Troubleshooting Checklist

Troubleshooting Checklist

If the module is not working properly, refer to Table 4‐2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.

Table 4-2 Troubleshooting Checklist

Problem

Possible Cause

Recommended Action

 

 

 

All LEDs are OFF.

Loss of power.

Ensure that the module was installed properly

 

 

according to the installation instructions in Chapter 3,

 

 

and that the host chassis is providing power.

 

 

 

No Local

Incorrect terminal setup.

Refer to the Enterasys Matrix DFE-Diamond/Platinum

Management

 

Series Configuration Guide for proper setup

Password screen.

 

procedures.

 

 

 

 

Improper console cable

Refer to Appendix A for proper COM port pinouts.

 

pinouts.

 

 

 

 

 

Corrupt firmware image, or

If possible, attempt to download the image to the

 

hardware fault.

module again. Refer to the section, “Setting the Mode

 

 

Switches,” on page B-1 for instructions to clear

 

 

NVRAM.

 

 

 

Cannot navigate

Improper username/

If the username/password combination has been

beyond Password

password combination

forgotten, refer to the section, “Setting the Mode

screen.

entered.

Switches,” 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

IP address not assigned.

Refer to the Enterasys Matrix DFE-Diamond/Platinum

module through

 

Series Configuration Guide for the IP address

in-band

 

assignment procedure.

management.

 

 

Port is disabled.

Enable port. Refer to the Enterasys Matrix DFE-

 

 

 

Diamond/Platinum 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 Enterasys Matrix DFE-Diamond/Platinum 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.

 

 

 

Port(s) goes into

Loop condition detected.

Verify that Spanning Tree is enabled. Refer to the

standby for no

 

Enterasys Matrix DFE-Diamond/Platinum Series

apparent reason.

 

Configuration Guide for the instructions to set the type

 

 

of STA.

 

 

Review the network design and delete unnecessary

 

 

loops.

 

 

If the problem continues, contact Enterasys Networks

 

 

for technical support.

4-4 Troubleshooting

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Enterasys Networks 2G4082-25, 9034310-01 manual Troubleshooting Checklist, Series Configuration Guide for proper setup