Datasheet

Troubleshooting Checklist
Matrix DFE-Series Module Installation Guide 4-5
No Local
Management
Password screen.
Incorrect terminal setup. Refer to the Matrix DFE-Platinum 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 the section, “Setting the
Mode Switches,” on page B-1 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 the section, “Setting the Mode
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
module through in-
band
management.
IP address not
assigned.
Refer to the Matrix DFE-Platinum Series
Configuration Guide for the IP address
assignment procedure.
Port is disabled. Enable port. Refer to the Matrix DFE-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 Matrix DFE-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
standby for no
apparent reason.
Loop condition
detected.
Verify that Spanning Tree is enabled. Refer to the
Matrix DFE-Platinum Series 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.
Table 4-4 Troubleshooting Checklist (continued)
Problem Possible Cause Recommended Action