Sure, you could pull the flash entirely, or put IP-only for basic
functionality on a minimum size flash. Considering how relatively expensive
flash memory is, and how cheap (most) DRAM is, most student labs probably do
exactly that -- or compress the IOS image on a 2500 series to conserve flash
space. Of course, in a production environment where you _should_ be able to
afford the proper configuration and feature set, this would be a career
limiting move. And, even when it all works, it's still a bit slower than a
flash boot.
-jon-
-----Original Message-----
From: Pierre-Alex [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 13, 2000 9:47 AM
To: Cisco
Subject: RE: Flash DRAM IOS
No, I am not a risk taker.
As a Cisco instructor, I may be asked this question in the future.
So is it technical possible to run a router with less Flash than required if
you load from a TFTP server?
-----Original Message-----
From: Stull, Cory [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 13, 2000 8:40 AM
To: 'Pierre-Alex'
Subject: RE: Flash DRAM IOS
So you can sleep at night. Lets say you have a power outage. Your router
will most likely boot up way before your tftp server... Router will give up
trying to do its netload / tftp and boot from rom. Then when your tftp
server finishes booting back up it will be too late.
UPS you say? Most UPS's only last for half hour to an hour tops. Are you a
gambling man?
My 02 cents.
Cory
-----Original Message-----
From: Pierre-Alex [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, December 13, 2000 5:01 AM
To: Cisco
Subject: Flash DRAM IOS
Say you have a router with 8 meg of Flash which requires 16 to run an IOS.
Given that you can upload the IOS from a TFTP server directly into DRAM why
would you need to upgrade flash?
Pierre
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