{"id":4905,"date":"2024-04-06T14:53:56","date_gmt":"2024-04-06T06:53:56","guid":{"rendered":"https:\/\/www.xinyixx.com\/?p=4905"},"modified":"2024-04-06T15:05:28","modified_gmt":"2024-04-06T07:05:28","slug":"ppp","status":"publish","type":"post","link":"https:\/\/www.xinyixx.com\/index.php\/2024\/04\/06\/ppp\/","title":{"rendered":"\u3010\u7f51\u7edc\u534f\u8bae\u8be6\u89e3\u3011\u2014\u2014PPP\u534f\u8bae"},"content":{"rendered":"<p>\u76ee\u5f55<br>\ud83d\udd52 1. PPP\u534f\u8bae<br>    \ud83d\udd58 1.1 \u6982\u8ff0<br>    \ud83d\udd58 1.2 \u7ec4\u6210<br>        \ud83d\udd64 1.2.1 \u5e27\u683c\u5f0f<br>        \ud83d\udd64 1.2.2 \u900f\u660e\u4f20\u8f93<br>        \ud83d\udd64 1.2.3 \u5dee\u9519\u68c0\u6d4b<br>    \ud83d\udd58 1.3 \u5de5\u4f5c\u6d41\u7a0b<br>\ud83d\udd52 2. LCP\u534f\u8bae<br>    \ud83d\udd58 2.1 \u6982\u8ff0<br>    \ud83d\udd58 2.2 \u62a5\u6587\u683c\u5f0f<br>    \ud83d\udd58 2.3 \u62a5\u6587\u79cd\u7c7b<br>        \ud83d\udd64 2.3.1 \u94fe\u8def\u914d\u7f6e\u62a5\u6587<br>        \ud83d\udd64 2.3.2 \u94fe\u8def\u7ec8\u6b62\u62a5\u6587<br>        \ud83d\udd64 2.3.3 \u94fe\u8def\u7ef4\u62a4\u62a5\u6587<br>    \ud83d\udd58 2.4 \u5de5\u4f5c\u8fc7\u7a0b<br>        \ud83d\udd64 2.4.1 \u94fe\u8def\u5efa\u7acb\u548c\u914d\u7f6e\u6d41\u7a0b<br>        \ud83d\udd64 2.4.2 \u94fe\u8def\u7ec8\u6b62\u6d41\u7a0b<br>        \ud83d\udd64 2.4.3 \u94fe\u8def\u7ef4\u62a4\u6d41\u7a0b<br>\ud83d\udd52 3. NCP\u534f\u8bae<br>    \ud83d\udd58 3.1 \u6982\u8ff0<br>    \ud83d\udd58 3.2 IPCP\u534f\u8bae<br>        \ud83d\udd64 3.2.1 \u6982\u8ff0<br>        \ud83d\udd64 3.2.2 \u62a5\u6587\u7684\u683c\u5f0f<br>        \ud83d\udd64 3.2.3 \u914d\u7f6e\u9009\u9879<br>\ud83d\udd52 4. \u8ba4\u8bc1<br>    \ud83d\udd58 4.1 PAP\u534f\u8bae<br>        \ud83d\udd64 4.1.1 \u6982\u8ff0<br>        \ud83d\udd64 4.1.2 \u8ba4\u8bc1\u6d41\u7a0b<br>        \ud83d\udd64 4.1.3 \u62a5\u6587\u683c\u5f0f<br>    \ud83d\udd58 4.2 CHAP\u534f\u8bae<br>        \ud83d\udd64 4.2.1 \u6982\u8ff0<br>        \ud83d\udd64 4.2.2 \u8ba4\u8bc1\u6d41\u7a0b<br>        \ud83d\udd64 4.2.3 \u62a5\u6587\u683c\u5f0f<br>\ud83d\udd52 5. \u5b9e\u9a8c<\/p>\n\n\n\n<p><br>\ud83d\udd52 1. PPP\u534f\u8bae<br>    \ud83d\udd58 1.1 \u6982\u8ff0<br>\u7528\u6237\u8ba1\u7b97\u673a\u4e0eISP\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u6240\u4f7f\u7528\u7684\u6570\u636e\u94fe\u8def\u5c42\u534f\u8bae\u901a\u5e38\u5c31\u662f\u70b9\u5bf9\u70b9\u534f\u8baePPP\uff08Point-to-Point Protocol\uff09\u3002PPP\u534f\u8bae\u662f\u76ee\u524d\u4f7f\u7528\u6700\u5e7f\u6cdb\u7684\u70b9\u5bf9\u70b9\u6570\u636e\u94fe\u8def\u5c42\u534f\u8bae\uff0c\u4e5f\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5e7f\u57df\u7f51\u8def\u7531\u5668\u4e4b\u95f4\u7684\u4e13\u7528\u7ebf\u8def\u3002<\/p>\n\n\n\n<p>\u57281999\u5e74\u516c\u5e03\u7684\u5728\u4ee5\u592a\u7f51\u4e0a\u8fd0\u884c\u7684PPPoE\u534f\u8bae\uff0c\u5b83\u4f7f\u5f97lSP\u53ef\u4ee5\u901a\u8fc7ADSL\u3001\u7535\u8def\u8c03\u5236\u89e3\u8c03\u5668\u3001\u4ee5\u592a\u7f51\u7b49\u5bbd\u5e26\u63a5\u5165\u6280\u672f\u4ee5\u592a\u7f51\u63a5\u53e3\u7684\u5f62\u5f0f\u4e3a\u7528\u6237\u63d0\u4f9b\u63a5\u5165\u670d\u52a1\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"855\" height=\"223\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-17.png\" alt class=\"wp-image-4906\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17.png 855w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17-300x78.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17-768x200.png 768w\" sizes=\"(max-width: 855px) 100vw, 855px\"><\/noscript><img decoding=\"async\" width=\"855\" height=\"223\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20223%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4906 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20855%20223%22%3E%3C%2Fsvg%3E 855w\" sizes=\"(max-width: 855px) 100vw, 855px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17.png 855w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17-300x78.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-17-768x200.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-17.png\"><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>PPP\uff08Point-to-Point Protocol\uff09\u548cPPPoE\uff08Point-to-Point Protocol over Ethernet\uff09\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u534f\u8bae\u3002<br>PPP \u662f\u4e00\u79cd\u7528\u4e8e\u5728\u4e24\u4e2a\u70b9\u4e4b\u95f4\u8fdb\u884c\u901a\u4fe1\u7684\u534f\u8bae\uff0c\u5e38\u7528\u4e8e dial-up \u7f51\u7edc\u548c VPN \u8fde\u63a5\u3002PPP \u534f\u8bae\u63d0\u4f9b\u4e86\u591a\u79cd\u529f\u80fd\uff0c\u5305\u62ec\u8eab\u4efd\u9a8c\u8bc1\u3001\u6570\u636e\u538b\u7f29\u548c\u52a0\u5bc6\u7b49\uff0c\u4f46\u662f\u5b83\u4e0d\u63d0\u4f9b\u8def\u7531\u529f\u80fd\u3002<br>PPPoE \u5219\u662f\u4e00\u79cd\u5728\u4ee5\u592a\u7f51\u4e0a\u8fd0\u884c PPP \u7684\u534f\u8bae\u3002\u5b83\u4f7f\u7528\u4e86\u4ee5\u592a\u7f51\u5e27\u6765\u5c01\u88c5 PPP \u6570\u636e\u5305\uff0c\u5e76\u4f7f\u7528\u4e00\u79cd\u7279\u6b8a\u7684\u670d\u52a1\u5668\/\u5ba2\u6237\u7aef\u6a21\u578b\u6765\u7ba1\u7406 PPP \u8fde\u63a5\u3002PPPoE \u5e38\u7528\u4e8e ADSL\u3001\u5149\u7ea4\u5bbd\u5e26\u7b49\u62e8\u53f7\u4e0a\u7f51\u65b9\u5f0f\uff0c\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5c0f\u533a\u5bbd\u5e26\u7f51\u7edc\u4e2d\u3002<br>\u56e0\u6b64\uff0cPPPoE \u53ef\u4ee5\u770b\u4f5c\u662f\u5728\u4ee5\u592a\u7f51\u4e0a\u8fd0\u884c PPP \u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u800c PPP \u5219\u662f\u4e00\u79cd\u901a\u7528\u7684\u534f\u8bae\uff0c\u4e0d\u4ec5\u53ef\u4ee5\u5728\u4ee5\u592a\u7f51\u4e0a\u8fd0\u884c\uff0c\u4e5f\u53ef\u4ee5\u5728\u5176\u4ed6\u7c7b\u578b\u7684\u7f51\u7edc\u4e0a\u8fd0\u884c\u3002<\/p>\n<\/blockquote>\n\n\n\n<p>PPP\u4e3a\u70b9\u5bf9\u70b9\u8fde\u63a5\u4e0a\u4f20\u8f93\u591a\u79cd\u534f\u8bae\u7684\u6570\u636e\u5305\u63d0\u4f9b\u4e86\u4e00\u79cd\u6807\u51c6\u7684\u65b9\u6cd5\uff0c\u5176\u6700\u521d\u7684\u8bbe\u8ba1\u76ee\u7684\uff0c\u662f\u4e3a\u4e24\u4e2a\u5bf9\u7b49\u7ed3\u70b9\u4e4b\u95f4\u7684IP\u4f20\u8f93\u63d0\u4f9b\u4e00\u79cd\u5c01\u88c5\u534f\u8bae\uff0c\u9664\u4e86IP\u4ee5\u5916\uff0cPPP\u8fd8\u53ef\u4ee5\u5c01\u88c5\u5176\u5b83\u534f\u8bae\uff0c\u5305\u62ecNovell\u7684IPX\u534f\u8bae\uff08Internetwork Packet Exchange\uff0c\u7f51\u95f4\u5206\u7ec4\u4ea4\u6362\uff09\u7b49\u3002<\/p>\n\n\n\n<p>    \ud83d\udd58 1.2 \u7ec4\u6210<br>PPP\u534f\u8bae\u4e3a\u5728\u70b9\u5bf9\u70b9\u94fe\u8def\u4f20\u8f93\u5404\u79cd\u534f\u8bae\u6570\u636e\u62a5\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6807\u51c6\u65b9\u6cd5\uff0c\u4e3b\u8981\u7531\u4ee5\u4e0b\u4e09\u90e8\u5206\u6784\u6210\uff1a<\/p>\n\n\n\n<p>\u5bf9\u5404\u79cd\u534f\u8bae\u6570\u636e\u62a5\u7684\u5c01\u88c5\u65b9\u6cd5\uff08\u5c01\u88c5\u6210\u5e27\uff09<br>\u94fe\u8def\u63a7\u5236\u534f\u8baeLCP \u7528\u4e8e\u5efa\u7acb\u3001\u914d\u7f6e\u4ee5\u53ca\u6d4b\u8bd5\u6570\u636e\u94fe\u8def\u7684\u8fde\u63a5<br>\u4e00\u5957\u7f51\u7edc\u63a7\u5236\u534f\u8baeNCPs \u5176\u4e2d\u7684\u6bcf\u4e00\u4e2a\u534f\u8bae\u652f\u6301\u4e0d\u540c\u7684\u7f51\u7edc\u5c42\u534f\u8bae<\/p>\n\n\n\n<figure class=\"wp-block-image\"><noscript><img decoding=\"async\" src=\"blob:http:\/\/101.42.96.217:21080\/44e9706e-c541-40b2-b3a1-bc86bfdfef8a\" alt><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt data-src=\"blob:http:\/\/101.42.96.217:21080\/44e9706e-c541-40b2-b3a1-bc86bfdfef8a\" class=\" lazyload\"><\/figure>\n\n\n\n<p>\ud83d\udd64 1.2.1 \u5e27\u683c\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"996\" height=\"151\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-23.png\" alt class=\"wp-image-4912\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23.png 996w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23-300x45.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23-768x116.png 768w\" sizes=\"(max-width: 996px) 100vw, 996px\"><\/noscript><img decoding=\"async\" width=\"996\" height=\"151\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20996%20151%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4912 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20996%20151%22%3E%3C%2Fsvg%3E 996w\" sizes=\"(max-width: 996px) 100vw, 996px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23.png 996w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23-300x45.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-23-768x116.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-23.png\"><\/figure>\n\n\n\n<p>Flag\u5b57\u6bb5\u4e3a\u5e27\u5b9a\u754c\u6807\u5fd7\uff0c\u7528\u6765\u6807\u8bc6PPP\u5e27\u7684\u5f00\u59cb\u4e0e\u7ed3\u675f\uff0c\u957f\u5ea6\u4e3a1\u5b57\u8282\uff0c\u53d6\u503c\u56fa\u5b9a\u4e3a0x7E\u3002<br>Address\u5b57\u6bb5\u4e3a\u5730\u5740\u5b57\u6bb5\uff0c\u7528\u6765\u6807\u8bc6\u63a5\u6536\u65b9\u7684\u5730\u5740\uff0c\u957f\u5ea6\u4e3a1\u5b57\u8282\uff0c\u7531\u4e8e\u70b9\u5230\u70b9\u94fe\u8def\u7684\u63a5\u6536\u65b9\u662f\u552f\u4e00\u7684\uff0c\u6545\u6b64\u5b57\u6bb5\u53d6\u503c\u56fa\u5b9a\u4e3a0xFF\uff0c\u8868\u793a\u53ea\u6709\u5bf9\u7aef\u624d\u80fd\u63a5\u53d7\u5230\u6570\u636e\u3002<br>Control\u5b57\u6bb5\u4e3a\u63a7\u5236\u5b57\u6bb5\uff0c\u957f\u5ea6\u4e3a1\u5b57\u8282\uff0c\u53d6\u503c\u56fa\u5b9a\u4e3a0x03\uff0c\u8868\u793a\u65e0\u5e8f\u53f7\u4fe1\u606f\uff08Unnumbered Information\uff09\u3002<br>Protocol\u5b57\u6bb5\u4e3a\u534f\u8bae\u5b57\u6bb5\uff0c\u7528\u6765\u6807\u8bc6PPP\u5e27\u5c01\u88c5\u7684\u534f\u8bae\u6570\u636e\u7c7b\u578b\uff0c\u957f\u5ea6\u4e3a2\u5b57\u8282\u3002\u6b64\u5b57\u6bb5\u4f7fPPP\u5f97\u4ee5\u5c01\u88c5\u4e0d\u540c\u7684\u534f\u8bae\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"899\" height=\"406\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-28.png\" alt class=\"wp-image-4917\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28.png 899w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28-300x135.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28-768x347.png 768w\" sizes=\"(max-width: 899px) 100vw, 899px\"><\/noscript><img decoding=\"async\" width=\"899\" height=\"406\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20899%20406%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4917 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20899%20406%22%3E%3C%2Fsvg%3E 899w\" sizes=\"(max-width: 899px) 100vw, 899px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28.png 899w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28-300x135.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-28-768x347.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-28.png\"><\/figure>\n\n\n\n<p><br>Information\u5b57\u6bb5\u4e3a\u4fe1\u606f\u5b57\u6bb5\uff0c\u8be5\u5b57\u6bb5\u957f\u5ea6\u4e0d\u56fa\u5b9a\uff0c\u6700\u5927\u957f\u5ea6\u7b49\u4e8eMRU\uff08Maximum Receive Unit\uff09\u503c\uff0c\u9ed8\u8ba4\u4e3a1500\u5b57\u8282\u3002\u6b64\u5b57\u6bb5\u5b58\u653e\u627f\u8f7d\u7684\u534f\u8bae\u6570\u636e\uff0c\u5305\u62ecLCP\u3001NCP\u7b49\u3002<br>FCS\uff08Frame Checksum\uff09\u5b57\u6bb5\u4e3a\u5e27\u6821\u9a8c\u548c\u5b57\u6bb5\uff0c\u7528\u6765\u68c0\u6d4bPPP\u5e27\u7684\u5b8c\u6574\u6027\uff08CRC\u8ba1\u7b97\uff09\uff0c\u957f\u5ea6\u4e3a2\u5b57\u8282\u3002<br>\ud83d\udd64 1.2.2 \u900f\u660e\u4f20\u8f93<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><noscript><img decoding=\"async\" width=\"1024\" height=\"342\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-22-1024x342.png\" alt class=\"wp-image-4911\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-1024x342.png 1024w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-300x100.