From: Andres Alejandro (andres_ccie@hotmail.com)
Date: Thu Jan 18 2007 - 11:42:10 ART
Hi Andew,
How are you?.
It is not a BUG, he is that program TFTP server(TFTPD32) supports the
transference of files of more of 16MB, however most of the TFTP
sever(example 3com) they support only 16 MB maximun.
Thanks a lot.
Andre.
>From: "Andrew Larkins" <andrew.larkins@BTGroup.co.za>
>Reply-To: "Andrew Larkins" <andrew.larkins@BTGroup.co.za>
>To: <cisco@groupstudy.com>, <ccielab@groupstudy.com>
>Subject: Limit on TFTP file size - funny that should not work but did..
>Date: Thu, 18 Jan 2007 16:04:23 +0200
>
>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
>
>The information contained in this message and or attachments is intended
>only for the person or entity to which it is addressed and may contain
>confidential and/or privileged material. Any review, retransmission,
>dissemination or other use of, or taking of any action in reliance upon,
>this information by persons or entities other than the intended recipient
>is prohibited. If you received this in error, please contact the sender and
>delete the material from any system and destroy any copies.
>
>_______________________________________________________________________
>Subscription information may be found at:
>http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Thu Feb 08 2007 - 23:46:57 ART