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New Member

Trying to squeeze flash on a 3620

IOS version 12.2(2)T on a Cisco 3620 I'm getting an error when trying to squeeze the flash on all my devices.

NJM-PAR-R3620-2#sho flash

System flash directory:

File Length Name/status

1 7696872 aaa0756.bin [deleted]

2 8777804 c3620-ds-mz.120-7.T [deleted]

3 12240736 c3620-ds-mz.122-2.T.bin

4 1751538 c3500XL-c3h2s-mz.120-5.4.WC.1.bin [deleted]

5 4127 njm-par-r3620-2.txt [deleted]

6 4051 par2old.cfg [deleted]

7 4151 njm-par-r3620-2.txt [deleted]

8 4151 njm-par-r3620-2.txt [deleted]

9 4241 njm-wt-r3620-2.old

[30488256 bytes used, 3066176 available, 33554432 total]

32768K bytes of processor board System flash (Read/Write)

NJM-PAR-R3620-2#squeeze flash:

Squeeze operation may take a while. Continue? [confirm]

%Error squeezing flash ()


New Member

Re: Trying to squeeze flash on a 3620

You need to "erase" the flash once before the "squeeze" command will work correctly.


Re: Trying to squeeze flash on a 3620

As suggested, squeeze command works only on deleted files (files on your flash marked as [deleted]). You still have the 12.2T IOS file not deleted. Also the file with .old is not deleted. Unless you delete these two files, you wont be able to squeeze the flash as a whole.

But what you can do is squeeze each deleted files, individually.

squeeze flash:, will remove the file from the system, if its already deleted.

Hope that helps.

New Member

Re: Trying to squeeze flash on a 3620


On the 3600 series,the entire flash file system needs to be erased once and only once before the squeeze command can be used. Use the following:

no partition flash:


erase flash:



New Member

Re: Trying to squeeze flash on a 3620

To my knowledge (and experience), you have to squeeze the (freshly formatted/erased) flash once, to put a squeezelog on it.

After that you can squeeze away ;-)

New Member

Re: Trying to squeeze flash on a 3620

I want to keep the 12.2(2)T image on the flash. However ever I need to make room for new image that I'm upgrading too. How can I accomplish this without eraseing the whole flash.

New Member

Re: Trying to squeeze flash on a 3620

copy the image you want to keep to your tftp server.

Erase the flash.

squeeze the flash.

copy the image back to the router from your tftp server.


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