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Error when add bridge and port (OvSwitch on Hyper-v 2012)

asked 2015-08-28 18:24:59 +0300

IlyaSA gravatar image

Hi! I've used two instructions from your side - and but when I added bridge (or port) I received error like - Error detected while setting up 'external'. See ovs-vswitchd log for details First of all, there are no ovs-vswitchd log-file on the system. I can see ovs-vswitchd errors only if I start ovs-vswitchd in command line, or add '--log-file' option. As a result, ovs on hyperv doesn't work - in my case the instance can't receive IP-address and so on. I'm not sure where to attach logs, so here it is - From windows -

PS C:\Users\Administrator> Get-VMSwitchExtension hypervsw

Id : EA24CD6C-D17A-4348-9190-09F0D5BE83DD Name : Microsoft NDIS Capture Vendor : Microsoft Version : 6.2.9200.16384 ExtensionType : Monitoring ParentExtensionId : ParentExtensionName : SwitchId : 394F7713-5B48-419A-A990-743BF32C8F38 SwitchName : hypervsw Enabled : False Running : False ComputerName : WINDOWS-HV1 IsDeleted : False

Id : E7C3B2F0-F3C5-48DF-AF2B-10FED6D72E7A Name : Microsoft Windows Filtering Platform Vendor : Microsoft Version : 6.2.9200.17218 ExtensionType : Filter ParentExtensionId : ParentExtensionName : SwitchId : 394F7713-5B48-419A-A990-743BF32C8F38 SwitchName : hypervsw Enabled : True Running : True ComputerName : WINDOWS-HV1 IsDeleted : False

Id : 583CC151-73EC-4A6A-8B47-578297AD7623 Name : Open vSwitch Extension Vendor : Open vSwitch Version : ExtensionType : Forwarding ParentExtensionId : ParentExtensionName : SwitchId : 394F7713-5B48-419A-A990-743BF32C8F38 SwitchName : hypervsw Enabled : True Running : False ComputerName : WINDOWS-HV1 IsDeleted : False

and ovs-vswitchd output - 2015-08-28T12:35:15.531Z|00001|vlog|INFO|opened log file C:/ProgramData/openvswitch/ovs-vswitchdMy.log 2015-08-28T12:35:15.536Z|00002|reconnect|DBG|unix:C:/ProgramData/openvswitch/db.sock: entering BACKOFF 2015-08-28T12:35:15.539Z|00003|reconnect|INFO|unix:C:/ProgramData/openvswitch/db.sock: connecting... 2015-08-28T12:35:15.541Z|00004|reconnect|DBG|unix:C:/ProgramData/openvswitch/db.sock: entering CONNECTING 2015-08-28T12:35:15.542Z|00005|reconnect|INFO|unix:C:/ProgramData/openvswitch/db.sock: connected 2015-08-28T12:35:15.545Z|00006|reconnect|DBG|unix:C:/ProgramData/openvswitch/db.sock: entering ACTIVE 2015-08-28T12:35:15.563Z|00007|jsonrpc|DBG|unix:C:/ProgramData/openvswitch/db.sock: send request, method="monitor", params=["OpenvSwitch",null,{"sFlow":{"columns":["agent","header","polling","sampling","targets"]},"SSL":{"columns":["bootstrapcacert","cacert","certificate","privatekey"]},"Port":{"columns":["bondactiveslave","bonddowndelay","bondfakeiface","bondmode","bondupdelay","fakebridge","interfaces","lacp","mac","name","otherconfig","qos","rstpstatistics","rstpstatus","statistics","status","tag","trunks","vlanmode"]},"Controller":{"columns":["connectionmode","controllerburstlimit","controllerratelimit","enableasyncmessages","inactivityprobe","isconnected","localgateway","localip","localnetmask","maxbackoff","otherconfig","role","status","target"]},"Bridge":{"columns":["controller","datapathid","datapathtype","datapathversion","failmode","floodvlans","flowtables","ipfix","mcastsnoopingenable","mirrors","name","netflow","otherconfig","ports","protocols","rstpenable","rstpstatus","sflow","status","stpenable"]},"FlowSampleCollectorSet":{"columns":["bridge","id","ipfix"]},"Queue":{"columns":["dscp","otherconfig"]},"FlowTable":{"columns":["externalids","flowlimit","groups","name","overflowpolicy","prefixes"]},"Mirror":{"columns":["name","outputport","outputvlan","selectall","selectdstport","selectsrcport","selectvlan","statistics"]},"OpenvSwitch":{"columns":["bridges","curcfg","manageroptions","nextcfg","otherconfig","ssl","statistics"]},"NetFlow":{"columns":["activetimeout","addidtointerface","engineid","enginetype","targets"]},"IPFIX":{"columns":["cacheactive ... (more)

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answered 2015-09-29 19:44:09 +0300

aserdean gravatar image

Hi IlyaSA, Sorry for the delayed response. But GRE is not currently suported by OVS 2.4.0. If you want to set up a Kilo environment you can follow the steps in the following link:

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answered 2015-08-29 00:09:27 +0300

aserdean gravatar image


The reason you are getting the error is due to an outdated documentation.

