Uplink is a vSphere term for a physical network adapter. There can be scenarios wherein there is a need to map additional uplinks to a vSwitch for teaming and load balancing purposes. Such an addition is generally done with the intention of enabling the use of teaming and load balancing features. There are different GUI methods to achieve this: you could either use the Add Networking wizard or manage the physical network.
In this recipe, we will learn how to accomplish this via the HTML5 client and the ESXi CLI.