Troubleshooting Checklist
4-6
Troubleshooting
Port(s) goes into
standby for no
apparent reason.
Loop condition detected.
1.
Verify that Spanning Tree is enabled.
Refer to
Matrix E7 Series and
SmartSwitch 6000 Series Modules Local
Management User’s Guide
for the
instructions to set the type of Spanning
Tree Algorithm (STA).
2.
Review the network design and delete
unnecessary loops.
3.
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
or the front panel
RESET button
was pressed.
1.
Position of Mode switch
(7), NVRAM Reset,
was changed sometime
before either cycling
power or pressing the
RESET button, causing
the user-entered
parameters to reset to
factory default settings.
2.
Clear NVRAM was set
through Local
Management.
1.
Reenter the lost parameters as necessary.
Refer to the
Matrix E7 Series and
SmartSwitch 6000 Series Modules Local
Management User’s Guide
for the
instructions to configure the device
through Local Management.
2.
If the problem continues, contact
Enterasys Networks for technical support.
Table 4-2
Troubleshooting Checklist (Continued)
Problem
Possible Cause
Recommended Action
