Enterasys Networks A2H254-16 manual Configuration Guide for the IP address

Page 69

 

 

 

Troubleshooting Checklist

 

 

Table 4-2 Troubleshooting Checklist (continued)

 

 

 

 

 

 

 

Problem

Possible Cause

Recommended Action

 

 

 

 

 

 

 

Cannot contact the

IP address not assigned.

Refer to the SecureStack A2

 

 

SecureStack A2

 

Configuration Guide for the IP address

 

 

through in-band

 

assignment procedure.

 

 

management.

 

 

 

 

Port is disabled.

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 A2

 

 

 

 

Configuration Guide for instructions to

 

 

 

 

enable/disable ports.

 

 

 

 

 

 

 

 

No link to switch.

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.

 

 

 

 

 

 

 

Port(s) goes into

Loop condition detected.

Verify that Spanning Tree is enabled.

 

 

standby for no

 

Refer to the SecureStack A2

 

 

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.

 

 

 

 

 

 

 

User parameters (IP

Clear NVRAM was set using

Reenter the lost parameters as

 

 

address, switch and

CLI commands.

necessary. Refer to the SecureStack A2

 

 

module name, etc.)

 

Configuration Guide for the instructions to

 

 

were lost when the

 

configure the SecureStack A2 using CLI

 

 

SecureStack A2

 

commands.

 

 

power was cycled.

 

If the problem continues, contact

 

 

 

 

 

Enterasys Networks for technical support.

User powered the switch off before the configuration was saved (configuration changes on the A2 are internally saved every two minutes).

Execute the “save config” command, and wait for the prompt to come back before Powering the switch off.

Executing the “reset” command automatically saves the config before resetting the switch.

SecureStack A2 Installation Guide 4-7

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Contents SecureStack A2 Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Safety Information Class 1 Laser Transceivers Declaration of Conformity Enterasys Networks, Inc Firmware License Agreement Vii Viii Contents Troubleshooting Figures Xii Who Should Use This Guide About This GuideRelated Documents How to Use This GuideFollowing conventions are used in this guide Conventions Used in This GuideConventions Used in This Guide Xvi About This Guide Overview IntroductionA2H254-16 Stack Connections Redundant Power Supply CapabilityDescription of Mini-GBICs ConnectivitySwitch Configuration Using WebView Lanview Diagnostic LEDsSwitch Configuration Using CLI Commands ManagementGetting Help 10BASE-TX Twisted Pair Network Network Requirements100BASE-TX Twisted Pair Network 1000BASE-T Twisted Pair Gigabit Ethernet Network100BASE-FX Multimode Fiber-Optic Network 1000BASE-FX Fiber-Optic Network 1000BASE-FX Fiber-Optic Network Network Requirements Hardware Installation Unpacking the Switch Considerations Prior to InstallationContents of Switch Carton Required ToolsPreparation Installing Optional Mini-GBICsInstallation Mini-GBIC with MT-RJ Connector Removing the Mini-GBIC Mini-GBIC with LC ConnectorInstalling the Rubber Feet Installing the Switch on a Flat SurfaceChassis Bottom, Rubber Feet Placement Guidelines for Flat Surface InstallationArea Guidelines for Switch Installation on Flat Surface Rack Mounting the SwitchAttaching Brackets and Installing in Rack Guidelines for Rackmount InstallationFastening the Switch to the Rack Connecting Stacking CablesAbout SecureStack A2 Switch Operation in a Stack Configuring Switches in a StackConfiguring Switches in a Stack Installing a New Stackable System of Up to Eight Switches Recommended Procedures for New and Existing StacksAC Power Connecting AC and RPS-SYS PowerSwitch Rear View 10 Accessing the RPS Connector C2RPS-SYS Redundant Power SystemConnecting to Console Port for Local Management What Is NeededStack Initialization Overview DB9 Male Console Port Pinout Assignments Connecting to an IBM or Compatible Device12 Connecting an IBM PC or Compatible Connecting to a VT Series Terminal13 Connecting a VT Series Terminal Connecting to a Modem14 Connecting to a Modem Connecting Fiber-Optic Cables to Fixed MT-RJ Ports Connecting to the Network15 Connecting a Fiber-Optic Cable Segment to MT-RJ Port Connecting Fiber-Optic Cables to MT-RJ Mini-GBIC Ports Connecting to the Network Connecting Fiber-Optic Cables to LC Mini-GBIC Ports Connecting to the Network 16 Connecting a UTP Cable Segment to RJ45 Port Connecting UTP Cables to RJ45 PortsConnecting to the Network 17 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX TX1+ RX1 TX2+ TX3+ RX3 RX2 TX4+ RX4 Initial Logon to Switch Management Completing the InstallationCompleting the Installation Hardware Installation This chapter provides information concerning the following TroubleshootingLanview LEDs of A2H254-16 Using LanviewColor State Recommended Action Lanview LEDsDown RPS Configuration Guide for proper setup Troubleshooting ChecklistConfiguration Guide for the IP address Reset Password Button Using the Reset Password ButtonSpecifications Switch SpecificationsTable A-1 A2H254-16 Switch Specifications Environmental PhysicalTable A-2 Mini-GBIC Input/Output Port Specifications Mini-GBIC Input/Output SpecificationsGigabit Ethernet Specifications MGBIC-LC01/MGBIC-MT01 Specifications 1000BASE-SXMGBIC-LC03 Specifications 1000BASE-SX MGBIC-LC09 Specifications 1000BASE-LX MGBIC-02 Specifications 1000BASE-T MGBIC-08 Specifications 1000BASE-ELXTable A-9 MGBIC-08 Optical Specifications Table A-11 MGBIC-02 SpecificationsConsole Port Pinout Assignments Regulatory ComplianceTable A-12 Compliance Standards Regulatory Compliance Regulatory Compliance Specifications Numerics IndexIndex-2