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-768x256.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22.png 1061w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" width=\"1024\" height=\"342\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20342%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4911 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20342%22%3E%3C%2Fsvg%3E 1024w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-1024x342.png 1024w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-300x100.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22-768x256.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-22.png 1061w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-22-1024x342.png\"><\/figure>\n\n\n\n<p>\u5b57\u8282\u586b\u5145\uff1a\u9762\u5411\u5b57\u8282\u7684\u5f02\u6b65\u94fe\u8def\u91c7\u7528\u63d2\u5165\u8f6c\u4e49\u5b57\u7b26\u7684\u5b57\u8282\u586b\u5145\u6cd5\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"852\" height=\"129\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-21.png\" alt class=\"wp-image-4910\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21.png 852w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21-300x45.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21-768x116.png 768w\" sizes=\"(max-width: 852px) 100vw, 852px\"><\/noscript><img decoding=\"async\" width=\"852\" height=\"129\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20852%20129%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4910 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20852%20129%22%3E%3C%2Fsvg%3E 852w\" sizes=\"(max-width: 852px) 100vw, 852px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21.png 852w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21-300x45.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-21-768x116.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-21.png\"><\/figure>\n\n\n\n<p>\u53d1\u9001\u65b9\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5982PPP\u5e27\u7684\u6807\u5fd7\u5b57\u6bb5\u53d6\u503c\u4e3a7E\uff0816\u8fdb\u5236\uff09\uff0c\u5982\u679c\u6570\u636e\u4e2d\u51fa\u73b07E\u5219\u9700\u8981\u5728\u6570\u636e\u524d\u63d2\u5165\u8f6c\u4e49\u5b57\u7b267D\uff0816\u8fdb\u5236\uff09\uff0c\u5e76\u5c06\u539f\u6765\u76847E\u51cf20\uff0816\u8fdb\u5236\uff09\uff0c\u6240\u4ee57E\u5728\u6570\u636e\u4e2d\u6700\u7ec8\u4f1a\u53d8\u62107D,5E<\/li>\n\n\n\n<li>\u5982\u679c\u6570\u636e\u4e2d\u6709\u8f6c\u4e49\u5b57\u7b267D\u600e\u4e48\u529e\u5462\uff1f\u53ef\u4ee5\u5728\u8f6c\u4e49\u5b57\u7b267D\u524d\u518d\u52a0\u4e00\u4e2a\u8f6c\u4e49\u5b57\u7b267D\uff0c\u5e76\u5c06\u6570\u636e\u76847D\u51cf20\uff0816\u8fdb\u5236\uff09\uff0c\u4e8e\u662f\u8f6c\u4e49\u5b57\u7b267D\u5728\u6570\u636e\u4e2d\u6700\u7ec8\u4f1a\u53d8\u62107D,5D<\/li>\n\n\n\n<li>\u6570\u636e\u4e2d\u51fa\u73b0\u7684\u6bcf\u4e00\u4e2aASCII\u7801\u63a7\u5236\u5b57\u7b26\uff08\u6570\u503c\u5c0f\u4e8e0x20\u7684\u5b57\u7b26\uff09\uff0c\u5219\u5728\u8be5\u5b57\u7b26\u524d\u9762\u63d2\u5165\u4e00\u4e2a7D\u5b57\u8282\uff0c\u540c\u65f6\u5c06\u8be5\u5b57\u7b26\u7684\u7f16\u7801\u52a0\u4e0a0x20\u3002<\/li>\n\n\n\n<li>\u63a5\u6536\u65b9\uff1a\u8fdb\u884c\u53cd\u53d8\u6362\u5373\u53ef\u6062\u590d\u51fa\u539f\u6765\u7684\u5e27\u7684\u6570\u636e\u90e8\u5206\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u96f6\u586b\u5145\uff1a\u9762\u5411\u6bd4\u7279\u7684\u540c\u6b65\u94fe\u8def\u91c7\u7528\u63d2\u5165\u6bd4\u72790\u7684\u6bd4\u7279\u586b\u5145\u6cd5\u3002<\/p>\n\n\n\n<p>\u53d1\u9001\u65b9\uff1a\u5bf9\u5e27\u7684\u6570\u636e\u90e8\u5206\u8fdb\u884c\u626b\u63cf\uff08\u4e00\u822c\u7531\u786c\u4ef6\u5b9e\u73b0\uff09\u3002\u53ea\u8981\u53d1\u73b05\u4e2a\u8fde\u7eed\u7684\u6bd4\u72791\uff0c\u5219\u7acb\u5373\u586b\u51451\u4e2a\u6bd4\u72790\u3002<\/p>\n\n\n\n<p>\u63a5\u6536\u65b9\uff1a\u5bf9\u5e27\u7684\u6570\u636e\u90e8\u5206\u8fdb\u884c\u626b\u63cf\uff08\u4e00\u822c\u7531\u786c\u4ef6\u5b9e\u73b0\uff09\u3002\u53ea\u8981\u53d1\u73b05\u4e2a\u8fde\u7eed\u7684\u6bd4\u72791\uff0c\u5c31\u628a\u5176\u540e\u76841\u4e2a\u6bd4\u72790\u5220\u9664\u3002<\/p>\n\n\n\n<p>\ud83d\udd64 1.2.3 \u5dee\u9519\u68c0\u6d4b<\/p>\n\n\n\n<p>\u63a5\u6536\u65b9\u6bcf\u6536\u5230\u4e00\u4e2aPPP\u5e27\uff0c\u5c31\u8fdb\u884cCRC\u68c0\u9a8c\uff08\u591a\u9879\u5f0f\uff09\u3002\u82e5CRC\u68c0\u9a8c\u6b63\u786e\uff0c\u5c31\u6536\u4e0b\u8fd9\u4e2a\u5e27\uff1b\u53cd\u4e4b\u5c31\u4e22\u5f03\u8fd9\u4e2a\u5e27\uff08\u4e0d\u53ef\u9760\u4f20\u8f93\u670d\u52a1\uff09\u3002\u68c0\u9a8c\u7531\u5c3e\u90e8\u7684FCS\u5b9e\u73b0<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"463\" height=\"88\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-24.png\" alt class=\"wp-image-4913\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-24.png 463w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-24-300x57.png 300w\" sizes=\"(max-width: 463px) 100vw, 463px\"><\/noscript><img decoding=\"async\" width=\"463\" height=\"88\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20463%2088%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4913 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20463%2088%22%3E%3C%2Fsvg%3E 463w\" sizes=\"(max-width: 463px) 100vw, 463px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-24.png 463w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-24-300x57.