# Ethernet Settings **Full Duplex** * **Enables sending and receiving of packets at the same time. this mode is used when the ethernet device is connected to a switch** **Half Duplex** * **Enables either sending or receiving of packets at a single point of time. This mode is used when the ethernet device is connected to a hub** **Auto-negotiation** * **If enabled, the ethernet device itself decides whether to use either full duplex or half duplex based on the network the ethernet device is attached to.** --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.thelrnbox.com/networking/ethernet-settings.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.