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

  "switchConfig":
             [
               { "nodeDpid" : "of:00010001e88b9368", "name": "Dell-R1", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.1/32",
                             "routerMac": "00:01:e8:8b:93:6b",
                             "nodeSid": 101,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 46, "subnetIp": "10.200.1.1/24" }
                                         ]
                             }
                 },

               { "nodeDpid": "of:00010001e88b939b", "name": "Dell-R2", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.2/32",
                             "routerMac": "00:01:e8:8b:93:9e",
                             "nodeSid": 102,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 46, "subnetIp": "10.200.2.1/24" }
                                         ]
                             }
                 },

               { "nodeDpid": "of:00010001e88b938c", "name": "Dell-R3", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.3/32",
                             "routerMac": "00:01:e8:8b:93:8f",
                             "nodeSid": 103,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 46, "subnetIp": "10.200.3.1/24" }
                                         ]
                             }
                 },

		{ "nodeDpid": "of:00010001e88b93ad", "name": "Dell-R4", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.4/32",
                             "routerMac": "00:01:e8:8b:93:b0",
                             "nodeSid": 104,
                             "isEdgeRouter" : true,
                             "subnets": [
                                         { "portNo": 46, "subnetIp": "10.200.4.1/24" }
                                         ]
                             }
                 },

		{ "nodeDpid": "of:00010001e88b93bc", "name": "Dell-R5", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.5/32",
                             "routerMac": "00:01:e8:8b:93:bf",
                             "nodeSid": 105,
                             "isEdgeRouter" : false
                             }
                 },

		{ "nodeDpid": "of:00010001e88b93c2", "name": "Dell-R6", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.6/32",
                             "routerMac": "00:01:e8:8b:93:c5",
                             "nodeSid": 106,
                             "isEdgeRouter" : false
                             }
                 },

                 { "nodeDpid": "of:00010001e88b9398", "name": "Dell-R7", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.7/32",
                             "routerMac": "00:01:e8:8b:93:9b",
                             "nodeSid": 107,
                             "isEdgeRouter": false
                             }
                 },

                 { "nodeDpid": "of:00010001e88b27e3", "name": "Dell-R8", "type": "Router_SR", "allowed": true,
                 "latitude": 80.80, "longitude": 90.10,
                 "params": { "routerIp": "192.168.0.8/32",
                             "routerMac": "00:01:e8:8b:27:e6",
                             "nodeSid": 108,
                             "isEdgeRouter": false
                             }
                 }

               ]
}