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-24.png\"><\/figure>\n\n\n\n<p>\u4f7f\u7528PPP\u7684\u6570\u636e\u94fe\u8def\u5c42\uff0c\u5411\u4e0a\u63d0\u4f9b\u7684\u662f\u4e0d\u53ef\u9760\u6570\u636e\u4f20\u8f93\u670d\u52a1\u3002<\/p>\n\n\n\n<p>\ud83d\udd58 1.3 \u5de5\u4f5c\u6d41\u7a0b<br>\u5728\u5efa\u7acb\u3001\u4fdd\u6301\u548c\u7ec8\u6b62PPP\u94fe\u8def\u7684\u8fc7\u7a0b\u4e2d\uff0cPPP\u94fe\u8def\u9700\u8981\u7ecf\u8fc75\u4e2a\u9636\u6bb5\uff0c\u9664\u8ba4\u8bc1\u9636\u6bb5\u5916\uff0c\u5176\u5b834\u4e2a\u9636\u6bb5\u90fd\u662f\u5fc5\u8981\u8fc7\u7a0b\u3002 5\u4e2a\u9636\u6bb5\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u94fe\u8def\u4e0d\u53ef\u7528\u9636\u6bb5\uff08Dead\uff09<\/li>\n\n\n\n<li>\u94fe\u8def\u5efa\u7acb\u9636\u6bb5\uff08Establish\uff09<\/li>\n\n\n\n<li>\u8ba4\u8bc1\u9636\u6bb5\uff08Authenticate\uff09<\/li>\n\n\n\n<li>\u7f51\u7edc\u5c42\u534f\u8bae\u9636\u6bb5\uff08Network\uff09<\/li>\n\n\n\n<li>\u94fe\u8def\u7ec8\u6b62\u9636\u6bb5\uff08Terminate\uff09<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><noscript><img decoding=\"async\" width=\"1024\" height=\"472\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-25-1024x472.png\" alt class=\"wp-image-4914\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-1024x472.png 1024w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-300x138.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-768x354.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25.png 1184w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" width=\"1024\" height=\"472\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20472%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4914 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%201024%20472%22%3E%3C%2Fsvg%3E 1024w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-1024x472.png 1024w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-300x138.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25-768x354.png 768w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-25.png 1184w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-25-1024x472.png\"><\/figure>\n\n\n\n<p>\ud83d\udd52 2. LCP\u534f\u8bae<br>    \ud83d\udd58 2.1 \u6982\u8ff0<br>LCP\uff08Link Control Protocol\uff0c\u94fe\u8def\u63a7\u5236\u534f\u8bae\uff09\uff1a\u7528\u4e8e\u5efa\u7acb\u3001\u914d\u7f6e\u3001\u7ef4\u62a4\u548c\u7ec8\u6b62PPP\u94fe\u8def<\/p>\n\n\n\n<p>LCP\u8d1f\u8d23PPP\u7684\u94fe\u8def\u7ba1\u7406\uff0c\u548c\u4e0a\u5c42\uff08\u7f51\u7edc\u5c42\uff09\u534f\u8bae\u65e0\u5173\u3002<\/p>\n\n\n\n<p>    \ud83d\udd58 2.2 \u62a5\u6587\u683c\u5f0f<br>\u5f53PPP\u5e27\u4e2dProtocol\u5b57\u6bb5\u4e3a0xC021\u65f6\uff0c\u8868\u793aInformation \u5b57\u6bb5\u6570\u636e\u4e3aLCP\u62a5\u6587\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"371\" height=\"118\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-26.png\" alt class=\"wp-image-4915\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-26.png 371w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-26-300x95.png 300w\" sizes=\"(max-width: 371px) 100vw, 371px\"><\/noscript><img decoding=\"async\" width=\"371\" height=\"118\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20371%20118%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4915 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20371%20118%22%3E%3C%2Fsvg%3E 371w\" sizes=\"(max-width: 371px) 100vw, 371px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-26.png 371w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-26-300x95.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-26.png\"><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>Code\u4e3a\u4ee3\u7801\u5b57\u6bb5\uff08\u4e5f\u79f0\u7c7b\u578b\u5b57\u6bb5\uff09\uff0c\u957f\u5ea6\u4e3a1\u5b57\u8282\uff0c\u7528\u6765\u6807\u8bc6LCP\u4e2d\u94fe\u8def\u63a7\u5236\u62a5\u6587\u7684\u7c7b\u578b\u3002<br>Identifier\u4e3a\u6807\u8bc6\u7b26\u5b57\u6bb5\uff0c\u957f\u5ea6\u4e3a1\u5b57\u8282\uff0c\u662f\u62a5\u6587\u7684\u552f\u4e00\u6807\u8bc6\u3002<br>Identifier\u5b57\u6bb5\u7528\u4e8e\u5339\u914d\u8bf7\u6c42\u548c\u56de\u590d\u3002<br>Length\u4e3a\u957f\u5ea6\u5b57\u6bb5\uff0c\u957f\u5ea6\u4e3a2\u5b57\u8282\uff0cLength\u5b57\u6bb5\u6307\u51fa\u8be5\u62a5\u6587\u7684\u957f\u5ea6\uff0c\u5305\u62ecCode\uff0cIdentifier\uff0cLength\u548cData\u3002<br>Data\u4e3a\u6570\u636e\u5b57\u6bb5\uff0c\u957f\u5ea6\u662f\u96f6\u6216\u591a\u4e2a\u516b\u4f4d\u5b57\u8282\uff0c\u7531Length\u5b57\u6bb5\u58f0\u660e\u3002<br>Data\u5b57\u6bb5\u7684\u683c\u5f0f\u7531Code\u5b57\u6bb5\u51b3\u5b9a\u3002<\/p>\n<\/blockquote>\n\n\n\n<p><br>    \ud83d\udd58 2.3 \u62a5\u6587\u79cd\u7c7b<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"900\" height=\"597\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-27.png\" alt class=\"wp-image-4916\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27.png 900w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27-300x199.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27-768x509.png 768w\" sizes=\"(max-width: 900px) 100vw, 900px\"><\/noscript><img decoding=\"async\" width=\"900\" height=\"597\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20900%20597%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4916 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20900%20597%22%3E%3C%2Fsvg%3E 900w\" sizes=\"(max-width: 900px) 100vw, 900px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27.png 900w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27-300x199.