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Re: Networking Trouble


On Wed, 2005-02-09 at 13:15 -0800, Dave Johnson wrote:
> I'm working on cygwin, so I got Windump. There are absolutely no
> packets coming from 192.168.200.11.  When I ping 192.168.200.11, the
> arp request is made but is not answered.
> 
> Any ideas? 

How did you configure your eCos application to run this IP?

> 
> Dave
> 
> 
> --- Andrew Lunn <andrew@lunn.ch> wrote:
> 
> > On Wed, Feb 09, 2005 at 12:34:14PM -0800, Dave Johnson wrote:
> > > I am running an application built using the 'Net' template with the
> > > ftp-client added.  I want to connect to the server to download a
> > file
> > > and then put it back.  The target is running RedBoot and I have
> > been
> > > uploading the application for test via GDB.
> > > 
> > > The problem is that while the Redboot IP remains pingable, I am not
> > > even seeing a log entry in my FTP server from the application -- I
> > > think the application networking may not be functioning.
> > > 
> > > I have configured the Redboot for 192.168.200.10, the application
> > for
> > > 192.168.200.11, and the server 192.168.200.1.  There is no gateway
> > or
> > > DNS services on the server;  I just want to use IP to transfer
> > files.  
> > > 
> > > When I run the program, I see that "FTP Connect failed: Invalid
> > > argument" and "FAIL:<ftp_get returned -3>".
> > > 
> > > Is there anything I need to do to activate ip other than  
> > > init_all_network_interfaces()?
> > 
> > No, there should not be anything else to do.
> > 
> > Can you ping the application? It should respond to 192.168.200.11.
> > Have you run tcpdump to look at the packets on the network? Does the
> > application send any packets at all?2
> > 
> >         Andrew
> > 
> 
> 
> 
> 	
> 		
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-- 
------------------------------------------------------------
Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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