Raspberry Pi 3 - Configuring it as wireless access point -AP Mode
Copy the necessary firmware files
Create a directory named /firmware/brcm on the root directory of your boot media as it will be automatically copied to /lib/firmware/brcm in the next boot.
Please make sure to include the following files namely brcmfmac43430-sdio.bin and brcmfmac43430-sdio.txt in /firmware/bcrm/ folder of your boot media
Download from https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm
Install hostapd and dnsmasq
apk add hostapd
apk add dnsmasq
Configure hostpad conf file
In /etc/hostapd/hostapd.conf
interface=wlan0
driver=nl80211
ssid=Pi3-AP
hw_mode=g
channel=1
macaddr_acl=0
auth_algs=1
wpa=2
wpa_key_mgmt=WPA-PSK
wpa_passphrase=raspberry
rsn_pairwise=CCMP
wpa_pairwise=CCMP
Configure your /etc/dnsmasq.conf
interface=wlan0
dhcp-range=10.0.0.2,10.0.0.5,255.255.255.0,12h
Configure Static ips for wlan0 in the file /etc/network/interfaces
auto wlan0
iface wlan0 inet static
address 10.0.0.1
netmask 255.255.255.0
Start the services
service dnsmasq start
service hostapd start
Enable the Services permanently on every bootup
rc-update add dnsmasq
rc-update add hostapd
(to del)
rc-update del dnsmasq
rc-update del hostapd
(or)
rc-update add dnsmasq boot
rc-update add hostapd boot
(to del)
rc-update del dnsmasq boot
rc-update del hostapd boot
Commit all changes to files
Make sure you run the below command to commit all changes otherwise they will be lost on reboot
lbu ci
References
https://gist.github.com/atlury/fe0ea8b91a981c103df7
https://frillip.com/using-your-raspberry-pi-3-as-a-wifi-access-point-with-hostapd/
Thanks oneinsect@gmail.com