Hi,
If it can help, I wrote a documentation about Openstack Essex + Quantum + OVS in multi node architecture. Maybe you will find an answer : https://github.com/EmilienM/doc-openstack Regards On Wed, Jun 20, 2012 at 2:11 PM, Emilien Macchi <[email protected]>wrote: > Hi, > > > If it can help, I wrote a documentation about Openstack Essex + Quantum + > OVS in multi node architecture. > > Maybe you will find an answer : > > https://github.com/EmilienM/doc-openstack > > > > Regards > > > On Wed, Jun 20, 2012 at 8:03 AM, Gang Bao <[email protected]> wrote: > >> Description of my problem has been posted on >> https://answers.launchpad.net/quantum, but I have never received any >> idea from it :-( >> >> My environment includes two physical hosts. >> One of them (domain name cc201) installed all of nova components and >> Glance, Quantum, Keystone, Horizon, Open-vSwitch as controller and network >> node; the other installed only nova-compute, Quantum, Open-vSwitch as >> compute node. >> >> also I run quantum-agent, load 8021q module.etc >> Everything seems runs well. >> But I found a curious problem! >> >> On cc201, I create networks >> 192.168.153.0/24(network3<http://192.168.153.0/24%28network3>, >> its vlan ID is >> 6)、192.168.155.0/24(network5<http://192.168.155.0/24%28network5>, >> its vlan ID is 8) >> I run nova-manage on host cc201 to create VMs. >> the VMs are: >> 192.168.153.2 (on host cc201) >> 192.168.153.4 (on host cc202) >> 192.168.153.5 (on host cc202) >> 192.168.153.6 (on host cc202) >> 192.168.155.2 (on host cc201) >> 192.168.155.3 (on host cc201) >> 192.168.155.4 (on host cc202) >> >> I log on one of them to ping another of them and capture packets through >> eth1(eth1 interface the openvswitch port on both of my hosts cc201 and >> cc202, by using command ovs-vsctl add-port eth1 br-int), results are as >> below: >> >> I run tcpdump -i eth1 -v -w to capture and save packets >> when I log on 192.168.153.2 (on cc201, in vlan6): >> ping 192.168.153.4 (on cc202, in vlan6): (result is they connected) >> on eth1 of cc201:I can see vlan 6 tag in ICMP request and reply, it is >> what I expected >> on eth1 of cc202:I can see vlan 6 tag in ICMP request and reply, it is >> what I expected >> >> when I log on 192.168.153.2 (on cc201, in vlan 6): >> ping 192.168.155.2 (on cc201, in vlan8): (result is they are not >> connected) >> this result is also what I expect >> >> But when I log on 192.168.153.2 (on cc201, in vlan 6) >> ping 192.168.155.4 (on cc202, in vlan 8): (result is they connected!!!) >> on eth1 of cc201: I cannot see vlan 6 tag in ICMP, instead, I can see >> vlan 8 tag in ICMP request and reply!!! >> on eth1 of cc202: I cannot see vlan 6 tag in ICMP, instead, I can see >> vlan 8 tag in ICMP request and reply!!! >> another words, it has the wrong vlan tag! (expect 6 but actually 8!) >> >> so what happened ? Is this a known bug of quantum or openvswitch? >> >> more details is as below: >> 1)nova config on cc201: nova.conf--http://paste.openstack.org/show/18588/ >> nova-compute.conf--http://paste.openstack.org/show/18589/ >> 2)nova config on cc202: nova.conf--http://paste.openstack.org/show/18590/ >> nova-compute.conf--http://paste.openstack.org/show/18591/ >> 3)other command results on cc201--http://paste.openstack.org/show/18592/ >> 4)other command results on cc202--http://paste.openstack.org/show/18593/ >> >> when I ping from 192.168.153.2 to 192.168.155.2(result is not connected): >> on cc201, the execution result of command "ovs-dpctl dump-flows br-int" >> is as below: >> http://paste.openstack.org/show/18625/ >> and on cc201, the execution result of command "ovs-dpctl show": >> http://paste.openstack.org/show/18626/ >> >> >> when I ping from 192.168.153.2(on cc201) to 192.168.155.4(on >> cc202)(result if connected!!??) >> on cc201, the execution result of command "ovs-dpctl dump-flows br-int" >> is as below: >> http://paste.openstack.org/show/18627/ >> and on cc202, the execution result of command "ovs-dpctl show": >> http://paste.openstack.org/show/18628/ >> and on cc202, the execution result of command "ovs-dpctl dump-flows >> br-int" is as below: >> http://paste.openstack.org/show/18629/ >> >> >> >> >> _______________________________________________ >> discuss mailing list >> [email protected] >> http://openvswitch.org/mailman/listinfo/discuss >> >> > > > -- > *Emilien Macchi* > Phone : +33 685 117 748 > Twitter : EmilienMacchi <https://twitter.com/#/EmilienMacchi> > Website : http://my1.fr > > -- Emilien Macchi *SysAdmin (Intern)* *www.stackops.com* | [email protected]** * * ******************** ADVERTENCIA LEGAL ******************** Le informamos, como destinatario de este mensaje, que el correo electrónico y las comunicaciones por medio de Internet no permiten asegurar ni garantizar la confidencialidad de los mensajes transmitidos, así como tampoco su integridad o su correcta recepción, por lo que STACKOPS TECHNOLOGIES S.L. no asume responsabilidad alguna por tales circunstancias. 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