libvirt/routed-network-no-dns.xml at fb5949748420ebcc63be53fd11feafd089d3284a - libvirt - Gitea

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Laine Stump 9065cfaa88 network: allow disabling dnsmasq's DNS server

If you define a libvirt virtual network with one or more IP addresses,
it starts up an instance of dnsmasq. It's always been possible to
avoid dnsmasq's dhcp server (simply don't include a <dhcp> element),
but until now it wasn't possible to avoid having the DNS server
listening; even if the network has no <dns> element, it is started
using default settings.

This patch adds a new attribute to <dns>: enable='yes|no'. For
backward compatibility, it defaults to 'yes', but if you don't want a
DNS server created for the network, you can simply add:

   <dns enable='no'/>

to the network configuration, and next time the network is started
there will be no dns server created (if there is dhcp configuration,
dnsmasq will be started with "port=0" which disables the DNS server;
if there is no dhcp configuration, dnsmasq won't be started at all).

2016-08-19 21:10:34 -04:00

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 <network>
   <name>local</name>
   <uuid>81ff0d90-c91e-6742-64da-4a736edb9a9b</uuid>
   <forward dev='eth1' mode='route'>
     <interface dev='eth1'/>
   </forward>
   <bridge name='virbr1' stp='on' delay='0'/>
   <mac address='12:34:56:78:9a:bc'/>
   <dns enable='no'/>
   <ip address='192.168.122.1' netmask='255.255.255.0'>
   </ip>
 </network>