The metadata on DHCP agent is only provided when you have isolated networks, that means “networks with no router attached”. And it’s only enabled if you set True enable_isolated_metadata in /etc/neutron/dhcp_agent.ini Let me know if that works for you. Best regards, Miguel Ángel. Miguel Ángel Ajo On Tuesday, 12 de May de 2015 at 10:16, Nam Nguyễn Hoài wrote: > Hi everyone. Neutron uses two ways to supply metadata via DHCP_agent or L3_agent. So what situation do we use metadata via dhcp_agent or L3_agent? Can you guide me how config to supply metadata via DHCP_agent? > _______________________________________________ > OpenStack-operators mailing list > OpenStack-operators at lists.openstack.org (mailto:OpenStack-operators at lists.openstack.org) > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20150512/9ab677d2/attachment.html>