I've upgraded 515's and 520's with as little as 32MB (and in a failover configuration) to version 5.1.4 so you should be fine. I would suggest first to try downloading the 5.1.4 image again. You may just have a corrupt binary.
I'm sure you are also using the 5.1.4 boot helper diskette to boot off of floppy to then reference your tftp server - correct?
Let me know how it goes,
Ian
-----Original Message-----
From: Lim, Jason Jason.Lim@cwasia.net
Sent: Wed, 20 Dec 2000 15:42:08 +0800
To: cisco-nsp@puck.nether.net
Subject: [nsp] firmware upgrade on PIX 520
Hello guys,
I have two cisco PIX 520 with 128M ram that are running firmware of 4.4(1).
The two PIX is running with a failover configuration. I have tried to
upgrade the 5.1(4).From the documentations, it recommands a progressive
upgrade before jumping to 5.1(4). I am succesful in upgrading it to 4.4(5).
Since 5.1(4) meet the minimum memory requirement, next I tried to upgrade to
5.1(4). But when the installation is completed, it give an error message of
"CHECKSUM error"
Does this mean that the PIX is not upgradable to this version ? Also I would
like to know the minmum upgrade patch that is needed to patch any security
flaw in 4.4(1)
Thanks!
Regards
Jason
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