mytopo.json

{
  "devices": {
    "of:0000000000000001": { "basic": { "name": "S1" }},
    "of:0000000000000002": { "basic": { "name": "S2" }},
    "of:0000000000000003": { "basic": { "name": "S3" }},
    "of:0000000000000004": { "basic": { "name": "S4" }},
    "of:0000000000000005": { "basic": { "name": "S5" }},
    "of:0000000000000006": { "basic": { "name": "S6" }}
  },

  "hosts": {
    "00:00:00:00:00:01/-1": { "basic": { "locations": ["of:0000000000000001/1"], "name": "H1", "ips": ["10.1.0.1"] }},
    "00:00:00:00:00:02/-1": { "basic": { "locations": ["of:0000000000000001/2"], "name": "H2", "ips": ["10.1.0.2"] }},
    "00:00:00:00:00:03/-1": { "basic": { "locations": ["of:0000000000000002/1"], "name": "H3", "ips": ["10.2.0.3"] }},
    "00:00:00:00:00:04/-1": { "basic": { "locations": ["of:0000000000000002/2"], "name": "H4", "ips": ["10.2.0.4"] }},
    "00:00:00:00:00:05/-1": { "basic": { "locations": ["of:0000000000000003/1"], "name": "H5", "ips": ["10.3.0.5"] }},
    "00:00:00:00:00:06/-1": { "basic": { "locations": ["of:0000000000000003/2"], "name": "H6", "ips": ["10.3.0.6"] }}
  }
}