Troubleshooting Checklist - Enterasys SecureStack C3K122-24 Hardware Installation Manual

Troubleshooting Checklist

If the device is not working properly, refer to Table
and recommended actions to resolve the problem.
Table 3-2 Troubleshooting Checklist
Problem Possible Cause
All LEDs are OFF. Loss of power.
No local Incorrect terminal setup.
management
startup screen.
Improper Console cable
pinouts.
Corrupt firmware image, or
hardware fault.
Cannot navigate Improper Community Names
beyond startup Table.
screen.
Cannot contact the IP address not assigned.
switch through in-
band management.
Port is disabled.
No link to device.
Port(s) goes into Loop condition detected.
standby for no
apparent reason.
User parameters (IP Clear NVRAM was set using
address, device and CLI commands.
module name, etc.)
were lost when the
switch power was
cycled.
3‐2 for a checklist of problems, possible causes,
Recommended Action
Ensure that the switch was installed properly according to
the installation instructions in
Ensure that the power cords are connected properly to an
active power source that meets the AC input specifications
for this switch.
Ensure that the AC power cord is not damaged. Replace the
power cord with a known good one.
Refer to the SecureStack C3 Configuration Guide for proper
setup procedures.
Refer to Appendix A for proper Console port pinouts.
If possible, attempt to download the image to the device
again. Refer to the SecureStack C3 Configuration Guide for
details.
Refer to the SecureStack C3 Configuration Guide for the
Community Names Table setup.
Refer to the SecureStack C3 Configuration Guide for the IP
address assignment procedure.
This is normal if the switch is a Member in a stack.
If operating as a standalone switch or as the Manager in a
stack, enable the port. Refer to the SecureStack C3
Configuration Guide for instructions to enable/disable ports.
Verify that all network connections between the network
management station and the device are valid and operating.
If the problem continues, contact Enterasys Networks for
technical support.
Verify that Spanning Tree is enabled. Refer to the
SecureStack C3 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 the
SecureStack C3 Configuration Guide for the instructions to
configure the switch using CLI commands.
If the problem continues, contact Enterasys Networks for
technical support.
SecureStack C3K Hardware Installation Guide 3-5
Troubleshooting Checklist
Chapter 2.