Well, I'm not able to learn anything from that code snippet. I repeat my
advice of using Wireshark to watch the traffic on the switch which sends the
two packet-ins and try to confirm whether it actually receives the packet twice.
-- Murphy
On May 25, 2014, at 10:51 AM, farshad tajedin <farshad.taje...@gmail.com> wrote:
> P.S
> when i remove last line every thing is ok
>
>
> On Sun, May 25, 2014 at 10:17 PM, farshad tajedin <farshad.taje...@gmail.com>
> wrote:
> sorry this hase better view
> -core.openflow.sendToDPID(int('0002'+self.ToDPIDformat(SelectOne[1]),16),self.add_FlowEntri((SelectOne[2]%(NumOfPod/2))+(NumOfPod/2)+1,str(dstIP),0x800))
>
> -core.openflow.sendToDPID(int('0001'+self.ToDPIDformat(SelectOne[2]),16),self.add_FlowEntri((SelectOne[3]/(NumOfPod/2))+1,str(dstIP),0x800))
>
> -core.openflow.sendToDPID(int('0002'+self.ToDPIDformat(SelectOne[3]),16),self.add_FlowEntri((SelectOne[4]%(NumOfPod/2))+1,str(dstIP),0x800))
>
> -core.openflow.sendToDPID(int('0003'+self.ToDPIDformat(SelectOne[4]),16),self.add_FlowEntri(((int(dstNo)-1)%(NumOfPod/2))+1,str(dstIP),0x800))
>
>
> -self.connection.send(self.add_FlowEntri((SelectOne[1]%(NumOfPod/2))+(NumOfPod/2)+1,str(dstIP),0x800))
>
> -self.connection.send(self.packetOutMsg((SelectOne[1]%(NumOfPod/2))+(NumOfPod/2)+1,of.buffer_id,of.data))
>
>
>
> On Sun, May 25, 2014 at 10:16 PM, farshad tajedin <farshad.taje...@gmail.com>
> wrote:
> this my code section which make this problem:
>
> core.openflow.sendToDPID(int('0002'+self.ToDPIDformat(SelectOne[1]),16),self.add_FlowEntri((SelectOne[2]%(NumOfPod/2))+(NumOfPod/2)+1,str(dstIP),0x800))
>
> core.openflow.sendToDPID(int('0001'+self.ToDPIDformat(SelectOne[2]),16),self.add_FlowEntri((SelectOne[3]/(NumOfPod/2))+1,str(dstIP),0x800))
>
> core.openflow.sendToDPID(int('0002'+self.ToDPIDformat(SelectOne[3]),16),self.add_FlowEntri((SelectOne[4]%(NumOfPod/2))+1,str(dstIP),0x800))
>
> core.openflow.sendToDPID(int('0003'+self.ToDPIDformat(SelectOne[4]),16),self.add_FlowEntri(((int(dstNo)-1)%(NumOfPod/2))+1,str(dstIP),0x800))
>
>
> self.connection.send(self.add_FlowEntri((SelectOne[1]%(NumOfPod/2))+(NumOfPod/2)+1,str(dstIP),0x800))
>
> self.connection.send(self.packetOutMsg((SelectOne[1]%(NumOfPod/2))+(NumOfPod/2)+1,of.buffer_id,of.data))
>
>
>
> On Sun, May 25, 2014 at 11:44 AM, farshad tajedin <farshad.taje...@gmail.com>
> wrote:
> yes of curse but not now because i am at my job now and haven't access to
> source code, i will do this a few hours later.
>
>
> On Sun, May 25, 2014 at 10:07 AM, Murphy McCauley <murphy.mccau...@gmail.com>
> wrote:
> Generally speaking, there's only ever one active connection to a switch at a
> time.
>
> Can you share a minimal version of your code which demonstrates the issue?
>
> -- Murphy
>
> On May 24, 2014, at 10:20 PM, farshad tajedin <farshad.taje...@gmail.com>
> wrote:
>
>> as i said before in my controller code i used two connection to e_s1
>> sequentially one for installing flow entry and next connection for sending
>> packet out message. if connecting to switches done by thread programming so
>> these message sending parallel, is these parallel message to one switch make
>> problem?
>>
>>
>> On Sun, May 25, 2014 at 8:15 AM, Murphy McCauley <murphy.mccau...@gmail.com>
>> wrote:
>> It's implemented by a recoco Task as described in the POX manual. Beneath
>> that, there's a thread, but then... isn't there always?
>>
>> -- Murphy
>>
>> On May 24, 2014, at 4:04 AM, farshad tajedin <farshad.taje...@gmail.com>
>> wrote:
>>
>>> is connection to switch implemented by thread?
