Did you found the same problem when using Grizzly version? 2014-05-14 zengshan2008 发件人：Ageeleshwar Kandavelu <Ageeleshwar.Kandavelu at csscorp.com> 发送时间：2014-05-14 17:00 主题：Re: [Openstack] [neutron] GRE network with 5 nodes 收件人："gustavo panizzo <gfa>"<gfa at zumbi.com.ar>,"<openstack at lists.openstack.org>"<openstack at lists.openstack.org> 抄送： I wasn't using ml2. I did a havana with neutron-openvswitch-agent. the old way. Its not only the latency. When I created external network and assigned floatingip and tried to reach it only one or two packets where reaching. it was 99% packet loss. ________________________________________ From: gustavo panizzo <gfa> [gfa at zumbi.com.ar] Sent: Wednesday, May 14, 2014 2:24 PM To: Ageeleshwar Kandavelu; <openstack at lists.openstack.org> Subject: Re: [Openstack] [neutron] GRE network with 5 nodes On 05/14/2014 03:56 AM, Ageeleshwar Kandavelu wrote: > > What I inferred was while using the GRE mode the switch's port were > constantly blinking indicating heavy traffic. I am aware that in GRE > mode there is a mesh of tunnels between the various nodes. I assumed > that the GRE mode was placing a burden too heavy on the switch and tore > down the setup and created a vlan setup instead. The performance was > good with vlan. > > Is this expected or I had been doing something wrong? i've observed the same behavior, gre adds more latency than vlan were you creating new VMs? ml2 pop layer plugin should help in that case -- 1AE0 322E B8F7 4717 BDEA BF1D 44BB 1BA7 9F6C 6333 http://www.csscorp.com/common/email-disclaimer.php _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack at lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20140514/ed622822/attachment.html>