter driver to
>be running in order for the installation to succeed, this driver can be
>disabled after installation and the loopback functionality will still work.
>
>
>-----Original Message-----
>From: Larry Hall (RFK Partners, Inc) [mailto:lhall AT rfk DOT com]
>Sent: Thursday, August 23, 2001 11:57 AM
>To: Sheldon, Ken; 'cygwin AT cygwin DOT com'
>Subject: Re: ftpd stalls when the W2k TCP Loopback adapter is enabled
>
>
>At 12:47 PM 8/23/2001, Sheldon, Ken wrote:
> >I use a development machine that is not always connected to a network.  I
> >use win2k, so when by ethernet card is not connected, the OS disables the
> >device and I lose my IP address.  So, to enable an IP address, I installed
> >the w2k loopback adapter.
> >
> >The cygwin ftpd process misbehaves when the loopback adapter is enabled.
> >The initial authentication works fine, but any command that involves a PORT
> >directive (such as LS, PUT, or GET) causes the process to stall for several
> >seconds before performing the command.  If I disable the loopback adapter
> >and use only an ethernet adapter, things work fine.  That gives me a
> >workaround when I am connected to a network.  Unfortunately, I need to do
> >development when I am completely disconnected from the network and only the
> >loopback adapter is enabled.
> >
> >I a looking for ideas on how to approach this.
>
>
>
>Doesn't it work when the ethernet card is installed but not connected to a 
>network?  I don't have any trouble running W2K as a DHCP client when I'm
>not connected to a network.  The DHCP client SW gets me a default IP 
>address when I boot up off the network and my last lease is expired...
>
>
>
>Larry Hall                              lhall AT rfk DOT com
>RFK Partners, Inc.                      http://www.rfk.com
>118 Washington Street                   (508) 893-9779 - RFK Office
>Holliston, MA 01746                     (508) 893-9889 - FAX
>
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