12.3(6) flash memory requirements?

12.3(6) flash memory requirements?

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12.3(6) flash memory requirements? Erik Jensen 07-16-2004
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Posted by Erik Jensen on July 16, 2004, 9:42 am
I have a Cisco 2514 router, and am trying to update the IOS image to
12.3(6)b. The file name is c2500-is-l.123-6b.bin. The router is
currently running 11.2(17). It has 16mb flash and 16mb dram. The
problem is the IOS image file is 16942788 bytes (bigger than 16mb).

It is my understanding that the 12.x IOS images are meant to run on
cross-platforms (including the 2500 series). Is there a way to
compress the image file?

Any help would be greatly appreciated!
thanks
-erik


Posted by Doug McIntyre on July 17, 2004, 4:46 am
esj@tpri.com (Erik Jensen) writes:
>I have a Cisco 2514 router, and am trying to update the IOS image to
>12.3(6)b. The file name is c2500-is-l.123-6b.bin. The router is
>currently running 11.2(17). It has 16mb flash and 16mb dram. The
>problem is the IOS image file is 16942788 bytes (bigger than 16mb).

>It is my understanding that the 12.x IOS images are meant to run on
>cross-platforms (including the 2500 series). Is there a way to
>compress the image file?

Since the act of uncompressing the image file on a 2500 in order to
run it would take over more DRAM than exists, how would this be
accomplished? Its gotta be uncompressed to some memory storage
somewhere..

There are a few models of the 2500's that can do 18MB of Flash, (2M
built onboard, plus a 16MB add-on SIMM) obviously this image must be
tailored for them. You probably want to back off a bit for the 2500,
it has been practically EOL'd for some time.
--
Doug McIntyre                                                merlyn@visi.com
Network Engineer/Jack of All Trades
Vector Internet Services, Inc.


Posted by Erik Jensen on July 20, 2004, 8:50 am
Doug,
Don't you mean a total of 18mb of DRAM, not FLASH. I have two
8mb simms of FLASH and one 16mb simm of DRAM and it is my
understanding that there is 2mb of built-in DRAM.


> esj@tpri.com (Erik Jensen) writes:
> >I have a Cisco 2514 router, and am trying to update the IOS image to
> >12.3(6)b. The file name is c2500-is-l.123-6b.bin. The router is
> >currently running 11.2(17). It has 16mb flash and 16mb dram. The
> >problem is the IOS image file is 16942788 bytes (bigger than 16mb).
>
> >It is my understanding that the 12.x IOS images are meant to run on
> >cross-platforms (including the 2500 series). Is there a way to
> >compress the image file?
>
> Since the act of uncompressing the image file on a 2500 in order to
> run it would take over more DRAM than exists, how would this be
> accomplished? Its gotta be uncompressed to some memory storage
> somewhere..
>
> There are a few models of the 2500's that can do 18MB of Flash, (2M
> built onboard, plus a 16MB add-on SIMM) obviously this image must be
> tailored for them. You probably want to back off a bit for the 2500,
> it has been practically EOL'd for some time.


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