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

livemoon mwjpiero at gmail.com
Wed Oct 24 06:21:41 UTC 2012


Thanks Dan

On Wed, Oct 24, 2012 at 2:15 PM, Dan Wendlandt <dan at nicira.com> wrote:

> On Tue, Oct 23, 2012 at 10:56 PM, livemoon <mwjpiero at gmail.com> wrote:
> > 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
>
> If you are using tunneling, the traffic will exit out the NIC based on
> your physical server's routing table and the destination IP of the
> tunnel.  For example, if your physical server is tunneling a packet to
> a VM on a physical server with IP W.X.Y.Z, the packet will leave
> whatever NIC has the route to reach W.X.Y.Z .
>
> Dan
>
>
>
>
> >
> > 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
>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Dan Wendlandt
> Nicira, Inc: www.nicira.com
> twitter: danwendlandt
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~
>



-- 
Blog Site: livemoon.org
Twitter: mwjpiero
非淡薄无以明志,非宁静无以致远
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