Are you using an of_listen_address value of an interface being brought down?
On Apr 25, 2017 17:34, "Gustavo Randich" <gustavo.rand...@gmail.com> wrote: > (using Mitaka / Ubuntu 16 / Neutron DVR / OVS / VXLAN / l2_population) > > This sounds very strange (to me): recently, after a switch outage, we lost > connectivity to all our Mitaka hosts. We had to enter via iLO host by host > and restart networking service to regain access. Then restart > neutron-openvswitch-agent to regain access to VMs. > > At first glance we thought it was a problem with the NIC linux driver of > the hosts not detecting link state correctly. > > Then we reproduced the issue simply bringing down physical interfaces for > around 5 minutes, then up again. Same issue. > > And then.... we found that if instead of using native (ryu) OpenFlow > interface in Neutron Openvswitch we used ovs-ofctl, the problem disappears. > > Any clue? > > Thanks in advance. > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : openst...@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > >
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