{"id":115,"date":"2024-08-10T17:30:21","date_gmt":"2024-08-10T09:30:21","guid":{"rendered":"https:\/\/www.sretalk.com\/?p=115"},"modified":"2024-08-10T17:38:40","modified_gmt":"2024-08-10T09:38:40","slug":"%e7%bd%91%e7%bb%9c%e5%9f%ba%e6%9c%ac%e7%9f%a5%e8%af%86%e5%8f%8a%e5%b8%b8%e7%94%a8%e5%b7%a5%e5%85%b7%e5%92%8c%e6%8e%92%e6%9f%a5%e6%89%8b%e6%ae%b5","status":"publish","type":"post","link":"https:\/\/www.sretalk.com\/?p=115","title":{"rendered":"\u7f51\u7edc\u57fa\u672c\u77e5\u8bc6\u53ca\u5e38\u7528\u5de5\u5177\u548c\u6392\u67e5\u624b\u6bb5"},"content":{"rendered":"\n
\n

\u6ce8\uff1a\u8ba1\u7b97\u673a\u7f51\u7edc\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u5b66\u79d1\uff0c\u4e0d\u662f\u4e09\u8a00\u4e24\u8bed\u3001\u4e00\u7bc7\u6587\u7ae0\u5c31\u80fd\u8bf4\u6e05\u695a\u7684\uff0c\u8fd9\u91cc\u53ea\u662f\u7b80\u5355\u666e\u53ca\u4e00\u4e0b\u57fa\u7840\u77e5\u8bc6\uff0c\u4ee5\u53ca\u8fd0\u7ef4\u5e38\u7528\u7684\u5de5\u5177\u548c\u6392\u67e5\u624b\u6bb5\u3002<\/p>\n<\/blockquote>\n\n\n\n

\u4e00 \u77e5\u8bc6\u56fe\u8c31<\/h2>\n\n\n
\n
\"\"<\/div><\/figure>\n<\/div>\n\n\n

\u4e8c \u7f51\u7edc\u5c42\u6b21\u5212\u5206<\/h2>\n\n\n\n

\u8ba1\u7b97\u673a\u7684\u7f51\u7edc\u7ed3\u6784\u5206\u4e3a3\u79cd\uff0cOSI \u4e03\u5c42\u6a21\u578b<\/strong>\u3001TCP\/IP \u56db\u5c42\u6a21\u578b<\/strong>\u00a0\u548c\u00a0\u4e94\u5c42\u6a21\u578b<\/strong>\uff0cOSI \u4e03\u5c42\u6a21\u578b\u662f\u7406\u8bba\u4e0a\u7684\u4e00\u4e2a\u901a\u4fe1\u6a21\u578b\uff0c\u5728\u5b9e\u9645\u5e94\u7528\u4e0a\u5e38\u7528\u7684\u662f\u00a0TCP\/IP \u6a21\u578b<\/strong>\u00a0\u3002\u5728\u00a0TCP\/IP \u6a21\u578b\u4e2d<\/strong>\uff0c\u5728\u64cd\u4f5c\u7cfb\u7edf\u5c42\u9762\u6240\u6709\u8fdb\u7a0b\u3001\u5e94\u7528\u6240\u5b9e\u9645\u7684\u90fd\u662f\u00a0\u5e94\u7528\u5c42<\/strong>\u00a0\u7684\u534f\u8bae\uff0c\u5982\u00a0SMTP, HTTP<\/strong>\u00a0\u7b49\uff0c\u7136\u540e\u518d\u901a\u8fc7\u00a0\u5e95\u5c42<\/strong>\u00a0\u8fdb\u884c\u5efa\u7acb\u901a\u8baf\u3002
<\/p>\n\n\n

\n
\"\"<\/div><\/figure>\n<\/div>\n\n\n

\u5982\u679c\u662f agent -> server<\/code> \u7684\u6570\u636e\u4ea4\u4e92\u4e3a\u4f8b\uff1a<\/p>\n\n\n\n

    \n
  1. Agent \u4f5c\u4e3a\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f1a\u4ea7\u751f\u6570\u636e\u00a0data<\/strong>\uff0c\u5f53\u6570\u636e\u9700\u8981\u53d1\u9001\u5230\u5148\u7ecf\u8fc7\u4f20\u8f93\u5c42\u7684\u5c01\u88c5\uff0c\u628a\u5bf9\u5e94\u7684\u7aef\u53e3\u4fe1\u606f\u5c01\u88c5\u5230\u6570\u636e\u5305\u4e2d\u3002<\/li>\n\n\n\n
  2. \u7136\u540e\u4f20\u8f93\u5c42\u7684\u6570\u636e\u5305\u518d\u7ecf\u8fc7\u7f51\u7edc\u5c42\u7684\u5c01\u88c5\uff0c\u628a IP \u5730\u5740\u4fe1\u606f\u5c01\u88c5\u5230\u6570\u636e\u5305\u4e2d\u3002<\/li>\n\n\n\n
  3. \u6700\u540e\u94fe\u8def\u5c42\u4f1a\u518d\u628a\u81ea\u5df1\u7684\u7269\u7406\u5730\u5740\u8fdb\u884c\u5c01\u88c5\u5230\u6570\u636e\u5305\u4e2d\uff0c\u5f62\u6210\u4e00\u4e2a\u5b8c\u6574\u7684\u6570\u636e\u62a5\u6587\uff0c\u5305\u542bMac\u5730\u5740\uff0cIP\u5730\u5740\u4fe1\u606f\uff0c\u7aef\u53e3\u4fe1\u606f\u7b49\u00a0\uff08\u5b8c\u6574\u7684\u6570\u636e\u62a5\u6587\u5982\u4e0b\uff09<\/em>\u3002<\/li>\n\n\n\n
  4. \u8fd9\u6bb5\u62a5\u6587\u540e\u7eed\u4f1a\u88ab\u7f51\u7edc\u8bbe\u5907\u8fdb\u884c\u8def\u7531\u548c\u8f6c\u53d1\uff0c\u5230\u5bf9\u5e94\u7684 server\uff0c\u7136\u540e\u7ecf\u8fc7\u5c42\u5c42\u7684\u89e3\u5305\uff0c\u6700\u540e\u628a data \u6570\u636e\u4ea4\u7ed9 server \u5e94\u7528\u7a0b\u5e8f\u8fdb\u884c\u540e\u7eed\u7684\u5904\u7406\u3002<\/li>\n<\/ol>\n\n\n
    \n
    \"\"<\/div><\/figure>\n<\/div>\n\n\n

