[ovs-discuss] How to create mirror packet over GRE on OVS+DPDK

[Sun Paul]

do you mean I need to bridge the management interface to bridge as well?

On Mon, Sep 25, 2017 at 2:14 PM, Guoshuai Li <ligs at dtdream.com> wrote:
> You can catch packets on your management interface.
>
>
> I guess your package sent to the userspace from vm by dpdk , and then
> through the tunnel to return to the kernel.
>
> I do not know if this will be a problem.
>
>
> I suggest you can try your management interface using OVS bridge with dpdk,
> such as "g1".
>
>
> This is my configuration:
>
> 7: br-agg: <BROADCAST,PROMISC,UP,LOWER_UP> mtu 1600 qdisc pfifo_fast state
> UP qlen 1000
>     link/ether 6c:92:bf:04:f9:18 brd ff:ff:ff:ff:ff:ff
>     inet 10.157.145.213/24 brd 10.157.145.255 scope global br-agg
>        valid_lft forever preferred_lft forever
>     inet6 fe80::6e92:bfff:fe04:f918/64 scope link
>        valid_lft forever preferred_lft forever
>
> [root at gateway1 ~]# ovs-vsctl show
> b99b043b-951b-4bc7-9fd7-329d60d443a5
>     Bridge br-agg
>         Port bond-agg
>             Interface "agg-dpdk-2"
>                 type: dpdk
>                 options: {dpdk-devargs="0000:02:00.1"}
>             Interface "agg-dpdk-1"
>                 type: dpdk
>                 options: {dpdk-devargs="0000:02:00.0"}
>     Bridge br-int
>         Port "ovn-d172cc-0"
>             Interface "ovn-d172cc-0"
>                 type: geneve
>                 options: {csum="true", key=flow, remote_ip="10.157.145.212"}
>         Port br-int
>             Interface br-int
>                 type: internal
>         Port "ovn-d131e4-0"
>             Interface "ovn-d131e4-0"
>                 type: geneve
>                 options: {csum="true", key=flow, remote_ip="10.157.145.214"}
>         Port "ovn-844fcd-0"
>             Interface "ovn-844fcd-0"
>                 type: geneve
>                 options: {csum="true", key=flow, remote_ip="10.157.145.211"}
>
>
>
>
>
>> Hi
>>
>> thank for your reply.
>>
>> the 192.1.2.159 is actually on the same subnet of the management
>> interface, it is not part of the OVS bridge.
>>
>>
>>
>> On Mon, Sep 25, 2017 at 1:37 PM, Guoshuai Li <ligs at dtdream.com> wrote:
>>>
>>> I think you may have caught the tunnel inner package.
>>>
>>> Is the tunnel outbound from interface dpdk0? how about caught dpdk0 with
>>> mirror?
>>>
>>> Or use dpdk-pdump?
>>>
>>>> Hi
>>>>
>>>> How do I configure mirroring of all traffic to a GRE tunnel on OVS+DPDK?
>>>>
>>>> I have a OVS+DPDK setip as below.
>>>>
>>>> # ovs-vsctl show
>>>> 9fe3ef4d-7f29-4a21-80ea-62a705f5d934
>>>>       Bridge "g1"
>>>>           Port "g1"
>>>>               Interface "g1"
>>>>                   type: internal
>>>>           Port "dpdk0"
>>>>               Interface "dpdk0"
>>>>                   type: dpdk
>>>>                   options: {dpdk-devargs="0000:00:09.0"}
>>>>
>>>> I tried to create gre tunnel for packet mirroring
>>>>
>>>> #ovs-vsctl add-port g1 gre0 -- set interface gre0 type=gre
>>>> options:remote_ip=192.1.2.159 -- --id=@p get port gre0 -- --id=@m
>>>> create mirror name=m0 select-all=true output-port=@p -- set bridge g1
>>>> mirrors=@m
>>>>
>>>> I cannot find any packet arrive on 192.1.2.159, any idea?
>>>>
>>>> I have tried to use the same command in an OVS setup without DPDK
>>>> enabled, it works.
>>>>
>>>> please help
>>>>
>>>> - RBK
>>>>
>>>>
>>>> On Mon, Sep 25, 2017 at 1:26 PM, Sun Paul <paulrbk at gmail.com> wrote:
>>>>>
>>>>> Hi
>>>>>
>>>>> How do I configure mirroring of all traffic to a GRE tunnel on
>>>>> OVS+DPDK?
>>>>>
>>>>>
>>>>> I have a OVS+DPDK setip as below.
>>>>>
>>>>> # ovs-vsctl show
>>>>> 9fe3ef4d-7f29-4a21-80ea-62a705f5d934
>>>>>       Bridge "g1"
>>>>>           Port "g1"
>>>>>               Interface "g1"
>>>>>                   type: internal
>>>>>           Port "dpdk0"
>>>>>               Interface "dpdk0"
>>>>>                   type: dpdk
>>>>>                   options: {dpdk-devargs="0000:00:09.0"}
>>>>>
>>>>> I tried to create gre tunnel for packet mirroring
>>>>
>>>> _______________________________________________
>>>> discuss mailing list
>>>> discuss at openvswitch.org
>>>> https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
>>>
>>>
>