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[Openstack] Help with multiple external network in openstack

0 votes

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

externalnetworkbridge = 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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asked Jun 4, 2015 in openstack-operators by Geo_Varghese (2,260 points)   5 9

22 Responses

0 votes

Bridge mappings set in plugin.ini?

Thanks,
Kevin


From: Geo Varghese
Sent: Thursday, June 04, 2015 6:25:46 AM
To: openstack-operators@lists.openstack.org; openstack@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

externalnetworkbridge = 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


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Fox,_Kevin_M (29,360 points)   1 3 4
0 votes

Geo,

You also need to set the gatewayexternalnetwork_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@aqorn.com]
Sent: Thursday, June 04, 2015 6:26 AM
To: openstack-operators@lists.openstack.org; openstack@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

externalnetworkbridge = 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
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 you are not the intended recipient and have received this message in error, please delete this message from your system. Any unauthorized reading, distribution, copying, or other use of this message or its attachments is strictly prohibited.


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Abrahams.Noah (180 points)  
0 votes

Thanks for the reply Kevin.

Currently bridge mapping is empty string.

As I am not creating br-ex bridge due to multiple external network. Can you
please explain what i have to do.

On Thursday, June 4, 2015, Fox, Kevin M Kevin.Fox@pnnl.gov wrote:

Bridge mappings set in plugin.ini?

Thanks,
Kevin


From: Geo Varghese
Sent: Thursday, June 04, 2015 6:25:46 AM
To: openstack-operators@lists.openstack.org;
openstack@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

externalnetworkbridge = 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


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Geo_Varghese (2,260 points)   5 9
0 votes

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 =>

networkvlanranges = 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@igt.com
wrote:

Geo,

You also need to set the gatewayexternalnetwork_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@aqorn.com]
Sent: Thursday, June 04, 2015 6:26 AM
To: openstack-operators@lists.openstack.org;
openstack@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

externalnetworkbridge = 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
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 you are not the intended recipient and
have received this message in error, please delete this message from your
system. Any unauthorized reading, distribution, copying, or other use of
this message or its attachments is strictly prohibited.

--
--
Regards,
Geo Varghese


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Geo_Varghese (2,260 points)   5 9
0 votes

In /etc/neutron/plugins/openvswitch/ovsneutronplugin.ini currently we have:
bridge_mappings = pub:br-pub,scz:br-scz,osg:br-osg,mgmt:br-mgmt

Thanks,
Kevin


From: Geo Varghese [gvarghese@aqorn.com]
Sent: Thursday, June 04, 2015 12:29 PM
To: Fox, Kevin M
Cc: openstack-operators@lists.openstack.org; openstack@lists.openstack.org
Subject: Re: Help with multiple external network in openstack

Thanks for the reply Kevin.

Currently bridge mapping is empty string.

As I am not creating br-ex bridge due to multiple external network. Can you please explain what i have to do.

On Thursday, June 4, 2015, Fox, Kevin M Kevin.Fox@pnnl.gov wrote:
Bridge mappings set in plugin.ini?

Thanks,
Kevin


From: Geo Varghese
Sent: Thursday, June 04, 2015 6:25:46 AM
To: openstack-operators@lists.openstack.org; openstack@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

externalnetworkbridge = 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


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Fox,_Kevin_M (29,360 points)   1 3 4
0 votes

Kevin,

Thanks. Can you please explain these values

pub:br-pub,scz:br-scz,osg:br-osg,mgmt:br-mgmt

These 4 networks are external networks? How you created these bridges.

Can you please specify the value added for

networkvlanranges =

Are you using vlan tag fro external network.

Sorry for many questions :)

---------- Forwarded message ----------
From: Fox, Kevin M Kevin.Fox@pnnl.gov
Date: Fri, Jun 5, 2015 at 1:24 AM
Subject: RE: Help with multiple external network in openstack
To: Geo Varghese gvarghese@aqorn.com
Cc: "openstack-operators@lists.openstack.org" <
openstack-operators@lists.openstack.org>, "openstack@lists.openstack.org" <
openstack@lists.openstack.org>

In /etc/neutron/plugins/openvswitch/ovsneutronplugin.ini currently we
have:
bridge_mappings = pub:br-pub,scz:br-scz,osg:br-osg,mgmt:br-mgmt

Thanks,
Kevin


From: Geo Varghese [gvarghese@aqorn.com]
Sent: Thursday, June 04, 2015 12:29 PM
To: Fox, Kevin M
Cc: openstack-operators@lists.openstack.org; openstack@lists.openstack.org
Subject: Re: Help with multiple external network in openstack

Thanks for the reply Kevin.

Currently bridge mapping is empty string.

As I am not creating br-ex bridge due to multiple external network. Can
you please explain what i have to do.

On Thursday, June 4, 2015, Fox, Kevin M Kevin.Fox@pnnl.gov wrote:

Bridge mappings set in plugin.ini?

