Jerry Cen | 5 May 20:45 2015
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4-byte AS Number support in BGP

Hello everyone,

Any plans to support 4-byte ASNs in the BGP speaker so far?

Jerry

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Shuoling Deng | 5 May 15:08 2015
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Re: How to run ryu by pypy.

pypy seems not found the "ryu" module in its default library path when it runs "import ryu balabala"...

So, have you re-install ryu though pypy like "pypy install setup.py" in "ryu" directory?

On Tue, May 5, 2015 at 8:41 PM, muzixing.com <15116983550-9uewiaClKEY@public.gmane.org> wrote:
Hi all, 
     How can I run ryu by pypy?
     I try :pypy -c ryu-manager , but return an error:NameError: global name 'ryu' is not defined. 
     I have install pypy, but when I start python, the message shows that:

     root <at> muzi-OptiPlex-390:~/ryu# python
     Python 2.7.3 (default, Feb 27 2014, 20:00:17) 
     [GCC 4.6.3] on linux2
     Type "help", "copyright", "credits" or "license" for more information.

    Is it all right?
 
    I type pypy, shows:

    root <at> muzi-OptiPlex-390:~/ryu# pypy
    Python 2.7.2 (1.8+dfsg-2, Feb 19 2012, 19:16:05)
    [PyPy 1.8.0 with GCC 4.6.2] on linux2
    Type "help", "copyright", "credits" or "license" for more information.
    And now for something completely different: ``__xxx__ and __rxxx__ vs operation
    slots: particle quantum superposition kind of fun''
    >>>> 

    Looking forward to your reply. Thank you.



------------------
Li Cheng 李呈
_____________________________________________________
School of Information and Communication Engineering
Beijing University of Posts and Telecommunications
Beijing 100876, PR China

北京邮电大学·信息与通信工程学院·通信工程
_____________________________________________________
Mobile Phone: 
(+86) 151-1698-3550 Beijing 
E-mail:
Homepage:
 

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--
Shuoling Deng
Dept. of Computer Science and Technology
School of Electronic Information and Enginneering
Xi'an Jiaotong University
Xi'an, 710049, P.R. China

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Chethan C R | 5 May 06:40 2015
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TypeError: 'OFPPortModPropEthernet' object is not iterable

Hi,

I am trying to send a port mod message embedded in a bundle and I am getting the following error while constructing the port mod message.

hub: uncaught exception: Traceback (most recent call last):
  File "/usr/local/lib/python2.7/dist-packages/ryu/lib/hub.py", line 52, in _launch
    func(*args, **kwargs)
  File "/usr/local/lib/python2.7/dist-packages/ryu/base/app_manager.py", line 274, in _event_loop
    handler(ev)
  File "/home/openflow/bundles/add.py", line 33, in send_bundle_Open
    self.send_bundle_add_message(datapath)
  File "/home/openflow/bundles/add.py", line 51, in send_bundle_add_message
    datapath.send_msg(req)
  File "/usr/local/lib/python2.7/dist-packages/ryu/controller/controller.py", line 214, in send_msg
    msg.serialize()
  File "/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_parser.py", line 205, in serialize
    self._serialize_body()
  File "/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_v1_4_parser.py", line 6063, in _serialize_body
    self.message.serialize()
  File "/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_parser.py", line 205, in serialize
    self._serialize_body()
  File "/usr/local/lib/python2.7/dist-packages/ryu/ofproto/ofproto_v1_4_parser.py", line 5662, in _serialize_body
    for p in self.properties:
TypeError: 'OFPPortModPropEthernet' object is not iterable


And this is my code:

                port_no = 1
                hw_addr = 'fa:c8:e8:76:1d:7e'
                config = ofp.OFPPC_PORT_DOWN
                mask = ofp.OFPPC_PORT_DOWN
                advertise = (ofp.OFPPF_10MB_HD | ofp.OFPPF_100MB_FD)
                properties = ofp_parser.OFPPortModPropEthernet(advertise)
                msg = ofp_parser.OFPPortMod(datapath, port_no, hw_addr, config,
                                        mask, properties)
                req = ofp_parser.OFPBundleAddMsg(datapath, 7, ofp.OFPBF_ATOMIC,
                                             msg, [])
                datapath.send_msg(req)

Am i missing anything ? Can you please suggest the solution ?

Thanks,
Chethan

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Govind Prasad | 3 May 04:16 2015
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Increasing Idle Time out

Hi Experts,

I am trying to build an application which is capable of doing the following:

1. Whenever any TCP packet comes, the application stores the port number in an array
2. When the next TCP packet comes with the same port number, this time the application compares the port number with the port number stored in the array and if found simillar, the controller increases the idle_timeout of the flow.
3. The array should be able to store say 10 port numbers and upon repetition of port number it should increase the idle timeout.


Can you please help me in developing this application with your esteemed guidance.

Regards,
Govind Prasad

 
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Govind Prasad | 2 May 23:33 2015
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HTTP Library

Hi Experts,

Do we have any library for HTTP same as TCP in RYU Controller.

