> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Set up Wi-Fi

## **Prerequisites**

Before you begin, see [Qualcomm Linux Build Guide](https://docs.qualcomm.com/bundle/publicresource/topics/80-80021-254/introduction.html) for common infrastructure setup and build workflows.

This information describes the prerequisites to bring up WLAN functionality, such as setting up a Secure Socket Shell (SSH) connection and verifying and storing the Media Access Control (MAC) address. The following workflow shows how to get started with the Wi-Fi bring up procedure followed by configuring Wi-Fi according to your requirements.

<div className="flex flex-col items-center gap-2">
  <img src="https://mintcdn.com/qualcomm-prod/RietNfmN9gs2vaJw/Technologies/Wi-Fi/media/qli-wi-fi/get_started_wifi.png?fit=max&auto=format&n=RietNfmN9gs2vaJw&q=85&s=2efc77456c9e529f5062b6491f024bc1" width="1863" height="453" data-path="Technologies/Wi-Fi/media/qli-wi-fi/get_started_wifi.png" />
</div>

### **Set up UART/SSH**

To set up debug Universal Asynchronous Receiver/Transmitter (UART) and Wi-Fi, and to connect to SSH, see [Sign in using SSH](https://docs.qualcomm.com/bundle/publicresource/topics/80-80021-254/how_to.html#use-ssh).

**Note**

When using the Secure Copy Protocol (SCP) to transfer files to or from a device, a password prompt appears. Enter `oelinux123` in the password field.

### **Set WLAN MAC address**

**Note:**\
This is an optional step. If you want to have your own MAC address and not the default MAC address, perform the following steps:

* By default, the factory writes the WLAN MAC address in the one-time programmable (OTP) memory of the network card.
  You can modify the MAC address using the following commands, if required. In these commands, replace `wlpXsY` with the interface index name 0 or 1. For example, `wlp1s0` or `wlp1s1`.
  ```text theme={null}
  ip link set wlpXsY down
  ip link set wlpXsY address xx:xx:xx:xx:xx:xx
  ip link set wlpXsY up
  ```
* The MAC address that you set persists until a restart or the next power cycle and takes precedence over the factory-set MAC address stored in OTP memory.

**Note:**\
As Predictable Network Interface Names enabled by default:

* For non-PCIe interfaces, the WLAN interface name is `wlanX` (RB3GEN2, Shikra).
* For PCIe interfaces, `wlanX` is renamed to `wlpXsY`, where:
  * `X` = PCIe port index + 1
  * `Y` = device index