Hi,

We are using ODL Beryllium-SR4 release integrated with Openstack Mitaka Release 
OVS version 2.6.1 and trying to create Rendered Service Path.


The following packages are installed in ODL :-


*         odl-ovsdb-openstack

*         odl-dlux-core

*         odl-dlux-all

*         odl-sfc-ui

*         odl-sfc-ovs

*         odl-sfc-provider

*         odl-sfc-model

*         odl-sfc-ui

*         odl-openflowplugin-nxm-extensions

*         odl-openflowplugin-flow-services

*         odl-l2switch-hosttracker

*         odl-l2switch-arphandler

*         odl-sfcofl2

The REST API POST Request are as follows :-

Service Function Forwarder (SFF) :-

URI :- 
http://172.19.53.31:8181/restconf/config/service-function-forwarder:service-function-forwarders/service-function-forwarder/sff6

Body :-

{
   "service-function-forwarder":{
      "name":"sff6",
      "sff-data-plane-locator":[
         {
            "name":"sff6dp6",
            "data-plane-locator":{
               "port":4789,
               "ip":"172.19.53.34",
               "transport":"service-locator:vxlan-gpe"
            },
            "ovs-options":{
               "local-ip":"flow",
               "remote-ip":"flow",
               "dst-port":"4789"
            },
            "ovs-bridge":{
               "bridge-name":"br-int"
            }
         }
      ],
      "ip-mgmt-address":"172.19.53.34",
      "service-function-forwarder-ovs:ovs-bridge":{
         "bridge-name":"br-int"
      },
      "service-function-dictionary":[
         {
            "sff-sf-data-plane-locator":{
               "sf-dpl-name":"sf1dp1",
               "sff-dpl-name":"sff6dp6"
            },
            "sff-interfaces":[

            ],
            "name":"sf1"
         }
      ]
   }
}

Service Functions :-

URI :- 
http://172.19.53.31:8181/restconf/config/service-function:service-functions/service-function/sf1

Body :-

{
   "service-function":{
      "sf-data-plane-locator":[
         {
            "service-function-forwarder":"sff6",
            "name":"sf1dp1",
            "mac":"FE:16:3E:ED:D5:F1",
            "transport":"service-locator:mac"
         }
      ],
      "name":"sf1",
      "type":"service-function-type:dpi",
      "ip-mgmt-address":"172.19.53.38",
      "nsh-aware":"true"
   }
}


Note :-

172.19.53.34                       Compute IP
FE:16:3E:ED:D5:F1            VM MAC Address
172.19.53.38                       VM Management Address

The Service Function Chains, Access List/Classifier and Service Function Paths 
and Rendered Service Paths are created via GUI.

It is being observed that once Rendered Service Paths are created, there are 
some changes in the br-int flows captured using the command :-

ovs-ofctl dump-flows -O OPENFLOW13 br-int

It is being analyzed that the br-int flows are drop at the table 10.

cookie=0x14, duration=22.690s, table=0, n_packets=0, n_bytes=0, priority=5 
actions=goto_table:1
cookie=0x14, duration=22.562s, table=1, n_packets=0, n_bytes=0, 
priority=350,conj_id=53 actions=goto_table:4
cookie=0x14, duration=22.562s, table=1, n_packets=0, n_bytes=0, 
priority=350,conj_id=8388661 actions=goto_table:4
cookie=0x14, duration=22.687s, table=1, n_packets=0, n_bytes=0, priority=5 
actions=drop
cookie=0x14, duration=22.685s, table=2, n_packets=0, n_bytes=0, priority=5 
actions=goto_table:3
cookie=0x14, duration=22.681s, table=3, n_packets=0, n_bytes=0, priority=5 
actions=goto_table:4
cookie=0x14, duration=22.679s, table=4, n_packets=0, n_bytes=0, priority=5 
actions=goto_table:10
cookie=0x14, duration=22.677s, table=10, n_packets=0, n_bytes=0, priority=5 
actions=drop


 Can you please provide some Guidance, in order to resolve this issue.

 Please also find attached the compute br-int flows of both Before RSP and 
After RSP scenario.


With Regards

Anirudh Gupta

Software Engineer

[email protected] | Extension - 4908

[cid:[email protected]]<https://www.aricent.com/>






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