# Adding a new external connection External connections represent physical (L1) ports in the network fabric that act as uplinks outside of the network fabric. By configuring an external connection as part of a **Network Profile** the VLANs/VNIs configured will be terminated on the respective external connection. To configure an external connection: 1. Go to the configuration tab of the switch you want to add and mark the device as a border device. 2. Navigate to the external connections tab on the datacenter ![](/assets/guides/adding_external_conenctions_1.png) 3. Click *Add external connection* 4. Fill in a name and a description 5. Click edit on the newly created external connection 6. Go to the switches tab 7. Click *Add external connection switch* ![](/assets/guides/add_external_connections_2.png) 8. Select the and input the ports that will be used for external connections on that switch ![](/assets/guides/add_external_connections_4.jpg) The list should show up like this: ![](/assets/guides/add_external_connections_3.jpg)