Please refer to the following answer:

Short story instead of issuing:

ovs-vsctl.exe add-port br0 external

you should now issue:

ovs-vsctl.exe add-port br0 external.1

ovs-vsctl.exe add-port br0 internal

" In OVS for Hyper-V, we use 'external' as a special name to refer to the physical NICs connected to the Hyper-V switch. An index is added to this special name to refer to the particular physical NIC. Eg. 'external.1' refers to the first physical NIC on the Hyper-V switch.

Note: Currently, we assume that the Hyper-V switch on which OVS extension is enabled has a single physical NIC connected to it.

Interal port is the virtual adapter created on the Hyper-V switch using the 'AllowManagementOS' setting. In OVS for Hyper-V, we use a 'internal' as a special name to refer to that adapter."

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Thank you it was helpful. And what about the command line 'ovs-vsctl.exe add-port br0 gre-1' I got the same error what do I have to type ? I have only 2 NICs in the compute node. The first one I called it 'external' which is the vswitch for hyper-v and it is considered as Data VM Traffic connected to the network node and the second one is considered as Management Network connected to the controller node

Rochdi gravatar imageRochdi ( 2015-09-07 17:58:07 +0300 )edit

Hello and thank you for your answer. Also I need to thank you for the latest OVS from 01.09.15.Now I can add ovs-switch and there are no errors, Also, by your instructions,I can add 'external.1' and internal ports. But I have error when trying to add 'gre-1' port. Also, new release still has problem with creation of the ovs-vswitchd log - this file doesn't exist. Can you help me again?

IlyaSA gravatar imageIlyaSA ( 2015-09-14 15:46:44 +0300 )edit

Hello again - below is the error output, when I'm trying to add port "gretun2". If I'm ignoring this error and continue the configuration of the 'gretun2' port, then when I added 'local_ip" option for the 'gretun2" port, the windows server became unavailable until it was returned to the 'last known good configuration'. 2015-09-14T15:33:23.079Z|00002|vlog|INFO|opened log file C:\ProgramData\openvswitch\1.log 2015-09-14T15:33:23.081Z|00003|reconnect|DBG|unix:C:\ProgramData\openvswitch\/db.sock: entering BACKOFF 2015-09-14T15:33:23.085Z|00004|reconnect|INFO|unix:C:\ProgramData\openvswitch\/db.sock: connecting... 2015-09-14T15:33:23.087Z|00005|reconnect|DBG|unix:C:\ProgramData\openvswitch\/db.sock: entering CONNECTING 2015-09-14T15:33:23.089Z|00006|poll_loop|DBG|wakeup due to 0-ms timeout 2015-09-14T15:33:23.090Z|00007|reconnect|INFO|unix:C:\ProgramData\openvswitch\/db.sock: connected 2015-09-14T15:33:23.092Z|00008|reconnect|DBG|unix:C:\ProgramData\openvswitch\/db.sock: entering ACTI

IlyaSA gravatar imageIlyaSA ( 2015-09-14 19:31:24 +0300 )edit

VE 2015-09-14T15:33:23.093Z|00009|jsonrpc|DBG|unix:C:\ProgramData\openvswitch\/db.sock: send request, method="get_schema", params=["Open_vSwitch"], id=0 2015-09-14T15:33:23.148Z|00010|jsonrpc|DBG|unix:C:\ProgramData\openvswitch\/db.sock: received reply, result={"cksum":"2211824403 22535","name":"Open_vSwitch","version":"7.12.1","tables":{"Controller":{"columns":{"is_connected":{"ephemeral":true,"type":"boolean"},"connection_mode":{"type":{"min":0,"key":{"type":"string","enum":["set",["in-band","out-of-band"]]}}},"local_gateway":{"type":{"min":0,"key":"string"}},"enable_async_messages":{"type":{"min":0,"key":"boolean"}},"external_ids":{"type":{"max":"unlimited","min":0,"value":"string","key":"string"}},"other_config":{"type":{"max":"unlimited","min":0,"value":"string","key":"string"}},"status":{"ephemeral":true,"type":{"max":"unlimited","min":0,"value":"string","key":"string"}},"local_netmask":{"type":{"min":0,"key":"string"}},"controller_burst_limit":{"type":{"min":0,"key":{"minInteger

IlyaSA gravatar imageIlyaSA ( 2015-09-14 19:32:54 +0300 )edit

Sorry, I don't know how to add whole error message in comments...

IlyaSA gravatar imageIlyaSA ( 2015-09-14 19:34:50 +0300 )edit

answered 2015-09-18 13:47:43 +0300

IlyaSA gravatar image

At the current moment OVS 2.4.0 can only crash my system. I'll be waiting for the OVS's future releases with hope

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OVS 2.5 has been released some time ago. You can try it out.

Claudiu Belu gravatar imageClaudiu Belu ( 2016-11-09 19:05:21 +0300 )edit

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Asked: 2015-08-28 18:24:59 +0300

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Last updated: Sep 18 '15