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file size large tftp does not support(IOS upgrade error)

Hi,all

Thanks in advance

When we are upgrade the IOS of router with latest ios which is 35 mb size file by using cisco tftp or any third party tftp software it's showing error like below

file size large.does not suuported by tftp protocol.

4 REPLIES
Collaborator

Re: file size large tftp does not support(IOS upgrade error)

Hi,

Use 3COM Daemon V2.0 Rev 10

http://support.3com.com/software/utilities_for_windows_32_bit.htm

Regards,

Dandy

Hall of Fame Master

Re: file size large tftp does not support(IOS upgrade error)

sandeep

I have used 3Cdaemon suggested by Dandy with good success. As an alternative I have heard good things about tftpd32 and its support for features like large file size. It is available from:

http://tftpd32.jounin.net/

I would also like to make the suggestion that as file sizes of IOS get larger there are benefits from using FTP instead of TFTP. Not only does FTP not have a file size restriction but the performance of FTP for transferring large files is much better than the performance of TFTP.

HTH

Rick

Re: file size large tftp does not support(IOS upgrade error)

". . . the performance of FTP for transferring large files is much better than the performance of TFTP."

Very, very true as latency increases, as you often see on WAN links. (NB: RCP also works well too.)

Cisco Employee

Re: file size large tftp does not support(IOS upgrade error)

I agree with Joseph. I would rather use FTP when the file size goes beyond 32 MB.

Regards,

Harold Ritter
Sr. Technical Leader
CCIE 4168 (R&S, SP)
harold@cisco.com
México móvil: +52 1 55 8312 4915
Cisco México
Paseo de la Reforma 222
Piso 19
Cuauhtémoc, Juárez
Ciudad de México, 06600
México
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