Re: [libvirt-users] How libvirt interacts with dhcpd?

On 06/18/2018 09:16 AM, Daniel. wrote: > Cool, thanks!! Does it have logs? Whatever dnsmasq chooses to log, and wherever it chooses to log it. (I actually looked once to see if there was a way of reducing the amount of logging, and didn't find much of anything useful.) If you were planning to learn the current IP address of a particular guest's interface by looking at the logs, you can instead use the virsh domifaddr to to that. > > > Cheers > > Em 18/06/2018 12:55 AM, "Laine Stump" <laine(a)redhat.com > <mailto:laine@redhat.com>> escreveu: > > On 06/15/2018 06:49 PM, Daniel. wrote: > > Hi everybody, > > > > I'm using libvirt together with xCAT, on the same host, for testing > > purposes. xCAT install and manages dhcpd. How libvirt interacts with > > dhcpd? And if doens't how does the dhcp server of libvirt works, plus > > where I can find information on how to troubleshot it? > > libvirt doesn't use dhcpd. It runs a separate instance of dnsmasq for > each virtual network that is defined within libvirt. Each instance > listens *only* on the bridge device that was created by libvirt for that > network. IIfi dhcpd has an option that tells it to listen on all > interfaces (or to automatically start listening on any new interface > that is created), you should disable that option so that it doesn't > attempt to listen for dhcp requests on the bridges created by libvirt. > >