Stacking Dell PowerConnect Switches: 8132, 8132F, 8164, 8164F
5
Errors Downgrading Firmware
Before attempting to downgrade firmware on a stack to version 5.0.x.x, run the four steps above to
determine each stack members CPU version. Know that all CPUs in the stack must be version A1 for
the stack to successfully downgrade to 5.0.x.x. Attempting to downgrade to 5.0.x.x on a stack
containing B1 CPUs will result in the following errors on the console:
L7_LOGF(L7_LOG_SEVERITY_ERROR, L7_BSP_COMPONENT_ID, "Unit %d has a %s
processor, which requires firmware revision 5.1 or later.", unitIndex, cpuString);
When trying to downgrade a standalone B1 unit to firmware 5.0.x.x, the following error is displayed to
the console:
This unit or members of the stack require revision 5.1 or later firmware. This level of firmware is
also required when attaching these units to a stack.
To avoid errors, upgrade all PowerConnect 8100 stacks and stand-alone switches to 5.1.x.x or later.
Dell recommends running the latest firmware available for the switch. Find the latest firmware at
http://support.dell.com.
Note: Dell recommends that all PowerConnect switches are updated to the latest firmware.
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