HP SuperStack 3 Load Balancer Appliance Manuale Utente

http://www.3com.com/Part No. 990-0049-00Published June 2001SuperStack® 3Server Load BalancerServer Load Balancer PlusUser Guide3C161203C16121slb_gsg.b

10 ABOUT THIS GUIDEslb_gsg.bk Page 10 Thursday, May 31, 2001 8:57 AM

1INTRODUCING THE SERVER LOAD BALANCER This chapter contains introductory information about the SuperStack® 3 Server Load Balancer and the SuperStack 3

12 CHAPTER 1: INTRODUCING THE SERVER LOAD BALANCERAbout the Server Load Balancer The SuperStack® 3 Server Load Balancer and Server Load Balancer Plus

Server Load Balancer — Front View Detail 13Server Load Balancer — Front View Detail Figure 1 Server Load Balancer — front view Ports The Server Loa

14 CHAPTER 1: INTRODUCING THE SERVER LOAD BALANCERLEDs Table 5 lists LEDs visible on the front of the Server Load Balancer, and how to read their stat

Server Load Balancer — Rear View Detail 15Server Load Balancer — Rear View DetailFigure 2 Server Load Balancer — rear viewUnit InformationLabelThe l

16 CHAPTER 1: INTRODUCING THE SERVER LOAD BALANCERCAUTION: The Server Load Balancer can only use a SuperStack Advanced Redundant Power System output.W

2INSTALLING THE SERVER LOAD BALANCERThis chapter contains the information you need to install and set up the Server Load Balancer. It covers the follo

18 CHAPTER 2: INSTALLING THE SERVER LOAD BALANCERPackage Contents Your shipping container should contain the following items: Server Load Balancer (3

Rack-mounting 19Rack-mounting The Server Load Balancer is 1.5U and fits in most standard 19-inch racks. However, if you are connecting the Server Load

3Com Corporation5400 Bayfront Plaza Santa Clara, California 95052-8145Copyright © 2001, 3Com Technologies. All rights reserved. No part of this docume

20 CHAPTER 2: INSTALLING THE SERVER LOAD BALANCERYou must use the screws supplied with the mounting brackets. Damage caused to the unit by using incor

The Power-up Sequence 21The Power-up SequenceThe following sections describe how to get your Server Load Balancer powered-up and ready for operation.W

22 CHAPTER 2: INSTALLING THE SERVER LOAD BALANCERSolving Problems Indicated by LEDsTable 7 contains a list of problems and suggested solutions if the

3SETTING UP FOR MANAGEMENTThis chapter explains the management methods used for managing a Server Load Balancer, and details the steps required before

24 CHAPTER 3: SETTING UP FOR MANAGEMENTMethods of Managing the Server Load BalancerYou can manage a Server Load Balancer using one of the following me

Assigning an IP Address 253 Hit <Return>. At the login: prompt, enter admin. The Server Load Balancer provides two levels of access, admin and m

26 CHAPTER 3: SETTING UP FOR MANAGEMENT5 You are prompted to enter the following information:a a unit IP addressb a default routec the local timed the

4WORKING WITH THE WEB INTERFACEThis chapter describes how to access and use the web interface. It covers the following topics: Choosing a Browser Ac

28 CHAPTER 4: WORKING WITH THE WEB INTERFACEChoosing a Browser To display the Web interface correctly, use one of the following Web browsers: Netsca

Choosing a Browser 29Installing the JRE forNetscape NavigatorIf you are using Netscape Navigator for your browser and do not have the Java Runtime Env

CONTENTSABOUT THIS GUIDEConventions 8Related Documentation 9Product Registration 9Documentation Comments 91 INTRODUCING THE SERVER LOAD BALANCERAbout

30 CHAPTER 4: WORKING WITH THE WEB INTERFACEAccessing the Web InterfaceTo access the Web interface over the network, complete the following steps:1 En

Using the Web Interface 31Using the Web InterfaceThe Web interface is made up of three areas: The BannerThis is always displayed at the top of the br

32 CHAPTER 4: WORKING WITH THE WEB INTERFACESummary View The Summary View displays the latest information for the Server Load Balancer.The Summary Vie

Using the Web Interface 33Device View The Device View contains a mimic of the Server Load Balancer. The device mimic is an interactive representation

34 CHAPTER 4: WORKING WITH THE WEB INTERFACEFigure 8 Device ViewControl ButtonsBeneath the device mimic are three control buttons that you can use t

Using the Web Interface 35Logical View The Logical View presents a graphical view of the Server Load Balancer configuration. This view is used to conf

36 CHAPTER 4: WORKING WITH THE WEB INTERFACEIn addition to the blocks, there are three buttons that can be used to assign permissions, and server and

Using the Web Interface 37Help View The Help view contains important information on Web Browser and PC platform combinations that are recommended when

38 CHAPTER 4: WORKING WITH THE WEB INTERFACESetting up SNMP ManagementYou can manage a Server Load Balancer using any Network Manager running the Simp

