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  1. transit traffic (traffic from one BGP peer outside local SDN network traverses local SDN network and goes to another BGP peer) are proactively installed by SDN-IP application
  2. one host wants to talk to another host, both two hosts are in SDN network.
  3. one host in SDN network wants to talk to another host in Internet.
  4. one host from Internet wants to talk to another host in SDN network.

 

Even if you only want run reactive routing for local traffic, which means case 2 above. You still need to run SDN-IP APP.

one example of the configuration file is:

 

{
    "ports" : {
        "of:00000000000000a1/4" : {
            "interfaces" : [
                {
                    "ips"  : [ "201.0.0.254/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:00000000000000a2/3" : {
            "interfaces" : [
                {
                    "ips"  : [ "202.0.0.254/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:00000000000000a6/3" : {
            "interfaces" : [
                {
                    "ips"  : [ "206.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:0000000000000a13/4" : {
            "interfaces" : [
                {
                    "ips"  : [ "213.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        }
    },
    "apps" : {
       "org.onosproject.reactive.routing" : {
            "reactiveRouting" : {
                "ip4LocalPrefixes" : [
                    {
                        "ipPrefix" : "201.0.0.0/24",
                        "type" : "PUBLIC",
                        "gatewayIp" : "201.0.0.254"
                    },
                    {
                        "ipPrefix" : "202.0.0.0/24",
                        "type" : "PUBLIC",
                        "gatewayIp" : "202.0.0.254"
                    },
                    {
                        "ipPrefix" : "206.0.0.0/24",
                        "type" : "PRIVATE",
                        "gatewayIp" : "206.0.0.254"
                    },
                    {
                        "ipPrefix" : "213.0.0.0/24",
                        "type" : "PRIVATE",
                        "gatewayIp" : "213.0.0.254"
                    }
                ],
                "ip6LocalPrefixes" : [
                ],
                "virtualGatewayMacAddress" : "00:00:00:00:00:01"
            }
        }
    }
}

 

 

If you want to make all the scenarios work, including 1. 2. 3. 4. Then you should config both SDN-IP APP and ReactiveRouting APP. One config example is:

 

{
    "ports" : {
        "of:00000000000000a8/5" : {
            "interfaces" : [
                {
                    "ips"  : [ "10.0.5.101/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:0000000000000a32/4" : {
            "interfaces" : [
                {
                    "ips"  : [ "10.0.4.101/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:0000000000000a28/3" : {
            "interfaces" : [
                {
                    "ips"  : [ "10.0.6.101/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:00000000000000a1/4" : {
            "interfaces" : [
                {
                    "ips"  : [ "201.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:00000000000000a2/3" : {
            "interfaces" : [
                {
                    "ips"  : [ "202.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:00000000000000a6/3" : {
            "interfaces" : [
                {
                    "ips"  : [ "206.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        },
        "of:0000000000000a13/4" : {
            "interfaces" : [
                {
                    "ips"  : [ "213.0.0.200/24" ],
                    "mac"  : "00:00:00:00:00:01"
                }
            ]
        }
    },
    "apps" : {
        "org.onosproject.router" : {
            "bgp" : {
                "bgpSpeakers" : [
                    {
                        "connectPoint" : "of:0000000000000a24/1",
                        "peers" : [
                            "10.0.4.1",
                            "10.0.5.1",
                            "10.0.6.1"
                        ]
                    }
                ]
            }
        },
       "org.onosproject.reactive.routing" : {
            "reactiveRouting" : {
                "ip4LocalPrefixes" : [
                    {
                        "ipPrefix" : "201.0.0.0/24",
                        "type" : "PUBLIC",
                        "gatewayIp" : "201.0.0.254"
                    },
                    {
                        "ipPrefix" : "202.0.0.0/24",
                        "type" : "PUBLIC",
                        "gatewayIp" : "202.0.0.254"
                    },
                    {
                        "ipPrefix" : "206.0.0.0/24",
                        "type" : "PRIVATE",
                        "gatewayIp" : "206.0.0.254"
                    },
                    {
                        "ipPrefix" : "213.0.0.0/24",
                        "type" : "PRIVATE",
                        "gatewayIp" : "213.0.0.254"
                    }
                ],
                "ip6LocalPrefixes" : [
                ],
                "virtualGatewayMacAddress" : "00:00:00:00:00:01"
            }
        }
    }
}

Since  "201.0.0.0/24" and  "202.0.0.0/24" are public IP prefixes, you should also config them inside BGP speakers inside SDN network. 

 

 

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