DFE with Red CPU LED when installed in 7C111 ('N1') Chassis

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Article ID: 5604 

Products
DFE
Firmware 5.11.29 and lower
7C111 

Changes
Installed DFE blade into N1 chassis 

Symptoms
Won't boot
Red CPU LED 

Cause
DFE modules require firmware version 5.12.02 or higher to work properly in a 7C111 chassis. 

When a DFE module with an earlier version of firmware is installed, the module will not boot, and will display a red CPU LED. 

Note: The 7C111, aka the "Matrix N1", is a one-slot DFE chassis with two integrated power supplies and six integrated fans. The only modular aspect is the single DFE blade supported. 

Solution
Upgrade to firmware 5.12.02 or higher. 

Since the module is not fully operational in the 7C111 chassis, this will require using the serial download (Zmodem) method or temporarily moving the module to a multi-slot support chassis to perform a TFTP/FTP download (5040). 

The Zmodem upgrade procedure is explained in the "Downloading via the Serial Port" section of the Matrix DFE Series Configuration Guide

Contact Enterasys Networks Technical Services for further assistance, as necessary.
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Posted 5 years ago

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