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→Network Load Balancing Models
The four basic Network Load Balancing modes are as follows:
* '''Unicast with Single Network Adapter''' - MAC address of network adapter is disabled and cluster MAC address is used. Traffic is received by all nodes in teh the cluster and filtered by NLB driver. Nodes in the cluster are able to communicate with addresses outside the cluster subnet but node to node communication within cluster subnet is not possible.
* '''Unicast with Multiple Network Adapters''' - MAC address of network adapter is disabled and cluster MAC address is used. Traffic is received by all nodes in the cluster and filtered by NLB driver. Nodes within the cluster are able to communicate with each other within the cluster subnet and also with addresses outside the subnet.
* '''Multicast with Single Network Adapters''' - Both network adapter and cluster MAC addresses are enabled. Nodes within the cluster are able to communicate with each other within the cluster subnet and also with addresses outside the subnet. Not recommended for significant levels of traffic are directed to specific cluster nodes.
* '''Multicast with Multiple Network Adapters''' - Both network adapter and cluster MAC addresses are enabled. Nodes within the cluster are able to communicate with each other within the cluster subnet and also with addresses outside the subnet. The This is the ideal configuration for environments where there are significant levels of traffic directed to specific cluster nodes.
== Configuring Port and Client Affinity ==
