{
  "comment": " Segment routing topology description and configuration",
  "restrictSwitches": true,
  "restrictLinks": true,

  "switchConfig":
             [
               { "nodeDpid": "00:01", "name": "Dallas-R1", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.1/32",
                             "routerMac": "00:00:01:01:01:80",
                             "nodeSid": 101,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 1, "subnetIp": "10.0.1.128/24" },
                    					 { "portNo": 2, "subnetIp": "10.0.1.128/24" },
					                     { "portNo": 3, "subnetIp": "10.0.1.128/24" },
                                         { "portNo": 4, "subnetIp": "10.0.2.128/24" },
                                         { "portNo": 5, "subnetIp": "10.0.3.128/24" }
                                         ]
                             }
                 },

               { "nodeDpid": "00:02", "name": "Dallas-R2", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.2/32",
                             "routerMac": "00:00:02:02:02:80",
                             "nodeSid": 102,
                             "isEdgeRouter" : false
                             }
                 },

               { "nodeDpid": "00:03", "name": "Dallas-R3", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.3/32",
                             "routerMac": "00:00:07:07:07:80",
                             "nodeSid": 103,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 1, "subnetIp": "7.7.7.128/24" }
                                         ]
                             }
                 }

               ],

  "linkConfig":[

                { "type": "pktLink", "allowed": true,
                  "nodeDpid1": "01", "nodeDpid2": "02",
                  "params": { "port1": 6, "port2": 1 }
                  },

               { "type": "pktLink", "allowed": true,
                  "nodeDpid1": "01", "nodeDpid2": "02",
                  "params": { "port1": 7, "port2": 3 }
                  },

                { "type": "pktLink", "allowed": true,
                  "nodeDpid1": "02", "nodeDpid2": "03",
                  "params": { "port1": 2, "port2": 2 }
                  }

                ]


}