HP SuperStack 3 Load Balancer Appliance Manuel d'utilisateur télécharger pdf (Page 42)

42 CHAPTER 5: CONFIGURING NON-REDUNDANT SERVER LOAD BALANCING

Server Load

Balancing

Configuration

Example

Figure 11 displays a network configuration of two primary servers, Server

A and Server B. The servers have been set up to host a Web site to the

public. Server A is assumed to be a powerful machine that has

approximately double the performance of Server B.

Figure 11 Server Load Balancing Configuration Example

Subnet 192.168.2.X

Client

Internet

Server A

192.168.2.1

Port 80

Server B

192.168.2.2

Port 8080

Server Load Balancer

VIP: 10.20.30.117

: 10.20.30.116

: 192.168.2.254

Router

Port 1

Port 5

Port 6

10.20.30.0

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SuperStack 1
Server Load Balancer 1
Server Load Balancer Plus 1
User Guide 1
3Com Corporation 2
5400 Bayfront Plaza 2
Santa Clara, California 2
95052-8145 2
CONTENTS 3
3 SETTING UP FOR MANAGEMENT 4
A SAFETY INFORMATION 5
C TECHNICAL SUPPORT 5
REGULATORY NOTICES 6
ABOUT THIS GUIDE 7
Ta b l e 1 Notice Icons 8
Ta b l e 2 Text Conventions 8
Related Documentation 9 9
10 ABOUT THIS GUIDE 10
INTRODUCING THE SERVER LOAD 11
BALANCER 11
About the Server 12
Load Balancer 12
Server Load 13
Balancer — Front 13
View Detail 13
Ta b l e 5 LED Behavior 14
Balancer — Rear 15
Downloading 3Com 16
Network Supervisor 16
INSTALLING THE SERVER LOAD 17
Choosing a Suitable 18
Rack-mounting 19 19
Choosing the 20
Correct Cables 20
Placing Units On 20
Top of Each Other 20
The Power-up 21
Sequence 21
Solving Problems 22
Indicated by LEDs 22
SETTING UP FOR MANAGEMENT 23
■ A default route 24
WORKING WITH THE WEB 27
INTERFACE 27
Choosing a Browser 29 29
Accessing the Web 30
Interface 30
Using the Web 31
Figure 7 Summary View 32
Using the Web Interface 33 33
Figure 8 Device View 34
Ta b l e 8 Color Key Codes 34
Figure 9 Logical View 35
Figure 10 Help View 37
Setting up SNMP 38
Management 38
Upgrading 39
Operating Software 39
CONFIGURING NON-REDUNDANT 41
SERVER LOAD BALANCING 41
Balancing 42
Configuration 42
Configuring for 43
Non-redundant 43
CONFIGURING REDUNDANT 45
Redundant Server 46
Load Balancing 46
Active-Passive 47
Redundancy 47
Active-Active 49
Setting 51
Settings 51
CONFIGURING CACHE 53
REDIRECTION 53
Cache Redirection 54
Defining a Cache 55
Assigning Caches to 57
Services 57
Creating a Cache 58
Profile (Optional) 58
■ Period 60
■ Retries field 60
■ Timeout 60
CONFIGURING FOR LOAD 61
BALANCING 61
Defining a Server 62
Changing Lan Port Roles 63 63
Adding a Service 65 65
Assigning Servers 66
Adding a User 68
Creating a Balance 69
Modifying Security 72
Filters (Attack 72
Mitigation) 72
SAFETY INFORMATION 75
Important Safety 76
Information 76
L’information de 78
Sécurité Importante 78
Sicherheitsinformat 80
Wichtige 80
PPENDIX A: SAFETY INFORMATION 82
TECHNICAL SPECIFICATIONS AND 83
PIN-OUTS 83
PC-AT Serial 9-pin to 9-pin 84
TECHNICAL SUPPORT 85
Support from Your 86
Network Supplier 86
Support from 3Com 87 87
Asia, Pacific Rim 87
PPENDIX C: TECHNICAL SUPPORT 88
Returning Products 89
INDEX 93 93
World Wide Web (WWW) 85 93
94 INDEX 94
SUPERSTACK 95
OBTAINING WARRANTY 96
SERVICE: 96
REGISTER ONLINE FOR FREE 98
SERVICE UPGRADE: 98
OTHER USEFUL WEB SITE 98
SERVICES PROVIDED BY 98
3COM INCLUDE: 98

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