Hi, The DHCP agent runs the dnsmasq process. That is done on the network node. Thanks Gary
On 6/12/15, 2:35 PM, "Uwe Sauter" <uwe.sauter...@gmail.com> wrote: >Hi, > >== TL;DR == >Which neutron service manages the DNSMASQ processes? Does this run on the >controller node or the networking node? > > >== Long story == >I have a five node Juno installation (1 controller, 1 storage, 1 network >and 2 compute nodes). > >I followed the Juno Red Hat installation guide [1] up to the point where >the dashboard was installed, making modifications where >necessary to account for the additional nodes. I'm using Neutron / ML2 as >networking component with GRE tenant networks. > >I am able to sucessfully start a Cirros VM but that instance won't get an >IP address. To resolve this I followed a link [2] that >told to add logging to dnsmasq. Here the relevant parts on the *network* >node: > >/etc/neutron/dhcp_agent.ini >[DEFAULT] >interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver >dhcp_driver = neutron.agent.linux.dhcp.Dnsmasq >use_namespaces = True >dhcp_delete_namespaces = True >verbose = True >dnsmasq_config_file = /etc/neutron/dnsmasq-neutron.conf > > >/etc/neutron/dnsmasq-neutron.conf >dhcp-option-force=26,1454 >log-facility = /var/log/neutron/dnsmasq.log >log-dhcp > > >Then I realized that there were no dnsmasq processes on the networking >node but only on the controller node. Is this correct? I >was under the impression that neutron-dhcp-agent (running on the >networking node) is the service that maintains DHCP on the tenant >networks. > >So the question is: >Which service manages dnsmasq and on which node should that run on? > > >Thanks, > > Uwe > >[1] http://docs.openstack.org/juno/install-guide/install/yum/content/ >[2] >https://ask.openstack.org/en/question/63110/unable-to-get-dhcp-lease-in-ju >no/ > >_______________________________________________ >Mailing list: >http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >Post to : openstack@lists.openstack.org >Unsubscribe : >http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack