[ovs-discuss] ovs-vswitchd usage

Steven Y. Ko steveko at CS.Princeton.EDU
Sun Nov 15 21:10:25 UTC 2009


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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>
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