Brocade Communications Systems ServerIron ADX 12.4.00 Service Manual download pdf (Page 108)

96 ServerIron ADX Advanced Server Load Balancing Guide

53-1002435-01

Sample configurations

As shown in Figure 25, some clients’ web browsers are configured to use proxy IP address

209.157.22.2, while other client’s web browsers are not configured to use a proxy server. You can

configure the ServerIron ADX to satisfy both sets of clients.

Follow the steps given below to configure Proxy Server Cache Load Balancing.

1. Add the cache servers as customary, using the server cache-name <string> <ip-addr>

command.

2. Add the HTTP ports and configure port-specific health check parameters at the Cache Server

level, using the port http | <num> commands.

3. Create the proxy virtual IP address (VIP) and bind the HTTP ports of the cache servers to the

VIP. Use the server virtual-name-or-ip <string> <ip-addr> and bind… commands.

4. Add the cache servers to a cache group using the server cache-group 1 command.

5. Save the configuration changes to the startup-config file using the write memory command.

NOTE

If you have already configured your cache servers and cache group, you do not need to change their

configuration. You only need to add the VIP for the proxy and bind the HTTP ports to it, then save the

changes.

To configure the ServerIron ADX for the example shown in Figure 25 on page 95, enter the following

commands on the ServerIron ADX.

ServerIronADX(config)# server port 4199

ServerIronADX(config-port-4199)# tcp

ServerIronADX(config-port-4199)# exit

ServerIronADX(config)# server port 8080

ServerIronADX(config-port-8080)# tcp

ServerIronADX(config-port-8080)# exit

The commands above add port profiles for the two HTTP ports in this example that are using port

numbers other than the well-known port 80: 4199 and 8080. The tcp command at each port’s

configuration level is required. If you do not identify the ports as TCP ports, the ServerIron ADX

assumes the ports are UDP ports and thus does not use an appropriate health check for the ports.

You do not need to add a port profile for port 80, since that is the well-known HTTP port.

ServerIronADX(config)# server cache-name Cache-Server1 209.157.22.26

ServerIronADX(config-Cache-Server1)# port 4199

ServerIronADX(config-Cache-Server1)# port 8080

ServerIronADX(config-Cache-Server1)# port http

ServerIronADX(config-Cache-Server1)# exit

ServerIronADX(config)# server cache-name Cache-Server2 209.157.22.27

ServerIronADX(config-Cache-Server2)# port 4199

ServerIronADX(config-Cache-Server2)# port 8080

ServerIronADX(config-Cache-Server2)# port http

ServerIronADX(config-Cache-Server2)# exit

The commands above add cache servers Cache-Server1 and Cache-Server2. The port commands

add the HTTP ports to the cache servers. This example does not include optional modification of

the HTTP health check parameters for specific servers. For information about customizing an HTTP

health check for a specific server.

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