    \u4e09 \u5e26\u5bbd\u548c\u4f20\u8f93\u901f\u7387<\/h2>\n\n\n\n

    \u6b63\u5e38\u6765\u8bf4\uff0c\u4e00\u4e2a\u62a5\u6587\u7684\u5927\u5c0f\u4e00\u822c\u662f\u00a01448 \u5b57\u8282 Byte<\/span>\u00a01<\/sup>\uff0c\uff08\u4e5f\u53eb\u5927B\uff0c1Byte = 8 bit\u6bd4\u7279\uff09<\/em>\u3002\u800c\u6bcf\u79d2\u80fd\u4f20\u8f93\u7684\u00a0\u5b57\u8282\u6570<\/strong>\uff0c\u5373\u662f\u6211\u4eec\u5e38\u8bf4\u7684\u5e26\u5bbd\uff0c\u5e38\u7528\u7684\u5355\u4f4d\u6709\u00a0Mb\/s\u00a0<\/span>2<\/sup>\u00a0\u548c MB\/s\u3002\u6240\u4ee5\u5728\u8fdb\u884c\u6c9f\u901a\u7f51\u7edc\u5e26\u5bbd\u65f6\uff0c\u6211\u4eec\u9700\u8981\u6ce8\u610f\u4e0e\u9664\u4e86\u4e0e\u5ba2\u6237\u6c9f\u901a\u5e26\u5bbd\u7684\u5927\u5c0f\u4e4b\u540e\uff0c\u8fd8\u6709\u786e\u8ba4\u5355\u4f4d\uff0c\u5982\uff1a”\u5ba2\u6237\u5982\u679c\u8bf4\u80fd\u63d0\u4f9b\u7684\u5e26\u5bbd\u662f 100 \u5146”\uff0c\u6211\u4eec\u9700\u8981\u518d\u95ee\u4e00\u53e5\uff1a“\u662f\u5927B\u8fd8\u662f\u5c0fb\u3002”<\/span>3<\/sup>\u00a0\u4ee5\u6b64\u6765\u786e\u8ba4\u5bf9\u5e94\u7684\u5355\u4f4d\uff0c\u540c\u65f6\uff0c\u8fd0\u8425\u5546\u65b9\u9762\u7684\u53eb\u6cd5\uff0c\u4e5f\u662f\u4ee5 Mb\/s \u4e3a\u5355\u4f4d\uff0c\u5982\u00a0100\u5146\u5e26\u5bbd<\/strong>\u00a0\uff0c\u6216\u8005\u662f\u00a0100 Mbps<\/strong>\u00a0\uff0c\u90fd\u662f\u8868\u793a\u00a0XX \u5146\u6bd4\u7279\u6bcf\u79d2<\/strong>\uff0c\u9700\u8981 100Mb\/s = (100\/8) MB\/s = 12.5 MB\/s<\/code><\/p>\n\n\n\n

    \n

    \u6ce8\uff1a<\/p>\n\n\n\n

      \n
    1. \u8fd9\u91cc\u4e0e MTU (\u6700\u5927\u4f20\u8f93\u5355\u5143\uff0cMaximum Transmission Unit) \u76f8\u5173\uff0c\u4e00\u822c\u662f 1500\u3002MTU \u662f\u94fe\u8def\u5c42\u5bf9\u7f51\u7edc\u5c42\u7684\u9650\u5236\uff0c\u5982\u679c\u8d85\u8fc7\u8fd9\u4e2a\u9650\u5236\uff0c\u4f1a\u5728\u7f51\u7edc\u5c42\u8fdb\u884c\u6570\u636e\u5305\u7684\u5206\u7247\uff0c\u4e0d\u5229\u4e8e\u4f20\u8f93\u3002<\/li>\n\n\n\n
    2. Mb\/s \u4e5f\u6709\u4f7f\u7528 Mbps \u8fdb\u884c\u8868\u793a\u3002<\/li>\n\n\n\n
    3. \u5927B \u8868\u793a Bytes\/s\uff0c \u5c0fb \u8868\u793a bits\/s<\/li>\n<\/ol>\n<\/blockquote>\n\n\n\n

      <\/p>\n\n\n\n

      3.1 \u5982\u4f55\u6d4b\u8bd5\uff1f<\/h3>\n\n\n\n

      \u5728 Linux \u7cfb\u7edf\u4e2d\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u4f7f\u7528 iperf3 \u5de5\u5177\u8fdb\u884c\u6d4b\u8bd5\u4e24\u7aef\u4e4b\u95f4\u7684\u5e26\u5bbd\u3002<\/p>\n\n\n\n

