Hi, My goal is to experiment the last version of OpendayLight in order to manage 4 OpenVSwitch (OVS) and more than 50 VM connected on each OVS. So, I will analyze the performance of Opendaylight with more than 200 VM in a first step.
My problem is the following. One VM is a DHCP server and it received all DHCP request of each VM but the OVS drop all DHCP answer : sudo ovs-appctl bridge/dump-flows OF1 .... table_id=254, duration=725s, n_packets=1544, n_bytes=458176, priority=0,reg0=0x2,actions=drop ... If I shutdown the controller, each VM receives an IP and when I start the controller again, with the same configuration, all flows are installed correctly because each VM has an IP. If I set an IP manually on a VM, I can ping without any problem the DHCP server. The problem seems to be the DHCP packet. I use Opendaylight with the feature odl-l2switch-switch-ui installed (and so also the odl-l2switch-switch). I configured the following file : etc/opendaylight/datastore/initial/config/l2switch-config_l2switch-config.xml <?xml version="1.0" encoding="UTF-8"?> <l2switch-config xmlns="urn:opendaylight:l2switch:l2switch-config"> <is-install-dropall-flow>false</is-install-dropall-flow> </l2switch-config> and arp-handler-config_arp-handler-config.xml <?xml version="1.0" encoding="UTF-8"?> <arp-handler-config xmlns="urn:opendaylight:packet:arp-handler-config"> <is-proactive-flood-mode>true</is-proactive-flood-mode> </arp-handler-config> It is possible to test with only 2 VM, one DHCP server and one DHCP client on the same OVS. I'm on this problem from 2 weeks and I don't find a solution ! Thanks Best regards
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