Upgrade IOS Problem for C2960

Unanswered Question
Jan 6th, 2010
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There are three 2960 took this problem:

WS-C2960-48TC-S 12.2(25)  2

WS-C2960-24TC-S 12.2(25)  1


upgrade from 12.2(25) to 12.2(50)


upload the IOS by TFTP to flash:

boot system flash:****

wr

reload


Failed to get configuration
Invalid parameter block -- no mac address available.
Xmodem file system is available.


The system has been interrupted, or encountered an error
while non-volatile environment variables were being read
out of flash.  If you interrupted the system, it would be
a good idea to issue the reset command now, or the
environment variables may be lost.  The following
commands will initialize the flash filesystem, and finish
loading the operating system software:


    flash_init
    boot



switch: flash_init
Initializing Flash...
...no flash filesystems found.


than i try to type some command:


switch: dir


List of filesystems currently registered:


xmodem[0]: (read-only)
null[1]: (read-write)



switch: flash_init
Initializing Flash...
...no flash filesystems found.


switch:


i try to sent original IOS to null: filesystem and successed, but after reboot nothing happen...


is this a hardware problem? just like flash card get crashed....


any suggestion?


thanks and Best REgards

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Leo Laohoo Wed, 01/06/2010 - 21:32
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Recovery From Corrupt or Missing Software Image on Cisco Catalyst 2900XL and 3500XL Series Switches
http://www.cisco.com/en/US/products/hw/switches/ps607/products_tech_note09186a0080094955.shtml

sam_chang88 Wed, 01/06/2010 - 23:00
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switch: flash_init
Initializing Flash...
...no flash filesystems found.


no flash:

HOW to do the next?


I say the 2960, not 2900xl

Leo Laohoo Thu, 01/07/2010 - 13:15
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Type "i", press enter and try again.  Do you get any output when you type "?"?

PRAVEEN KUMAR GVK Sun, 08/21/2011 - 18:25
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hi


me to same problem i am using 2960 l2 switch


how can i upgrade




                                                thanks

Reza Sharifi Sun, 08/21/2011 - 18:48
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Parveen,

Are you trying to upgrade your IOS or your current IOS does not load?

sam_chang88 Mon, 08/22/2011 - 19:46
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only you can do that buy the service of smartnet for the 2960, and change the new one, back the old to factory.

PRAVEEN KUMAR GVK Thu, 05/17/2012 - 03:09
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hi



sam there is no ios in ur switch. u have to upload usig xodem in hypererminal.


i did the same it working fine.





regards

praveen kumar gvk.

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