Enterasys Networks matrix 4h4282-49 Manuel D’Utilisation

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 
Enterasys 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, 
etc.) 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 Enterasys Matrix DFE-Gold Series 
Configuration Guide for the instructions to 
configure the device.
If the problem continues, contact Enterasys 
Networks for technical support.