      # \u5de5\u5177\u5b89\u88c5<\/em>\nyum -y install iperf3\n<\/code><\/pre>\n\n\n\n
      iperf3 \u662f C\/S \u67b6\u6784\uff0c\u9700\u8981\u5728\u63a5\u6536\u65b9\u542c\u4e00\u4e2a\u7aef\u53e3\uff0c\u5e76\u4e14\u7531\u53d1\u8d77\u65b9\u53d1\u8d77\u8bf7\u6c42\uff0c\u56e0\u6b64\u6e90\u548c\u76ee\u6807\u90fd\u8981\u5b89\u88c5\u8be5\u5de5\u5177\u3002<\/mark><\/p>\n\n\n\n
      # \u5728\u63a5\u6536\u65b9\uff1a\niperf3 -s -p 3000 \n# -s \u8868\u793a\u662f server \u7aef\n# -p \u8868\u793a\u8981\u4fa6\u542c\u7684\u7aef\u53e3\n\n# \u8fd4\u56de:\n# -----------------------------------------------------------\n# Server listening on 3000\n# -----------------------------------------------------------\n\n# \u5728\u53d1\u8d77\u65b9\uff1a\niperf3 -c 10.10.0.10 -p 3000 <\/code><\/pre>\n\n\n\n
      \u6d4b\u8bd5\u5b8c\u6210\u540e\uff0c\u5728\u53d1\u8d77\u65b9\u4f1a\u770b\u5230\u5982\u4e0b\u7684\u8fd4\u56de\uff1a
      <\/p>\n\n\n\n
      \"\"<\/div><\/figure>\n\n\n\n
      \u4e0a\u9762\u7684\u8fd4\u56de\u7ed3\u8bba\u662f: \u5171\u4f20\u8f93\u4e86 3.98 GB \u7684\u6570\u636e\uff0c\u53d1\u9001\u65b9\u5e26\u5bbd\u662f 3.42 Gbits\/s\uff0c\u63a5\u6536\u65b9\u5e26\u5bbd\u662f 3.42 Gbits\/s\u3002\u6362\u7b97\u6210\u4f20\u8f93\u901f\u7387\u5c31\u662f\uff1a(3.42*1024\/8) MB\/s<\/code>\u00a0\uff0c\u7ea6\u4e3a 400 MB\/s\u3002<\/p>\n\n\n\n
      \u56db \u5e38\u89c1\u7f51\u7edc\u534f\u8bae<\/h2>\n\n\n\n
        \n
      1. \u4ece\u00a0\u4e8c \u7f51\u7edc\u5c42\u6b21\u5212\u5206<\/strong>\u00a0\u4e2d\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u5e38\u8bf4\u7684\u00a0\u201cSSH \u534f\u8bae\u3001HTTP \u534f\u8bae\u3001SMTP \u534f\u8bae\u201d<\/strong>\u00a0\u7b49\uff0c\u90fd\u662f\u5e94\u7528\u5c42\u6240\u5b9a\u4e49\u7684\u534f\u8bae\uff0c\u4e0d\u540c\u7684\u670d\u52a1\u4e4b\u95f4\u4f7f\u7528\u4e0d\u540c\u7684\u534f\u8bae\u8fdb\u884c\u5efa\u7acb\u4f1a\u8bdd\u3002<\/li>\n\n\n\n
      2. \u800c\u6211\u4eec\u5728\u5f00\u653e\u7aef\u53e3\u65f6\u5e38\u8bf4\u7684 TCP\uff0cUDP \u534f\u8bae\uff0c\u5b9e\u9645\u662f\u6307\u7684\u662f\u4f20\u8f93\u5c42\u7684\u901a\u8baf\u534f\u8bae\uff0c\u5e38\u89c1\u7684\u662f\u8fd9\u4e24\u4e2a\u534f\u8bae\uff0c\u4e0a\u5c42\u7684\u534f\u8bae\u4e00\u822c\u4f1a\u5c01\u88c5\u6210 TCP \u6216 UDP \u518d\u5f80\u4e0b\u8fdb\u884c\u901a\u8baf\u3002<\/li>\n\n\n\n
      3. \u7b2c\u4e09\u4e2a\u5e38\u8bf4\u7684 IPv4\u3001IPv6\uff0c\u5b9e\u9645\u4e0a\u662f\u6307\u7f51\u7edc\u5c42\u7684 IP (Internet Protocol) \u534f\u8bae\uff0cv4 \u7248\u672c\u548c v6 \u7248\u672c\u3002<\/li>\n<\/ol>\n\n\n\n
        \u6240\u4ee5\u6211\u4eec\u5e38\u8bf4\u7684\u5f00\u653e\u7f51\u7edc\u7b56\u7565\uff0c\u4e00\u822c\u90fd\u9700\u8981\u63d0\u4f9b\u5bf9\u5e94\u7684 IP \u5730\u5740\u548c\u7aef\u53e3\uff0c\u5b9e\u9645\u4e0a\u5c31\u662f\u5bf9\u53cc\u65b9\u7684\u00a0\u4f20\u8f93\u5c42\u3001\u7f51\u7edc\u5c42<\/strong>\u00a0\u8fdb\u884c\u5efa\u7acb\u901a\u8baf\u3002\u5982\uff1a
        <\/p>\n\n\n\n
        \u6e90<\/th>\u65b9\u5411<\/th>\u76ee\u6807<\/th>\u7aef\u53e3<\/th>\u534f\u8bae<\/th><\/tr><\/thead>
        10.10.0.10<\/td>\u2013><\/td>20.10.10.10<\/td>3306<\/td>TCP<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
        \n
        \u8981\u7279\u522b\u6ce8\u610f\u7684\u662f\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u6240\u8bf4\u7684\u00a0\u5f00\u653e\u7aef\u53e3<\/strong>\uff0c\u5f00\u653e\u9632\u706b\u5899\u7b56\u7565<\/strong>\u00a0\u7b49\uff0c\u4e00\u822c\u90fd\u662f\u6307\u00a0\u51c6\u5165\u7b56\u7565<\/strong>\uff0c\u800c\u4e0d\u662f\u51c6\u5165\u51c6\u51fa\u3002\u5982\u4e0a\u9762\u7684\u7b56\u7565\uff0c\u5e76\u6ca1\u6709\u5199\u00a010.10.0.10 <-- 20.10.10.10<\/code>\u00a0\u7684\u8fd4\u56de\u7b56\u7565\uff0c\u4e00\u822c\u60c5\u51b5\u4e0b\u5728\u5efa\u7acb\u4f1a\u8bdd\u65f6\uff0c\u53d1\u8d77\u65b9\u4f1a\u6839\u636e\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u6240\u5206\u914d\u7684\u4e00\u4e2a\u968f\u673a\u7aef\u53e3\uff0c\u4e0e\u76ee\u6807\u8fdb\u884c\u5efa\u7acb\u8d77\u4f1a\u8bdd\uff0c\u968f\u673a\u7aef\u53e3\u7684\u8303\u56f4\u4f17\u591a\uff0c\u4e00\u822c\u4e0d\u4f1a\u6709\u8981\u6c42\u5f00\u653e\u5bf9\u5e94\u7684\u7aef\u53e3\uff0c\u800c\u66f4\u5e94\u8be5\u5173\u6ce8\u7684\u662f\u76ee\u6807\u7aef\u53e3\u3002
