[libvirt] Proposal: no dnsmasq (no dhcp and no dns) and no radvd option

Serge Hallyn serge.hallyn at canonical.com
Tue Nov 20 21:55:47 UTC 2012

Quoting Gene Czarcinski (gene at czarc.net):
> Laine mentioned something yesterday that got me to thinking: being
> able to specify that dnsmasq is not to be started for an interface.
> Let me expand that by saying that libvirt would not start dnsmasq
> for either dns or dhcp and also would not start radvd.  However, the
> IPv4 and IPv6 gateway addresses would be defined on the virtual
> network interface and the "usual" iptables and ip6tables rules would
> be in force.
> This would allow a user to configure dnsmasq to meet any user
> desires or use something completely different instead of dnsmasq.
> Questions:  Useful?  Worth the time and effort?  And then there is

Useful, yes, it's been requested by Scott Moser before

> how should this be specified in the network xml file? ... some new
> parameter?  ... A subperameter of <dns> such as <dns disable='yes'
> /> ?  ... a subparameter of <bridge> such as <bridge name="virbr0"
> dns="disable" /> ?
> Comments?  Suggestions?

No opinions from me, both seem doable.  Don't know if anyone will
eventually want further dns(masq) customization.


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