Try dpctl show nl:0. It shows the mapping of port number to interface.
In NOX, discovery maps this using LLDP.
Regards
KK
On 19 November 2010 18:58, Rohit Manohar wrote:
> Hi KK
>
> I am creating a topology with two Openflow switches and two hosts. A
> representative diagram would be:
>
>
> Host1 Openflow1 -Openflow2 --Host2
>
>
> Now, on Openflow1 I use './dpctl addif nl:0 eth0' to add the interface as
> port. Same is done for eth1. Now, how do I find out if eth0 connects to
> host1 or Openflow2? By using ifconfig I am able to figure out which
> interface connects to the controller, but not for the rest of the devices.
> Also, i am trying to use './dpctl get-idx OF_DEV', but i am not able to
> figure what identifies a OF_DEV( I am assuming it is Openflow Device). Is it
> the dpid for that Openflow switch? Are hosts considered Openflow Devices?
>
> Regards,
>
> On Fri, Nov 19, 2010 at 9:09 PM, kk yap wrote:
>>
>> Hi Rohit,
>>
>> I am confused. What do you mean by which port is connected to which
>> switch. You mean the topology?
>>
>> Regards
>> KK
>>
>> On 19 November 2010 17:36, Rohit Manohar wrote:
>> > How do I identify which port is connected to which switch? I add
>> > devices as './dpctl addif nl:0 eth0' specifying the port being used
>> > for
>> > connection, but I am not able to figure out which device is at the
>> > other of the link.
>> >
>> >
>> > --
>> > Rohit Manohar
>> > Graduate Student
>> > North Carolina State University
>> > Raleigh, US.
>> >
>> >
>> > ___
>> > nox-dev mailing list
>> > nox-dev@noxrepo.org
>> > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
>> >
>> >
>
>
>
> --
> Rohit Manohar
> Graduate Student
> North Carolina State University
> Raleigh, US.
>
>
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