        <\/p>\n<\/blockquote>\n\n\n\n
        \u4e94 \u4f1a\u8bdd\u8fde\u63a5<\/h2>\n\n\n\n
        \u5f53\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u7aef\u8981\u5efa\u7acb\u8d77 TCP \u8fde\u63a5\u65f6\uff0c\u4e00\u822c\u9700\u8981\u7ecf\u8fc7\u4e8c\u6b21\u63e1\u624b\u3002\u800c\u5982\u679c\u9700\u8981\u6b63\u5e38\u65ad\u5f00\u4f1a\u8bdd\uff0c\u9700\u8981\u56db\u6b21\u6325\u624b\u3002\u4ee5\u4e0b\u4ee5 gse \u4e3a\u4f8b\uff1a
        <\/p>\n\n\n\n
        5.1 \u4e09\u6b21\u63e1\u624b<\/h3>\n\n\n\n
          \n
        1. \u6b63\u5e38\u60c5\u51b5\u4e0b\uff0cgse_server \u670d\u52a1\u7aef\u7684\u8fdb\u7a0b\u4f1a\u6b63\u5e38\u4fa6\u542c\u4e00\u4e2a\u00a0(\u6216\u591a\u4e2a)<\/em>\u00a0\u7aef\u53e3\uff0c\u8fd9\u65f6\u5982\u679c\u4f7f\u7528\u00a0netstat<\/code>\u00a0\u547d\u4ee4\uff0c\u53ef\u4ee5\u770b\u5230\u8be5\u7aef\u53e3\u5904\u4e8e LISTEN \u72b6\u6001\u3002<\/li>\n\n\n\n
        2. \u5f53 gse_agent \u9700\u8981\u53d1\u8d77\u4e0e gse_agent \u7684\u8fde\u63a5\u65f6\uff0c\u4f1a\u53d1\u9001\u4e00\u4e2a\u00a0SYN<\/strong>\u00a0\u4fe1\u53f7\uff0c\u7136\u540e agent \u670d\u52a1\u5668\u4e0a\u4f1a\u770b\u5230\u00a0SYN-SEND<\/strong>\u00a0\u7684\u72b6\u6001\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u662f\u770b\u4e0d\u5230\u7684\uff0c\u56e0\u4e3a\u8fd9\u4f1a\u5728\u77ac\u95f4\u5b8c\u6210\u3002\u53ea\u6709\u5728 gse_server \u7aef\u6ca1\u6709\u5f00\u901a\u9632\u706b\u5899\u7684\u60c5\u51b5\u4e0b\uff0c\u624d\u4f1a\u770b\u5230\u8be5\u72b6\u6001\u3002<\/li>\n\n\n\n
        3. \u5f53 gse_server \u6536\u5230\u6765\u81ea agent \u7684 SYN \u8bf7\u6c42\u540e\uff0c\u4f1a\u56de\u590d\u4e00\u4e2a\u00a0SYN+ACK<\/strong>\u00a0\u7684\u5e94\u7b54\uff0c\u5e76\u4e14\u7f51\u7edc\u72b6\u6001\u4f1a\u6539\u6210\u00a0SYN-RECV<\/strong>\u3002<\/li>\n\n\n\n
        4. gse_agent \u6536\u5230\u00a0SYN+ACK<\/strong>\u00a0\u4fe1\u53f7\u540e\uff0c\u7acb\u5373\u56de\u590d\u00a0ACK<\/strong>\u00a0\u7684\u5e94\u7b54\u5230 gse_server\u3002\u5f53 gse_server \u6536\u5230\u5e94\u7b54\u540e\uff0c\u5373\u5efa\u7acb\u8d77\u8fde\u63a5\uff0cnetstat<\/code>\u00a0\u72b6\u6001\u4e3a\u00a0ESTABLISHED<\/strong>\u3002<\/li>\n<\/ol>\n\n\n
          \n
          \"\"<\/div><\/figure>\n<\/div>\n\n\n
          \u516d \u7f51\u7edc\u8fde\u901a\u6027\u6d4b\u8bd5
          <\/h2>\n\n\n\n
          \u5f53\u6211\u4eec\u5145\u5206\u4e86\u89e3\u4e0a\u8ff0\u6240\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u540e\uff0c\u4fbf\u53ef\u4ee5\u8fdb\u4e00\u6b65\u6765\u7406\u89e3\u5982\u4f55\u53bb\u6d4b\u8bd5\u4e24\u4e2a\u670d\u52a1\u4e4b\u95f4\u7684\u7f51\u7edc\u8fde\u901a\u6027\u3002\u4ece\u4e0b\u5f80\u4e0a\uff1a<\/p>\n\n\n\n
            \n
          1. \u5728\u94fe\u8def\u5c42\uff1a\u4e24\u4e2a\u670d\u52a1\u5668\u4e4b\u95f4\u9700\u8981\u6709\u7269\u7406\u8bbe\u5907\u7684\u652f\u6491\uff0c\u5982\u7f51\u7ebf\u3001\u5149\u7ea4\u3001Wifi\u3001\u4ea4\u6362\u673a\u8def\u7531\u5668\u7b49\u7b49\uff0c\u4ee5\u53ca\u670d\u52a1\u5668\u7684\u7f51\u5361\u8bbe\u7f6e\u6709\u7279\u5b9a\u7684\uff0c\u552f\u4e00\u7684\u7269\u7406\u5730\u5740\uff0c\u5373 Mac \u5730\u5740\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\u4f01\u4e1a\u5185\u90e8\u90fd\u4f1a\u6709\u8fd9\u4e9b\u8bbe\u5907\u3002\u5982\u679c\u4e24\u4e2a\u670d\u52a1\u00a0(\u6216\u670d\u52a1\u5668)<\/em>\u00a0\u4e4b\u95f4\u65e0\u6cd5\u627e\u5230\u4efb\u4f55\u4e00\u4e2a\u7269\u7406\u8bbe\u5907\u53ef\u4ee5\u5efa\u7acb\u8fde\u63a5\u7684\uff0c\u8fd9\u79cd\u60c5\u51b5\u79f0\u4e3a\u00a0\u7269\u7406\u9694\u79bb<\/strong><\/li>\n\n\n\n
