Question

Cisco 2821 tftp problems

Asked by: heze54

Hi,

I have a cisco 2821 no IOS uploaded rommon1-> state.

Is impossible to upload a IOS bin file, every time I try it... timeout. File is 58MB and only loads 50.. 52 or something like this.

What can I do?

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Asked On
2009-09-22 at 15:10:30ID24753264
Topics

Email Servers

,

Network Routers

Participating Experts
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500
Comments
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Answers

 

by: ikalmarPosted on 2009-09-22 at 15:17:20ID: 25398115

Hi,

Please remove the flash card from router, and copy the bin file from computer!
If the card is corrupted, please change it!

Best regards,
Istvan

 

by: heze54Posted on 2009-09-22 at 15:20:57ID: 25398135

Hi,

I have two CF, 64 MB and 128MB.

I also have a multi card reader. I plug  both CF. Can I connect the readed and upload the file? How?

 

by: ikalmarPosted on 2009-09-22 at 15:24:52ID: 25398159

if you have noncisco cf card please format it on the router, and after put the card reader, and copy the required files to!

 

by: heze54Posted on 2009-09-22 at 15:27:01ID: 25398173

Hi,

64MB is a cisco CF.

128 is sandisk CF

How can I format the CF?

 

by: ikalmarPosted on 2009-09-22 at 15:32:57ID: 25398209

plug it into the router and format

 

by: ikalmarPosted on 2009-09-22 at 15:33:13ID: 25398212

try firstly to use CIsco CF

 

by: heze54Posted on 2009-09-22 at 15:34:11ID: 25398216

Can I format the cf if the router is  rommon1-> state?

 

by: ikalmarPosted on 2009-09-22 at 15:35:49ID: 25398230

Enter ? or help at the ROM monitor prompt to display a list of available commands and options, as follows:

rommon 1 > ?

alias                              set and display aliases command

boot                              boot up an external process

break                              set/show/clear the breakpoint

confreg                              configuration register utility

cont                              continue executing a downloaded image

context                              display the context of a loaded image

cookie                              display contents of cookie PROM in hex

dir                              List files in directories-dir <directory>

dis                              display instruction stream

format                              Format a filesystem-format <filessystem>

frame                              print out a selected stack frame

fsck                              Check filesystem consistency-fsck <filesystem>

help                              monitor builtin command help

history                              monitor command history

meminfo                              main memory information

more                              Concatenate (type) file(s)-cat <filenames ...>

repeat                              repeat a monitor command

reset                              system reset

set                              display the monitor variables

stack                              produce a stack trace

sync                              write monitor environment to NVRAM

sysret                              print out info from last system return

tftpdnld                              tftp image download

unalias                              unset an alias

unset                              unset a monitor variable

xmodem                              x/ymodem image download

 

by: ikalmarPosted on 2009-09-22 at 15:36:09ID: 25398234

 

by: kenboonejrPosted on 2009-09-22 at 17:33:48ID: 25399060

There are a lot of variances in tftp server software that is out there.  Some of them just don't work so well on bigger files.  Try tftpd32 this one works well on large files.  It could be the flash, but I have seen what you are describing on many different tftp servers.  Here is a link to the dload page for tftpd32:

http://tftpd32.jounin.net/index.html

 

by: lanboyoPosted on 2009-09-22 at 19:55:53ID: 25399697

There is a serious problem loading files over 32 Megs using tftp.  I would recommend loading an ios smaller than 32 megs using the rmon tftp, reload to ios, and then using the ios "copy ftp flash"  to download the image you want to use.

20120131-EE-VQP-002

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