Wednesday, October 22, 2008

NLB on server 2008

Installing and Configuring

To install NLB

1. Navigate to Administrative Tools and click Server Manager.

2. Scroll down to the Features section or click the Features node in the left-hand tree view.

3. Click Add Features.

4. In the Add Features Wizard, select Network Load Balancing from the list of available optional components.

5. Click Next, and Install, as applicable to complete the wizard.

To configure NLB

1. Navigate to Administrative Tools and click Network Load Balancing Manager, or run nlbmgr from a command prompt.

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

3. Connect to the host that will be part of the cluster, in this case the Web server. In the Host text box, type the name of the host, and then click Connect.

4. Select the interface you want to use with the cluster, and then click Next.

5. On the Host Parameters page, select a value from the Priority (unique host identifier) drop-down list.

6. In the Dedicated IP Addresses area, click Add to type the IP address that is shared by every host in the cluster. NLB will add this IP address to the TCP/IP stack on the selected interface of all hosts chosen to be part of the cluster. Click Next to continue.

7. On the Cluster IP Addresses page, click Add.

8. In the Add IP Address dialog box, type the IP address and subnet mask, and then click OK.

9. Click Next.

10. On the Cluster Parameters page, in the Cluster operation mode area, click Unicast to specify that a unicast media access control (MAC) address should be used for cluster operations.

NB: ON single NIC hosts or virtual hosts, this may need ot me multicast or connection will fail.

Click Next to continue.

11. On the Port Rules page, click Edit to modify the default port rules if you need advanced rules. Otherwise, use the default.

12. Click Finish to create the cluster.

To add more hosts to the cluster, right-click the new cluster, and then click Add Host to Cluster.

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