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-27-768x509.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-27.png\"><\/figure>\n\n\n\n<p><br>\ud83d\udd64 2.3.1 \u94fe\u8def\u914d\u7f6e\u62a5\u6587<br>Configure-Request\uff08\u914d\u7f6e\u8bf7\u6c42\uff09\u7684Code\u5b57\u6bb5\u503c\u4e3a0x01\uff0cData\u5b57\u6bb5\u503c\u4e3a\u4e00\u5230\u591a\u4e2a\u9009\u9879\uff08Options\uff09\u5217\u8868\uff0c\u9009\u9879\u5217\u8868\u4e2d\u7684\u53c2\u6570\u53ef\u540c\u65f6\u534f\u5546\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"656\" height=\"304\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-29.png\" alt class=\"wp-image-4918\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-29.png 656w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-29-300x139.png 300w\" sizes=\"(max-width: 656px) 100vw, 656px\"><\/noscript><img decoding=\"async\" width=\"656\" height=\"304\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20656%20304%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4918 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20656%20304%22%3E%3C%2Fsvg%3E 656w\" sizes=\"(max-width: 656px) 100vw, 656px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-29.png 656w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-29-300x139.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-29.png\"><\/figure>\n\n\n\n<p>Type\u4e3a\u7c7b\u578b\u5b57\u6bb5\uff0c\u7528\u4e8e\u533a\u5206\u534f\u5546\u4e0d\u540c\u53c2\u6570\u3002<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"896\" height=\"449\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-30.png\" alt class=\"wp-image-4919\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30.png 896w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30-300x150.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30-768x385.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\"><\/noscript><img decoding=\"async\" width=\"896\" height=\"449\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20896%20449%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4919 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20896%20449%22%3E%3C%2Fsvg%3E 896w\" sizes=\"(max-width: 896px) 100vw, 896px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30.png 896w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30-300x150.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-30-768x385.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-30.png\"><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><br>Length\u4e3a\u957f\u5ea6\u5b57\u6bb5\uff0cLength\u5b57\u6bb5\u6307\u51fa\u8be5\u914d\u7f6e\u9009\u9879\uff08\u5305\u62ecType\u3001Length\u548cData\u5b57\u6bb5\uff09\u7684\u957f\u5ea6\u3002<br>Data\u4e3a\u6570\u636e\u5b57\u6bb5\uff0cData\u5b57\u6bb5\u4e3a\u96f6\u6216\u8005\u591a\u4e2a\u5b57\u8282\uff0c\u5176\u4e2d\u5305\u542b\u914d\u7f6e\u9009\u9879\u7684\u7279\u5b9a\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<\/blockquote>\n\n\n\n<p><br>Configure-Request\uff08\u914d\u7f6e\u8bf7\u6c42\uff09\u62a5\u6587\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"864\" height=\"385\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-31.png\" alt class=\"wp-image-4920\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31.png 864w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31-300x134.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31-768x342.png 768w\" sizes=\"(max-width: 864px) 100vw, 864px\"><\/noscript><img decoding=\"async\" width=\"864\" height=\"385\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20864%20385%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4920 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20864%20385%22%3E%3C%2Fsvg%3E 864w\" sizes=\"(max-width: 864px) 100vw, 864px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31.png 864w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31-300x134.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-31-768x342.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-31.png\"><\/figure>\n\n\n\n<p>\u82e5\u63a5\u6536\u7684Configure-Request\u4e2d\u7684\u6bcf\u4e00\u4e2a\u914d\u7f6e\u9009\u9879\u7684\u503c\u90fd\u53ef\u63a5\u53d7\uff0c\u5219\u56de\u9001Configure-Ack\uff08\u914d\u7f6e\u786e\u8ba4\uff09\u62a5\u6587\uff0c\u56de\u9001\u7684Configure-Ack\u4e2d\u7684Identifier\u5b57\u6bb5\u5fc5\u987b\u4e0e\u6700\u540e\u63a5\u6536\u7684Configure-Request\u76f8\u5339\u914d\u3002\u6b64\u5916\uff0cConfigure-Ack\u4e2d\u7684\u914d\u7f6e\u9009\u9879\u5fc5\u987b\u5b8c\u5168\u5339\u914d\u6700\u540e\u63a5\u6536\u7684Configure-Request\u3002<\/p>\n\n\n\n<p>\u82e5\u6536\u5230\u7684\u6bcf\u4e2a\u914d\u7f6e\u9009\u9879\u90fd\u53ef\u4ee5\u8bc6\u522b\uff0c\u4f46\u662f\u914d\u7f6e\u9009\u9879\u7684\u503c\u4e0d\u80fd\u63a5\u53d7\uff0c\u63a5\u6536\u65b9\u5fc5\u987b\u56de\u9001Configure-Nak\uff08\u914d\u7f6e\u5426\u8ba4\uff09\u3002\u914d\u7f6e\u9009\u9879\u90e8\u5206\u4ec5\u7528\u4e0d\u80fd\u63a5\u53d7\u7684\u914d\u7f6e\u9009\u9879\u8fdb\u884c\u586b\u5145\uff0c\u56de\u9001\u7684Configure-Nak\u4e2d\u7684Identifier\u5b57\u6bb5\u5fc5\u987b\u4e0e\u6700\u540e\u63a5\u6536\u7684Configure-Request\u76f8\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u82e5\u6536\u5230\u7684\u90e8\u5206\u914d\u7f6e\u9009\u9879\u662f\u4e0d\u53ef\u8bc6\u522b\u6216\u4e0d\u80fd\u63a5\u53d7\uff0c\u5219\u56de\u9001Configure-Reject\uff08\u914d\u7f6e\u62d2\u7edd\u786e\u8ba4\uff09\u3002\u914d\u7f6e\u9009\u9879\u90e8\u5206\u4ec5\u7528\u4e0d\u53ef\u8bc6\u522b\u6216\u4e0d\u80fd\u63a5\u53d7\u7684\u914d\u7f6e\u9009\u9879\u8fdb\u884c\u586b\u5145\uff0c\u56de\u9001\u7684Configure- Reject\u4e2d\u7684Identifier\u5b57\u6bb5\u5fc5\u987b\u4e0e\u6700\u540e\u63a5\u6536\u7684Configure-Request\u76f8\u5339\u914d\u3002<\/p>\n\n\n\n<p>\u4e0a\u8ff0\u62a5\u6587\u9664Code\u5b57\u6bb5\u503c\u4e0d\u540c\uff0c\u914d\u7f6e\u9009\u9879\u7684\u683c\u5f0f\u4e0eConfigure-Request\u5747\u76f8\u540c\u3002<\/p>\n\n\n\n<p>\ud83d\udd64 