Hi Carlos,

> *match = _parser_.OFPMatch(ipv4_src="192.168.2.2", ipv4_dst="192.168.1.1")*

This rule does not follow "7.2.3.6 Flow Match Field Prerequisite" in the
OpenFlow Spec 1.3.5, I guess. See the OpenFlow Spec for more details.
Then, please confirm your flow entries are installed on your switch like
"ovs-ofctl dump-flows s1".

Thanks,
Iwase


On 2018年04月02日 10:36, Jose Carlos Ferreira de Melo Junior wrote:
Hey Iwase,

Right now my code looks like this OFPActionGroup is in Red

*port_1 = 3*
*        queue_1 = _parser_.OFPActionSetQueue(0)*
*        actions_1 = [queue_1, _parser_.OFPActionOutput(4)]*
*
*
*
*
*        port_2 = 2*
*        queue_2 = _parser_.OFPActionSetQueue(0)*
*        actions_2 = [queue_2, _parser_.OFPActionOutput(2)]*
*
*
*        weight_1 = 50*
*        weight_2 = 50*
*        watch_port = ofproto_v1_3.OFPP_ANY*
*        watch_group = ofproto_v1_3.OFPQ_ALL*
*
*
*        buckets = [*
*                _parser_.OFPBucket(weight_1, watch_port, watch_group, 
actions_1),*
*                _parser_.OFPBucket(weight_2, watch_port, watch_group, 
actions_2)]*
*
*
*group_id = 1*
*
*
*        req = _parser_.OFPGroupMod(datapath, ofp.OFPFC_ADD, ofp.OFPGT_SELECT,*
*                group_id, buckets)*

*        datapath.send_msg(req)*

*match = _parser_.OFPMatch(ipv4_src="192.168.2.2", ipv4_dst="192.168.1.1")*
*actions = [datapath.ofproto_parser.OFPActionGroup(1)]*
*        inst = [_parser_.OFPInstructionActions(ofp.OFPIT_APPLY_ACTIONS, 
actions)]*
*        mod = datapath.ofproto_parser.OFPFlowMod(datapath, match=match, cookie=0, command=ofp.OFPFC_ADD, idle_timeout=0, hard_timeout=0, priority=3, instructions=inst)*
*
*
*        datapath.send_msg(mod)*


i was following the code in 
http://csie.nqu.edu.tw/smallko/sdn/ryu_multipath_13.htm

is it right ?





thanks



2018-04-01 22:14 GMT-03:00 Iwase Yusuke <iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>>:

    Hi Carlos,

    Hmmmm... have you installed any "flow" entry which contained OFPActionGroup?
    Also, in your code, you uses "group_id = 50" in OFPGroupMod message. Is
    OFPActionGroup using the same "group_id = 50"?

    Thanks,
    Iwase


    On 2018年04月02日 09:36, Jose Carlos Ferreira de Melo Junior wrote:

        Hi Iwase,

        Sorry for the late answer

        well... I checked the group stats as you said and it's not being looked 
up

        *ovs-ofctl dump-group-stats -O OpenFlow s2*
        *OFPST_GROUP reply (OF1.3) (xid=0x2):*
        
*group_id=1,duration=12.837s,ref_count=0,packet_count=0,byte_count=0,bucket0:packet_count=0,byte_count=0,byte_count=0,bucket1:packet_count=0,byte_count=0*
        *
        *
        I'm really lost and don't know how to fix that

        Do you have any idea of how can I solve this problem?


        many thanks.

        2018-03-29 1:33 GMT-03:00 Iwase Yusuke <iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>:

             Hi Carlos,

             The group entries are looked up (or specified) by OFPActionGroup in
        flow
             entries.

             If looked up, ref_count, packet_count and byte_count should be
        incremented.

             mininet> sh ovs-ofctl dump-group-stats s1 -O OpenFlow13
             OFPST_GROUP reply (OF1.3) (xid=0x4):
group_id=1,duration=45.105s,ref_count=1,packet_count=5,byte_count=378,bucket0:packet_count=4,byte_count=336,bucket1:packet_count=1,byte_count=42

             Thanks,
             Iwase


             On 2018年03月27日 23:10, Jose Carlos Ferreira de Melo Junior wrote:

                 Hi Iwase,

                 The group entry is added...















                 but I don't understand how can be looked up.
                 I don't know how to do this


                 Is there any other thing that I am missing ????


                 thanks in advanced







                 2018-03-26 20:28 GMT-03:00 Iwase Yusuke
        <iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>>:

                      Hi Carlos,

                       >  "*/using the group table with openflow 1.3 with no
        sucess/*"
                 means that I am
                      > using the group table as i said before and it is not
        working,
                 means that I am
                      > using the group specification and it doens't work.

                      "Does not work" means
                        - no group entry added
                        - group entry exists, but not looked up
                        - group entry looked up, but packets are not outputted
                        or ...
                      which you mean?


                      > and about your topology: It has only 2 switches or 4???

