From: Jason1 (jason1@xxxxxxxxxx)
Date: Fri Mar 02 2001 - 01:35:19 GMT-3
I agree with David in this.. I suggest downgrading the IOS versions to say
11.2 , etc which is smaller and might be able to fit into your flash...
The 2500 works with compress image but will give errors when you run some
protocols, e.g BGP...etc.. I do have the compress util if someone wants
it...
----- Original Message -----
From: "David C Prall" <dcp@dcptech.com>
To: "CCIE Lab groupstudy.com" <ccielab@groupstudy.com>
Sent: Friday, March 02, 2001 11:37 AM
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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