HP SuperStack 3 Load Balancer Appliance manual Problem Suggested Solution

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22CHAPTER 2: INSTALLING THE SERVER LOAD BALANCER

Solving Problems Table 7 contains a list of problems and suggested solutions if the LEDs

Indicated by LEDs indicate a problem. For Technical Support information, see Appendix C.

Table 7 Problems Indicated by LEDs

Problem

Suggested Solution

The Power LED does Check that the power cable is firmly connected to the

not lightrelevant unit and to the supply outlet. If the connection is secure and there is still no power, you may have a faulty power cord.

On powering-up, the Power/Self Test LED lights yellow

A link is connected and yet the Status LED for the port does not light

The relevant unit has failed its Power On Self Test (POST) because of an internal problem. Contact your supplier for advice.

Check that:

■All connections are secure.

■The devices at both ends of the link are powered-up.

■The devices at both ends of the link have the same auto-negotiation setting, i.e. both enabled, or both disabled.

■The quality of cable is satisfactory.

■The correct type of cable (crossover or straight-through) is used.

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Contents SuperStack 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Setting UP for Management Technical Specifications and PIN-OUTS 3Com Knowledgebase Web Services About this Guide Icon Description ConventionsConvention Description Registration Related DocumentationProduct DocumentationAbout this Guide Balancer Server Load Balancer Feature Server Load Balancer Plus MemoryFeature Server Load Balancer Plus Algorithms 12 10/100 LAN PortsServer Load Balancer Front View Detail10/100BASE-T Port Status LEDs Color Indicates Power/Self Test LEDPower LED 1000BASE-SX Port Status LEDsPower Socket Balancer Rear View DetailDocumentation shipped with the power system Advanced Redundant Power System outputType 3 Power Module, read the Safety Information section Disconnecting the power cordInstalling the Server Load Installing the Server Load Balancer Rack-mounting Server Load Balancer if they have been fittedPlacing Units On ChoosingCorrect Cables Top of Each OtherPowered-up and ready for operation Power-upSequence Problem Suggested Solution On powering-up, the Power/Self Test LED lights yellowSetting UP for Management Assigning an IP Methods Managing Server Load BalancerAddress SEC Setting UP for Management Interface Security Warning Window To install the plug-in, complete the following steps Web Interface pages appearsInterfacesteps Network Password window appearsAfter a management session Banner Using the Web InterfaceWeb interface is made up of three areas Navigation TreeSystem Summary Summary information is displayed in a two tablesDevice Summary Port Hotspots Unit HotspotControl Buttons Color ActionLogical View Button Action Help View Management Setting up SnmpTrap Community String field is defaulted to public SpecifyingOperating Software UpgradingLoad Balancer Working with the WEB Interface Server Load Balancing Example ConfigurationBalancing Approximately double the performance of Server BConfiguring for Non-redundant Server Load Balancing Click Next. The Getting Started Password page appears Configuring Redundant Redundant Server Balancer 1 and is configured for the same serviceLoad Balancing Redundancy Configuring forActive-Passive Load Balancer for active-passive redundancyEnter 10.20.30.56 in the Device B IP Address field Active-Active Load Balancer for active-active redundancyClick Next. The Getting Started IP Settings page appears Enter 25 in the Virtual router ID a field SettingSettings Enter 26 in the Virtual router ID B fieldConfiguring Redundant Server Load Balancing Redirection Cache Redirection Configuration Example Subnet ConfigurationDefining a Cache Non-redundantClick Next Click Finish. Your cache subnet has been added Assigning Caches to ServicesAdding a Cache Been createdSteps Enter a descriptive name, such as Cache2, in the Name fieldSupported Algorithms Description Destination Weighted Round RobinWeighted Least Round RobinRetries field TimeoutThis sets the number of retries a health check is attempted Balancing Click Next. The Server Subnet Define Subnet page appears Click Finish. Your server subnet has been addedChanging Lan Port Roles Adding a Server Enter a descriptive name, such as Web, in the Name field Click Continue with Advanced SettingsHighlight Http and click the Next Assigning Servers To ServiceServer load balancing service Showing StatusClick on the cell next to Server A. a pop-up menu appears Click Server AssignmentsEnter 8080 in the Server port field Click OK This user group Adding a UserGroup To add a user group, complete the following stepsTo assign permissions, complete the following steps Click PermissionsQuickest Average Supported Algorithms Description Round RobinQuickest Last Response ResponseThis sets the number of retries in a health check period Filters Select the attack filters you wish to enable and click OKMitigation Filter DescriptionModifying Monitor Access Modifying Admin AccessSelect Security User Configuring for Load Balancing Safety Information Important Safety InformationImportant Safety Information Personnel qualifié ’information deSécurité Importante Hub plus étroites’information de Sécurité Importante Wichtige Sicherheitsinformat ionen EuropeAchtung Faseroptikanschlüsse Optische Sicherheit Appendix a Safety Information PIN -OUTS SpecificationsBalancer and the Server Load Balancer Plus Pin to RS232 25-pin Console Port CablePC-AT Serial Pin to 9-pinOnline Technical Services3Com Username anonymous Asia, Pacific Rim Europe, Middle East AfricaNorth America Country Telephone Number Fax Number Appendix C Technical Support Index NumbersSpecifications, system 83 summary view Summary view 32 World Wide Web WWW Index Superstack 3 Server Load Balancer 3C16120 Obtaining Warranty Service Warranties Exclusive Other Services Regulatory Notices

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