How to do it...

The following procedure will help you configure LAG on a vSphere Distributed Switch:

1. Bring up the Networking inventory using the vSphere Web Client by using the key combination Ctrl + Alt + 5.
2. Select the desired dvSwitch and navigate to Configure | LACP and click on the icon to bring up the New Link Aggregation Group window:

3. On the New Link Aggregation Group window, supply a Name for the LAG, configure the Number of ports to be used, set a LAG Mode, and choose a Load balancing mode. With the desired settings in place, click OK to confirm the settings:

4. The LACP page should now list the newly created LAG. Click on Migrating network traffic to LAGs:

5. Follow the instructions on the Migrate Network Traffic to Link Aggregation Groups window to unobtrusively migrate the traffic to the LAG interfaces. The window provides direct links to the Manage Distributed Port Groups and the Add and Manage Hosts wizards:
   • Make the LAG a standby uplink for the dvPortGroup:

5. • Assign correct physical adapters (vmnics) to the LAG interfaces:

5. • Set the LAG as the only Active uplink for the dvPortGroup:

6. You have now successfully configured the use of LAG on your vSphere Distributed Switch.