So following this load balancer Guide I configured my PI’s and created an apache load balanced raspberry PI using only PI’s and no 3rd dedicated PC (normally used for the additional nic port with a cheap PCI expansion).

Here is the load balancer result/mess;

It looks somewhat unsightly but that can be fixed easily and is only superficial.

This is a list of the items used;

Raspberry PI

USB Ethernet Adapter

Micro USB Leads

Memory Cards

Linksys Switch – Same model, I have no idea how much mine cost it was given to me years ago, as the PI’s only run at 100Mb I did not see the point in getting a GigE switch.

This is a solution diagram for the setup;

Ports Open;

80 (http)