Sudo nano /etc/rc. This needs to run on each startup, so open /etc/rc.local with These rules also need to be applied after a reboot. Sudo iptables -A FORWARD -i eth0 -o wlan0 -j ACCEPT Sudo iptables -A FORWARD -i wlan0 -o eth0 -m state -state RELATED,ESTABLISHED -j ACCEPT Sudo iptables -t nat -A POSTROUTING -o wlan0 -j MASQUERADE To share the internet connection with WiFi-connected devices we configure a NAT between eth0 and wlan0: This will enable packet forwarding after reboot. Remove the hash (#) in front of the line containing _forward=1. Now edit the /etc/nf file to enable packet forwarding # Never forward addresses in the non-routed address spaces. Server=8.8.8.8 # Forward DNS requests to Google DNSĭomain-needed # Don't forward short names # Bind to the interface to make sure we aren't sending things Into the new file enter the following configuration: Just create a backup like this before we write our own: The standard dnsmasq config gives a lot of configuration. I use nano: sudo nano /etc/network/interfaces Open the network interfaces file with your favorite editor. We will assign a static IP address to the default ethernet port which will be used as gateway. I used the dnsmasq package for this because it is combined DHCP and DNS server is simple in configuration. So I build myself an raspberry pi as Wifi to Ethernet bridge. But I for the NAS, some raspberry projects and so on I also wanted to have an wired network right at my desk. But my working place is at the other side of the house and I do not have the possibility to pull an ethernet cable through the walls. Well, hostapd must know the address to the configuration file you just wrote.At home I have a WiFi network from my router through the appartment. a = IEEE 802.11a (5 GHz) (For Raspberry Pi 3B+ or later) Remember for this tutorial you will need to have an active WiFi router/ WiFi hotspot/WiFi access point to connect to and an ethernet device you intend on bridging the Wi-Fi connection.To change the operation mode of the wireless network, choose between any of these values in the hw_mode parameter: Check this website in order to check the correct code of your country. Select the country code, depending on where you live right now (obviously). The password should be between 8 and 63 characters. SSID is the name of your network and wpa_passphrase is the password of the access point. Now, let's configure two important customizable parameters. Ht_capab=ĭid you notice that here you associate the wireless network wlan0 and the bridge br0? A reason why you didn't need to create another file associating wlan0 and br0.
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