Upgrading Operating Software 39Upgrading Operating SoftwareYou can upgrade the management software using the Software Upgrade window.CAUTION: It is su

3 SETTING UP FOR MANAGEMENTMethods of Managing the Server Load Balancer 24Assigning an IP Address 244 WORKING WITH THE WEB INTERFACEChoosing a Browser

40 CHAPTER 4: WORKING WITH THE WEB INTERFACEslb_gsg.bk Page 40 Thursday, May 31, 2001 8:57 AM

5CONFIGURING NON-REDUNDANT SERVER LOAD BALANCINGIn this chapter, a typical non-redundant server load balancing scenario is presented, with instruction

42 CHAPTER 5: CONFIGURING NON-REDUNDANT SERVER LOAD BALANCINGServer Load Balancing Configuration ExampleFigure 11 displays a network configuration of

Configuring for Non-redundant Server Load Balancing 43Configuring for Non-redundant Server Load BalancingYou must complete the steps in the Getting St

44 CHAPTER 5: CONFIGURING NON-REDUNDANT SERVER LOAD BALANCING3 Enter a descriptive name, such as Non-redundant SLB, in the Name field.4 Enter the name

6CONFIGURING REDUNDANT SERVER LOAD BALANCINGIn this chapter, a typical redundant server load balancing scenario is presented, with instructions for co

46 CHAPTER 6: CONFIGURING REDUNDANT SERVER LOAD BALANCINGRedundant Server Load Balancing Configuration ExampleFigure 12 shows how two Server Load Bala

Configuring for Active-Passive Redundancy 47Configuring for Active-Passive RedundancyYou m ust complete the Getting Started wizard to configure the Se

48 CHAPTER 6: CONFIGURING REDUNDANT SERVER LOAD BALANCING7 Select the serial number of Device B. In this case, this is the second Server Load Balancer

Configuring for Active-Active Redundancy 49Configuring for Active-Active RedundancyYou m ust complete the Getting Started wizard to configure the Serv

Redundant Configuration 56Adding a Cache 57Assigning Caches to Services 57Showing Status and Deleting the Cache 58Creating a Cache Profile (Optional)

50 CHAPTER 6: CONFIGURING REDUNDANT SERVER LOAD BALANCING7 Select the serial number of the peer device. In this case, the peer device is the second Se

Setting Redundancy Settings 51Active-Active DeviceAllocationActive-Active device allocation can only be performed when the Server Load Balancer has be

52 CHAPTER 6: CONFIGURING REDUNDANT SERVER LOAD BALANCINGslb_gsg.bk Page 52 Thursday, May 31, 2001 8:57 AM

7CONFIGURING CACHE REDIRECTIONIn this chapter, a typical application redirection scenario is presented, with directions for configuring the Server Loa

54 CHAPTER 7: CONFIGURING CACHE REDIRECTIONCache Redirection Configuration ExampleFigure 13 illustrates a sample network configuration for cache redir

Defining a Cache Subnet 55Defining a Cache SubnetBefore you can add a cache, you need to have defined at least one cache subnet.The cache subnet canno

56 CHAPTER 7: CONFIGURING CACHE REDIRECTIONRedundantConfigurationThe following steps describe how to create a cache subnet if you are configured for r

Adding a Cache 57Adding a Cache This is where the cache service is defined, along with several attributes of the service. 1 Click Logical View on the

58 CHAPTER 7: CONFIGURING CACHE REDIRECTIONShowing Status andDeleting the CacheTo view the status of the cache assignments, complete the following ste

Creating a Cache Profile (Optional) 596 Choose a algorithm. The default algorithm is Round-robin. Table 10 describes the available algorithms.7 Leave

3Com Knowledgebase Web Services 853Com FTP Site 86Support from Your Network Supplier 86Support from 3Com 87Returning Products for Repair 89INDEX3COM C

60 CHAPTER 7: CONFIGURING CACHE REDIRECTION TCP Port — Server Load Balancer periodically attempts to establish a connection with each server using th

8CONFIGURING FOR LOAD BALANCING In this chapter the instructions for configuring User Groups, Services and Servers on the Server Load Balancer are exp

62 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGDefining a Server SubnetBefore you can add a server, you need to have defined at least one server subnet.

Changing Lan Port Roles 63Changing Lan Port RolesWhen configuring server load balancing, the physical ports that carry client or server traffic can be

64 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGAdding a Server The servers must first be defined before they can be bound to a particular service. The se

Adding a Service 65Adding a Service This is where the load balancing service is defined, along with several attributes of the service. Remember that t

66 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGAssigning Servers to ServiceThe Assign Servers to Services page is where the servers are assigned to the s

Assigning Servers to Service 67Assigning Server toServices (Advanced)In addition to performing Network Address Translation, the Server Load Balancer i

68 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGAdding a User GroupYou can define a user group and control that group’s access to the load balanced servic

Creating a Balance Profile (Optional) 69AccessingPermissionsYou can change user access on specific servers using the Permissions button. You are able

