My VMs don't get IP with libvirt and dnsmasq

[Michal Privoznik]

On 4/17/20 12:44 PM, Computers Issues wrote:
> Hello!
> 
> Thanks for your answer.
> 
> Well, I think it has to ask for an IP as I have the same configuration 
> in a different machine (with the same OS) and it works, there I see the 
> DHCP packets and so on, but not here.

Well, do you actually see DHCP traffic on the virbr2 bridge? Because if 
not then the guest configuration is probably not correct.

> And yeah, that pepito.conf file 
> exists, this is its content:
> ##WARNING:  THIS IS AN AUTO-GENERATED FILE. CHANGES TO IT ARE LIKELY TO BE
> ##OVERWRITTEN AND LOST.  Changes to this configuration should be made using:
> ##    virsh net-edit pepito
> ## or other application using the libvirt API.
> ##
> ## dnsmasq conf file created by libvirt
> strict-order
> user=libvirt-dnsmasq
> pid-file=/var/run/libvirt/network/pepito.pid
> except-interface=lo
> bind-dynamic
> interface=virbr2
> dhcp-range=192.168.150.2,192.168.150.254
> dhcp-no-override
> dhcp-authoritative
> dhcp-lease-max=253
> dhcp-hostsfile=/var/lib/libvirt/dnsmasq/pepito.hostsfile
> addn-hosts=/var/lib/libvirt/dnsmasq/pepito.addnhosts

This looks good. I suspect it is the guest not asking for DHCP. If it 
did, this configuration would assign an IP address.

Michal