Troubleshooting checklist, Troubleshooting checklist -7 – Enterasys Networks Enterasys Gold Distributed Forwarding Engine 4H4285-49 User Manual
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Troubleshooting Checklist
Matrix DFE-Gold Series PoE Module 4H4285-49 Installation Guide 4-7
Troubleshooting Checklist
If the module is not working properly, refer to
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
, 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
Appendix A
for proper COM port pinouts.
Corrupt firmware image,
or hardware fault.
If possible, attempt to download the image to the
module again. Refer to
on page B-2 for instructions to clear
NVRAM.
Cannot navigate
beyond Password
screen.
Improper username/
password combination
entered.
If the username/password combination has been
forgotten, refer to Refer to
on page B-2 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.