On 05/14/2014 06:00 AM, Ageeleshwar Kandavelu wrote: > 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. that's not right, gre works fine, is just slower than vlan.
have you tried lowering your VMs mtu? > ________________________________________ > From: gustavo panizzo <gfa> [[email protected]] > Sent: Wednesday, May 14, 2014 2:24 PM > To: Ageeleshwar Kandavelu; <[email protected]> > 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 > -- 1AE0 322E B8F7 4717 BDEA BF1D 44BB 1BA7 9F6C 6333 _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
