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New Member

TFTP Flash Copy Failure on 3600

Hi,

I have had a problem recently where when trying to copy images larger than 16Mb via TFTP to various 3600 routers, the transfer fails.

The pair I am currently working on are running 12.2(11)T2. I need to get 12.2.15T onto each router, but when I try a "copy tftp flash", after the first 16Mb, the router console output switches from exclamation marks to zeros and dots:

!!!!!!!!!!!!!!.0.0.0.0.0.0.0.0.0.

and then I get the transfer failed message. I have tried Cisco, 3C and Solarwinds TFTP servers all to the same effect.

I would be grateful for any advice anyone could provide on this.

Thank you in advance,

Luke.

  • Other Network Infrastructure Subjects
15 REPLIES
Silver

Re: TFTP Flash Copy Failure on 3600

How much flash does the box have ?

New Member

Re: TFTP Flash Copy Failure on 3600

Pardon me, the boxes are both specified with 32 Mb Flash and 128 DRAM.

Silver

Re: TFTP Flash Copy Failure on 3600

How big is the image that is running on the box currently ? Is your flash partitioned ?

New Member

Re: TFTP Flash Copy Failure on 3600

The current image is 14Mb, the new one is 18Mb.

The flash is set to a single 32Mb partition, I believe the chip configuration is 2x16Mb.

Thank you very much for your help.

Silver

Re: TFTP Flash Copy Failure on 3600

Can you paste a sh flash in, I think that both images are not going to fit in your flash .

New Member

Re: TFTP Flash Copy Failure on 3600

The problem is there even when the flash is completely empty.

Silver

Re: TFTP Flash Copy Failure on 3600

o's are out of order packets , and dots are timeouts .

did you try to copy a different image ? maybe your image is corrupt .

Try this

partition your flash ' partition flash 2 16 16'

then copy the image from partition 1 to partition 2

copy flash1:imagename.bin flash2:iamgename.bin

This will test the second SIMM in flash to make sure it is not bad .

New Member

Re: TFTP Flash Copy Failure on 3600

I will not be able to try this until next week now, thank you for your help and I will let you know the result of that test.

Enjor your weekend, Luke.

New Member

Re: TFTP Flash Copy Failure on 3600

Hi Luke

I had this exact same problem before with a 3640 series. Even though I've had plenty of room for them.

The transfer failed with Cisco TFTP server so I turned on enable logging and it showed a timeout error.

I resolved it by using hyperterminal and using transfer to send it with Xmodem.

Let me know if you try this, because I've had a lot of trouble sending files to 3640's and I could probably recommend something else.

Gavin.

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