[Openstack] Explaintion needed for localrc file

Jake G. dj_dark_junglist at yahoo.com
Thu Aug 1 02:38:45 UTC 2013

Thank you very much for this. Helped a lot

One question.

FLOATING_RANGE= (range not used on the local network), could you explain a little bit more? 
Say my host has the IP of on eth0.
Does this mean I should use something different than 


 From: Salvatore Orlando <sorlando at nicira.com>
To: Jake G. <dj_dark_junglist at yahoo.com> 
Cc: "openstack at lists.openstack.org" <openstack at lists.openstack.org> 
Sent: Thursday, August 1, 2013 6:38 AM
Subject: Re: [Openstack] Explaintion needed for localrc file

Hi Jake,

most of the info here have been shamelessly copied from http://devstack.org/guides/single-machine.html
In general devstack.org has plenty of information to understand how it deploys openstack and troubleshoot issues.


On 31 July 2013 08:59, Jake G. <dj_dark_junglist at yahoo.com> wrote:

Could someone please explain what the below are and how it relates to the openstack host network`s Network settings (eg. eth0 and eth1)
># network

Ethernet interface that connects the host to your local network. This is the interface that should be configured with the static IP 

configure the internal address space used by the instances 

Used by neutron to configure internal subnet's default gateway.

Should be configured to a range not used on the local network, i.e. This configures IP addresses ending in 225-254 to be used as floating IPs.

Not sure where it is used.  (Neutron uses a variable called PUBLIC_NETWORK_GATEWAY for a very similar purpose)

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