sing-box/test/config/vmess-mux-client.json

{
  "log": {
    "loglevel": "debug"
  },
  "inbounds": [
    {
      "listen": "127.0.0.1",
      "port": "1080",
      "protocol": "socks",
      "settings": {
        "auth": "noauth",
        "udp": true,
        "ip": "127.0.0.1"
      }
    }
  ],
  "outbounds": [
    {
      "protocol": "vmess",
      "settings": {
        "vnext": [
          {
            "address": "127.0.0.1",
            "port": 1234,
            "users": [
              {
                "id": "",
                "alterId": 0,
                "security": "none",
                "experiments": ""
              }
            ]
          }
        ]
      },
      "mux": {
        "enabled": true
      }
    }
  ]
}