Re: [nsp] 12.2T and 4500/4700?

From: Gert Doering (
Date: Thu Feb 28 2002 - 04:08:45 EST


On Wed, Feb 27, 2002 at 08:15:38PM -0600, wrote:
> Hmmm, I would be a little ticked myself if I was waiting for a feature and
> then when it is released it's not available for my platform. They do make
> it pretty clear in the announcment, however, that support for 12.2 cannot be
> guaranteed due to memory restrictions in the 4500 chassis. I guess they
> figured that since the same image runs on the 4500M and the 4700, there was
> no sense in releasing a 12.2 image that wouldn't run on the 4500M.

Bah. The 4700M can go to 16 Mb of flash and 64 Mb of RAM. While this is
a design mistake in itself, the biggest 12.2(2)T4 image available (a3jk8s)
is only 10 Mb in size and should run fine.

The 3620 has similar memory bounds, and additionally looses CPU memory to
IOmem (the 4700 doesn't), and it's still officially supported. What they
did for the 3620 - and I can understand and accept that - is to drop
rarely-used features (DECnet and such) from the 3620 images.

(But this point is actually moot - they never said they would release
12.2T for 4xxx. Nevertheless I feel cheated)


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Gert Doering - Munich, Germany                   
fax: +49-89-35655025              

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