[Openstack] [Openstack :: Folsom] Quantum Network Node setup

Skible OpenStack skible.openstack at gmail.com
Sat Nov 10 14:26:45 UTC 2012


Does anyone know how to configure l3 agent and dhcp agent when you have 
a router for each of your tenants !
i am loosing internet connection each time i don't assign a value to 
#router_id in the l3_agent.ini file !

Le 10/11/2012 15:06, balaji patnala a écrit :
> Hi Yong,
> I downloaded the Quantum Architecture in Folsom Powerpoint prepared by 
> you and found that in slide-10:
>
> lL3-agent
> lTo implement floating Ipsand other L3 features, such as NAT
> _lOne per network_
> Can you elaborate on the comment 'one per network' for L3-Agent.
> As i understood that the L3-Agent will be only one for complete setup.
> If we have more than one Network Node then we must install dhcp-agent 
> and L3-Agent in each of these Network Nodes.
> So, the comment of 'one per network' is like we can have one 
> router/gateway per tenant network.
> Can you give us your comments on this.
> bye,
> balaji
>
> On Wed, Oct 31, 2012 at 10:38 AM, balaji patnala <patnala003 at gmail.com 
> <mailto:patnala003 at gmail.com>> wrote:
>
>     Hi Yong,
>     Thanks for information.
>     I think you mean to say that these Quantum Network Node is not per
>     Tenant basis and it can serve all the Tenants of DC setup.
>     Just want to understand what will be the advantages we are
>     thinking of by doing so.
>     Regards,
>     Balaji
>     On Tue, Oct 30, 2012 at 2:26 PM, gong yong sheng
>     <gongysh at linux.vnet.ibm.com <mailto:gongysh at linux.vnet.ibm.com>>
>     wrote:
>
>         Hi,
>         In fact, we can split Quantum network Node into two categories:
>         one is for dhcp, which install ovs agent and dhcp agent. We
>         can have one such kind of node
>         one is for l3 agent, we can deal with one external network on
>         one l3 agent. We can have many nodes of this kind.
>
>         Regards,
>
>         Yong Sheng Gong
>
>         On 10/30/2012 02:27 PM, balaji patnala wrote:
>>         Hi Salvatore,
>>         Just want to understand more on Network Node in the below
>>         given app_demo page.
>>         As i see in the setup, it looks like there will be one
>>         Quantum Network Node for one Data centre setup. Please
>>         correct me if my assumptions are wrong.
>>         This Quantum Network Node will have all the virtual routers,
>>         gateway which can be created with quantum-l3-agent plugin.
>>         Also my assumption is that this quantum Network Node will
>>         serve all the Tenant virtual gateways and routers created
>>         using quantum.
>>         Please give us some more information on this to understand
>>         the setup.
>>         Also do we have any specific reason for having quantum
>>         Network Node instead of keeping these plugin on the
>>         Controller Node similar to earlier release like Essex.
>>         Thanks in advance.
>>         Regards,
>>         Balaji
>>
>>         On Fri, Oct 26, 2012 at 3:31 PM, Salvatore Orlando
>>         <sorlando at nicira.com <mailto:sorlando at nicira.com>> wrote:
>>
>>             Hi Trinath,
>>
>>             Even if is perfectly reasonable to run the DHCP/L3 agents
>>             in the controller node, the advice we give in the
>>             administration guide is slightly different.
>>             As suggested in [1], the only Quantum component running
>>             on the controller node should be the API server.
>>             The DHCP and L3 agents might run in a dedicated "network
>>             node". Please note you will need also the L2 agent
>>             running on that node.
>>
>>             Regards,
>>             Salvatore
>>
>>             [1]
>>             http://docs.openstack.org/trunk/openstack-network/admin/content/app_demo.html
>>
>>             On 26 October 2012 10:50, Trinath Somanchi
>>             <trinath.somanchi at gmail.com
>>             <mailto:trinath.somanchi at gmail.com>> wrote:
>>
>>                 Hi Stackers-
>>
>>                 I have found many installation and configuration
>>                 manuals for Openstack Folsom which state the
>>                 installation and configuration of Quantum-DHCP-Agent
>>                 in the Controller machine.
>>
>>                 But I have doubt here,
>>
>>                 Can't we have the Quantum-DHCP/L3-Agent to be running
>>                 in the Compute NODE rather than in the controller.
>>
>>                 How does the Installation and configuration change
>>                 with this type of Installation?
>>
>>                 Please guide me on How to achieve the same.
>>
>>                 Thanking you
>>
>>                 -- 
>>                 Regards,
>>                 ----------------------------------------------
>>                 Trinath Somanchi,
>>                 +91 9866 235 130 <tel:%2B91%209866%20235%20130>
>>
>>
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