Cabletron Systems DLE52-MA User Manual page 64

Chapter 4 Troubleshooting
Possible Causes
The DLE02-MA
and the DLE52-MA
detect a looped
condition.
1. 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.
If these troubleshooting tables do not solve any problems that
occur with the DLE02-MA or the DLE52-MA, then contact your
DIGITAL representative. Refer to Getting Help, in the Preface of
this guide, for details.
4-10
Table 4-7 Device Setup Troubleshooting
Instruction
1. Verify that Spanning Tree is enabled. Refer to
Section 6.16.3 for instructions on setting the type of
STA.
2. Review network design and delete unnecessary
loops.
1. Reenter the lost parameters as necessary. Refer to
Chapter 5 for instructions on configuring the device
through Local Management.
2. Call your DIGITAL representative if problem
continues.
DLE02-MA/DLE52-MA User's Guide