Enterasys Networks 6H308-48, 4H4285-49, 9033989-06 manual Troubleshooting Checklist

Troubleshooting Checklist

Troubleshooting Checklist

If the module is not working properly, refer to Table 4‐2 for a checklist of problems, possible causes, and recommended actions to resolve the problem.

Table 4-2 Troubleshooting Checklist

Problem	Possible Cause	Recommended Action
All LEDs are OFF.	Loss of power.	Ensure that the module was installed properly
		according to the installation instructions in
		Chapter 3, and that the host chassis is providing
		power.
No Local	Incorrect terminal setup.	Refer to the Matrix DFE-Gold Series Configuration
Management		Guide for proper setup procedures.
Password screen.
	Improper console cable	Refer to Appendix A for proper COM port pinouts.
	pinouts.
	Corrupt firmware image,	If possible, attempt to download the image to the
	or hardware fault.	module again. Refer to “Setting the Mode
		Switches” on page B-2 for instructions to clear
		NVRAM.
Cannot navigate	Improper username/	If the username/password combination has been
beyond Password	password combination	forgotten, refer to Refer to “Setting the Mode
screen.	entered.	Switches” on page B-2 for instructions on how to
		set the mode switch to reset the username/
		password combination to the default values.

Cannot contact the module through in-band management.

IP address not	Refer to the Matrix DFE-Gold Series Configuration
assigned.	Guide for the IP address assignment procedure.
Port is disabled.	Enable port. Refer to the Matrix DFE-Gold Series
	Configuration Guide for instructions to enable/
	disable ports.
Host Port policy and/or	Verify that a management VLAN exists and that it
management VLAN is	is associated with the Host Port.
incorrectly configured,	Refer to the Matrix DFE-Gold Series Configuration
or not configured.
	Guide for information about Host Port and
	management VLAN configuration.
No link to device.	Verify that all network connections between the
	network management station and the module are
	valid and operating.
	If the problem continues, contact Enterasys
	Networks for technical support.

Matrix DFE-Gold Series PoE Module 4H4285-49 Installation Guide 4-7