Enterasys Matrix 7H4202-72 Hardware Installation Manual page 54

Troubleshooting Checklist
Table 4-2 Troubleshooting Checklist (continued)
Problem
Port(s) goes into
standby for no
apparent reason.
User parameters
(IP address, device
and module name,
etc.) were lost
when the module
power was cycled,
the front panel
OFFLINE/RESET
switch was
pressed.
4-6 Troubleshooting
Possible Cause
Loop condition
detected.
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
that was set through
Local Management.
The module was moved
either from slot-to-slot
or from chassis-to-
chassis.
Recommended Action
Verify that Spanning Tree is enabled. Refer to the
Enterasys 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.
Reenter the lost parameters as necessary. Refer
to the Enterasys Matrix DFE-Platinum Series
Configuration Guide for the instructions to
configure the device.
If the problem continues, contact Enterasys
Networks for technical support.