Open Stack

Following this link I configured it in my infrastructure. Maybe this can 
also help you.

https://www.softwareab.net/wordpress/openstack-adding-external-networks-neutron-gre/

Miguel.

El 04/06/15 23:15, Geo Varghese escribió:
> Thanks a lot friend for explaining it. I am also using ubuntu.
>
> let me try it. I will update you with the results.
>
> On Fri, Jun 5, 2015 at 2:20 AM, Abrahams.Noah <Noah.Abrahams at igt.com 
> <mailto:Noah.Abrahams at igt.com>> wrote:
>
>     Hi Geo,
>
>     First a disclaimer: I'm working on Ubuntu and Icehouse, so you
>     might have different behavior, based on your distributions.  Also,
>     I don't have all the specifics and flags you might need, but
>     hopefully this can point you in the right direction.  Also, also,
>     the design below accounts for some VLAN segregation, and may be
>     more complicated than what you need.
>
>     Since you already have the eth devices created, and assuming your
>     routing is correct: I would create a new bridge for each vlan with
>     ovs-vsctl (say, br-ex803 and br-ex805).  If you look at
>     http://openvswitch.org/support/dist-docs/ovs-vsctl.8.txt you can
>     find the syntax for add-br to create the bridge, then add-port to
>     bind it to the eth device.  You can also use ovs-vsctl to set the
>     trunks property on the port, after it's created, which you'll need
>     for the vlan tagging.  Then, create a new physnet to match each
>     one of those (physnet3, physnet4, etc) and include them in the
>     bridge-mapping as "physnet3:br-ex803", or something similar, and
>     specify the VLANs as belonging to that particular physnet in the
>     network_vlan_ranges parameter, like "...physnet3:803,physnet4:805".
>
>     After all that, you'll need to update the neutron sql database so
>     the entry in the network segments table will point to the correct
>     physnet.  Search it by the UUID of the network you're creating,
>     and update the physical_network property to match "physnet3" or
>     whatever you create.  Then you can create a subnet from that
>     network, allocate from it, and it should work.  You'll also need
>     to restart the openvswitch-agent and the L3-agent, probably before
>     you create the subnet.
>
>     *Noah Abrahams*
>
>     Staff Engineer @ IGT  |  Central Platforms and Apps
>
>     *From:*Geo Varghese [mailto:gvarghese at aqorn.com
>     <mailto:gvarghese at aqorn.com>]
>     *Sent:* Thursday, June 04, 2015 12:43 PM
>     *To:* Abrahams.Noah
>     *Cc:* openstack-operators at lists.openstack.org
>     <mailto:openstack-operators at lists.openstack.org>
>     *Subject:* Re: [Openstack-operators] Help with multiple external
>     network in openstack
>
>     Hi Noah,
>
>     Thanks a lot for valuable inputs.
>
>     I am using vlan tags for 2 external network and it configured on eth1.
>
>     The two interfaces for multiple external networks are eth1.803 and
>     eth1.805
>
>     Currently i didn't created br-ex bridge as it is multiple network.
>
>     I have added vlan rages as =>
>
>     network_vlan_ranges = physnet1:100:2999
>
>     bridge_mappings as
>
>     bridge_mappings =
>
>     Can you please explain what are the configurations I have to do to
>     implement it.
>
>     Thanks for your time.
>
>     On Fri, Jun 5, 2015 at 12:18 AM, Abrahams.Noah
>     <Noah.Abrahams at igt.com <mailto:Noah.Abrahams at igt.com>> wrote:
>
>     Geo,
>
>     You also need to set the gateway_external_network_id variable to
>     empty.  If you don't, the L3 agent is either using the gateway
>     from the network with the specified UUID, or can't figure out
>     which one to use.
>
>     Also, if the networks have VLAN tags that would be handled by the
>     switch, you might need to create that network on an entirely
>     separate bridge (for example: br-ex2) and bind it to your physical
>     interface.  After you do that, go through all the associations,
>     such as adding the new physnet# in your bridge mappings and vlan
>     ranges in your ml2_conf.ini.
>
>     *Noah Abrahams*
>
>     Staff Engineer @ IGT  |  Central Platforms and Apps
>
>     *From:*Geo Varghese [mailto:gvarghese at aqorn.com
>     <mailto:gvarghese at aqorn.com>]
>     *Sent:* Thursday, June 04, 2015 6:26 AM
>     *To:* openstack-operators at lists.openstack.org
>     <mailto:openstack-operators at lists.openstack.org>;
>     openstack at lists.openstack.org <mailto:openstack at lists.openstack.org>
>     *Subject:* [Openstack-operators] Help with multiple external
>     network in openstack
>
>     Hi Team,
>
>     I need some help to setup multiple external network
>
>
>     In normal single external network we create *br-ex* bridge and add
>     it in
>
>     /etc/neutron/l3_agent.ini
>
>     As
>
>     external_network_bridge = br-ex
>
>     It is working for me.
>
>     But in the case of multiple external network, this variable to be
>     set to empty according to the docs. I did that but seems working.
>
>     Any one please specify whta other changes i have to do to make it
>     working.
>
>     Thanks for your support guys.
>
>     --
>
>     Regards,
>
>     Geo Varghese
>
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>
>
>     -- 
>
>     --
>
>     Regards,
>
>     Geo Varghese
>
>     CONFIDENTIALITY NOTICE: This message is the property of
>     International Game Technology PLC and/or its subsidiaries and may
>     contain proprietary, confidential or trade secret information.
>     This message is intended solely for the use of the addressee. If
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>
>
> -- 
> -- 
> Regards,
> Geo Varghese
>
>
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