Enterasys Matrix E1 1G694-13 Installation Manual page 58

Troubleshooting Checklist
Table 4-2 Troubleshooting Checklist (Continued)
Problem
Cannot contact
the switch
through in-band
management.
Port(s) goes into
standby for no
apparent reason.
User parameters
(IP address,
device and
module name,
etc.) were lost
when the switch
power was cycled
or the front panel
Reset button was
pressed.
4-6 Troubleshooting
Possible Cause
IP address not assigned.
Port is disabled.
No link to device.
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
Refer to the Matrix E1 1G694-13
Configuration Guide for the IP address
assignment procedure.
Enable port. Refer to the Matrix E1
1G694-13 Configuration Guide for
instructions to enable/disable ports.
Verify that all network connections between
the network management station and the
switch are valid and operating.
If the problem continues, contact
Enterasys Networks for technical support.
Verify that Spanning Tree is enabled. Refer to
Matrix E1 1G694-13 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 1G694-13 Configuration
Guide for the instructions to configure the
device through Local Management.
If the problem continues, contact
Enterasys Networks for technical support.