[openstack-dev] [neutron][ml2][drivers][openvswitch] Question

Kevin Benton kevin at benton.pub
Fri Jun 23 12:15:18 UTC 2017


Yes, let's move discussion to bug report.

On Fri, Jun 23, 2017 at 5:01 AM, Margin Hu <today.good at 163.com> wrote:

> Hi kevin,
>
> [ovs]
> bridge_mappings = physnet1:br-ex,physnet2:provision,physnet3:provider
> ovsdb_connection = tcp:10.53.16.12:6640
> local_ip = 10.53.32.12
> you can check the attachement,  and more logs can be found at
> https://bugs.launchpad.net/neutron/+bug/1697243
>
>
> On 6/23 16:43, Kevin Benton wrote:
>
> Can you provide your ml2_conf.ini values you are using?
>
> On Thu, Jun 22, 2017 at 7:06 AM, Margin Hu <today.good at 163.com> wrote:
>
>> thanks.
>>
>> I met an issue , I  configured three ovs bridge ( br-ex, provision,
>> provider) in ml2_conf.ini  but after I reboot the node , found only 2
>> bridges flow table is normal , the other one bridge's flow table is empty.
>>
>> the bridge sometimes is "provision" , sometimes is "provider" ,  which
>> possibilities is there for this issue.?
>> [root at cloud]# ovs-ofctl show provision
>> OFPT_FEATURES_REPLY (xid=0x2): dpid:0000248a075541e8
>> n_tables:254, n_buffers:256
>> capabilities: FLOW_STATS TABLE_STATS PORT_STATS QUEUE_STATS ARP_MATCH_IP
>> actions: output enqueue set_vlan_vid set_vlan_pcp strip_vlan mod_dl_src
>> mod_dl_dst mod_nw_src mod_nw_dst mod_nw_tos mod_tp_src mod_tp_dst
>>  1(bond0): addr:24:8a:07:55:41:e8
>>      config:     0
>>      state:      0
>>      speed: 0 Mbps now, 0 Mbps max
>>  2(phy-provision): addr:2e:7c:ba:fe:91:72
>>      config:     0
>>      state:      0
>>      speed: 0 Mbps now, 0 Mbps max
>>  LOCAL(provision): addr:24:8a:07:55:41:e8
>>      config:     0
>>      state:      0
>>      speed: 0 Mbps now, 0 Mbps max
>> OFPT_GET_CONFIG_REPLY (xid=0x4): frags=normal miss_send_len=0
>> [root at cloud]# ovs-ofctl dump-flows  provision
>> NXST_FLOW reply (xid=0x4):
>>
>> [root at cloud]# ip r
>> default via 192.168.60.247 dev br-ex
>> 10.53.16.0/24 dev vlan16  proto kernel  scope link  src 10.53.16.11
>> 10.53.17.0/24 dev provider  proto kernel  scope link  src 10.53.17.11
>> 10.53.22.0/24 dev vlan22  proto kernel  scope link  src 10.53.22.111
>> 10.53.32.0/24 dev vlan32  proto kernel  scope link  src 10.53.32.11
>> 10.53.33.0/24 dev provision  proto kernel  scope link  src 10.53.33.11
>> 10.53.128.0/24 dev docker0  proto kernel  scope link  src 10.53.128.1
>> 169.254.0.0/16 dev vlan16  scope link  metric 1012
>> 169.254.0.0/16 dev vlan22  scope link  metric 1014
>> 169.254.0.0/16 dev vlan32  scope link  metric 1015
>> 169.254.0.0/16 dev br-ex  scope link  metric 1032
>> 169.254.0.0/16 dev provision  scope link  metric 1033
>> 169.254.0.0/16 dev provider  scope link  metric 1034
>> 192.168.60.0/24 dev br-ex  proto kernel  scope link  src 192.168.60.111
>>
>> what' the root cause ?
>>
>>  rpm -qa | grep openvswitch
>> openvswitch-2.6.1-4.1.git20161206.el7.x86_64
>> python-openvswitch-2.6.1-4.1.git20161206.el7.noarch
>> openstack-neutron-openvswitch-10.0.1-1.el7.noarch
>>
>>
>>
>> On 6/22 9:53, Kevin Benton wrote:
>>
>> Rules to allow aren't setup until the port is wired and it calls the
>> functions like this:
>> https://github.com/openstack/neutron/blob/master/neutron/plu
>> gins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L602-L606
>>
>> On Wed, Jun 21, 2017 at 4:49 PM, Margin Hu <today.good at 163.com> wrote:
>>
>>> Hi Guys,
>>>
>>> I have a question in setup_physical_bridges funtion  of
>>> neutron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py
>>>
>>>      # block all untranslated traffic between bridges
>>>             self.int_br.drop_port(in_port=int_ofport)
>>>             br.drop_port(in_port=phys_ofport)
>>>
>>> [refer](https://github.com/openstack/neutron/blob/master/neu
>>> tron/plugins/ml2/drivers/openvswitch/agent/ovs_neutron_agent.py#L1159)
>>>
>>> when permit traffic between bridges ?  when modify flow table of ovs
>>> bridge?
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>
>>
>>
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>>
>>
>
>
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