[Openstack] Fwd: Re: How to make DevStack install OpenStack with Neutron?

Ian Y. Choi ian at naimnetworks.com
Tue Oct 7 05:36:14 UTC 2014

Hello Mike,

The main reason why floating IP addresses are not working in my video is 
that I used VirtualBox 4.2.

To support floating IP addresses, first of all, you need to pre-create a 
network which supports floating IP addresses,
and this floating IP network should support public network connection, 
although it might not be mandatory.

I used VirtualBox 4.2 and NAT functionality in VirtualBox, and the 
configuration for floating IP addresses are rather difficult in 
VirtualBox 4.2 environment.
(Of course, I can pre-create floating IP addresses using another 
technique, but it is so difficult to put all the things in one video.)

I had experiences that floating IP addresses are working well using 
VirtualBox 4.3.
But for this environment, you really need to configure FLOATING_RANGE 

When you configure FLOATING_RANGE, you also configure subnet because the 
configuration example would be

PUBLIC_NETWORK_GATEWAY is the gateway address you already had such as 
Neutron, and even DevStack does not create any public network gateway.

So, to summarize,
: All the required information for floating IP address range: IP 
address, subnet, and gateway are configured using those two options.
: You need to pre-create floating IP addresses before you install DevStack.

And yes. I wrongly pasted from the localrc file URL. Thank you!



Mike Spreitzer wrote, on 10/7/2014 1:36 PM:
> > From: "Ian Y. Choi" <ian at naimnetworks.com>
> > To: openstack at lists.openstack.org
> > Cc: Mike Spreitzer/Watson/IBM at IBMUS
> > Date: 10/06/2014 10:50 PM
> > Subject: Fwd: Re: [Openstack] How to make DevStack install OpenStack
> > with Neutron?
> > Hello,
> >
> > I'm not sure which Linux distribution you are using such as Redhat 
> and Ubuntu.
> > But, Hope that the two videos and localrc file would be helpful for you.
> >
> > - DevStack installation on VirtualBox: Icehouse with Neutron
> >
> > Video 1: http://youtu.be/zoi8WpGwrXM(Part 1: Installing Ubuntu
> > Linux on VirtualBox)
> > Video 2: http://youtu.be/1GgODv34E08(Part 2: Installing DevStack
> > with Neutron: Icehouse)
> > Localrc file: http://goo.gl/OeOGq
> Thank you, Ian.  I watched your videos. You pointed out that the 
> floating IP addresses are not working well for you.  Other people, 
> such as Salvatore Orlando in another reply to my question, have 
> claimed that floating IP addresses will work.  I would like to have 
> the floating IP addresses working well for me.
> In one of my replies to Salvatore I said that I am not picky.  Perhaps 
> I have one unusual requirement: I do not want to install OpenStack in 
> a VirtualBox VM.  I want to install OpenStack on a bare metal machine, 
> and I want to install OpenStack in a VM made by somebody else's 
> OpenStack installation.
> I noticed that you did not discuss the setting of FLOATING_RANGE and 
> PUBLIC_NETWORK_GATEWAY.  I suspect that, in order for floating IP 
> addresses to work correctly, the settings of these need to bear some 
> particular relationship to the host's IP address, netmask, and 
> gateway.  And I wonder whether PUBLIC_NETWORK_GATEWAY describes a 
> pre-existing gateway or one that DevStack will create.
> I am attempting only a single-node install.  I prefer to use Ubuntu 
> 14.04 on the host.  I want DevStack to install the latest code from 
> the "master" branch.
> I think there was a copy-and-paste error on the short URL for your 
> localrc; I presume you meant http://goo.gl/OeOGqL--- as in your video.
> Thanks,
> Mike

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