Troubleshooting Checklist
4-4 Troubleshooting
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
Management
Password screen.
Incorrect terminal setup.
Refer to the
Enterasys Matrix DFE-Diamond/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 “
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 “
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
Enterasys Matrix DFE-Diamond/Platinum
Series Configuration Guide
for the IP address
assignment procedure.
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
standby for no
apparent reason.
Loop condition detected.
Verify that Spanning Tree is enabled. Refer to the
Enterasys Matrix DFE-Diamond/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.
Summary of Contents for Enterasys Diamond Distributed Forwarding Engine 7KR4297-02
Page 2: ......
Page 42: ...Completing the Installation 3 20 Installation ...
Page 50: ...Overview of DFE Diamond Module Shutdown Procedure 4 8 Troubleshooting ...
Page 64: ...Index 2 ...
