Before you can use the compression program you must figure out if it should
work or not. #1- you cannot compress a compressed program (it usually
becomes larger). Take a known run from RAM IOS like 11.2, 11.3, & 12.0 (up
to release 12.0(9)). Secondly- no matter how small you compress the image,
it will require the full RAM size needed- as if it had not been compressed
(this never changes). A simple way to know when you are dealing with a run
from RAM code, is when shows the IOS image is say 5000 KB & 8 Megs FLASH is
recommended, with 10 Megs of RAM (5 fits into 8 & 8 fits with management
into 10 Megs). With a run from FLASH, you'll see 16 Megs of FLASH
recommended & a RAM requirement of much less.
No magic- no smoke :o)
Phil
----- Original Message -----
From: Jason J. Roysdon
To:
Sent: Friday, April 13, 2001 10:43 PM
Subject: Re: Mzmaker [7:552]
> How much DRAM does the router have, and what is that IOS image's
> requirement? That's my guess as to the problem.
>
> --
> Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
> List email: [EMAIL PROTECTED]
> Homepage: http://jason.artoo.net/
>
>
>
> "John Chang" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > I have a 2514 w/ 8Mb flash. When I used mzmaker to compress IOS 12 that
> is
> > 10MB it worked fine. However, after writing the .mz file to flash and
> > starting up the router it keeps looping "Error : memory requirements
> exceed
> > available memory
> > Memory required : 0x00AF99A0
> >
> > Exception: Software forced crash at 0x111E (PC)"
> >
> > and giving this error. Does this not work since on a 2500 series router
> > the IOS runs in the flash and not ram? Thanks.
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