>>>
>>>
>>> On Sat, May 24, 2014 at 9:26 AM, Murphy McCauley
>>> <murphy.mccau...@gmail.com> wrote:
>>> How about disabling enough links in your topology so that it doesn't have
>>> loops and then trying? (I'm wondering if the second one has looped back to
>>> where it started somehow.)
>>>
>>> Another thought would be to wireshark all the ports of the switch where
>>> you're seeing two of these packets. Do you actually see the packet arrive
>>> twice? Leave twice? Etc.
>>>
>>> -- Murphy
>>>
>>> On May 23, 2014, at 9:51 PM, farshad tajedin <farshad.taje...@gmail.com>
>>> wrote:
>>>
>>>> yes both of them are same except buffer id , i do this in mininet
>>>>
>>>>
>>>> On Fri, May 23, 2014 at 2:53 PM, farshad tajedin
>>>> <farshad.taje...@gmail.com> wrote:
>>>> yes both of them are same except buffer id , i do this in mininet
>>>>
>>>>
>>>> On Fri, May 23, 2014 at 1:23 PM, Murphy McCauley
>>>> <murphy.mccau...@gmail.com> wrote:
>>>> Are the packet-in messages and their payloads 100% identical?
>>>>
>>>> Are you doing this on real hardware, or in Mininet, or... ?
>>>>
>>>> -- Murphy
>>>>
>>>> On May 22, 2014, at 11:13 PM, farshad tajedin <farshad.taje...@gmail.com>
>>>> wrote:
>>>>
>>>>> hi murphy
>>>>> i have a path between two hosts(h1 and h2) in a data center,when i ping
>>>>> h2 from h1 since switches on this path have no flow entry for route icmp
>>>>> packet to h2 , the edge switch that h1 connected to it(e_s1) ,send icmp
>>>>> packet to controller. in controller i handle it and i add flow entry to
>>>>> each switch on this path in my controller code and at last send packet
>>>>> out msg to e_s1 to forward this packet. during this action (ping h2 from
>>>>> h1) i capture traffic of my network by wireshark and i see packet in msg
>>>>> from e_s1 two times sends to controller that i expect packet in msg must
>>>>> send once.
>>>>>
>>>>>
>>>>> On Fri, May 23, 2014 at 4:30 AM, Murphy McCauley
>>>>> <murphy.mccau...@gmail.com> wrote:
>>>>> I think you'll need to provide a lot more detail.
>>>>>
>>>>> Are you saying that you're trying to proactively insert all the rules
>>>>> into the switch when it connects, but you're getting packet-ins (from
>>>>> table misses) anyway and you're not expecting them?
>>>>>
>>>>> How do packet-outs factor in here?
>>>>>
>>>>> -- Murphy
>>>>>
>>>>> On May 22, 2014, at 5:45 AM, farshad tajedin <farshad.taje...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> i must say that i use 1.add flow message and 2.packet out message
>>>>>> sequensialy
>>>>>>
>>>>>>
>>>>>> On Thu, May 22, 2014 at 3:17 PM, farshad tajedin
>>>>>> <farshad.taje...@gmail.com> wrote:
>>>>>> hi all
>>>>>>
>>>>>> i have a fat-tree topology, when i ping a host from another host i found
>>>>>> that first host 2 times send packet in message to controller and i dont
>>>>>> know why. can anybody help me ?
>>>>>>
>>>>>> P.S i use core.openflow.addListenerByName("ConnectionUp",
>>>>>> start_switch) for event handling.
>>>>>>
>>>>>> --
>>>>>> Best Regards
>>>>>>
>>>>>> Farshad Tajedin
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Best Regards
>>>>>>
>>>>>> Farshad Tajedin
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Best Regards
>>>>>
>>>>> Farshad Tajedin
>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> Best Regards
>>>>
>>>> Farshad Tajedin
>>>>
>>>>
>>>>
>>>> --
>>>> Best Regards
>>>>
>>>> Farshad Tajedin
>>>
>>>
>>>
>>>
>>> --
>>> Best Regards
>>>
>>> Farshad Tajedin
>>
>>
>>
>>
>> --
>> Best Regards
>>
>> Farshad Tajedin
>
>
>
>
> --
> Best Regards
>
> Farshad Tajedin
>
>
>
> --
> Best Regards
>
> Farshad Tajedin
>
>
>
> --
> Best Regards
>
> Farshad Tajedin
>
>
>
> --
> Best Regards
>
> Farshad Tajedin
