Load balancing a private network
You can set up Dispatcher and the TCP server machines using a private network. This configuration can reduce the contention on the public or external network that can affect performance.
Before you begin
To create a private network, each machine must have at least two LAN cards, with one of the cards connected to the private network. You must also configure the second LAN card on a different subnet.

About this task
When you configure a private network, the Load Balancer machine will then send the client requests to the TCP server machines through this network.
For AIX systems, this configuration
can also take advantage of the fast speeds of the SP™ High Performance
Switch if you are running Dispatcher and the TCP server machines on
nodes in an SP Frame.
Procedure
The servers added using the dscontrol server
add command must be added using the private network addresses. For example, a sample command could be coded as:
dscontrol server add cluster_address@80@10.0.0.1
not
asdscontrol server add cluster_address@80@9.67.131.18