Telekom

{
  "protocols": {
    "igmp-proxy": {
      "interface": {
        "eth0": {
          "alt-subnet": [
            "0.0.0.0/0"
          ],
          "role": "upstream",
          "threshold": "1"
        },
        "eth1": {
          "alt-subnet": [
            "0.0.0.0/0"
          ],
          "role": "downstream",
          "threshold": "1"
        }
      }
    }
  }
}