Enterasys Matrix 7H4385-49 Installation Guide download pdf (Page 48)

Troubleshooting Checklist

4-4 Troubleshooting

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

Management

Password screen.

Incorrect terminal setup. Refer to the Enterasys Matrix DFE-Platinum Series

Configuration Guide for proper setup procedures.

Improper console cable

pinouts.

Refer to Appendix A for proper COM port pinouts.

Corrupt firmware image,

or hardware fault.

If possible, attempt to download the image to the

module again. Refer to “Setting the Mode Switches” on

page B-1 for instructions to clear NVRAM.

Cannot navigate

beyond Password

screen.

Improper username/

password combination

entered.

If the username/password combination has been

forgotten, refer to “Setting the Mode 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

module through

in-band

management.

IP address not assigned. Refer to the Enterasys Matrix DFE-Platinum Series

Configuration Guide for the IP address assignment

procedure.

Port is disabled. Enable port. Refer to the Enterasys Matrix DFE-

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-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

standby for no

apparent reason.

Loop condition detected. Verify that Spanning Tree is enabled. Refer to the

Enterasys Matrix DFE-Platinum Series 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.

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