From: Andrew Larkins (andrew.larkins@BTGroup.co.za)
Date: Mon Jan 22 2007 - 11:57:02 ART
Excellent.....I was using Pumpkin and it failed....
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Duncan Maccubbin
Sent: 18 January 2007 16:37
To: cisco@groupstudy.com; ccielab@groupstudy.com
Subject: Re: Limit on TFTP file size - funny that should not work but
did..
Most tftp programs will support up to 32mb that I have found...ie
Pumpkin.
tftp32d can go well past that and is why Cisco recommends using it.
-----Original Message-----
>From: Andrew Larkins <andrew.larkins@BTGroup.co.za>
>Sent: Jan 18, 2007 9:04 AM
>To: cisco@groupstudy.com, ccielab@groupstudy.com
>Subject: Limit on TFTP file size - funny that should not work but did..
>
>Hi all,
>
>I am posting this because I can not find a valid answer. I am aware
>that tha maximum file transfer size for TFTP is 16MB. I have lab'ed
>this on numberous times and always I get a protocol error when I reach
this limit.
>
>I am on site right now doing a cutover (Enterasysout and 6509 in) and
>had to convert the CatOS to IOS on a SUP720 - CatOS8.5.6.
>
>I can FTP all the images from the switch and MSFC to the FTP server.
>FTP access to the server is perfect from all devices. However when I
>try FTP a new image onto the disk0: it fails. Yes the disk is
>formatted. The FTP server shows the file access attempt, but then
>everything dies - consoles are dead - I tried this on 2 different SUPs.
>I have to reboot the 6509 chassis to get console again. I can however
>FTP any small image - less than a 9MB up to the systems successfully. I
sent the PIX firewall 7.22 code as a test.
>
>I even logged a TAC case with this. Ths short answer from TAC was to
>use
>TFTPD32 which I did. I queried the file size anyhow and the TFTP
>limits. What happened next confussed me. I successfully sent a 45MB
>file via TFTP to the
>disk0: and also to bootflash:
>This should not have worked.
>
>Anyway - after the conversion to IOS was complete, I tried FTP again
>and everything works.
>
>Can anyone explain why this worked? Is this a bug or is this TFTPD32
>program somehow breaking TFTP to support this larger file size? I did
>not try TFTP after that again since it should never have worked at all
>in the 1st place
>
>Regards
>Andrew
>
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