Enterasys Networks 4G4282-49 사용자 설명서

Troubleshooting Checklist

Matrix DFE-Gold Series Installation Guide 4-5

If the module is not working properly, refer to 

 for a checklist of problems, 

possible causes, and recommended actions to resolve the problem.

All LEDs are OFF.

Loss of power.

Ensure that the module was installed properly 
according to the installation instructions in 

, and that the host chassis is providing 

power.

No Local 
Management 
Password screen.

Incorrect terminal setup. Refer to the Matrix DFE-Gold Series Configuration 

Guide for proper setup procedures.

Improper console cable 
pinouts.

Refer to 

 for proper COM port pinouts.

Corrupt firmware image, 
or hardware fault.

If possible, attempt to download the image to the 
module again. Refer to the section, “

,” on page B-1 for instructions on 

clearing NVRAM.

Cannot navigate 
beyond Password 
screen.

Improper username/ 
password combination 
entered.

If the username/password combination has been 
forgotten, refer to the section, “

,” on page B-1 for instructions on how to 

set the mode switch to reset the username/
password combination to the default values.

Cannot contact the 
module through 
in-band 
management.

IP address not 
assigned.

Refer to the Matrix DFE-Gold Series Configuration 
Guide for the IP address assignment procedure.

Port is disabled.

Enable port. Refer to the Matrix DFE-Gold Series 
Configuration Guide for instructions to enable/
disable ports.

Host Port policy and/or 
management VLAN is 
incorrectly configured, 
or not configured. 

Verify that a management VLAN exists and that it 
is associated with the Host Port.
Refer to the Matrix DFE-Gold Series Configuration 
Guide for information about Host Port and 
management VLAN configuration.

No link to device.

Verify that all network connections between the 
network management station and the module are 
valid and operating.
If the problem continues, contact 
Enterasys Networks for technical support.