          2. \u5728\u7f51\u7edc\u5c42\uff1a\u4e24\u4e2a\u670d\u52a1\u00a0(\u6216\u670d\u52a1\u5668)<\/em>\u00a0\u4e4b\u95f4\u9700\u8981\u6709\u7528\u4e8e\u901a\u4fe1\u7684\u5730\u5740\u4fe1\u606f\uff0c\u5982 IP \u5730\u5740\uff0c\u5e76\u4e14\u4e24\u8005\u4e4b\u95f4\u529f\u80fd\u8fdb\u884c\u901a\u8baf\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u00a0ping<\/code>\u00a0\u5de5\u5177\u6765\u6d4b\u8bd5\u7f51\u7edc\u5c42\u662f\u5426\u80fd\u901a\u4fe1\u3002<\/li>\n<\/ol>\n\n\n\n
            ping 10.10.0.10\n<\/code><\/pre>\n\n\n\n
            \n
            \u6ce8\uff1aping \u6240\u4f7f\u7528\u7684\u534f\u8bae\u662f\u7f51\u7edc\u5c42\u7684 ICMP \u534f\u8bae\uff0cping \u4e0d\u901a\u4e5f\u5e76\u4e0d\u80fd\u4ee3\u8868\u4f20\u8f93\u5c42\u4e5f\u4e0d\u901a\uff0c\u4f46 ping \u4e00\u822c\u60c5\u51b5\u4e0b\u4f01\u4e1a\u5185\u90e8\u90fd\u4f1a\u5f00\u653e\u3002<\/p>\n<\/blockquote>\n\n\n\n
              \n
            1. \u5728\u4f20\u8f93\u5c42\uff1a\u4e24\u4e2a\u670d\u52a1\u00a0(\u6216\u670d\u52a1\u5668)<\/em>\u00a0\u4e4b\u95f4\u9700\u8981\u6709\u53ef\u4ee5\u7528\u4e8e\u901a\u8baf\u7528\u7684\u7aef\u53e3\uff0c\u4ee5\u53ca\u7aef\u53e3\u80fd\u8fde\u901a\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 telnet \u5de5\u5177\u8fdb\u884c\u6d4b\u8bd5\u4f20\u8f93\u5c42\u7684\u8fde\u901a\u6027\u3002<\/li>\n<\/ol>\n\n\n\n
              telnet 10.10.0.10 48668\n\n# \u8fd4\u56de\uff1a\n# Trying 10.10.0.10...\n# Connected to 10.10.0.10.\n# Escape character is '^]'.\n# Connection closed by foreign host.\n<\/code><\/pre>\n\n\n\n
              \n
              \u6ce8\uff1atelnet \u53ea\u80fd\u7528\u4e8e\u6d4b\u8bd5\u6709\u72b6\u6001\u7684 TCP \u8fde\u63a5\uff0c\u65e0\u72b6\u6001\u7684 UDP \u8fde\u63a5\u4e0d\u80fd\u4f7f\u7528 telnet \u8fdb\u884c\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u4f7f\u7528 nc \u547d\u4ee4\uff1a<\/p>\n\n\n\n
              nc -vuz 10.10.0.10 60020\n\n# \u8fd4\u56de\uff1a\n# Ncat: Version 7.50 ( https:\/\/nmap.org\/ncat )\n# Ncat: Connected to 10.11.25.11:60020.\n# Ncat: UDP packet sent successfully\n# Ncat: 1 bytes sent, 0 bytes received in 2.01 seconds.<\/code><\/pre>\n\n\n\n
              \u4f46\u662f\u7531\u4e8e UDP \u7684\u65e0\u72b6\u6001\uff0c\u4e0a\u8ff0\u7684\u6d4b\u8bd5\u53ef\u80fd\u4e5f\u4e0d\u4e00\u5b9a\u51c6\u786e\uff0c\u6709\u6761\u4ef6\u7684\u8bdd\u53ef\u4ee5\u4f7f\u7528 nc \u5148\u5728\u63a5\u6536\u65b9\u8fdb\u884c\u4fa6\u542c\u4e00\u4e2a UDP \u7aef\u53e3\uff0c\u7136\u540e\u5728\u53d1\u8d77\u65b9\u518d\u7528 nc \u547d\u4ee4\u53d1\u8d77\u4e00\u4e2a UDP \u8fde\u63a5\uff1a<\/p>\n\n\n\n
              # \u63a5\u6536\u65b9\uff1a\nnc -ulp 9090 # \u4fa6\u542c UDP 9090 \u7aef\u53e3\n\n# \u53d1\u8d77\u65b9\uff1a\necho \"hello\" |nc -vu 10.10.0.10 9090\n\n# \u6210\u529f\u540e\u5728\u63a5\u6536\u65b9\u5e94\u8be5\u80fd\u770b\u5230 hello \u4fe1\u606f\u7684\u8fd4\u56de\n# \u5373\u8868\u793a UDP \u662f\u901a\u7684\u3002<\/code><\/pre>\n<\/blockquote>\n\n\n\n
                \n
              1. \u6700\u540e\u8fd8\u6709\u4e00\u79cd\u60c5\u51b5\uff0c\u5c31\u662f\u53d1\u8d77\u65b9\u7684\u7cfb\u7edf\u7684\u968f\u673a\u7aef\u53e3\u5df2\u7ecf\u7528\u5b8c\uff0c\u5bfc\u81f4\u6ca1\u6709\u66f4\u591a\u7684\u968f\u673a\u7aef\u53e3\u7528\u4e8e\u53d1\u8d77\u65b0\u7684\u8fde\u63a5\u3002\u8fd9\u79cd\u4e00\u822c\u6bd4\u8f83\u7279\u6b8a\uff0c\u9ed8\u8ba4\u60c5\u51b5\u4e0b Linux \u7684\u968f\u673a\u7aef\u53e3\u662f\u00a032768-60999<\/code>\u00a0\uff0cWindows \u7684\u968f\u673a\u7aef\u53e3\u8303\u56f4\u662f\u00a049152-65535<\/code>\u3002
                <\/li>\n<\/ol>\n\n\n\n
