From: Mitch Tsai (mtcisco@xxxxxxxxx)
Date: Sat Mar 03 2001 - 16:21:55 GMT-3
I am the original poster of this mailing. I tried to
compress the ios using mzmaker and ios version 12.1.7
would not work because it uses up too much memeory. I
can get the c2500-jos56i-l.120-9.bin to work because
it only take up about 11 mb of memory.
Thank you all for you help.
--- Nigel Taylor <nigel_taylor@hotmail.com> wrote:
> les,
> there is a difference here.. it like everything
> else changing the code
> from they way you got it means "modification". Most
> of the 2500 and 4000
> code loads into RAM and will never be found in the
> *.mz* format on CCO.
>
> However, the 7500 IOS images do come in that
> format.. let's see you try to
> compress that code to fit on a flash card anything
> smaller than the size of
> the image you downloaded.
>
> Nigel..
>
>
> >From: Les Hardin <hardinl@bah.com>
> >Reply-To: Les Hardin <hardinl@bah.com>
> >To: "CCIE Lab groupstudy.com"
> <ccielab@groupstudy.com>
> >Subject: Re: HOT: Compressing IOS image info....
> >Date: Fri, 02 Mar 2001 13:24:48 -0500
> >
> >Nigel,
> >
> >That's an odd comment from Cisco, considering you
> can download -mz- files
> >from CCO!
> >
> >Les
> >
> >
> >
> >At 04:41 AM 3/2/2001 -0500, Nigel Taylor wrote:
> > >All,
> > > Just as a note, sometime ago I posted a
> thread that cisco did
> >frown
> > >one this type of modification to their software
> product. I also noted
> >that
> > >although the program(mzmaker) in question is in
> wide use, Cisco believes
> > >they must stay committed to limiting the extent
> as to how widely used
> >this
> > >program ultimately becomes. I was also warned at
> the time of cisco's
> > >intentions to prosecute anyone whom they deemed
> altered their product.
> > >Please refer to the SLA that you agree to when
> downloading the IOS
> >software
> > >images, that pretty much explains it.
> > >
> > >Just thought I'd mention it...!
> > >
> > >Nigel..
> > >
> > >----- Original Message -----
> > >From: Steven Weber <itweber@earthlink.net>
> > >To: CCIE Lab groupstudy.com
> <ccielab@groupstudy.com>; David C Prall
> > ><dcp@dcptech.com>
> > >Sent: Thursday, March 01, 2001 11:00 PM
> > >Subject: Re: Compressing IOS image
> > >
> > >
> > > >
> > > > I have 2 2501's here running enterprise + 12.1
> with 8 flash and 16
> > > > dram
> > > >
> > > > never crashes although it does takes an extra
> minute or two to boot up
> > > > because the image needs to be uncompressed
> > > >
> > > >
> > > > ----- Original Message -----
> > > >
> > > > From: David C Prall
> > > >
> > > > To: CCIE Lab groupstudy.com
> > > >
> > > > Sent: 3/1/01 10:53:21 PM
> > > >
> > > > Subject: Re: Compressing IOS image
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > ----- Original Message -----
> > > >
> > > > From: mtcisco@yahoo.com
> > > >
> > > > Hi,
> > > >
> > > > Does anyone know how to compress IOS image.
> I have
> > > >
> > > > 2500 series router with 8mb flash and I want
> to load
> > > >
> > > > enterprise software that is 15mb in size. I
> don't have
> > > >
> > > > extra money to upgrade them to 16mb flash.
> If anyone
> > > >
> > > > knows how pleae let me know asap, my lab
> date is next
> > > >
> > > > week. Thanks
> > > >
> > > > Mitch
> > > >
> > > >
> > > >
> > > > Just remember that you are uncompressing the
> image into ram, and then
> > > >
> > > > attempting to run it from there. If the image
> is 15MB in size, you can
> > > > most
> > > >
> > > > likely compress it down to just under 8MB's.
> As soon as it loads
> >though
> > > > it
> > > >
> > > > most likely will crash the router, since max
> ram in a 2500 is 16MB and
> > > > you
> > > >
> > > > have just taken up 15 of that. Even worse most
> 2500's set aside 2 MB's
> > > > as
> > > >
> > > > buffer leaving 14MB to start with.
> > > >
> > > >
> > > >
> > > > Believe me when I tell you, it will crash the
> router. I use images
> >that
> > > > are
> > > >
> > > > 10MB requiring 6MB of Ram. When you start
> doing tricky stuff they some
> > > > times
> > > >
> > > > start having MALLOC and TRACEBACK errors, or
> worse lock up tight.
> > > > 11.3
> > > >
> > > > enterprise is about as far as you can go doing
> this.
> > > >
> > > >
> > > >
> > > > The same applies to TFTP'ing the image as
> well.
> > > >
> > > >
> > > >
> > > > David C Prall dcp@dcptech.com
> http://dcp.dcptech.com
> > > >
> > > >
> > > >
> > > >
>
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