[Dnsmasq-discuss] DHCP server on Bridge
五月
allfox at live.cn
Sun Aug 30 12:25:32 BST 2015
Greetings,
I did have Dnsmasq on a bridge in the past. It works.
Could you try editing your /etc/network/interfaces to:
iface eth0 inet manual
iface eth1 inet manual
allow-hotplug br0
iface br0 inet static
bridge_ports eth0 eth1
address 192.168.1.1
netmask 255.255.255.0
gateway 192.168.1.1
For /etc/dnsmasq.conf:
dhcp-range=lan,192.168.1.5,192.168.1.500,255.255.255.0,5mFirstly, you couldn't have an address like 192.168.1.500, because IP only ranges from 1 to 255. And 1 is used by your gateway machine, 255 is for broardcast.
And I think 5 min is too short for DHCP lease.
Try edit this line to
dhcp-range=192.168.1.2,192.168.1.254,12h
I see you set a tag named "lan", I don't know this option, maybe someone else could help.
You don't need to mannually tell Dnsmasq those dhcp-options. By default, they're all pointing to the Dnsmasq machine.
Date: Sat, 29 Aug 2015 10:03:59 -0700
From: johnpearson555 at gmail.com
To: dnsmasq-discuss at lists.thekelleys.org.uk
Subject: [Dnsmasq-discuss] DHCP server on Bridge
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/interfacesiface eth0 inet manual
iface eth1 inet manual
iface br0 inet static
bridge_ports eth0 eth1
address 192.168.1.1
#dnsmasq.confdomain-needed
bogus-priv
no-resolv
no-poll
listen-address=127.0.0.1
listen-address=192.168.1.1
interface=br0
bind-interfacesdhcp-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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