                # Linux \u67e5\u770b\u968f\u673a\u7aef\u53e3\nsysctl net.ipv4.ip_local_port_range\n\n# Windows \u67e5\u770b\u968f\u673a\u7aef\u53e3\nnetsh int ipv4 show dynamicport tcp<\/code><\/pre>\n\n\n\n
                <\/p>\n\n\n\n
                \u4e03 \u7f51\u7edc\u6027\u80fd\u95ee\u9898<\/h2>\n\n\n\n
                \u7f51\u7edc\u7684\u6027\u80fd\u95ee\u9898\u4e3b\u8981\u770b\u4e09\u4e2a\u6307\u6807\uff1a\u4f20\u8f93\u901f\u7387\uff0c\u54cd\u5e94\u5ef6\u8fdf\uff0c\u4e22\u5305\u7387\u3002<\/p>\n\n\n\n
                7.1 ping
                <\/h3>\n\n\n\n
                \u5bf9\u4e8e\u54cd\u5e94\u5ef6\u8fdf\u548c\u4e22\u5305\u7387\u6765\u8bf4\uff0c\u6700\u7b80\u5355\u7684\u5de5\u5177\u5c31\u662f\u00a0ping<\/code>\u00a0\u5de5\u5177\uff1a<\/p>\n\n\n\n
                ping 10.10.0.10 -c 10\n\n# \u8fd4\u56de\uff1a\n# PING 10.10.0.10 (10.10.0.10) 56(84) bytes of data.\n# 64 bytes from 10.10.0.10: icmp_seq=1 ttl=60 time=4.04 ms\n# 64 bytes from 10.10.0.10: icmp_seq=2 ttl=60 time=4.32 ms\n# 64 bytes from 10.10.0.10: icmp_seq=3 ttl=60 time=4.38 ms\n# 64 bytes from 10.10.0.10: icmp_seq=4 ttl=60 time=4.68 ms\n# 64 bytes from 10.10.0.10: icmp_seq=5 ttl=60 time=4.02 ms\n# 64 bytes from 10.10.0.10: icmp_seq=6 ttl=60 time=4.15 ms\n# 64 bytes from 10.10.0.10: icmp_seq=7 ttl=60 time=4.36 ms\n# 64 bytes from 10.10.0.10: icmp_seq=8 ttl=60 time=4.42 ms\n# 64 bytes from 10.10.0.10: icmp_seq=9 ttl=60 time=4.10 ms\n# 64 bytes from 10.10.0.10: icmp_seq=10 ttl=60 time=3.76 ms\n# \n# --- 10.10.0.10 ping statistics ---\n# 10 packets transmitted, 10 received, 0% packet loss, time 9012ms\n# rtt min\/avg\/max\/mdev = 3.764\/4.228\/4.686\/0.248 ms<\/code><\/pre>\n\n\n\n
                \u4ece\u4e0a\u8ff0\u7684\u8fd4\u56de\u4e2d\uff0c\u53ef\u4ee5\u5f97\u5230\u7684\u7ed3\u679c\u6709\uff1a<\/p>\n\n\n\n
                  \n
                • \u4e22\u5305\u7387\u662f 0% :\u00a010 packets transmitted, 10 received, 0% packet loss, time 9012ms<\/code><\/li>\n\n\n\n
                • RTT \u54cd\u5e94\u65f6\u95f4\u5e73\u5747\u662f 4.228ms:\u00a0rtt min\/avg\/max\/mdev = 3.764\/4.228\/4.686\/0.248 ms<\/code><\/li>\n<\/ul>\n\n\n\n
                  \u8981\u6ce8\u610f\u7684\u4e3b\u8981\u662f RTT \u54cd\u5e94\u65f6\u95f4\uff0c\u867d\u7136\u5355\u4f4d\u662f ms\uff0c \u4f46\u662f\u5982\u679c\u5728\u6d4b\u8bd5\u8fc7\u7a0b\u4e2d\u6709\u51fa\u73b0 30ms \u6216\u8005 300ms \u4e4b\u7c7b\u7684\uff0c\u4e0e\u4e2a\u4f4d\u6570\u7684\u54cd\u5e94\u65f6\u95f4\u76f8\u6bd4\uff0c\u8fd9\u4e9b\u7684\u5ef6\u8fdf\u662f\u76f8\u5f53\u4e8e\u6162\u4e86 \u5341\u500d\u3001\u767e\u500d<\/strong>\uff0c\u5982\u679c\u8fd9\u79cd\u60c5\u51b5\u51fa\u73b0\u7684\u9891\u7387\u5f88\u9ad8\uff0c\u9700\u8981\u68c0\u67e5\u4e24\u8005\u4e4b\u95f4\u7684\u7f51\u7edc\u662f\u5426\u6709\u5f88\u5927\u7684\u6ce2\u52a8\u3002<\/p>\n\n\n\n
                  # 64 bytes from 10.10.0.10: icmp_seq=1 ttl=60 time=4.04 ms\n# 64 bytes from 10.10.0.10: icmp_seq=2 ttl=60 time=4.32 ms\n# 64 bytes from 10.10.0.10: icmp_seq=3 ttl=60 time=4.38 ms\n# 64 bytes from 10.10.0.10: icmp_seq=4 ttl=60 time=4.68 ms\n# 64 bytes from 10.10.0.10: icmp_seq=5 ttl=60 time=34.02 ms\n# 64 bytes from 10.10.0.10: icmp_seq=6 ttl=60 time=4.15 ms\n# 64 bytes from 10.10.0.10: icmp_seq=7 ttl=60 time=4.36 ms\n# 64 bytes from 10.10.0.10: icmp_seq=8 ttl=60 time=203.42 ms\n# 64 bytes from 10.10.0.10: icmp_seq=9 ttl=60 time=4.10 ms\n# 64 bytes from 10.10.0.10: icmp_seq=10 ttl=60 time=3.76 ms<\/code><\/pre>\n\n\n\n
                  7.2 mtr
                  <\/h3>\n\n\n\n
                  mtr \u662f\u4e00\u4e2a\u53ef\u4ee5\u7ed3\u5408 ping, nslookup, tracert \u6765\u8fdb\u884c\u5224\u65ad\u7f51\u7edc\u7684\u5de5\u5177\uff0c\u53ef\u4ee5\u540c\u662f\u8fdb\u884c\u6536\u96c6\u6d4b\u8bd5\u8fde\u63a5\u72b6\u6001\uff0c\u53ef\u7528\u6027\u7b49\u3002<\/p>\n\n\n\n
