How to configure a WLAN gateway

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Applicable for

STM32MP13x lines, STM32MP15x lines

1. Configure a wireless gateway[edit source]

A wireless gateway routes packets from a wireless LAN to wired network (Ethernet)

Prerequisites For this example of configuration, the setup is :

wlan0: wireless interface connected to SSID_NETWORK with DHCP
eth0: ethernet interface with static IP which also have a DHCPserver on it
forward of packet are activated between the two network interfaces.

same procedure of How_to_setup_a_WLAN_connection#How_to_set_a_wireless_configuration_with_networkd }}

Just need to add this rule in 51-wireless.network file:

 cat /lib/systemd/network/51-wireless.network
 [Match]
 Name=wlan0
  
 [Network]
 DHCP=ipv4
 IPForward=ipv4

IPForward: permit to forward all network packet from wireless network to other network.