Regards,
Govind Prasad
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Question

Hello! Does ryu event, which you can use to track the package before establishing a connection , for example
between two IP / MAC addresses. So as not to involve a PacketIn event for each incoming packet. But only
once, when the connection between the two addresses.
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Minoru TAKAHASHI | 1 May 04:47 2015
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Re: 回复: Flow table

Hi,

On 2015年05月01日 11:35, 水墨画 wrote:
> 
> hi,
>  I do like you say,but error like this:
>     curl:  no URL specified.

Do you enter a space before the URL?

NG:
 ":10.0.0.1/24}}'http://127.0.0.1:

OK:
 ":10.0.0.1/24}}' http://127.0.0.1:
                 ^
> 
>  And why "actions":[{"type":"OUTPUT","value":3}],  "value" is used,not "port" ?

Oops!
I am sorry. "port" is correct.

thanks

> 
> I am looking forward to your reply
> Thanks
> 
> ------------------ 原始邮件 ------------------
> *发件人:* "Minoru TAKAHASHI";<takahashi.minoru7 <at> gmail.com>;
> *发送时间:* 2015年5月1日(星期五) 上午8:15
> *收件人:* "水墨画"<406699300 <at> qq.com>;
> *抄送:* "ryu-devel <at> lists.sourceforge.net"<ryu-devel <at> lists.sourceforge.net>;
> *主题:* Re: Flow table
> 
> Hi,
> 
> Please don't drop the mailing list.
> 
> I think that "sh" is unnecessary.
> And there is some error in command.Please correct as follows.
> 
> curl -d '{"dpid":"1",
"priority":4,"actions":[{"type":"OUTPUT","value":3}],"match":{"dl_type":2048,"in_port":4,"nw_dst":"10.0.0.4/24","nw_src":"10.0.0.1/24"}}' http://127.0.0.1:8080/stats/flowentry/add
> 
> Just for your infomation, the following documents will help you.
> http://ryu.readthedocs.org/en/latest/app/ofctl_rest.html#description-of-match-and-actions
> 
> thanks
> 
> On 2015年04月30日 22:09, 水墨画 wrote:
>> Hi,
>>    I write in the .sh file to install flowtable in the switch like this:
>>
>> sh curl -d '{"dpid":"1", "priority":"4", "actions":[{"type":"OUTPUT","port":3}],"match:{"dl_type":2048,"in_port":4,"nw_dst":10.0.0.4/24,"nw_src":10.0.0.1/24}}'http://127.0.0.1:8080/stats/flowentry/add
>>  
>>    But,the error like this: 
>> sh: 0: Can't open curl
>>
>> I am looking forward to you reply!
>> Thank you

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Kelvin Yau | 1 May 03:12 2015
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Ryu controller plugin

Hi guys,

I'm still new to the whole SDN and RYU configuration. I'm looking to do a Ryu plugin that could use to check the connection and command for the QoS "example of the operation of the per-flow QoS" documentation provided in your ebook. The goal of the plugin is to check the command is been entered correctly and if not it will notify the user. 

I've tried to search regarding about ryu plugin documentation and tutorial but i couldn't find one. Could you help me out?

Thanks and Regards,
Kelvin
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Minoru TAKAHASHI | 1 May 02:15 2015
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Re: Flow table

Hi,

Please don't drop the mailing list.

I think that "sh" is unnecessary.
And there is some error in command.Please correct as follows.

curl -d '{"dpid":"1",
"priority":4,"actions":[{"type":"OUTPUT","value":3}],"match":{"dl_type":2048,"in_port":4,"nw_dst":"10.0.0.4/24","nw_src":"10.0.0.1/24"}}' http://127.0.0.1:8080/stats/flowentry/add

Just for your infomation, the following documents will help you.
http://ryu.readthedocs.org/en/latest/app/ofctl_rest.html#description-of-match-and-actions

thanks

On 2015年04月30日 22:09, 水墨画 wrote:
> Hi,
>    I write in the .sh file to install flowtable in the switch like this:
> 
> sh curl -d '{"dpid":"1", "priority":"4", "actions":[{"type":"OUTPUT","port":3}],"match:{"dl_type":2048,"in_port":4,"nw_dst":10.0.0.4/24,"nw_src":10.0.0.1/24}}'http://127.0.0.1:8080/stats/flowentry/add
>   
>    But,the error like this:  
> sh: 0: Can't open curl
> 
> I am looking forward to you reply!
> Thank you

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Eyal Nissim | 30 Apr 20:24 2015

forcing RYU to use openflow1.4

Hi,


I'm using the latest version of RYU. (installed the executable on Ubuntu a few days ago)

at this point RYU is trying to communicate with my soft switch (CPQD) using openflow1.0

while the switch is trying to communicate via openflow1.4 (this can be seen both from the switch logs as well as wireshark)

How can I force RYU to yse openflow1.4 ? is there a configuration file or a specific argument/option?



Thanks

Eyal

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Gajjar, Parth Ash | 30 Apr 11:22 2015
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OpenFlow - 1.5 Controller

Hi Everybody,

 

 

I wanted to know. When Ryu is planning to release OpenFlow-1.5 Controller. It will be great help if you can give some dates when you are planning to release some of the features from them.

 

 

Thanks & Regards,

Parth

 

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