Unicast configuration
Contents
Setting up unicast network cards
The following operations are to be done on each server that will compose the cluster, the IP addresses are to be adapted according to your configuration.
1. Open the network connections and identify the cards.

2. Go to the properties of the TCP / IPV4 protocol of the NLB network card and set its address 1 without setting Default Gateway and DNS server and click on Advanced … 2.

3. Go to the DNS 1 tab, uncheck the box 2 Save the addresses of this connection in the DNS system and click on OK 3 to validate the parameters.

4. Click OK to validate the IP address of the card.
Cluster creation
In this part, we will create the NLB cluster, which will initially consist of a single node.
1. Open the administration console.

2. Right-click Network Load Balancing Clusters and click New Cluster 1.

3. Enter the name of Host 1 and click on Connection 2.

4. Select the interface dedicated to cluster 1 and click Next 2.

5. Click Next 1.

6. Click Add 1 to set a virtual address to the cluster.

7. Enter the IPv4 Address and Subnet Mask 1 of the cluster and click OK 2.

8. Click Next 1.

9. Enter the cluster name fqdn 1, select Unicast 2 and click Next 3.

10. Click Edit … 1.

11. From this window it is possible to configure the cluster behavior:

- Define the ports used
- Multiple Host (Active / Active) or Single Host (Active / Passive)
- Affinity:
- None: The connection will be sent to the host with the least connection, to use if no session is managed behind.
- Unique: The connection will always be sent to the same host (recommended)
- Network: Ability to manage the distribution according to the source network.
click OK or Cancel to close the window.
12. Click Finish 1 to create the cluster.

13. The cluster is being configured 1.

14. The node has changed to green 1, the NLB cluster is functional.
