Enterasys Networks 6H302-48 - Manual (Page 44)

Troubleshooting Checklist
4-6 Troubleshooting
Cannot contact
the module
through in-band
management. IP address not assigned. Refer to the appropriate Local Management
User’s Guide for the IP address assignment
procedure.
Port is disabled. Enable port. Refer to the appropriate Local
Management User’s Guide for instructions to
enable/disable ports.
No link to device. 1. Verify that all network connections
between the network management station
and the module are valid and operating.
2. If the problem continues, contact
Enterasys Networks for technical support.
Port(s) goes into
standby for no
apparent reason. Loop condition detected. 1. Verify that Spanning Tree is enabled. Refer
to the appropriate Local Management
User’s Guide for the instructions to set the
type of 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 appropriate 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