Cisco 3750 Stack IOS upgrade - TechRepublic
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December 19, 2005 at 05:10 AM
rajiv_venkat

Cisco 3750 Stack IOS upgrade

by rajiv_venkat . Updated 20 years, 6 months ago

Hi All,

Thanks in advance for the patience to go through this mail and providing solution.

One of the Cisco 3750 Stack which has 2 switches is crashing often. I logged a TAC with Cisco and they suggested to upgradation of IOS from Version 12.2(20)SE4 to 12.2(25)SE. As the current IOS is having bug CSCef17367.
But the problem iam facing is regarding the upgradation of IOS to the switches.
Flash Memory details is as below.
Flash0: 15998976 bytes total (8183296 bytes free)
Flash1: 15998976 bytes total (4215808 bytes free)
I have downloaded appropriate IOS and the size that TAR file is 8.150 MB. ( Tar file because iam using archive download-sw command,) with the above space in flash i can’t use /leave-old-sw option.
My question with above available memory can i use /overwrite option ? Memory will not be a any constraint ? should i erase existing IOS ? I don’t want i switch will upgrade IOS and other not.
Rajiv

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