Table of Contents
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TROUBLESHOOTING CHECKLIST
If the module is not working properly, refer to Table
possible causes, and recommended actions to resolve the problem.
Table 4-3 Troubleshooting Checklist
Problem
All LEDs are OFF.
No Local
Management
Password screen.
Cannot navigate
beyond Password
screen.
Cannot contact the
module through
in-band
management.
Possible Cause
Loss of power.
Incorrect terminal setup. Refer to the Enterasys Matrix DFE-Platinum
Improper console cable
pinouts.
Corrupt firmware image,
or hardware fault.
Improper username/
password combination
entered.
IP address not
assigned.
Port is disabled.
Host Port policy and/or
management VLAN is
incorrectly configured,
or not configured.
No link to device.
Enterasys Matrix DFE-Platinum Series Hardware Installation Guide
4‐3 for a checklist of problems,
Recommended Action
Ensure that the module was installed properly
according to the installation instructions in
Chapter
3, and that the host chassis is providing
power.
Series Configuration Guide for proper setup
procedures.
Refer to
Appendix A
for proper COM port pinouts.
If possible, attempt to download the image to the
module again. Refer to the section,
Mode Switches,"
on page B-1 for instructions to
clear NVRAM.
If the username/password combination has been
forgotten, refer to the section,
Switches,"
on page B-1 for instructions on how to
set the mode switch to reset the username/
password combination to the default values.
Refer to the Enterasys Matrix DFE-Platinum
Series Configuration Guide for the IP address
assignment procedure.
Enable port. Refer to the Enterasys Matrix DFE-
Platinum Series Configuration Guide for
instructions to enable/disable ports.
Verify that a management VLAN exists and that it
is associated with the Host Port.
Refer to the Enterasys Matrix DFE-Platinum
Series Configuration Guide for information about
Host Port and management VLAN configuration.
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.
Troubleshooting Checklist
"Setting the
"Setting the Mode
4-5
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Table of Contents
Troubleshooting
