[libvirt] Proposed: replace radvd with dnsmasq for Router Advertizing

Jiri Denemark jdenemar at redhat.com
Fri Nov 2 15:58:24 UTC 2012

On Fri, Nov 02, 2012 at 08:25:42 -0400, Gene Czarcinski wrote:
> I have been doing some testing and dnsmasq is capable of handling the 
> service currently provided by radvd.  To implement this in dnsmasq 
> requires the following:
> if an IPv6 dhcp-range is specified, then add:
>        enable-ra
> if no IPv6 dhcp-range is specified, then add:
>        dhsp-range=<IPv6-subnet>,ra-only
> Tested.  The second one will work with basic dnsmasq-2.6.3.  The first 
> one and dhcp-range itself only works with dnsmasq-2.64 (when released) 
> or dnsmasq-2.63+patches.
> Since dnsmasq-2.48 does not support IPv6 dhcp but does handle IPv6 for 
> dns and CentOS 6 does include radvd, I also propose that a libvirtd.conf 
> option be added.  If the option is not present or set off, then radvd is 
> used.  If the option is set on, then dnsmasq is used.

I think this should rather be handled by configure script (perhaps with an
additional option if needed). Otherwise, I agree with the plan.


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