Hi, yes we test it w/o DVR and it runs performant, no problems.
We doublechecked the configuration and think its configured as suggested. On more thing; changing the mac-aging-timer for example to 30 seconds leads to performance problem after exactly 30 seconds (instead of default 300 secs). Any hint? Thanks, Matthias -----Original Message----- From: Somanchi Trinath [mailto:trinath.soman...@freescale.com] Sent: Thursday, May 14, 2015 7:20 AM To: Backhausen, Matthias; openstack@lists.openstack.org Subject: RE: [Neutron] DVR - mac-addr on br-int times out - bug ? Hi, I have some initial thoughts on this. [1] Did you test the traffic without DVR ? [2] I have this Google Doc, https://docs.google.com/document/d/1iXMAyVMf42FTahExmGdYNGOBFyeA4e74sAO3pvr_RjA/edit which can explain the setup. Is the setup and l3 agent configuration as suggested ? Can you recheck the same. -----Original Message----- From: Backhausen, Matthias [mailto:matthias.backhau...@ts.fujitsu.com] Sent: Wednesday, May 13, 2015 6:50 PM To: openstack@lists.openstack.org Subject: [Openstack] [Neutron] DVR - mac-addr on br-int times out - bug ? Hi, we did some performance tests with DVR and run into an issue we think its a bug, but I couldnt read sth similar about it. Would be great someone could comment. Could not imagine this isn't catched yet. Scenario: 2 VMs of same tenant but in different subnets talk to each other. The traffic flow is ... Traffic VM1 to VM2: ========= CN1 ==================== ======== CN2 =========== VM1--->br-int--->Router--->br-int--->br-tun---------->br-tun--->br-int--->VM2 Traffic VM2 to VM1: ========= CN2 ==================== ======== CN1 =========== VM2--->br-int--->Router--->br-int---br-tun----------->br-tun--->br-int--->VM1 This works as designed; however obviously br-int of CN1 never gets traffic from Router of CN1 (except the very first ARP response), same for br-int of CN2. This leads to mac timeout on br-int after 300 secs and degrades performance massively. Thanks, Matthias _______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : openstack@lists.openstack.org Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
https://github.com/ionosphere80/openstack-networking-guide/blob/master/scenario-dvr/scenario-dvr.md -> Gibts leider nicht mehr. War die entscheidende Quelle... -> Wahrscheinlich entspricht dem diese neue Seite: http://docs.openstack.org/networking-guide/deploy_scenario2.html http://docs.openstack.org/networking-guide/content/ha-dvr.html schmaustech.blogspot.de blog.gampel.net/2014/12/openstack-neutron-distributed-virtual.html blog.gampel.net/2014/12/openstack-dvr2-floating-ips.html blog.gampel.net/2015/openstack-DVR-SNAT.html Controller: /etc/neutron/neutron.conf [DEFAULT] router_distributed = True dvr_base_mac = fa:16:3f:00:00:00 /etc/neutron/plugins/ml2/ml2_conf.ini [ml2] type_drivers = flat,vxlan tenant_network_types = vxlan mechanism_drivers = openvswitch,l2population Network: /etc/neutron/neutron.conf [DEFAULT] router_distributed = True dvr_base_mac = fa:16:3f:00:00:00 /etc/neutron/plugins/ml2/ml2_conf.ini [ml2] type_drivers = flat,vxlan tenant_network_types = vxlan mechanism_drivers = openvswitch,l2population [agent] enable_distributed_routing = True l2_population = True arp_responder = True /etc/neutron/l3_agent.ini [DEFAULT] router_delete_namespaces = True agent_mode = dvr_snat Compute Nodes: /etc/neutron/neutron.conf [DEFAULT] router_distributed = True /etc/neutron/plugins/ml2/ml2_conf.ini [ml2] mechanism_drivers = openvswitch,l2population [agent] l2population = True tunnel_types = vxlan enable_distributed_routing = True arp_responder = True /etc/neutron/l3_agent.ini [DEFAULT] interface_driver = neutron.agent.linux.interface.OVSInterfaceDriver use_namespaces = True router_delete_namespaces = True external_network_bridge = br-ex agent_mode = dvr
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