ABOUT THIS GUIDEThis guide provides all the information you need to install and use a SuperStack® 3 Server Load Balancer (3C16120) or the SuperStack 3

70 CHAPTER 8: CONFIGURING FOR LOAD BALANCING6 Choose a balancing algorithm. The default balance profile is Round-robin. Table 11 describes the availab

Creating a Balance Profile (Optional) 717 Leave Sticky Mode field set to Off.8 The default health check is Ping, click Next. Other available health ch

72 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGModifying Security Filters (Attack Mitigation)The Server Load Balancer provides Attack Mitigation features

Modifying Security Filters (Attack Mitigation) 73Modifying UserAccessTo modify the access of either the admin or monitor user, complete the following

74 CHAPTER 8: CONFIGURING FOR LOAD BALANCINGslb_gsg.bk Page 74 Thursday, May 31, 2001 8:57 AM

ASAFETY INFORMATIONYou must read the following safety information before carrying out any installation or removal of components, or any maintenance pr

76 APPENDIX A: SAFETY INFORMATIONImportant Safety Information Installation and removal of the unit must be carried out by qualified personnel only.

Important Safety Information 77 This unit operates under SELV (Safety Extra Low Voltage) conditions according to IEC 950. The conditions are only mai

78 APPENDIX A: SAFETY INFORMATIONL’information de Sécurité Importante L'installation et la dépose de ce groupe doivent être confiés à un personn

L’information de Sécurité Importante 79 L’appareil fonctionne à une tension extrêmement basse de sécurité qui est conforme à la norme CEI 950. Ces co

8 ABOUT THIS GUIDEConventions Table 1 and Table 2 list conventions that are used throughout this guide.Ta b l e 1 Notice IconsIcon Notice Type Descr

80 APPENDIX A: SAFETY INFORMATIONWichtige Sicherheitsinformationen Die Installation und der Ausbau des Geräts darf nur durch Fachpersonal erfolgen.

Wichtige Sicherheitsinformationen 81ACHTUNG: Faseroptikanschlüsse – Optische Sicherheit Niemals ein Übertragungslaser betrachten, während dieses eing

82 APPENDIX A: SAFETY INFORMATIONslb_gsg.bk Page 82 Thursday, May 31, 2001 8:57 AM

BTECHNICAL SPECIFICATIONS AND PIN-OUTSServer Load Balancer SpecificationsThe following table lists the technical specifications for the Server Load Ba

84 APPENDIX B: TECHNICAL SPECIFICATIONS AND PIN-OUTSConsole Port Cable 9-pin to RS232 25-pinPC-AT Serial 9-pin to 9-pinslb_gsg.bk Page 84 Thursday, Ma

CTECHNICAL SUPPORT3Com provides easy access to technical support information through a variety of services. This appendix describes these services.Inf

86 APPENDIX C: TECHNICAL SUPPORT3Com FTP Site Download drivers, patches, software, and MIBs across the Internet from the 3Com public FTP site. This se

Support from 3Com 87Support from 3Com If you are unable to obtain assistance from the 3Com online technical resources or from your network supplier, 3

88 APPENDIX C: TECHNICAL SUPPORTEurope and South AfricaFrom the following countries, you may use the toll-free numbers:AustriaBelgiumDenmarkFinland Fr

Returning Products for Repair 89Returning Products for RepairBefore you send a product directly to 3Com for repair, you must first obtain an authoriza

Related Documentation 9Related DocumentationIn addition to this guide, the documentation set includes the following: Release Notes (PDF format)These

90 APPENDIX C: TECHNICAL SUPPORTslb_gsg.bk Page 90 Thursday, May 31, 2001 8:57 AM

INDEXNumbers3C number 153Com Knowledgebase Web Services 853Com URL 85Aadding a balance profile 58, 69adding a cache 57adding a cache subnet 55adding a

92 INDEXMMAC address 15MIBs 86Nnavigation tree of the Web interface 31network supplier support 86OOnline 85Ppackage contents 18port hotspots 33portsco

INDEX 93summary view 32World Wide Web (WWW) 85slb_gsg.bk Page 93 Thursday, May 31, 2001 8:57 AM

94 INDEXslb_gsg.bk Page 94 Thursday, May 31, 2001 8:57 AM

3Com Corporation LIFETIME LIMITED WARRANTYThe 3Com Corporation Limited Warranty and the Other Services described in this document supersede any such i

ASSIGNMENT; NO REVERSEENGINEERING:You may transfer the Software, Documentation and the licenses granted herein to another party in the same country in

WARRANTIES EXCLUSIVE: IF THIS 3COM PRODUCT DOES NOT OPERATE AS WARRANTED ABOVE, CUSTOMER'S SOLE REMEDY FOR BREACH OF THIS WARRANTY SHALL BE REPAI

OTHER SERVICES 3COM RESERVES THE RIGHT TO MODIFY OR CANCEL THESE SERVICES AT ANY TIME, WITHOUT ADVANCE NOTICE. THESE SERVICES ARE NOT AVAILABLE WHERE

REGULATORY NOTICESFCC STATEMENT This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 o