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Troubleshooting Checklist
4-10 Troubleshooting
Table 4-7 Device Setup Troubleshooting
Possible Causes Instruction
The module detects a
looped condition.
1. Verify that Spanning Tree is enabled. Refer to the Local
Management User’s Guide for instructions on setting the type
of STA.
2. Review network design and delete unnecessary loops.
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.
1. Reenter the lost parameters as necessary. Refer to your Local
Management User’s Guide for instructions on configuring the
device through Local Management.
2. Call Cabletron Systems if the problem continues.
Clear NVRAM was set
through Local
Management.
1. Reenter the lost parameters as necessary. Refer to the Local
Management User’s Guide for instructions on configuring the
device through Local Management.
2. Call Cabletron Systems if the problem continues.
NOTE
If these troubleshooting tables do not solve any problems that occur with the 6H203-24
or 6H253-13, contact Cabletron Systems. Refer to Section 1.2, for details.