2.3.2 \u94fe\u8def\u7ec8\u6b62\u62a5\u6587<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"784\" height=\"171\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-32.png\" alt class=\"wp-image-4921\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32.png 784w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32-300x65.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32-768x168.png 768w\" sizes=\"(max-width: 784px) 100vw, 784px\"><\/noscript><img decoding=\"async\" width=\"784\" height=\"171\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20784%20171%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4921 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20784%20171%22%3E%3C%2Fsvg%3E 784w\" sizes=\"(max-width: 784px) 100vw, 784px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32.png 784w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32-300x65.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-32-768x168.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-32.png\"><\/figure>\n\n\n\n<p>\ud83d\udd64 2.3.3 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src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20420%20133%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4922 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20420%20133%22%3E%3C%2Fsvg%3E 420w\" sizes=\"(max-width: 420px) 100vw, 420px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-33.png 420w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-33-300x95.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-33.png\"><\/figure>\n\n\n\n<p>Protocol-Reject\uff08\u534f\u8bae\u62d2\u7edd\uff09\u62a5\u6587\u8868\u793a\u65e0\u6cd5\u8bc6\u522b\u62a5\u6587\u7684Protocol\u5b57\u6bb5<\/p>\n\n\n\n<p>\u82e5\u6536\u5230\u8be5\u7c7b\u9519\u8bef\uff0c\u5e94\u505c\u6b62\u53d1\u9001\u8be5\u7c7b\u578b\u7684\u534f\u8bae\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u7684\u683c\u5f0f\u5982\u56fe\u6240\u793a\uff0c\u5176\u4e2d\u201c\u88ab\u62d2\u7edd\u7684\u534f\u8bae\u201d\u5b57\u6bb5\u5305\u542b\u4e86\u88ab\u62d2\u7edd\u7684PPP\u5e27\u7684\u6570\u636e\u533a\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"488\" height=\"134\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-34.png\" alt class=\"wp-image-4923\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-34.png 488w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-34-300x82.png 300w\" sizes=\"(max-width: 488px) 100vw, 488px\"><\/noscript><img decoding=\"async\" width=\"488\" height=\"134\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20488%20134%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4923 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20488%20134%22%3E%3C%2Fsvg%3E 488w\" sizes=\"(max-width: 488px) 100vw, 488px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-34.png 488w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-34-300x82.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-34.png\"><\/figure>\n\n\n\n<p>Echo-Request\uff08\u56de\u590d\u8bf7\u6c42\uff09\u548cEcho-Reply\uff08\u56de\u590d\u5e94\u7b54\uff09\u7528\u4e8e\u94fe\u8def\u8d28\u91cf\u548c\u6027\u80fd\u6d4b\u8bd5\uff0c\u5176\u683c\u5f0f\u5982\u56fe\u6240\u793a\u3002<\/p>\n\n\n\n<p>Discard-Request\uff08\u4e22\u5f03\u8bf7\u6c42\uff09\u662f\u4e00\u4e2a\u8f85\u52a9\u7684\u9519\u8bef\u8c03\u8bd5\u548c\u5b9e\u9a8c\u62a5\u6587\uff0c\u65e0\u5b9e\u8d28\u7528\u9014\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u62a5\u6587\u6536\u5230\u5373\u4f1a\u4e22\u5f03\u3002<\/p>\n\n\n\n<p>    \ud83d\udd58 2.4 \u5de5\u4f5c\u8fc7\u7a0b<br>\ud83d\udd64 2.4.1 \u94fe\u8def\u5efa\u7acb\u548c\u914d\u7f6e\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"827\" height=\"436\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-35.png\" alt class=\"wp-image-4924\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35.png 827w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35-300x158.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35-768x405.png 768w\" sizes=\"(max-width: 827px) 100vw, 827px\"><\/noscript><img decoding=\"async\" width=\"827\" height=\"436\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20827%20436%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4924 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20827%20436%22%3E%3C%2Fsvg%3E 827w\" sizes=\"(max-width: 827px) 100vw, 827px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35.png 827w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35-300x158.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-35-768x405.