[Openstack-operators] neutron network configuration: linux bridges

Edgar Magana edgar.magana at workday.com
Thu Aug 28 14:12:01 UTC 2014

The difference between the first one and the second will be the security
When security groups are not enable, the tap interface gets connected
directly to the br-int.

Another good tutorial on Neutron will be this one:



On 8/28/14, 6:50 AM, "George Shuklin" <george.shuklin at gmail.com> wrote:

>I found something strange I can't solve by myself.
>Sometimes I getting configuration where VMs traffic get to the gre
>tunnes via following sequence: tap->qbr->qvb->qvo->br-int->br-tun->eth0.
>It described here:
>But sometimes I getting very different configuration:
>tap->br-int->br-tun->eth0. It working, and working fine. And I just
>can't find option or configuration difference, or combination of both
>which cause switching between 'simple' and 'normal' scheme. I feel like
>I don't understand something basic and something important.
>Any ideas? Thanks!
>OpenStack-operators mailing list
>OpenStack-operators at lists.openstack.org

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