This topology provides a highly available and load balanced service. A minimum of 4 nodes is required for this topology, and real-servers can be added to the network as additional capacity is required. For a more detailed explanation of the function of each component please see the overview.
The documentation that follows assumes that all nodes on the network are set up with correct interfaces and routes for each network they are connected to as per the diagram above. The return path for packets must be through the active linux-director. In most cases this will mean that the the default route should be set to the internal virtual address as described in the real-servers section below.
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