Thanks, I got it.

By the way, Do you know some other third-party tools which can get link 
bandwidth?


------------------ Original ------------------
From:  "Fujimoto Satoshi";<satoshi.fujimo...@gmail.com>;
Send time: Tuesday, Mar 13, 2018 8:47 AM
To: "Zhang Yifan"<zhangyifa...@qq.com>; 
Cc: "ryu-devel"<ryu-devel@lists.sourceforge.net>; 
Subject:  Re: [Ryu-devel] How to get link bandwidth in Ryu



                   Hi, Zhang
     
     In OpenFlow framework, you cannot get link bandwidth.
     It highly depends on the implementation of your switch whether there     
is any other ways to get link bandwidth.
     
     AFAIK, OpenVSwitch does not provide the way to get link bandwidth.
     
     Thanks,
     Fujimoto
     
     On 2018??03??12?? 22:16, Zhang Yifan       wrote:
     
            Hi all,
       
       
                How can we get the link bandwidth in Ryu app. 
         Is there any message from the switch that gives the link           
bandwidth?
       
       
       
       I mean the link bandwidth between switches or between switch         and 
host, not the port speed.
       
       
       Thanks.
       
              
       
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