Troubleshooting Checklist
4-8 Troubleshooting
Port(s) goes into
standby for no
apparent reason.
Loop condition
detected.
Verify that Spanning Tree is enabled. Refer to the
Matrix DFE-Gold 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.
User parameters
(IP address, device
and module name,
and so forth) were
lost when the
module power was
cycled, the front
panel OFFLINE/
RESET switch was
pressed.
Position of Mode switch
(7), Persistent Data
Reset, was changed
sometime before either
cycling power or
pressing the OFFLINE/
RESET switch, causing
the user-entered
parameters to reset to
factory default settings.
Clear Persistent Data
was set through Local
Management.
The module was moved
either from slot-to-slot
or from chassis-to-
chassis.
Reenter the lost parameters as necessary. Refer
to the Matrix DFE-Gold Series Configuration
Guide for the instructions to configure the device.
If the problem continues, contact Enterasys
Networks for technical support.
Table 4-2 Troubleshooting Checklist (continued)Problem Possible Cause Recommended Action