[Dnsmasq-discuss] DHCP server on Bridge

John Pearson johnpearson555 at gmail.com
Sat Aug 29 18:03:59 BST 2015


Hi all, I am trying to have Dnsmasq on a bridge ( br0 ) and also have it
serve as the DHCP server. Traffic is going through the bridge but devices
connected to eth1 don't have DHCP and DNS settings traversing. How to setup
dnsmasq on a bridge so that it is transparent but still acts as a dhcp
server and sets dns settings to all devices connected to eth1 ?

Here is my current setup :

# etc/network/interfaces

iface eth0 inet manual
iface eth1 inet manual

iface br0 inet static
   bridge_ports eth0 eth1
   address 192.168.1.1



#dnsmasq.conf

domain-needed
bogus-priv

no-resolv
no-poll

listen-address=127.0.0.1
listen-address=192.168.1.1
interface=br0

bind-interfaces

dhcp-range=lan,192.168.1.5,192.168.1.500,255.255.255.0,5m

# broadcast address (28)
dhcp-option=lan,28,192.168.1.255

# gateway address (3)
dhcp-option=lan,3,192.168.1.1

# DNS server (6)
dhcp-option=lan,6,192.168.1.1

dhcp-authoritative

server=8.8.8.8 server=8.8.4.4
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