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Confirming IOS upgrade steps with limited memory, Cat 2950

Folks, just to confirm:

I need to upgrade IOS on cat 2950. I do 'dir' and see switch has only 2447360 bytes free. New IOS requires 3722226 bytes.

That said, is the below the right approach:

1. Do 'copy tftp flash'.

2. At that point IOS will overwrite existing IOS in flash. Is that right?

3. Check 'show boot system' is not pointing to old image.

Reload the switch. At that point the new IOS should be loaded.

1 ACCEPTED SOLUTION

Accepted Solutions
Hall of Fame Super Gold

Re: Confirming IOS upgrade steps with limited memory, Cat 2950

I'm upgrading a number of 2950's and this is what I'm using:

1. Delete the old HTML folder: del /f /r flash:/html

2. Delete the old IOS: del /f /r flash:/c

3. Uncompress the .tar file from the TFTP to the switch: arch tar /x tftp:///c2950-i6k2l2q4-tar.121-22.EA13.tar flash:

I don't need to set the boot parameter because the 2950 memory is enough for ONE IOS (unless you delete the HTML folder then you can have TWO).

Hope this helps.

4 REPLIES
Hall of Fame Super Blue

Re: Confirming IOS upgrade steps with limited memory, Cat 2950

Marlon

It may be that the tftp will fail because there is not enough space. If so

1) delete flash:

then check your boot statement and modify if needed. If you don't have a boot statement then you should be fine as it will boot the first image it finds.

Jon

Purple

Re: Confirming IOS upgrade steps with limited memory, Cat 2950

Usually if there is a html file in the directory , if you get rid of that then you have enough room to have 2 images in flash. If not then delete the current image .

Hall of Fame Super Gold

Re: Confirming IOS upgrade steps with limited memory, Cat 2950

I'm upgrading a number of 2950's and this is what I'm using:

1. Delete the old HTML folder: del /f /r flash:/html

2. Delete the old IOS: del /f /r flash:/c

3. Uncompress the .tar file from the TFTP to the switch: arch tar /x tftp:///c2950-i6k2l2q4-tar.121-22.EA13.tar flash:

I don't need to set the boot parameter because the 2950 memory is enough for ONE IOS (unless you delete the HTML folder then you can have TWO).

Hope this helps.

Hall of Fame Super Gold

Re: Confirming IOS upgrade steps with limited memory, Cat 2950

Thanks for the rating.

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