[Openstack] How to commucation vms in multi nodes using quantum?

livemoon mwjpiero at gmail.com
Wed Oct 24 05:56:42 UTC 2012


Dan:
Thank you for your help.
If the server have three nics, which one will be used as port of "br-int".
I must know how "br-int" work between two machines, and then I can make the
physical interface which "br-int" use to one switch

On Wed, Oct 24, 2012 at 11:52 AM, Dan Wendlandt <dan at nicira.com> wrote:

> all you need to do is create a bridge named "br-int", which is what
> the linux devices representing the vm nics will be plugged into.
>
> since you are using tunneling, there is no need to create a br-ethX
> and add a physical interface to it.
>
> dan
>
> p.s. btw, your config looks like its using database polling, which is
> not preferred.  I'd suggest you use the default config, which uses RPC
> communication between agents and the main quantum-server process
>
>
> On Tue, Oct 23, 2012 at 8:44 PM, livemoon <mwjpiero at gmail.com> wrote:
> > I know in one node,vm can work well.
> > I want to know in multi nodes, do I need to create a br-ethX, and port
> the
> > physical interface to it? how to do that in configuration?
> >
> > On Wed, Oct 24, 2012 at 11:36 AM, 刘家军 <iamljj at gmail.com> wrote:
> >>
> >> you just need to create one or more networks and specify which network
> to
> >> use when booting vm.
> >>
> >> 2012/10/24 livemoon <mwjpiero at gmail.com>
> >>>
> >>> Hi, I use quantum as network. A question is if there are multi nodes,
> how
> >>> to config to make vms communicate with each other in the same subnet.
> >>>
> >>> I use openvswitch as my plugin. And my setting is blow:
> >>>
> >>> [DATABASE]
> >>> sql_connection = mysql://quantum:openstack@172.16.1.1:3306/quantum
> >>> reconnect_interval = 2
> >>>
> >>> [OVS]
> >>>
> >>> tenant_network_type = gre
> >>> tunnel_id_ranges = 1:1000
> >>> integration_bridge = br-int
> >>> tunnel_bridge = br-tun
> >>> local_ip = 172.16.1.2
> >>>
> >>> enable_tunneling = True
> >>>
> >>>
> >>> [AGENT]
> >>> polling_interval = 2
> >>> root_helper = sudo /usr/bin/quantum-rootwrap /etc/quantum/rootwrap.conf
> >>>
> >>> --
> >>> 非淡薄无以明志,非宁静无以致远
> >>>
> >>> _______________________________________________
> >>> Mailing list: https://launchpad.net/~openstack
> >>> Post to     : openstack at lists.launchpad.net
> >>> Unsubscribe : https://launchpad.net/~openstack
> >>> More help   : https://help.launchpad.net/ListHelp
> >>>
> >>
> >>
> >>
> >> --
> >> 刘家军@ljjjustin
> >>
> >
> >
> >
> > --
> > 非淡薄无以明志,非宁静无以致远
> >
> > _______________________________________________
> > Mailing list: https://launchpad.net/~openstack
> > Post to     : openstack at lists.launchpad.net
> > Unsubscribe : https://launchpad.net/~openstack
> > More help   : https://help.launchpad.net/ListHelp
> >
>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt
> Nicira, Inc: www.nicira.com
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>



-- 
非淡薄无以明志,非宁静无以致远
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