                      Only 2 switches (s1 and s2), which corresponding to
        "Start" and
                 "End" switches
                      on the image you attached on your previous mail. Also h1
        and h2
                 represents hosts
                      which do ping.


                      Thanks,
                      Iwase

                      On 2018年03月26日 21:14, Jose Carlos Ferreira de Melo
        Junior wrote:

                          Hey Iwase,

                             "*/using the group table with openflow 1.3 with no
        sucess/*"
                 means
                          that I am using the group table as i said before and
        it is not
                 working,
                          means that I am using the group specification and it
        doens't work.

                          and about your topology: It has only 2 switches or 
4???

                          i don't know if my code is right or if i am missing
        something else.




                          2018-03-25 21:40 GMT-03:00 Iwase Yusuke
                 <iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>
        <mailto:iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>>
                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com 
<mailto:iwase.yusu...@gmail.com>>
                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>>>:


                               Hi Carlos,

                               For such purpose, OFPGT_SELECT is appropriate, I
        guess.

                               With the topology;

                                              +--------+             +--------+
                                              |   s1   |             |   s2   |
                      +----+        |      (port 2)---(port 2)      |       +----+
                               | h1 |---(port 1)      |             |      (port
        1)---| h2 |
                      +----+        |      (port 3)---(port 3)      |       +----+
                                              |        |             |        |
                                              +--------+             +--------+


                               I can install groups and flows entries, then can 
ping
                 between h1
                          and h2 with the
                               following app.


                               $ git diff
                               diff --git a/ryu/app/simple_switch_13.py
                 b/ryu/app/simple_switch_13.py
                               index 06a5d0e..e1a5c3b 100644
                               --- a/ryu/app/simple_switch_13.py
                               +++ b/ryu/app/simple_switch_13.py
                               @@ -48,6 +48,30 @@ class
        SimpleSwitch13(app_manager.RyuApp):
  ofproto.OFPCML_NO_BUFFER)]
                                         self.add_flow(datapath, 0, match, 
actions)

                               +        buckets = [
                               +            parser.OFPBucket(
                               +                50, ofproto.OFPP_ANY,
        ofproto.OFPG_ANY,
                               +                [parser.OFPActionOutput(2)]),
                               +            parser.OFPBucket(
                               +                50, ofproto.OFPP_ANY,
        ofproto.OFPG_ANY,
                               +                [parser.OFPActionOutput(3)]),
                               +        ]
                               +        mod = parser.OFPGroupMod(
                               +            datapath, ofproto.OFPGC_ADD,
                 ofproto.OFPGT_SELECT, 1,
                          buckets)
                               +        datapath.send_msg(mod)
                               +
                               +        match = parser.OFPMatch(in_port=1)
                               +        actions = [parser.OFPActionGroup(1)]  #
        from host
                 to switch
                               +        self.add_flow(datapath, 1, match, 
actions)
                               +
                               +        match = parser.OFPMatch(in_port=2)
                               +        actions = [parser.OFPActionOutput(1)]  #
        from
                 switch to host
                               +        self.add_flow(datapath, 1, match, 
actions)
                               +
                               +        match = parser.OFPMatch(in_port=3)
                               +        actions = [parser.OFPActionOutput(1)]  #
        from
                 switch to host
                               +        self.add_flow(datapath, 1, match, 
actions)
                               +
                                     def add_flow(self, datapath, priority,
        match, actions,
                          buffer_id=None):
                                         ofproto = datapath.ofproto
                                         parser = datapath.ofproto_parser


                               I don't know what "using the group table with
        openflow 1.3
                 with no
                          sucess"
                               means, but please confirm your group and flow
        table again.

                               Thanks,
                               Iwase


                               On 2018年03月23日 21:11, Jose Carlos Ferreira de 
Melo
                 Junior wrote:

                                   Hey Iwase,


                                   Split means really divide the flow I dont 
know if
                 would be like
                          a load
                                   balancing (I think it is)

                                   For example the image below




                                   But I dont know if this would be possible
        using the
                 group table.

                                   2018-03-23 4:04 GMT-03:00 Iwase Yusuke
                 <iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>
        <mailto:iwase.yusu...@gmail.com <mailto:iwase.yusu...@gmail.com>>
                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>
                                   <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com 
<mailto:iwase.yusu...@gmail.com>>
                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>

                 <mailto:iwase.yusu...@gmail.com 
<mailto:iwase.yusu...@gmail.com>>

                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com> <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>

                                   <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com 
<mailto:iwase.yusu...@gmail.com>>
                          <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>
                 <mailto:iwase.yusu...@gmail.com
        <mailto:iwase.yusu...@gmail.com>>>>>>:


                                        Hi Carlos,

                                        What does "split flows" exactly mean?