Thanks,
Kevin


From: Geo Varghese
Sent: Thursday, June 04, 2015 6:25:46 AM
To: openstack-operators@lists.openstack.org;
openstack@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

externalnetworkbridge = 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

--
--
Regards,
Geo Varghese


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Geo_Varghese (2,260 points)   5 9
0 votes

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 networkvlanranges 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@aqorn.com]
Sent: Thursday, June 04, 2015 12:43 PM
To: Abrahams.Noah
Cc: openstack-operators@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 =>

networkvlanranges = 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@igt.com wrote:
Geo,

You also need to set the gatewayexternalnetwork_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@aqorn.com]
Sent: Thursday, June 04, 2015 6:26 AM
To: openstack-operators@lists.openstack.org; openstack@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

externalnetworkbridge = 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
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 you are not the intended recipient and have received this message in error, please delete this message from your system. Any unauthorized reading, distribution, copying, or other use of this message or its attachments is strictly prohibited.

--
--
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 you are not the intended recipient and have received this message in error, please delete this message from your system. Any unauthorized reading, distribution, copying, or other use of this message or its attachments is strictly prohibited.


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Abrahams.Noah (180 points)  
0 votes

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@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 networkvlanranges 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@aqorn.com]
Sent: Thursday, June 04, 2015 12:43 PM
To: Abrahams.Noah
Cc: openstack-operators@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 =>

networkvlanranges = 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@igt.com
wrote:

Geo,

You also need to set the gatewayexternalnetwork_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@aqorn.com]
Sent: Thursday, June 04, 2015 6:26 AM
To: openstack-operators@lists.openstack.org;
openstack@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

externalnetworkbridge = 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

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 you are not the intended recipient and
have received this message in error, please delete this message from your
system. Any unauthorized reading, distribution, copying, or other use of
this message or its attachments is strictly prohibited.

--

--

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 you are not the intended recipient and
have received this message in error, please delete this message from your
system. Any unauthorized reading, distribution, copying, or other use of
this message or its attachments is strictly prohibited.

--
--
Regards,
Geo Varghese


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Geo_Varghese (2,260 points)   5 9
0 votes

Those are the 4 external networks. In this cloud, they are all linux bridges.

I'm not using vlan tagging on this cloud, so I'm not sure what that would look like.

Thanks,
Kevin


From: Geo Varghese [gvarghese@aqorn.com]
Sent: Thursday, June 04, 2015 1:02 PM
To: Fox, Kevin M
Cc: openstack-operators@lists.openstack.org; openstack@lists.openstack.org
Subject: Re: Help with multiple external network in openstack

Kevin,

Thanks. Can you please explain these values

pub:br-pub,scz:br-scz,osg:br-osg,mgmt:br-mgmt

These 4 networks are external networks? How you created these bridges.

Can you please specify the value added for

networkvlanranges =

Are you using vlan tag fro external network.

Sorry for many questions :)

---------- Forwarded message ----------
From: Fox, Kevin M Kevin.Fox@pnnl.gov
Date: Fri, Jun 5, 2015 at 1:24 AM
Subject: RE: Help with multiple external network in openstack
To: Geo Varghese gvarghese@aqorn.com
Cc: "openstack-operators@lists.openstack.org" openstack-operators@lists.openstack.org, "openstack@lists.openstack.org" openstack@lists.openstack.org

In /etc/neutron/plugins/openvswitch/ovsneutronplugin.ini currently we have:
bridge_mappings = pub:br-pub,scz:br-scz,osg:br-osg,mgmt:br-mgmt

Thanks,
Kevin


From: Geo Varghese [gvarghese@aqorn.com]
Sent: Thursday, June 04, 2015 12:29 PM
To: Fox, Kevin M
Cc: openstack-operators@lists.openstack.org; openstack@lists.openstack.org
Subject: Re: Help with multiple external network in openstack

Thanks for the reply Kevin.

Currently bridge mapping is empty string.

As I am not creating br-ex bridge due to multiple external network. Can you please explain what i have to do.

On Thursday, June 4, 2015, Fox, Kevin M Kevin.Fox@pnnl.gov wrote:
Bridge mappings set in plugin.ini?

Thanks,
Kevin


From: Geo Varghese
Sent: Thursday, June 04, 2015 6:25:46 AM
To: openstack-operators@lists.openstack.org; openstack@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

externalnetworkbridge = 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

--
--
Regards,
Geo Varghese


OpenStack-operators mailing list
OpenStack-operators@lists.openstack.org
http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
responded Jun 4, 2015 by Fox,_Kevin_M (29,360 points)   1 3 4
0 votes

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@igt.com
Noah.Abrahams@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@aqorn.com
<mailto:gvarghese@aqorn.com>]
*Sent:* Thursday, June 04, 2015 12:43 PM
*To:* Abrahams.Noah
*Cc:* openstack-operators@lists.openstack.org
<mailto:openstack-operators@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@igt.com <mailto:Noah.Abrahams@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@aqorn.com
<mailto:gvarghese@aqorn.com>]
*Sent:* Thursday, June 04, 2015 6:26 AM
*To:* openstack-operators@lists.openstack.org
<mailto:openstack-operators@lists.openstack.org>;
openstack@lists.openstack.org <mailto:openstack@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.
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in error, please delete this message from your system. Any
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Regards,
Geo Varghese


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responded Jun 5, 2015 by Miguel_A_Diaz_Corche (560 points)   1 3
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