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
Conventions
Icon Description
Convention Description
Product
Related Documentation
Registration
Documentation
About this Guide
Balancer
Feature Server Load Balancer Plus Algorithms
Feature Server Load Balancer Plus Memory
Server Load Balancer
12 10/100 LAN Ports
Balancer Front View Detail
Server Load
Power LED
Color Indicates Power/Self Test LED
10/100BASE-T Port Status LEDs
1000BASE-SX Port Status LEDs
Balancer Rear View Detail
Power Socket
Type 3 Power Module, read the Safety Information section
Advanced Redundant Power System output
Documentation shipped with the power system
Disconnecting the power cord
Installing the Server Load
Installing the Server Load Balancer
Server Load Balancer if they have been fitted
Rack-mounting
Correct Cables
Choosing
Placing Units On
Top of Each Other
Power-up
Powered-up and ready for operation
Sequence
On powering-up, the Power/Self Test LED lights yellow
Problem Suggested Solution
Setting UP for Management
Methods Managing Server Load Balancer
Assigning an IP
Address
SEC
Setting UP for Management
Interface
Security Warning Window
Web Interface pages appears
To install the plug-in, complete the following steps
Network Password window appears
Interfacesteps
After a management session
Web interface is made up of three areas
Using the Web Interface
Banner
Navigation Tree
Summary information is displayed in a two tables
System Summary
Device Summary
Unit Hotspot
Port Hotspots
Color Action
Control Buttons
Logical View
Button Action
Help View
Trap Community String field is defaulted to public
Setting up Snmp
Management
Specifying
Upgrading
Operating Software
Load Balancer
Working with the WEB Interface
Server Load Balancing
Balancing
Configuration
Example
Approximately double the performance of Server B
Configuring for Non-redundant Server Load Balancing
Click Next. The Getting Started Password page appears
Configuring Redundant
Balancer 1 and is configured for the same service
Redundant Server
Load Balancing
Active-Passive
Configuring for
Redundancy
Load Balancer for active-passive redundancy
Enter 10.20.30.56 in the Device B IP Address field
Load Balancer for active-active redundancy
Active-Active
Click Next. The Getting Started IP Settings page appears
Settings
Setting
Enter 25 in the Virtual router ID a field
Enter 26 in the Virtual router ID B field
Configuring Redundant Server Load Balancing
Redirection
Cache Redirection Configuration Example
Defining a Cache
Configuration
Subnet
Non-redundant
Click Next Click Finish. Your cache subnet has been added
Adding a Cache
Services
Assigning Caches to
Been created
Enter a descriptive name, such as Cache2, in the Name field
Steps
Weighted Least
Weighted Round Robin
Supported Algorithms Description Destination
Round Robin
Timeout
Retries field
This sets the number of retries a health check is attempted
Balancing
Click Finish. Your server subnet has been added
Click Next. The Server Subnet Define Subnet page appears
Changing Lan Port Roles
Adding a Server
Click Continue with Advanced Settings
Enter a descriptive name, such as Web, in the Name field
Highlight Http and click the Next
Server load balancing service
To Service
Assigning Servers
Showing Status
Click Server Assignments
Click on the cell next to Server A. a pop-up menu appears
Enter 8080 in the Server port field Click OK
Group
Adding a User
This user group
To add a user group, complete the following steps
Click Permissions
To assign permissions, complete the following steps
Quickest Last Response
Supported Algorithms Description Round Robin
Quickest Average
Response
This sets the number of retries in a health check period
Mitigation
Select the attack filters you wish to enable and click OK
Filters
Filter Description
Modifying Admin Access
Modifying Monitor Access
Select Security User
Configuring for Load Balancing
Safety Information
Information
Important Safety
Important Safety Information
Sécurité Importante
’information de
Personnel qualifié
Hub plus étroites
’information de Sécurité Importante
Europe
Wichtige Sicherheitsinformat ionen
Achtung Faseroptikanschlüsse Optische Sicherheit
Appendix a Safety Information
Specifications
PIN -OUTS
Balancer and the Server Load Balancer Plus
PC-AT Serial
Console Port Cable
Pin to RS232 25-pin
Pin to 9-pin
Services
Online Technical
3Com
Username anonymous
Europe, Middle East Africa
Asia, Pacific Rim
North America
Country Telephone Number Fax Number
Appendix C Technical Support
Numbers
Index
Specifications, 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