Template:HOSTAPD ACCESS POINT: Difference between revisions
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dnsmasq is a suitable option for providing DHCP and DNS services alongside hostapd. It's a lightweight DNS forwarder and DHCP server that can be easily integrated with hostapd. | dnsmasq is a suitable option for providing DHCP and DNS services alongside hostapd. It's a lightweight DNS forwarder and DHCP server that can be easily integrated with hostapd. | ||
=== | === Make sure interface (uap0) is not managed by NetworkManager === | ||
Before starting with hostapd, it's important that NetworkManager is not managing the access point interface (uap0). If NetworkManager is running, make sure uap0 is unmanaged: | Before starting with hostapd, it's important that NetworkManager is not managing the access point interface (uap0). If NetworkManager is running, make sure uap0 is unmanaged: | ||
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unmanaged-devices=interface-name:uap0; | unmanaged-devices=interface-name:uap0; | ||
=== | === Create /etc/hostapd.conf === | ||
The next step is to create /etc/hostapd.conf. The following table shows how to configure 802.11bgn, 802.11ac, and 802.11ax access points: | The next step is to create /etc/hostapd.conf. The following table shows how to configure 802.11bgn, 802.11ac, and 802.11ax access points: | ||
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|} | |} | ||
Note: When copying the text above, your file may contain zero width spaces at the end of each line (appearing as `^^k` in nano or hex `e2 80 8b` in hexdump). This will cause hostapd to fail. You can fix it by running: | |||
# sed 's/\xe2\x80\x8b//g' /etc/hostapd.conf > /etc/hostapd_cleaned.conf && mv /etc/hostapd_cleaned.conf /etc/hostapd.conf | |||
=== Configure /etc/dnsmasq.conf === | |||
<pre> | <pre> | ||
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no-dhcp-interface=wlan0 # Disable DHCP on wlan0 | no-dhcp-interface=wlan0 # Disable DHCP on wlan0 | ||
no-dhcp-interface=wfd0 # Disable DHCP on wfd0 | no-dhcp-interface=wfd0 # Disable DHCP on wfd0 | ||
# Configure ipv4 address range | |||
dhcp-range=192.168.10.10,192.168.10.100,12h # Set the DHCP range and lease time | dhcp-range=192.168.10.10,192.168.10.100,12h # Set the DHCP range and lease time | ||
# Configure ipv6 address range | |||
dhcp-range=fd00:1234::10,fd00:1234::100,12h # Set the DHCPv6 range and lease time | |||
# Enable Router Advertisement (RA) to inform clients of the IPv6 prefix | |||
enable-ra | |||
</pre> | </pre> | ||
Then, start hostapd and dnsmasq: | Then, assign uap0 an ip and start hostapd and dnsmasq: | ||
# ip addr add 192.168.10.1/24 dev uap0 | |||
# ip -6 addr add fd00:1234::1/64 dev uap0 | |||
# systemctl restart hostapd | # systemctl restart hostapd | ||
# systemctl restart dnsmasq | # systemctl restart dnsmasq | ||
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At this point, devices can connect and dhcp an ip address using the access point on uap0. | At this point, devices can connect and dhcp an ip address using the access point on uap0. | ||
=== | === Optionally configure NAT between uap0 and eth0: === | ||
<pre> | <pre> | ||