Web OS 10.0 Application Guide126 n Chapter 6: Server Load Balancing 212777-A, February 20025. Define a virtual server.All client requests will be addressed to a virtual server IP address on a virtual server defined onthe switch. Clients acquire the virtual server IP address through normal DNS resolution. In thisexample, HTTP is configured as the only service running on this virtual server, and this serviceis associated with the real server group. For example:N OTE – This configuration is not limited to HTTP Web service. Other TCP/IP services can beconfigured in a similar fashion. For a list of other well-known services and ports, see “Well-Known Application Ports” on page 128. To configure multiple services, see “Configuring Mul-tiple Services” on page 130.6. Define the port settings.In this example, the following ports are being used on the Web switch:>> Real server group 1# /cfg/slb/virt 1 (Select virtual server 1)>> Virtual server 1# vip 200.200.200.1 (Assign a virtual server IP address)>> Virtual server 1# ena (Enable the virtual server)>> Virtual server 1# service http (Select the HTTP service menu)>> Virtual server 1 http Service# group 1 (Associate virtual port to real group)Table 6-2 Web Host Example: Port UsagePort Host L4 Processing1 Server A serves SLB requests. Server2 Server B serves SLB requests. Server3 Server C serves SLB requests. Server4 Back-end NFS server provides centralized Web content for all threereal servers. This port does not require Web switching features.None5 Client router A connects the switch to the Internet where clientrequests originate.Client6 Client router B connects the switch to the Internet where clientrequests originate.Client
