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Saturday, February 4, 2012

%C6K_PLATFORM-0-UNKNOWN_CHASSIS - 7600 stuck in RoMMon

We have a 7600 with ws-sup750 and when it boots it displays these errors:

Cisco IOS Software, s72033_sp Software (s72033_sp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXH2a, RELEASE SOFTWARE (fc2)

Firmware compiled 07-Apr-08 22:12 by integ Build [100]

00:00:05: %C6K_PLATFORM-0-UNKNOWN_CHASSIS: The chassis type is not known.(0x6003)

%Software-forced reload

22:49:38 UTC Thu Apr 28 2011: Breakpoint exception, CPU signal 23, PC = 0x41183348

--------------------------------------------------------------------
Possible software fault. Upon reccurence, please collect
crashinfo, "show tech" and contact Cisco Technical Support.
--------------------------------------------------------------------

Autoboot executing command: "boot bootdisk:/s72033-advipservicesk9_wan-mz.122-33.SXH2a.bin"
Loading image, please wait ...

Initializing ATA monitor library...

Then it got stuck in rommon, we tried using a 7200 pcmcia card (we downloaded the 7600 IOS there) but if we do from rommon boot disk0:

it complaints with :open: file "c7200-atafslib-m" not found
so, it does not boot.


On the 7600 chassis, you will need to use 12.2SR and not 12.2SX. SX is for 6500 switches, SR is for the 7600 routers.

Please click here for Cisco IOS Software Release 12.2SX Update

Please click here for the Release Notes of 12.2SR


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