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-35.png\"><\/figure>\n\n\n\n<p>\u5f53\u9700\u8981\u5efa\u7acb\u903b\u8f91\u94fe\u8def\u65f6\uff0c\u53d1\u8d77\u65b9\u53d1\u9001Configure-Request\uff08\u914d\u7f6e\u8bf7\u6c42\uff09\u62a5\u6587\uff0c\u7528\u4e8e\u534f\u5546\u53c2\u6570\uff1b<br>\u82e5\u63a5\u6536\u65b9\u6536\u5230\u7684\u6bcf\u4e00\u4e2a\u914d\u7f6e\u9009\u9879\u7684\u503c\u90fd\u53ef\u63a5\u53d7\uff0c\u5219\u56de\u9001Configure-Ack\uff08\u914d\u7f6e\u786e\u8ba4\uff09\u62a5\u6587\uff1b<br>\u82e5\u6536\u5230\u7684\u914d\u7f6e\u9009\u9879\u662f\u53ef\u4ee5\u8bc6\u522b\uff0c\u4f46\u90e8\u5206\u914d\u7f6e\u9009\u9879\u53c2\u6570\u4e0d\u80fd\u63a5\u53d7\uff0c\u5219\u56de\u9001Configure-Nak\uff08\u914d\u7f6e\u5426\u8ba4\uff09\u62a5\u6587\uff0c\u5e76\u6807\u793a\u51fa\u9700\u8981\u91cd\u65b0\u534f\u5546\u7684\u914d\u7f6e\u9009\u9879\uff1b<br>\u82e5\u914d\u7f6e\u9009\u9879\u4e0d\u53ef\u8bc6\u522b\u6216\u4e0d\u53ef\u63a5\u53d7\uff0c\u5219\u56de\u9001Configure-Reject\uff08\u914d\u7f6e\u62d2\u7edd\uff09\u62a5\u6587\u3002<br>\ud83d\udd64 2.4.2 \u94fe\u8def\u7ec8\u6b62\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"689\" height=\"331\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-36.png\" alt class=\"wp-image-4925\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-36.png 689w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-36-300x144.png 300w\" sizes=\"(max-width: 689px) 100vw, 689px\"><\/noscript><img decoding=\"async\" width=\"689\" height=\"331\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20689%20331%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4925 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20689%20331%22%3E%3C%2Fsvg%3E 689w\" sizes=\"(max-width: 689px) 100vw, 689px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-36.png 689w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-36-300x144.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-36.png\"><\/figure>\n\n\n\n<p>Terminate-Request\uff08\u7ec8\u6b62\u8bf7\u6c42\uff09\u62a5\u6587<br>Terminate-Ack\uff08\u7ec8\u6b62\u5e94\u7b54\uff09\u62a5\u6587<br>\ud83d\udd64 2.4.3 \u94fe\u8def\u7ef4\u62a4\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"859\" height=\"578\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-37.png\" alt class=\"wp-image-4926\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37.png 859w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37-300x202.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37-768x517.png 768w\" sizes=\"(max-width: 859px) 100vw, 859px\"><\/noscript><img decoding=\"async\" width=\"859\" height=\"578\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20859%20578%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4926 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20859%20578%22%3E%3C%2Fsvg%3E 859w\" sizes=\"(max-width: 859px) 100vw, 859px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37.png 859w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37-300x202.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-37-768x517.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-37.png\"><\/figure>\n\n\n\n<p>Code-Reject\uff08\u4ee3\u7801\u62d2\u7edd\uff09<br>Protocol-Reject\uff08\u534f\u8bae\u62d2\u7edd\uff09<br>Echo-Request\uff08\u56de\u590d\u8bf7\u6c42\uff09\u548cEcho-Reply\uff08\u56de\u590d\u5e94\u7b54\uff09<br>Discard-Request\uff08\u4e22\u5f03\u8bf7\u6c42\uff09<br>\ud83d\udd52 3. NCP\u534f\u8bae<br>    \ud83d\udd58 3.1 \u6982\u8ff0<br>NCP\uff08Network Control Protocol\uff0c\u7f51\u7edc\u63a7\u5236\u534f\u8bae\uff09\u7528\u4e8e\u5efa\u7acb\u3001\u914d\u7f6e\u7f51\u7edc\u5c42\u534f\u8bae\uff0c\u8fdb\u884c\u53c2\u6570\u534f\u5546\u3002<\/p>\n\n\n\n<p>\u4e0d\u540c\u7684\u7f51\u7edc\u5c42\u534f\u8bae\u4f1a\u4f7f\u7528\u4e0d\u540c\u7684NCP\u534f\u8bae\u3002<\/p>\n\n\n\n<p>IP\u534f\u8bae\u4f7f\u7528IPCP\uff08Internet Protocol Control Protocol\uff0cIP\u63a7\u5236\u534f\u8bae\uff09\uff1b<br>Appletalk\u534f\u8bae\u4f7f\u7528Appletalk NCP\u8fdb\u884c\u534f\u5546\uff1b<br>Novell\u7684 IPX\u534f\u8bae\u4f7f\u7528IPE\uff08Internet Packet Exchange\uff0c\u4e92\u8fde\u7f51\u5305\u4ea4\u6362\u534f\u8bae\uff09\u8fdb\u884c\u534f\u5546\u3002<br>    \ud83d\udd58 3.2 IPCP\u534f\u8bae<br>\ud83d\udd64 3.2.1 \u6982\u8ff0<br>\u82e5PPP\u5e27\u4e2dProtocol\u5b57\u6bb5\u53d6\u503c0x8021\uff0c\u8868\u793aPPP\u5e27\u6b63\u5728\u4f7f\u7528IPCP\u534f\u5546\u76f8\u5173\u901a\u4fe1\u53c2\u6570\u3002<\/p>\n\n\n\n<p>IPCP\u4f1a\u5b8c\u6210\u534f\u5546IP\u5730\u5740\u7b49\u5de5\u4f5c\uff0c\u5176\u540e\u5728\u8be5PPP\u94fe\u8def\u4e0a\u4f20\u9001IP\u6570\u636e\u62a5\uff1b<\/p>\n\n\n\n<p>\u82e5IP\u6570\u636e\u62a5\u4f20\u9001\u5b8c\u6bd5\uff0c\u82e5\u8981\u5173\u95edIP\u534f\u8bae\uff0c\u4ecd\u9700\u901a\u8fc7IPCP\u534f\u5546\u7ec8\u6b62\uff1b<\/p>\n\n\n\n<p>\u82e5\u8981\u91ca\u653e\u94fe\u8def\uff0c\u5219\u9700\u501f\u52a9LCP\u534f\u8bae\u3002<\/p>\n\n\n\n<p>\ud83d\udd64 3.2.2 \u62a5\u6587\u7684\u683c\u5f0f<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"371\" height=\"118\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-38.png\" alt class=\"wp-image-4927\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-38.png 371w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-38-300x95.png 300w\" sizes=\"(max-width: 371px) 100vw, 371px\"><\/noscript><img decoding=\"async\" width=\"371\" height=\"118\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20371%20118%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4927 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20371%20118%22%3E%3C%2Fsvg%3E 371w\" sizes=\"(max-width: 371px) 100vw, 371px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-38.png 371w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-38-300x95.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-38.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"901\" height=\"424\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-39.png\" alt class=\"wp-image-4928\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39.png 901w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39-300x141.