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flat_injected without DHCP issue

We have liberty openstack running with neutron flat VLAN networking. some reason we are not using DHCP but question is how instance going to get or configure IP address?

I did following on compute node but doesn't work.

/etc/nova/nova.conf

flat_injected=true

How do i troubleshoot why it's not getting ip configured or injected to instance, We are using CentOS-7 in our environment.

flat_injected without DHCP issue

We have liberty openstack running with neutron flat VLAN networking. some reason we are not using DHCP but question is how instance going to get or configure IP address?

I did following on compute node but doesn't work. We have neutron VLAN networking.

/etc/nova/nova.conf

flat_injected=true

How do i troubleshoot why it's not getting ip configured or injected to instance, We are using CentOS-7 in our environment.