                  # \u76f4\u63a5\u4f7f\u7528 mtr \u8fdb\u884c\u6d4b\u8bd5\u5230 gse \u7684\u7f51\u7edc \nmtr 10.10.0.10 -r -c 10\n# -r \u8868\u793a\u8fd4\u56de\u62a5\u544a\n# -c 10 \u8868\u793a\u6d4b\u8bd5\u7684\u6b21\u6570\n\n# \u8fd4\u56de\uff1a\n# HOST: server1                Loss%   Snt   Last   Avg   Best  Wrst  StDev\n#   1.|-- server1              0.0%    10    2004.  1723. 203.4 2005. 620.5<\/code><\/pre>\n\n\n\n
                  \n
                  mtr \u62a5\u544a\u7684\u6bcf\u5217\u7684\u610f\u601d\uff1a<\/p>\n\n\n\n
                    \n
                  • \u7b2c\u4e00\u5217\uff1aHOST<\/code>\uff0c\u663e\u793aIP\u5730\u5740\u6216\u8005\u4e3b\u673a\u540d\u3002<\/li>\n\n\n\n
                  • \u7b2c\u4e8c\u5217\uff1aLoss%<\/code>\uff0c\u8fd9\u4e2a\u7ed3\u70b9\u7684\u4e22\u5305\u7387\u3002<\/li>\n\n\n\n
                  • \u7b2c\u4e09\u5217\uff1aSnt<\/code>\uff0c\u53d1\u9001\u5305\u7684\u6570\u91cf\u3002<\/li>\n\n\n\n
                  • \u7b2c\u56db\u5217\uff1aLast<\/code>\uff0c\u6700\u8fd1\u4e00\u6b21\u7684\u5ef6\u65f6\uff0c\u5355\u4f4d\u662f\u6beb\u79d2ms\u3002<\/li>\n\n\n\n
                  • \u7b2c\u4e94\u5217\uff1aAvg<\/code>\uff0c\u5e73\u5747\u5ef6\u65f6\uff0c\u5355\u4f4d\u662f\u6beb\u79d2ms\u3002<\/li>\n\n\n\n
                  • \u7b2c\u516d\u5217\uff1aBest<\/code>\uff0c\u6700\u4f4e\u5ef6\u65f6\uff0c\u5355\u4f4d\u662f\u6beb\u79d2ms\u3002<\/li>\n\n\n\n
                  • \u7b2c\u4e03\u5217\uff1aWrst<\/code>\uff0c\u6700\u9ad8\u5ef6\u65f6\uff0c\u5355\u4f4d\u662f\u6beb\u79d2ms\u3002<\/li>\n\n\n\n
                  • \u7b2c\u516b\u5217\uff1aStDev<\/code>\uff0c\u6807\u51c6\u5dee\u3002<\/li>\n<\/ul>\n\n\n\n
                    \u62a5\u544a\u4e00\u822c\u770b\u4e09\u4e2a\uff1aLoss%<\/code> \u3001\u5ef6\u65f6 \u548c \u6807\u51c6\u5dee\uff1a<\/p>\n\n\n\n
                      \n
                    • Loss \u8868\u793a\u5f53\u524d\u4e3b\u673a\u5230 gse \u670d\u52a1\u5668\u7684\u4e22\u5305\u7387\u662f\u591a\u5c11\uff0c\u6b63\u5e38\u6765\u8bf4\u4e0d\u5e94\u8be5\u6709\u51fa\u73b0\u4e22\u5305\u3002<\/li>\n\n\n\n
                    • \u5ef6\u65f6\u4e00\u822c\u4f1a\u5173\u6ce8\u5e73\u5747\u5ef6\u65f6\u662f\u591a\u5c11\uff0c1-30ms \u662f\u6781\u5feb\uff0c31-50ms \u662f\u826f\u597d\uff0c 50-100ms \u662f\u666e\u901a\uff0c>100m \u662f\u5dee<\/li>\n\n\n\n
                    • \u6807\u51c6\u5dee\u662f\u53cd\u9988\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\uff0c\u6570\u503c\u8d8a\u5927\uff0c\u7f51\u7edc\u7684\u7a33\u5b9a\u6027\u8d8a\u5dee<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n
                      7.3 netstat
                      <\/h3>\n\n\n\n
                      netstat \u4e3b\u8981\u662f\u67e5\u770b\u4e3b\u673a\u7684\u8fde\u63a5\u72b6\u6001\uff0c\u4ee5\u53ca\u7f51\u7edc\u6536\u53d1\u961f\u5217\u662f\u5426\u6709\u95ee\u9898\u3002
                      \u5e38\u7528\u7684\u547d\u4ee4\u6709\uff1a<\/p>\n\n\n\n
                      # \u7edf\u8ba1\u7f51\u7edc\u72b6\u6001\nnetstat -n | awk '\/^tcp\/ {++state[$NF]} END {for(key in state) print key,\"\\t\",state[key]}'<\/code><\/pre>\n\n\n\n
                      \n
                      \u6ce8\uff1a<\/p>\n\n\n\n
                        \n
                      • CLOSED\uff1a\u65e0\u8fde\u63a5\u662f\u6d3b\u52a8\u7684\u6216\u6b63\u5728\u8fdb\u884c<\/li>\n\n\n\n
                      • LISTEN\uff1a\u670d\u52a1\u5668\u5728\u7b49\u5f85\u8fdb\u5165\u547c\u53eb<\/li>\n\n\n\n
                      • SYN_RECV\uff1a\u4e00\u4e2a\u8fde\u63a5\u8bf7\u6c42\u5df2\u7ecf\u5230\u8fbe\uff0c\u7b49\u5f85\u786e\u8ba4<\/li>\n\n\n\n
                      • SYN_SENT\uff1a\u5e94\u7528\u5df2\u7ecf\u5f00\u59cb\uff0c\u6253\u5f00\u4e00\u4e2a\u8fde\u63a5<\/li>\n\n\n\n
