Enterasys Networks A2H123-24 manual Configuration Guide for the IP address

Page 59

 

 

 

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.

SecureStack A2 Installation Guide 4-7

Image 59
Contents SecureStack A2 Page Page Regulatory Compliance Information Electromagnetic Compatibility EMC Supplement to Product Instructions Vcci Notice Declaration of Conformity Enterasys NETWORKS, INC. Firmware License Agreement Viii Page Page Contents Figures Tables Xiv Who Should Use This Guide About This GuideRelated Documents How to Use This GuideFollowing conventions are used in this guide Conventions Used in This GuideSupport@enterasys.com Getting HelpOverview A2H123-24 SwitchA2H123-24 Stackable Switch Management Redundant Power Supply CapabilitySwitch Configuration Using WebView ConnectivityStandards Compatibility Lanview Diagnostic LEDsSwitch Configuration Using CLI Commands 10BASE-T Network Network Requirements1000BASE-T Network 100BASE-TX Network100BASE-FX Network Hardware Installation Required Tools Considerations Prior to InstallationUnpacking the Switch Installing the Rubber Feet Installing the Switch on a Flat SurfaceChassis Bottom, Rubber Feet Placement Area Guidelines for Switch Installation on Flat Surface Guidelines for Flat Surface InstallationAttaching Brackets and Installing in Rack Rack Mounting the SwitchGuidelines for Rackmount Installation Attaching the Rackmount Brackets Connecting Stacking CablesStacking Cable Connections About SecureStack A2 Switch Operation in a Stack Configuring Switches in a StackInstalling a New Stackable System of Up to Eight Switches Recommended Procedures for New and Existing StacksAdding a New Switch to an Existing Stack AC Power Connecting AC and RPS-SYS PowerSwitch Rear View RPS coverplate Screw holes for coverplate C2RPS-SYS Redundant Power SystemStack Initialization Overview Connecting to Console Port for Local ManagementWhat Is Needed Parameter Setting Connecting to an IBM or Compatible DeviceConnecting an IBM PC or Compatible Connecting to a VT Series Terminal10 Connecting a VT Series Terminal Connecting to a ModemConnecting UTP Cables Connecting to the Network12 Connecting a UTP Cable Segment to RJ45 Port 13 Four-Wire Crossover Cable RJ45 Pinouts for 10/100BASE-TX 15 Eight-Wire Crossover Cable RJ45 Pinouts for 1000BASE-TX Connecting Fiber-Optic Cables to LC Ports 17 Cable Connection to LC Fiber-Optic Connectors Initial Logon to Switch Management Completing the InstallationCompleting the Installation Hardware Installation Troubleshooting Lanview LEDs of A2H123-24 Using LanviewLED 26/Stack Off RPS Configuration Guide for proper setup Troubleshooting ChecklistConfiguration Guide for the IP address Reset Switch Using the Reset SwitchSwitch Specifications SpecificationsPhysical Console Port Pinout Assignments Fiber-Optic SpecificationsRegulatory Compliance Torque Values