There's no real reason as far as I'm aware, just an implementation decision. > On 21 במאי 2015, at 01:48, Na Zhu <nazhu at cn.ibm.com> wrote: > > Dear, > > > When OVS plugin is used with GRE option in Neutron, I see that each compute > node has br-tun and br-int bridges created. > > I'm trying to understand why we need the additional br-tun bridge here. > Can't we create tunneling ports in br-int bridge, and have br-int relay > traffic between VM ports and tunneling ports directly? Why do we have to > introduce another br-tun bridge? > > > Regards, > Juno Zhu > Staff Software Engineer, System Networking > China Systems and Technology Lab (CSTL), IBM Wuxi > Email: nazhu at cn.ibm.com > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: OpenStack-dev-request at lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20150523/81467017/attachment.html>