Enterasys SecureStack C2 C2G170-24 Hardware Installation Manual page 64

Troubleshooting Checklist
Table 4-1 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.
4-6 Troubleshooting
Possible Cause
IP address not assigned.
Port is disabled.
No link to device.
Loop condition detected.
Clear NVRAM was set using
CLI commands.
Recommended Action
Refer to the SecureStack C2 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 C2
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 C2 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 C2 Configuration Guide for the instructions to
configure the switch using CLI commands.
If the problem continues, contact Enterasys Networks for
technical support.