From: Brian Dennis (brian@xxxxxx)
Date: Wed May 23 2001 - 12:50:29 GMT-3
Bryan,
If you're working in a Microsoft environment you can download a utility
called mzmaker (see link below) which is a DOS port of the UNIX compress
command. If you have access to a UNIX box you can just use the compress
utility.
>From my experience with running compressed images on 2500s I've found that
the largest image I could successfully run with 16 megs RAM was an image
that was about 12.5 megs in size before compression. This is about the size
of 12.0(4)T Enterprise/FW Plus IPSec56 image for the 2500. Another nice
thing is that you can run images without any flash at all in the router.
Just boot the compressed image from a TFTP server or another router
configured as a TFTP server. A small issue with the mzmaker utiliy is that
it doesn't seem to understand long file names. So before compressing an
image you need to shorten the name.
copy c2500-jos56i-l.120-4.T.bin c2500.bin
mzmaker c2500.bin c2500.Z
copy c2500.Z c2500-jos56i-l.120-4.T.Z
www.mcseco-op.com/Mzmaker.zip
Good Luck!
Brian Dennis, CCIE #2210 (R&S)(ISP/Dial) CCSI #98640
5G Networks, Inc.
brian@5g.net
(925) 260-2724
-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Bryan Osoro
Sent: Tuesday, May 22, 2001 7:40 PM
To: ccielab@groupstudy.com
Subject: Compressed IOS Image
All:
First question, How do I compress IOS images (for 2500s), and 2nd do I have
to do anything special to have the router load a compressed image?
Thanks
Bryan
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