Lance, We have a problem with communication between different hosts in OVN. Could you please take a look at the log below? The part with "dropping duplicate flow" sounds worrying.
Thanks, Marcin ----- Original Message ----- > From: "Devin Acosta" <de...@pabstatencio.com> > To: "users" <Users@ovirt.org> > Sent: Saturday, December 3, 2016 12:24:21 AM > Subject: [ovirt-users] oVIRT 4 / OVN / Communication issues of instances > between nodes. > > > Note: When I configured vdsm-tool ovn-config, I passed it the IP address of > the OVN-Controller which is using the ovirtmgmt network, which is just one > of the NIC's on the nodes. > > I am opening up new thread as this I feel differs a bit from my original > request. I have OVN which I believe is deployed correctly. I have noticed > that if instances get spun up on the same oVIRT node they can all talk > without issues to one another, however if one instance gets spun up on > another node even if it has the same (OVN network/subnet), it can't ping or > reach other instances in the subnet. I noticed that the OVN-Controller of > the instance that can't talk is logging: > > 2016-12-02T22:50:54.907Z|00181|pinctrl|INFO|DHCPOFFER 00:1a:4a:16:01:5c > 10.10.10.4 > 2016-12-02T22:50:54.908Z|00182|pinctrl|INFO|DHCPACK 00:1a:4a:16:01:5c > 10.10.10.4 > 2016-12-02T22:50:55.695Z|00183|ofctrl|INFO|Dropped 7 log messages in last 10 > seconds (most recently, 0 seconds ago) due to excessive rate > 2016-12-02T22:50:55.695Z|00184|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:51:10.705Z|00185|ofctrl|INFO|Dropped 6 log messages in last 15 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:51:10.705Z|00186|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:51:20.710Z|00187|ofctrl|INFO|Dropped 4 log messages in last 10 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:51:20.710Z|00188|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:51:35.718Z|00189|ofctrl|INFO|Dropped 5 log messages in last 15 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:51:35.718Z|00190|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:51:45.724Z|00191|ofctrl|INFO|Dropped 3 log messages in last 10 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:51:45.724Z|00192|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:51:55.730Z|00193|ofctrl|INFO|Dropped 5 log messages in last 10 > seconds (most recently, 0 seconds ago) due to excessive rate > 2016-12-02T22:51:55.730Z|00194|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:52:10.738Z|00195|ofctrl|INFO|Dropped 5 log messages in last 15 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:52:10.739Z|00196|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:52:20.744Z|00197|ofctrl|INFO|Dropped 3 log messages in last 10 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:52:20.744Z|00198|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:52:35.752Z|00199|ofctrl|INFO|Dropped 5 log messages in last 15 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:52:35.752Z|00200|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > 2016-12-02T22:52:45.758Z|00201|ofctrl|INFO|Dropped 4 log messages in last 10 > seconds (most recently, 5 seconds ago) due to excessive rate > 2016-12-02T22:52:45.758Z|00202|ofctrl|INFO|dropping duplicate flow: > table_id=32, priority=150, reg10=0x2/0x2, actions=resubmit(,33) > > From the OVN-Controller: > > [root@dev001-022-002 ~]# ovn-nbctl show > switch ddb3b92f-b359-4b59-a41a-ebae6df7fe9a (devins-net) > port 6b289418-8b8e-42b4-8334-c71584afcd3e > addresses: ["00:1a:4a:16:01:5c dynamic"] > port 71ef81f1-7c20-4c68-b536-d274703f7541 > addresses: ["00:1a:4a:16:01:61 dynamic"] > port 91d4f4f5-4b9f-42c0-aa2c-8a101474bb84 > addresses: ["00:1a:4a:16:01:5e dynamic"] > > Do I need to do something special in order to allow communication between > nodes of instances on same OVN network? > > Output of ovs-vsctl show from node3: > > 61af799c-a621-445e-8183-23dcb38ea3cc > Bridge br-int > fail_mode: secure > Port "ovn-456949-0" > Interface "ovn-456949-0" > type: geneve > options: {csum="true", key=flow, remote_ip="172.10.10.74"} > Port "ovn-c0dc09-0" > Interface "ovn-c0dc09-0" > type: geneve > options: {csum="true", key=flow, remote_ip="172.10.10.73"} > Port br-int > Interface br-int > type: internal > ovs_version: "2.6.90" > > -- > > Devin Acosta > Red Hat Certified Architect, LinuxStack > 602-354-1220 || de...@linuxguru.co > > _______________________________________________ > Users mailing list > Users@ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > _______________________________________________ Users mailing list Users@ovirt.org http://lists.ovirt.org/mailman/listinfo/users