+1 agree > On Feb 11, 2015, at 22:56, Girija Sharan <girijasharansi...@gmail.com> wrote: > > Hi Janki, > > I am totally agree with Chen. > It seems you are new to Openstack, and therefore I would like to suggest you > that it would be better if you follow three node installation. > For that here is a reference link : > https://github.com/ChaimaGhribi/OpenStack-Icehouse-Installation/blob/master/OpenStack-Icehouse-Installation.rst > > <https://github.com/ChaimaGhribi/OpenStack-Icehouse-Installation/blob/master/OpenStack-Icehouse-Installation.rst> > > Thanks and Regards, > Girija Sharan Singh > > On Thu, Feb 12, 2015 at 11:38 AM, Li, Chen <chen...@intel.com > <mailto:chen...@intel.com>> wrote: > Hi, > > > > From my understanding: > > > > 1. Namespace is created by neutron-dhcp-agent. > > You can run neutron-dhcp-agent anywhere you want. > > It is common to run neutron-dhcp-agent on control node, but it is not a > “MUST” demand. > > > > I won’t say the network “is created in Compute node ”, a network is > created in neutron, it related information stored in database. > > After an instance start, it is neutron’s job to make sure the > instance is working under a certain network. > > If you don’t start any instance, nothing real would happen in compute > node. > > > 2. Basically , br-ex is used for L3. > > If you don’t use floating IP, br-ex can be removed. > > > > 3. Control node is not connected to VM network, dnsmasq (DHCP server) > started by dhcp-agent connect to VM network, so VM can get IP address. <> > > > Thanks. > > -chen > > > > From: Janki Chhatbar [mailto:jankihchhat...@gmail.com > <mailto:jankihchhat...@gmail.com>] > Sent: Thursday, February 12, 2015 1:05 PM > To: openstack@lists.openstack.org <mailto:openstack@lists.openstack.org> > Subject: [Openstack] Namespaces and network > > > > Hi ALL > > I have doubts. > > I am having a 3 node architecture with Neutron. > > > > 1. Whenever we create a network, it is created in Compute node and its > namespace is stored in Control node. Instances will be created in compute > node. Is my understanding correct? > > 2. Why do we need 2 ovs bridges br-int, br-ex. Cant we have just br-int and > attach physical eth to it instead of attaching it to br-ex. > > 3. There are 3 types of networks namely, internal network which will carry > internal data, VM network connecting VMs and external network connected to > internet. My question is why is control node is connected to VM network. > > > > Janki Chhatbar > > M.Tech (Embedded Systems) > > Nirma University > > (+91) 9409239106 > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > Post to : openstack@lists.openstack.org > <mailto:openstack@lists.openstack.org> > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > > > !DSPAM:1,54dc513d81815158918759! > _______________________________________________ > 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 > > > !DSPAM:1,54dc513d81815158918759!
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