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# Ethernet

In the **Ethernet Ports** view, you can define parameters for the LAN ports and select which, if any port should be UPLINK.

## Ethernet Ports

The Ethernet Portss view shows a list of selectable ports.

### Configuration

When a particular port is selected, details about it is shown in the configuration section.

### Properties for unspecifed/untagged VLAN

^ Section ^ Description ^ Comment ^
| Port Speed | Configuration of transmission speed, [duplex](/glossary/d/duplex) setting and [auto-negotiation](/glossary/a/auto_negotiation). | Available values depend on port capacity. |
| Pause Frame | Enable [Pause Frame](/glossary/p/pause_frame) for [flow control](/glossary/f/flow_control). |


### Port Speed Examples

In the **Port Speed** dropdown, you can select a combination of [duplex](/glossary/d/duplex) setting and [auto-negotiation](/glossary/a/auto_negotiation) settings for the interface.

For example:

^ Option ^ Description ^
| Full [auto-negotiation](/glossary/a/auto_negotiation) | Applies to both [auto-negotiation](/glossary/a/auto_negotiation) and [duplex](/glossary/d/duplex) setting. |
| Max 100Mb [auto-negotiation](/glossary/a/auto_negotiation), full [duplex](/glossary/d/duplex). |  |
| Max 100Mb [auto-negotiation](/glossary/a/auto_negotiation), half [duplex](/glossary/d/duplex). |  |
| Max 10Mb [auto-negotiation](/glossary/a/auto_negotiation), full [duplex](/glossary/d/duplex). |  |
| Max 10Mb [auto-negotiation](/glossary/a/auto_negotiation), half [duplex](/glossary/d/duplex). |  |
| Only 100Mb, full [duplex](/glossary/d/duplex). |  |
| Only 100Mb, half [duplex](/glossary/d/duplex). |  |
| Only 10Mb, full [duplex](/glossary/d/duplex). |  |
| Only 10Mb, half [duplex](/glossary/d/duplex). |  |
| Disabled | Interface is disabled. |


## Uplink

The **Uplink** section view allows you to select which interface to use as [uplink](/glossary/u/uplink) for the device.

### Configuration

^ Section ^ Description ^
| Uplink Port |  Port to use as [uplink](/glossary/u/uplink) for the device. |


**Note:** Selecting `None` will disable uplink traffic.