{
  "name": "网络设备基础配置实验",
  "description": "单交换机+PC+MateBook+MatePad，同一网段基本连通测试",
  "devices": [
    {"id":"sw1","type":"switch","model":"S5700","name":"SW1","position":{"x":240,"y":160},"status":"running","interfaces":[{"name":"GE0/0/1","ip":"","vlan":0},{"name":"GE0/0/2","ip":"","vlan":0},{"name":"GE0/0/3","ip":"","vlan":0}],"vlans":[],"routes":[],"config":""},
    {"id":"pc1","type":"pc","model":"PC","name":"PC","position":{"x":100,"y":320},"status":"running","interfaces":[{"name":"eth0","ip":"192.168.1.10/24","vlan":0}],"vlans":[],"routes":[],"config":"gateway: 无需网关"},
    {"id":"lt1","type":"laptop","model":"MateBook","name":"MateBook","position":{"x":240,"y":320},"status":"running","interfaces":[{"name":"eth0","ip":"192.168.1.20/24","vlan":0}],"vlans":[],"routes":[],"config":"gateway: 无需网关"},
    {"id":"tp1","type":"tablet","model":"MatePad","name":"MatePad","position":{"x":380,"y":320},"status":"running","interfaces":[{"name":"eth0","ip":"192.168.1.30/24","vlan":0}],"vlans":[],"routes":[],"config":"gateway: 无需网关"}
  ],
  "links": [
    {"id":"l1","deviceAId":"sw1","portA":"GE0/0/1","deviceBId":"pc1","portB":"eth0"},
    {"id":"l2","deviceAId":"sw1","portA":"GE0/0/2","deviceBId":"lt1","portB":"eth0"},
    {"id":"l3","deviceAId":"sw1","portA":"GE0/0/3","deviceBId":"tp1","portB":"eth0"}
  ]
}