DFE-Gold Module Shutdown Procedure
4-6 Troubleshooting
DFE-Gold Module Shutdown Procedure

TheDFEGoldmodulesinstalledinaMatrix E7,MatrixN3,Matrix N5,orMatrix N7

chassisareinterdependentandoperateunderasingleIPaddressasasingle,distributed

switchsystem(hardware,databases,andpersistentstorage).Inthisoperating

environment,theDFEGoldmodulemustshutdowninanorderlyfashiontoensurethat

theothermodulesinthesystemandotherdevicesonthenetworkarenotifiedofthe

impendingchange.Thedevice(s)canthenmakeintelligentdecisionsthatensurethe

stabilityofthenetworkbeforethechangeismade,therebyincreasingnetwork

availability.

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 resolve loops.
If the problem continues, contact
EnterasysNetworks 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
that 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
EnterasysNetworks for technical support.

Table 4-2 Troubleshooting Checklist (continued)

Problem Possible Cause Recommended Action

Caution: Do not remove a DFE module from an operating chassis system before reading
the following information and instructions.
Precaución: Antes de retirar los módulos DFE del chasis en funcionamiento, lea las
siguientes instrucciones y la información suministrada.