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SysInfo:

  • ubuntu 18.04
  • external access point (with its own internal linux system) => interface ap1, IP: 192.168.13.1
  • external access point (USB stick) => interface ap0, IP: 192.168.12.1
  • hostapd running on ap0
  • dnsmasq running without being binded to any interface bc I need it to work on both interfaces
  • DNS must work on local-network only.

The problem is that when I connect through the ap1 and type "mydomain.com" on my browser it's not working unless I have the USB stick (ap0) attached and working.

IDK if the issue is with hostapd itself or dnsmasq.

My dnsmasq.conf:

localise-queries
resolv-file=/etc/dnsmasq.resolv.conf
no-hosts
addn-hosts=/etc/my.hosts
dhcp-range=192.168.12.20,192.168.12.150,255.255.255.0,12h
dhcp-range=192.168.13.20,192.168.13.150,255.255.255.0,12h
dhcp-option=option:domain-search,local
bind-dynamic

The addresses in the my.hosts file are setup like this:

<IP>\t<DOMAIN>

In that file I have all the addresses for both interfaces 192.168.12.1 and 192.168.13.1)

How do I make it work for both interfaces?

Ask for any extra information.

ZioCain
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1 Answers1

3

You need to specify dnsmasq which interface to use what network. You can do this with below change in your dnsmasq.conf file:

dhcp-range=ap0,192.168.12.20,192.168.12.150,255.255.255.0,12h
dhcp-range=ap1,192.168.13.20,192.168.13.150,255.255.255.0,12h

or,

dhcp-range=interface:ap0,192.168.12.20,192.168.12.150,255.255.255.0,12h
dhcp-range=interface:ap1,192.168.13.20,192.168.13.150,255.255.255.0,12h
ChandanK
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