                      • ESTABLISHED\uff1a\u6b63\u5e38\u6570\u636e\u4f20\u8f93\u72b6\u6001<\/li>\n\n\n\n
                      • FIN_WAIT1\uff1a\u5e94\u7528\u8bf4\u5b83\u5df2\u7ecf\u5b8c\u6210<\/li>\n\n\n\n
                      • FIN_WAIT2\uff1a\u53e6\u4e00\u8fb9\u5df2\u540c\u610f\u91ca\u653e<\/li>\n\n\n\n
                      • ITMED_WAIT\uff1a\u7b49\u5f85\u6240\u6709\u5206\u7ec4\u6b7b\u6389<\/li>\n\n\n\n
                      • CLOSING\uff1a\u4e24\u8fb9\u540c\u65f6\u5c1d\u8bd5\u5173\u95ed<\/li>\n\n\n\n
                      • TIME_WAIT\uff1a\u53e6\u4e00\u8fb9\u5df2\u521d\u59cb\u5316\u4e00\u4e2a\u91ca\u653e<\/li>\n\n\n\n
                      • LAST_ACK\uff1a\u7b49\u5f85\u6240\u6709\u5206\u7ec4\u6b7b\u6389<\/li>\n<\/ul>\n<\/blockquote>\n\n\n\n
                        # \u68c0\u67e5 TCP \u6536\u53d1\u961f\u5217\nnetstat -nap |grep -w ESTABLISHED  |grep -v 'tcp        0      0'\n# \u8fd4\u56de\u7684\u7b2c\u4e8c\u5217\u662f Recv-Q \u63a5\u6536\u961f\u5217\uff0c\u7b2c\u4e09\u5217\u662f Send-Q \u53d1\u9001\u961f\u5217<\/code><\/pre>\n\n\n\n
                        \u6b63\u5e38\u60c5\u51b5\u4e0b\u8fd9\u4e24\u4e2a\u961f\u5217\u90fd\u5e94\u8be5\u662f\u52a8\u6001\u6e05\u96f6\uff0c\u5982\u679c\u5b58\u5728\u5927\u91cf\u7684\u6570\u503c\uff0c\u5c31\u6709\u53ef\u80fd\u662f\u7f51\u7edc\u8d28\u91cf\u5b58\u5728\u95ee\u9898\uff0c\u6216\u8005\u662f\u5bf9\u5e94\u7684\u5e94\u7528\u65e0\u6cd5\u5feb\u901f\u8fdb\u884c\u5904\u7406\u8bf7\u6c42\u3002
                        <\/p>\n\n\n\n
                        \u516b \u6293\u5305\u5206\u6790
                        <\/h2>\n\n\n\n
                        \u5e38\u7528\u7684\u6293\u5305\u5de5\u5177\u6709\uff1a Linux \u7684 tcpdump<\/code>\uff0c Windows \u7684 Wireshark<\/code>\u3002<\/p>\n\n\n\n
                        # \u4e00\u822c\u5e38\u7528\u7684\u6293\u5305\u547d\u4ee4\u5982\u4e0b\n\n# \u6293\u53d6 tcp 48668 \u548c 58625 \u7aef\u53e3\u7684\u5305\uff0c\u542b\u6536\u53d1\u52a8\u4f5c\u3002\ntcpdump \\\n  -i any \\\n  -nn \\\n  -XX \\\n  -vvv \\\n  -s0 \\\n  '(tcp port 48668) or (tcp port 58625)' \\\n  -w tcpdump.cap<\/code><\/pre>\n\n\n\n
                        \u6293\u53d6\u7684\u5305\u4e00\u822c\u4f1a\u4f7f\u7528 Wireshark \u8fdb\u884c\u5206\u6790\uff0c\u8fd9\u91cc\u5c31\u4e0d\u5c55\u5f00\u8fdb\u884c\u5206\u6790\uff0c\u6709\u9700\u8981\u7684\u53ef\u4ee5\u53c2\u9605\uff1a<\/p>\n\n\n\n
                          \n
                        • \u300aWireshark\u7f51\u7edc\u5206\u6790\u5c31\u8fd9\u4e48\u7b80\u5355-\u6797\u6c9b\u6ee1\u300b<\/li>\n\n\n\n
                        • \u300aWireshark\u7f51\u7edc\u5206\u6790\u7684\u827a\u672f-\u6797\u6c9b\u6ee1\u300b<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
                          \u6ce8\uff1a\u8ba1\u7b97\u673a\u7f51\u7edc\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u5b66\u79d1\uff0c\u4e0d\u662f\u4e09\u8a00\u4e24\u8bed\u3001\u4e00\u7bc7\u6587\u7ae0\u5c31\u80fd\u8bf4\u6e05\u695a\u7684\uff0c\u8fd9\u91cc\u53ea\u662f\u7b80\u5355\u666e\u53ca\u4e00\u4e0b\u57fa\u7840\u77e5\u8bc6\uff0c\u4ee5\u53ca\u8fd0\u7ef4\u5e38\u7528 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-115","post","type-post","status-publish","format-standard","hentry","category-linux"],"_links":{"self":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/115","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=115"}],"version-history":[{"count":12,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/115\/revisions"}],"predecessor-version":[{"id":135,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=\/wp\/v2\/posts\/115\/revisions\/135"}],"wp:attachment":[{"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sretalk.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}