[ovs-discuss] ovs-vswitchd usage

Steven Y. Ko steveko at CS.Princeton.EDU
Sun Nov 15 21:17:09 UTC 2009


Alright, I'll try the newer version tomorrow, and see if that works.
Thanks much!

- Steve

On Sun, Nov 15, 2009 at 4:13 PM, Martin Casado <casado at nicira.com> wrote:
> Hmmm, strange that it isn't working, we run nox with ovs all the time.
>
> Tomorrow I'll be pushing a major update to nox on noxrepo.  It may be that
> the older, public version of Nox has some issue we've not run into ...
>
> .martin
>
>> I just run it with pyswitch --- ./nox_core -v -i ptcp:2525 pyswitch
>>
>> - Steve
>>
>> On Sun, Nov 15, 2009 at 4:04 PM, Martin Casado <casado at nicira.com> wrote:
>>
>>>
>>> What command line args are you passing to Nox when you run it?
>>>
>>>>
>>>> Thanks, Justin.
>>>>
>>>> It works without any controller and also works with ovs-controller. I
>>>> guess it's a NOX issue. Do I have to do anything special with NOX? I'm
>>>> just using the same NOX that works with openflow reference
>>>> implementation 0.8.9. I tried compiling NOX again by giving
>>>> openvswitch to --with-openflow option, but didn't work because some
>>>> header files mismatch.
>>>>
>>>> One more thing - I noticed that I have to bring up interfaces for the
>>>> switch manually, e.g., "ifconfig eth1 up". I wanted to verify if this
>>>> is the case, since I don't do it when I run openflow reference
>>>> implementation.
>>>>
>>>> - Steve
>>>>
>>>> On Sat, Nov 14, 2009 at 6:06 PM, Justin Pettit <jpettit at nicira.com>
>>>> wrote:
>>>>
>>>>
>>>>>
>>>>> On Nov 13, 2009, at 3:15 PM, Steven Y. Ko wrote:
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>> face.mybr.internal=true
>>>>>>
>>>>>>
>>>>>
>>>>> I don't think you need to set this key.
>>>>>
>>>>>
>>>>>
>>>>>>
>>>>>> NOX is configured as an out-of-band controller, and connectivity is
>>>>>> fine. With this configuration file, I run ovs-vswitchd with -v, then I
>>>>>> get the log copied at the end of this email. It seems that there is no
>>>>>> error. However, when I actually bring up 2 hosts and try to ping each
>>>>>> other, ARP requests never pass through. I used tcpdump to verify that
>>>>>> either eth1 or eth2 receives the ARP requests, and they do receive the
>>>>>> packets.
>>>>>>
>>>>>>
>>>>>
>>>>> What NOX applications are you running?  I'd recommend first trying to
>>>>> run
>>>>> ovs-vswitchd without connecting to a controller.  That way, you can at
>>>>> least
>>>>> determine whether ovs-vswitchd is receiving traffic.  Without a
>>>>> controller,
>>>>> it should just work like a learning switch.  If that looks okay, try
>>>>> running
>>>>> ovs-controller (it's available in the "utilities" directory), since
>>>>> it's
>>>>> much simpler than NOX.  If that looks okay, then it's probably a NOX
>>>>> configuration issue.
>>>>>
>>>>> I'm a bit surprised that you're not seeing packet-in messages reported
>>>>> in
>>>>> the logs below.  It appears that you only have four seconds of logging.
>>>>>  I
>>>>> assume you waited longer than that, correct?
>>>>>
>>>>> --Justin
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>> _______________________________________________
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>>>> discuss at openvswitch.org
>>>> http://openvswitch.org/mailman/listinfo/discuss_openvswitch.org
>>>>
>>>>
>>>
>>>
>
>




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