                                         > req = parser.OFPGroupMod(datapath,
        ofp.OFPFC_ADD,
                          ofp.OFPGT_SELECT,
                                         >                          group_id,
        buckets)

                                        If you specify OFPGT_SELECT, switch will
        execute
                 "one"
                          bucket in
                                   the group and
                                        not copied like the port mirroring. If
        you intend
                 to do port
                                   mirroring, you need
                                        to specify OFPGT_ALL. For other
        available group
                 types,
                          please refer
                                   to the
                                        OpenFlow spec and your switch's
        specification.

                                        Thanks,
                                        Iwase


                                        On 2018年03月21日 04:02, Jose Carlos
        Ferreira de Melo
                          Junior wrote:

                                            Hi there,

                                            I know this topic was discussed
        before but I
                 would
                          like just a
                                   simple
                                            explanation about it.

                                            Because I am using the group table 
with
                 openflow 1.3
                          with no
                                   sucess.


                                            My purpose is to split one flow in
        two flows and
                          forward on
                                   port 3 and 4
                                            using the group table.

                                            My code is as follows:


                                            *def group_mod(self, datapath):*
                                            *        global ofp, _parser_, dp*
                                            *        port_1 = 4*
                                            *        queue_1 =
        _parser_.OFPActionSetQueue(0)*
                                            *        actions_1 = [queue_1,
                          _parser_.OFPActionOutput(port_1)]*
                                            *
                                            *
                                            *
                                            *
                                            *        port_2 = 3*
                                            *        queue_2 =
        _parser_.OFPActionSetQueue(0)*
                                            *        actions_2 = [queue_2,
                          _parser_.OFPActionOutput(port_2)]*
                                            *
                                            *
                                            *        weight_1 = 50*
                                            *        weight_2 = 50*
                                            *
                                            *
                                            *        watch_port =
        ofproto_v1_3.OFPP_ANY*
                                            *        watch_group =
        ofproto_v1_3.OFPQ_ALL*
                                            *
                                            *
                                            *        buckets = [*
                                   * _parser_.OFPBucket(weight_1,
                 watch_port,
                                   watch_group,
                                            actions_1),*
                                   * _parser_.OFPBucket(weight_2,
                 watch_port,
                                   watch_group,
                                            actions_2)]*
                                            *
                                            *
                                            *        group_id = 50*
                                            *
                                            *
                                            *        req =
        _parser_.OFPGroupMod(datapath,
                          ofp.OFPFC_ADD,
                                            ofp.OFPGT_SELECT,*
                                            *                group_id, buckets)*
                                            *
                                            *
                                            *        datapath.send_msg(req)*
                                            *
                                            *
                                            *
                                            *
                                            *
                                            *
                                            Hope this is right.

                                            Could anyone help me with this 
issue?




                                            --         Best regards,
                                            José Carlos Ferreira
                                            Msc student in Computer Science
                                            System and Network Analyst at 
PoP-PE/RNP


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        <mailto:Ryu-devel@lists.sourceforge.net>
                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>>>>>
        https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>
<https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>
 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>
<https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>>
  <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>
<https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>
 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>
<https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>>>




                                   --         Best regards,
                                   José Carlos Ferreira
                                   Msc student in Computer Science
                                   System and Network Analyst at PoP-PE/RNP


------------------------------------------------------------------------------
                                   Check out the vibrant tech community on one
        of the
                 world's most
                                   engaging tech sites, Slashdot.org!
        http://sdm.link/slashdot



                                   
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                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>
                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>>>
                          <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>
                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>>
                          <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>
                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>>>>
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        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>
<https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>
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                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>>




                          --         Best regards,
                          José Carlos Ferreira
                          Msc student in Computer Science
                          System and Network Analyst at PoP-PE/RNP


------------------------------------------------------------------------------
                          Check out the vibrant tech community on one of the
        world's most
                          engaging tech sites, Slashdot.org!
        http://sdm.link/slashdot



                          _______________________________________________
                          Ryu-devel mailing list
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                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>
                 <mailto:Ryu-devel@lists.sourceforge.net
        <mailto:Ryu-devel@lists.sourceforge.net>>>
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                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>>




                 --         Best regards,
                 José Carlos Ferreira
                 Msc student in Computer Science
                 System and Network Analyst at PoP-PE/RNP


------------------------------------------------------------------------------
                 Check out the vibrant tech community on one of the world's most
                 engaging tech sites, Slashdot.org! http://sdm.link/slashdot



                 _______________________________________________
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        <mailto:Ryu-devel@lists.sourceforge.net
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                 <https://lists.sourceforge.net/lists/listinfo/ryu-devel
        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>>




-- Best regards,
        José Carlos Ferreira
        Msc student in Computer Science
        System and Network Analyst at PoP-PE/RNP


        
------------------------------------------------------------------------------
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        engaging tech sites, Slashdot.org! http://sdm.link/slashdot



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        <https://lists.sourceforge.net/lists/listinfo/ryu-devel>




--
Best regards,
José Carlos Ferreira
Msc student in Computer Science
System and Network Analyst at PoP-PE/RNP


------------------------------------------------------------------------------
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engaging tech sites, Slashdot.org! http://sdm.link/slashdot



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