As before, launch the Add Roles and Features Wizard.
Skip the step of adding roles by clicking Next.
Next, check the "Network Load Balancing" feature and click Next.
When the installation is complete, click Close.
Launch the "Network Load Balancing Manager" program.
Right click "New cluster".
Enter the name of your 1st server and click Connect.
NLB detects the network configuration of the server and displays its IP address.
Then, the wizard will allow you to choose :
The wizard will ask you to add a cluster IP address.
Click on "Add".
In our case, we will use the "10.0.0.100" IPv4 address.
It's this IP address that your users will use and NLB will redirect their requests transparently to one or the other server in the cluster.
In this tutorial, we will only support IPv4.
Specify a cluster name (in our case : intranet) and choose the cluster operation mode :
In our case, we chose "Multicast" because we test this feature in virtual and we only have one network card per server.
By default, the cluster is configured to accept connections on all TCP and UDP ports.
However, it's recommended that you only allow the ports that your users are supposed to connect to.
In this case, for the web, these ports : 80 TCP (HTTP) and 443 TCP (HTTPS).
Specify 80 for the port range and select the "TCP" protocol.
Choose the desired filtering mode :
Then, the affinity mode (if you chose the "multiple host" filter mode) :
Next, create an additional port rule (via the "Add" button) to also support the HTTPS (port : 443 TCP).
Now that your cluster is configured to support 80 TCP (HTTP) and 443 TCP (HTTPS) ports, click Finish.
Once the configuration is applied on your 1st server, its state will be : Converged.
To know the port rules configured on your cluster and more specifically for a specific server in the cluster, select it from the list.
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