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List:       openvswitch-discuss
Subject:    [ovs-discuss] Command to get port name and port id mapping
From:       jpettit () nicira ! com (Justin Pettit)
Date:       2015-06-30 22:18:22
Message-ID: 7FAFD7DD-3A30-4715-8720-3F42CF0C7BA1 () nicira ! com
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As mentioned in the ovs-appctl man page, you have to look at the man page for the \
daemon:

       Open  vSwitch  daemons  accept  certain  commands at runtime to control
       their behavior and query their settings.  Every daemon accepts a common
       set  of  commands documented under COMMON COMMANDS below.  Some daemons
       support  additional  commands  documented  in   their   own   manpages.
       ovs-vswitchd in particular accepts a number of additional commands doc-
       umented in ovs-vswitchd(8).

Here's the relevant section from the ovs-vswitchd man page:

       dpif/show
              Prints  a  summary of configured datapaths, including statistics
              and a list of connected ports.  The  port  information  includes
              the  OpenFlow  port  number, datapath port number, and the type.
              (The local port is identified as OpenFlow port 65534.)

--Justin


> On Jun 30, 2015, at 11:22 AM, Xuemei Liu <lxuemei3000 at gmail.com> wrote:
> 
> Hi, Justin,
> 
> Thanks for providing these commands, and "ovs-appctl dpif/show" works perfect for \
> me. However, I cannot find that command on \
> http://openvswitch.org/support/dist-docs/ovs-appctl.8.txt or \
> http://manpages.ubuntu.com/manpages/precise/man8/ovs-appctl.8.html. Thus, how do \
> you know the command? any manual? 
> Thanks,
> Xuemei
> 
> On Tue, Jun 30, 2015 at 9:53 AM, Justin Pettit <jpettit at nicira.com> wrote:
> It's in quite a few places.  The way people usually get it is from the "ofport" \
> column of the Interface table in the database.  You can see it by running \
> "ovs-vsctl list interface".  You can also run "ovs-appctl dpif/show" which will \
> show you both the OpenFlow port number as well as the datapath one.  Another option \
> is with "ovs-ofctl dump-ports br-int". 
> --Justin
> 
> 
> > On Jun 30, 2015, at 9:48 AM, Xuemei Liu <lxuemei3000 at gmail.com> wrote:
> > 
> > Hi,
> > 
> > I want to generate forwarding rules for ovs, and need to get the port id (0, 1, \
> > ...) at the ovs from the port name (eth0, ...).  I tried ovs-vsctl show, \
> > ovs-dpctl show, but they don't show the port id. Could anyone tell me the \
> > commands to implement this task? 
> > Thanks,
> > Xuemei Liu
> > _______________________________________________
> > discuss mailing list
> > discuss at openvswitch.org
> > http://openvswitch.org/mailman/listinfo/discuss
> 
> 


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