[Openstack] [OpenStack] Networking Issues

Brandon Adams brandon.adams at newwave-technologies.com
Fri Aug 2 15:57:34 UTC 2013

Also, on a completely unrelated note (but still very important) My nova
resource tracker only reports that I have 49 GB of available disk space for
the creation of VMs. This seems to reflect the approximate size of my root
partition. I'm wondering if I missed a setting that controls this? I have a
cinder-volumes group that is approx 450GB in size, so I'm not sure how
nova-compute is getting its numbers wrong. Thanks.

On Fri, Aug 2, 2013 at 11:01 AM, Brandon Adams <
brandon.adams at newwave-technologies.com> wrote:

> Hi all,
> I'm attempting to set up an installation of OpenStack Grizzly on a single
> node running Centos 6.4 with two NICs. eth0 is 192.168.0.x (public, other
> computers in the office are on this network) and eth1 is 10.0.0.x (using as
> private). A few questions:
> Does it make a difference that eth1, my private network, has internet
> access? My box is the only thing that has access to this network. It is
> managed by my offices router. I have a feeling this might be causing a
> problem somewhere.
> When I created my bridge, I gave it the default value of,
> and bridged it to eth1. When I did this, eth1 lost its IP address. Is this
> normal?
> When I spawn an instance through nova, it is assigned an IP from the range
> of the internal network (192.168.100.x). I've created a set of floating
> IPs, and assigned one to it. But whenever I try and access it with iptables
> up, the host is unreachable. When I disable iptables, it allows me to
> connect, but I'm connecting to the localhost, not the VM. Any thoughts?
> I can also dump any .conf files if anyone thinks it would help. I'd really
> appreciate any tips you all might have. Thanks.
> Brandon
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