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RE: Problem TFTPing from redboot
- From: Gary Thomas <gthomas at redhat dot com>
- To: Pieter Truter <ptruter at intrinsyc dot com>
- Cc: eCos Discussion List <ecos-discuss at sources dot redhat dot com>
- Date: 13 Feb 2002 15:11:52 -0700
- Subject: RE: [ECOS] Problem TFTPing from redboot
- References: <FF4C56C7B8A3D41183FA000629D5CCACAE6B42@cougar.intrinsyc.com>
On Wed, 2002-02-13 at 15:01, Pieter Truter wrote:
>
> We had the same problem with a windows TFTP server. It requires that the
> "OCTET" be lowercase. You need to modify RedBoot's TFTP code. Replace all
> "OCTET" with "octet" in tftp_client.c
>
Except that the RFC for TFTP specifies upper case.
Go Micro$oft!
>
> -----Original Message-----
> From: Douglas Bush [mailto:dbush@extremeeng.com]
> Sent: Wednesday, February 13, 2002 12:58 PM
> To: eCos Discussion List
> Subject: [ECOS] Problem TFTPing from redboot
>
>
> Folks,
>
> I can't seem to TFTP load an image into an EDB7211. I'm using Windows
> 2000, and the redboot which is already installed on my target is the
> standard (canned) redboot from May 2001.
>
> I start up my server application, then type;
> load -h 172.16.1.15 -m tftp redboot.srec
>
> The on target redboot responds with;
> Can't load 'redboot.srec': operation timed out
>
> I've tried 2 3Com tftp servers, and TFTPD32. I've also tried to
> increase the timeouts on the servers.
>
> Ethereal shows what appears to be a valid TFTP request, but its not
> being accepted by any of the TFTP servers.
>
> TFTPD32 said "Error: RecvFrom returns 10040: <A message sent on a
> datagram was larger than the internal message buffer or some other
> network limit, or the buffer used to receive a datagram into was smaller
> than the datagram itself."
>
> I suspected my windows MTU size so I tried pinging with 1472 byte
> packets with no fragmentation and that worked just fine.
>
> Does anyone have any experience with this? Also... What is everyone
> else using for a TFTP server for either cygwin or Windows 2000?
>
> Douglas Bush
> Extreme Engineering
> #17, 6025 - 12 St. SE
> Calgary, Alberta, Canada
> T2H 2K1
>
> Phone: 403 640 9494 ext-208
> Fax: 403 640 9599
>
> http://www.extremeeng.com
>
>
>
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