oess-users

[Andrew Ragusa <>]

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Hi Amirali

Sorry for the delay, but I have been out on vacation.  I took a look
at your packet capture, and I still see a malformed openflow packet.

I'm looking specifically at frame 66.  There was a switch features
reply and then a malformed packet.

Once NOX receives this malformed packet it tears down the TCP Session,
thats why you see it start to send hello messages again.

Thanks

A.J.


On 9/8/14 4:55 PM, Amirali Kouhi Kamali wrote:
> hi I ran the experiment over and over again(*as a reminder
> experiment is between oess and dell 6000* ) attached is my
> wireshark results .Last time you mentioned that wireshark indicated
> some malformed packet but in my wireshark everything seems to be OK
> (there is no strange coloring) .please pay attention to packet 57 
> to 73 it starts with tcp handshake to tcp tear down and all of them
> are valid openflow message according to their specifications at the
> end of that part suddendly oess controller terminates the tcp 
> connection. so please go over wireshark results to see if can
> identify the issue Thanks Regards
> 
> 
>> Date: Thu, 28 Aug 2014 12:52:58 -0400 From: 
>> 
>>  
>> To: 
>> 
>>  Subject: Re: [oess-users] connecting
>> oess to dell s6000
>> 
> Hi Amirali
> 
> The logs you sent from oess are not from when OESS was running. 
> Looking at the packet capture you sent, your switch is sending an 
> invalid OpenFlow message which I believe is then causing the 
> controller to disconnect.
> 
> In the packet capture you sent look at packet 14, the feature
> reply has another OpenFlow message in it, which according to
> wireshark is malformed.
> 
> Thanks A.J.
> 
> On 8/28/14 12:40 PM, Amirali Kouhi Kamali wrote:
>> hi Attached is RAR file containing wireshark between oess and
>> dell ,and those two file and folder you requested Regards
> 
>>> Date: Wed, 27 Aug 2014 16:57:38 -0400 From:
>>> 
>>>  To: 
>>> 
>>>  Subject: Re:
>>> [oess-users] connecting oess to dell s6000
> 
>> Hi
> 
>> Could you please take a packet capture of the traffic between
>> the dell and the openflow controller, and send it to me. I should
>> only need a few disconnect/reconnects worth of packet capture.
> 
>> Can you also send me the logs from OESS (should be in 
>> /var/log/messages and /var/log/oess.log)
> 
>> Thanks A.J.
> 
>> On 8/27/14 4:14 PM, Amirali Kouhi Kamali wrote:
>>> hi my name is amirali and im working in Dr. Gurkan lab . We
>>> are experimenting oess setup with Dell S6000 and according to
>>> our previous correspondance you confirmed that this device is 
>>> compatible with oess . i successfully managed to connect the 
>>> this device to floodlight controller . Also i tested oess with 
>>> mininet but when i connect dell switch to oess it fluctuates 
>>> between on and off states as shown in attached file (first
>>> image) i added debug output for completeness . I would
>>> appreciate it if you can help me with this Regards
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