In This Chapter - Alcatel-Lucent OmniSwitch 6800 Series Network Configuration Manual

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34 Configuring Server Load

Alcatel-Lucent's Server Load Balancing (SLB) software provides a method to logically manage a group of

physical servers sharing the same content (known as a server farm) as one large virtual server (known as

an SLB cluster). SLB clusters are identified and accessed using either a Virtual IP (VIP) address or a QoS

policy condition. Traffic is always routed to VIP clusters and either bridged or routed to policy condition

clusters. OmniSwitch 6850/9000 switches operate at wire speed to process client requests and then

forward them to the physical servers within the cluster.

Using SLB clusters can provide cost savings (costly hardware upgrades can be delayed or avoided), scal-

ability (as the demands on your server farm grow you can add additional physical servers), reliability (if

one physical server goes down the remaining servers can handle the remaining workload), and flexibility

(you can tailor workload requirements individually to servers within a cluster).

Note. SLB is supported on OmniSwitch 6850 and 9000 switches but not on OmniSwitch 6800 Series

In This Chapter

This chapter describes the basic components of Server Load Balancing and how to configure them through

the Command Line Interface (CLI). CLI commands are used in the configuration examples; for more

details about the syntax of commands, see the OmniSwitch CLI Reference Guide.

Configuration procedures described in this chapter include:

Steps to configure physical servers on

Procedures to configure SLB on a switch on

Procedures to configure logical SLB clusters on

Procedures to configure physical servers in SLB clusters on

Procedures to configure SLB probes on

Procedures for troubleshooting and maintenance on

Note. You can also configure and monitor Server Load Balancing with WebView, Alcatel-Lucent's

embedded web-based device management application. WebView is an interactive and easy-to-use GUI

that can be launched from OmniVista or a web browser. Please refer to WebView's online documentation

for more information on configuring and monitoring Server Load Balancing with WebView.

OmniSwitch 6800/6850/9000 Network Configuration Guide