From: Gary Thomas <gary@mlbassoc.com>
To: Salvador Sancha <ssancha@airzone.es>
Cc: eCos Discussion <ecos-discuss@ecos.sourceware.org>
Subject: Re: [ECOS] Unable to ping from redboot to PC
Date: Tue, 27 Nov 2007 10:39:00 -0000 [thread overview]
Message-ID: <474BEEB2.7050104@mlbassoc.com> (raw)
In-Reply-To: <20071127094228.A84CFED8693@smtp-03.servidoresdns.net>
Salvador Sancha wrote:
> Hi Gary
Please keep your replies on the mailing list; private email is only for
those with a support contract.
> Yes, the PC and the board are connected directly.
>
> I have network debugging enabled. When I ping from the board to the PC I get
> a 'Tx event' message. The sniffer running on the PC shows the ping query and
> the corresponding ping reply, but the board never shows a 'Rx event'.
The first ping message should be preceded by an ARP packet which is how
your RedBoot unit discovers the ESA of the PC. Do you see this? Does
the PC reply?
> -----Mensaje original-----
> De: Gary Thomas [mailto:gary@mlbassoc.com]
> Enviado el: lunes, 26 de noviembre de 2007 13:11
> Para: Salvador Sancha
> CC: ecos-discuss@ecos.sourceware.org
> Asunto: Re: [ECOS] Unable to ping from redboot to PC
>
> Salvador Sancha wrote:
>> Hi
>>
>> I am using a Freescale i.Mx27ads development board, which contains an ARM9
>> with redboot installed in it. I have configured a static IP address both
> in
>> the board and my PC. I manage to ping from the PC to redboot, but when I
> try
>> to do it the other way round a get 100% packet loss. I have all the
>> firewalls disabled, an Ethereal confirms the PC receives a ping query and
> it
>> returns a ping reply, but the board does not seem to receive it.
>
> Is your PC on the same LAN as the ADS board (i.e. no router
> between them)?
>
> Try enabling network debugging on the device running RedBoot.
> Using 'fconfig', set 'Network debug at boot time' to 'True'
> reboot and try it again. This will show you what packets
> are going through the local network stack.
>
--
------------------------------------------------------------
Gary Thomas | Consulting for the
MLB Associates | Embedded world
------------------------------------------------------------
--
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next parent reply other threads:[~2007-11-27 10:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20071127094228.A84CFED8693@smtp-03.servidoresdns.net>
2007-11-27 10:39 ` Gary Thomas [this message]
2007-11-27 10:49 ` Salvador Sancha
2007-11-27 13:41 ` Salvador Sancha
2007-11-26 9:32 Salvador Sancha
2007-11-26 12:10 ` Johan Cederbom
2007-11-26 18:04 ` Gary Thomas
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