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List:       openvswitch-discuss
Subject:    [ovs-discuss] =?gb2312?b?tPC4tDogICBPdXRwdXQgcG9ydCBvZiBtaXJyb3Ig?= =?gb2312?b?ZHJvcHMgcGFja2V0?=
From:       lichunhe () huawei ! com (Lichunhe)
Date:       2014-05-30 3:04:36
Message-ID: ED104EF999716D4C84ED5EA6FAB8EEE128EDE329 () SZXEMA509-MBX ! china ! huawei ! com
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>-----????-----
>???: Ben Pfaff [mailto:blp at nicira.com]
>????: 2014?5?30? 0:54
>???: Lichunhe
>??: discuss at openvswitch.org
>??: Re: [ovs-discuss] Output port of mirror drops packet
>
>On Thu, May 29, 2014 at 02:13:53AM +0000, Lichunhe wrote:
>> 	I use the mirror function, if the port is configured as the output
>> port of a mirror, it will can't send packages. Who knows the reason?
>> Why does the output port drop packages?
>
>It's documented:
>
>       output_port: optional weak reference to Port
>              Output port for selected packets, if nonempty.
>
>              Specifying  a  port  for mirror output reserves that port
>exclu-
>              sively for mirroring.  No frames other than those  selected
>for
>              mirroring via this column will be forwarded to the port, and any
>              frames received on the port will be discarded.
>
>              The output port may be  any  kind  of  port  supported
>by  Open
>              vSwitch.   It  may  be,  for example, a physical port
>(sometimes
>              called SPAN) or a GRE tunnel.

I have seen the doc, and read the code, it is the implementation currently. But I want to
Know why to do this? If the output port could send/recv normally, it will be a better way?

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