Enterasys Networks 2G4082-25, 9034310-01 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 Enterasys Matrix DFE-Diamond/Platinum
Management		Series Configuration Guide for proper setup
Password screen.		procedures.
	Improper console cable	Refer to Appendix A for proper COM port pinouts.
	pinouts.
	Corrupt firmware image, or	If possible, attempt to download the image to the
	hardware fault.	module again. Refer to the section, “Setting the Mode
		Switches,” on page B-1 for instructions to clear
		NVRAM.
Cannot navigate	Improper username/	If the username/password combination has been
beyond Password	password combination	forgotten, refer to the section, “Setting the Mode
screen.	entered.	Switches,” on page B-1 for instructions on how to set
		the mode switch to reset the username/password
		combination to the default values.
Cannot contact the	IP address not assigned.	Refer to the Enterasys Matrix DFE-Diamond/Platinum
module through		Series Configuration Guide for the IP address
in-band		assignment procedure.
management.
	Port is disabled.	Enable port. Refer to the Enterasys Matrix DFE-
		Diamond/Platinum Series Configuration Guide for
		instructions to enable/disable ports.

Host Port policy and/or management VLAN is incorrectly configured, or not configured.

Verify that a management VLAN exists and that it is associated with the Host Port.

Refer to the Enterasys Matrix DFE-Diamond/Platinum Series Configuration 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.
Port(s) goes into	Loop condition detected.	Verify that Spanning Tree is enabled. Refer to the
standby for no		Enterasys Matrix DFE-Diamond/Platinum Series
apparent reason.		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.

4-4 Troubleshooting