Enterasys Matrix E1 1H582-25 Installation Manual page 70

Troubleshooting Checklist
Table 4-2 Troubleshooting Checklist (Continued)
Problem
Port(s) goes into
standby for no
apparent reason.
User parameters
(IP address,
device and
module name,
etc.) were lost
when the device
power was cycled
or the front panel
Reset button was
pressed.
4-6 Troubleshooting
Possible Cause
Loop condition detected.
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.
Clear NVRAM was set
using CLI commands.
Recommended Action
Verify that Spanning Tree is enabled. Refer
to Matrix E1 (1G582-09 and 1H582-51)
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.
Reenter the lost parameters as necessary.
Refer to Matrix E1 (1G582-09 and
1H582-51) Configuration Guide for the
instructions to configure the device using
CLI commands.
If the problem continues, contact
Enterasys Networks for technical support.