Enterasys Networks 2G4082-25, 9034310-01 manual Troubleshooting Checklist

Page 44

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

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Contents
Enterasys Matrix Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Enterasys NETWORKS, INC. Firmware License Agreement Vii Viii Contents Tables Appendix a SpecificationsIndex Important Notice About This GuideWho Should Use This Guide How to Use This Guide Related DocumentsConventions Used in This Guide Getting HelpGetting Help Introduction Overview of DFE Series CapabilitiesDFE-Platinum Module 2G4082-25DFE Switch Configuration Using WebView Switch Configuration Using CLI CommandsNetwork Expansion Module NEM Option ConnectivityStandards Compatibility Lanview Diagnostic LEDsSecure Networks Policy Support Lanview Diagnostic LEDs Introduction Network Requirements Link Aggregation10BASE-T Network 100BASE-TX Network1000BASE-T Network 1000BASE-SX/LX/ELX NetworkInstallation Unpacking the DFE-Platinum Module Installing Optional Network Expansion ModulesInstalling Module into Matrix E7 or N7 Chassis Installation PreparationCard guides Installing Module into Matrix N1, N3, or N5 Chassis Connecting to the Network Connecting UTP CablesConnecting a Twisted Pair Segment to the DFE-Platinum Module RX+ TX1+ RX1 TX2+ TX3+ RX3 RX2 TX4+ RX4 Connecting to an IBM PC or Compatible Device Connecting to COM Port for Local ManagementWhat Is Needed Connecting to a VT Series Terminal Connecting an IBM PC or CompatibleConnecting to a Modem Connecting a VT Series TerminalAdapter Wiring and Signal Assignments DB9Modem Port Adapter Wiring and Signal Diagram Completing the Installation of a New System First-Time Log-In Using a Console Port ConnectionLogging in with an Administratively-Configured User Account 11 Matrix DFE Startup Screen Example N7 ChassisTroubleshooting Using LanviewAbout the Management Mgmt LED Viewing the Receive and Transmit ActivityLED Alternating 67% on, 33% off Troubleshooting Checklist Series Configuration Guide for proper setupOverview of DFE-Platinum Module Shutdown Procedure Recommended Shutdown Procedure Specifications DFE-Platinum Module SpecificationsCOM Port Pinout Assignments Regulatory ComplianceRequired Tools Mode Switch Bank Settings Optional InstallationsSetting the Mode Switches Memory Locations and Replacement Procedures Figure B-1 Mode Switch Location on 2G4082-25Removing the Dimm from 2G4082-25 Flash Dimm Replacement ProcedureLocation of Memory Modules Figure B-3 NEM Removal and Dimm Connector Location Installing the Dimm DimmRemoving the Dram Simm Dram Simm Replacement ProcedureInstalling the Dram Simm Figure B-7 Installing the Dram Simm Page Index NumericsIndex-2
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