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39-768x361.png 768w\" sizes=\"(max-width: 901px) 100vw, 901px\"><\/noscript><img decoding=\"async\" width=\"901\" height=\"424\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20901%20424%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4928 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20901%20424%22%3E%3C%2Fsvg%3E 901w\" sizes=\"(max-width: 901px) 100vw, 901px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39.png 901w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39-300x141.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-39-768x361.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-39.png\"><\/figure>\n\n\n\n<p><br>\u4e0eLCP\u62a5\u6587\u683c\u5f0f\u51e0\u4e4e\u4e00\u6837<\/p>\n\n\n\n<p>\ud83d\udd64 3.2.3 \u914d\u7f6e\u9009\u9879<br>IPCP\u534f\u8bae\u4e2d\uff0c\u901a\u4fe1\u53cc\u65b9\u53ef\u534f\u5546\u7684\u914d\u7f6e\u9009\u9879\u5305\u62ec3\u4e2a\uff1a<\/p>\n\n\n\n<p>\u591a\u4e2aIP\u5730\u5740\uff08IP-Addresses\uff09<br>\u591a\u4e2aIP\u5730\u5740\u5f88\u96be\u5168\u90e8\u534f\u5546\u6210\u529f<br>\u672c\u9009\u9879\u5f88\u5c11\u4f7f\u7528<br>IP\u538b\u7f29\u534f\u8bae\uff08IP Compression Protocol\uff09<br>\u7528\u4e8e\u534f\u5546\u4f7f\u7528\u7684\u538b\u7f29\u534f\u8bae<br>IPCP\u4e2d\u4ec5\u89c4\u5b9a\u4e86\u201cVan Jacobson\u201d\u4e00\u4e2a\u538b\u7f29\u534f\u8bae\uff0c\u7f16\u53f7\u4e3a0x002D\uff0cType\u5b57\u6bb5\u53d6\u503c\u4e3a0x02\u3002<br>\u8be5\u9009\u9879\u9ed8\u8ba4\u503c\u4e3a\u4e0d\u8fdb\u884c\u538b\u7f29\u3002<br>IP\u5730\u5740\uff08IP Address\uff09<br>\u82e5\u53d1\u8d77\u65b9\u8bf7\u6c42\u5bf9\u7aef\u5206\u914d\u4e00\u4e2aIP\u5730\u5740\uff0c\u63a5\u6536\u65b9\u5e94\u4f1a\u8fd4\u56de\u4e00\u4e2a\u5408\u6cd5\u7684IP\u5730\u5740\u3002\u6b64\u65f6\uff0c\u53d1\u8d77\u65b9\u53d1\u9001configure-request\uff0ctype\u4e3a0x03\uff0clength\u4e3a0x06\uff0c\u5176\u540e4\u5b57\u8282\u5168\u4e3a0x00\uff0c\u6307\u660e\u7531\u5bf9\u7aef\u63d0\u4f9bIP\u5730\u5740\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"518\" height=\"393\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-40.png\" alt class=\"wp-image-4929\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-40.png 518w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-40-300x228.png 300w\" sizes=\"(max-width: 518px) 100vw, 518px\"><\/noscript><img decoding=\"async\" width=\"518\" height=\"393\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20518%20393%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4929 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20518%20393%22%3E%3C%2Fsvg%3E 518w\" sizes=\"(max-width: 518px) 100vw, 518px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-40.png 518w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-40-300x228.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-40.png\"><\/figure>\n\n\n\n<p>IPCP Configure-Request\u62a5\u6587\u793a\u4f8b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"744\" height=\"261\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-41.png\" alt class=\"wp-image-4930\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-41.png 744w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-41-300x105.png 300w\" sizes=\"(max-width: 744px) 100vw, 744px\"><\/noscript><img decoding=\"async\" width=\"744\" height=\"261\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20744%20261%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4930 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20744%20261%22%3E%3C%2Fsvg%3E 744w\" sizes=\"(max-width: 744px) 100vw, 744px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-41.png 744w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-41-300x105.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-41.png\"><\/figure>\n\n\n\n<p>\ud83d\udd52 4. \u8ba4\u8bc1<br>    \ud83d\udd58 4.1 PAP\u534f\u8bae<br>\ud83d\udd64 4.1.1 \u6982\u8ff0<br>PAP\uff08Password Authentication Protocol\uff0c\u53e3\u4ee4\u8ba4\u8bc1\u534f\u8bae\uff09<\/p>\n\n\n\n<p>\u4f18\u70b9\uff1aPAP\u7684\u6574\u4e2a\u8ba4\u8bc1\u6d41\u7a0b\u975e\u5e38\u7b80\u5355<\/p>\n\n\n\n<p>\u7f3a\u70b9\uff1a\u8ba4\u8bc1\u53ea\u80fd\u5728\u94fe\u8def\u5efa\u7acb\u9636\u6bb5\u8fdb\u884c\uff0c\u8eab\u4efd\u548c\u53e3\u4ee4\u662f\u4ee5\u660e\u6587\u8fdb\u884c\u4f20\u8f93\uff0c\u5b89\u5168\u6027\u4f4e<\/p>\n\n\n\n<p>\ud83d\udd64 4.1.2 \u8ba4\u8bc1\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"484\" height=\"324\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-42.png\" alt class=\"wp-image-4931\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-42.png 484w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-42-300x201.png 300w\" sizes=\"(max-width: 484px) 100vw, 484px\"><\/noscript><img decoding=\"async\" width=\"484\" height=\"324\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20484%20324%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4931 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20484%20324%22%3E%3C%2Fsvg%3E 484w\" sizes=\"(max-width: 484px) 100vw, 484px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-42.png 484w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-42-300x201.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-42.png\"><\/figure>\n\n\n\n<p>\ud83d\udd64 4.1.3 \u62a5\u6587\u683c\u5f0f<br>PAP\u534f\u8bae\u7684\u62a5\u6587\u5171\u6709\u4e09\u79cd\uff1a<\/p>\n\n\n\n<p>Authenticate-Request\uff08\u8ba4\u8bc1\u8bf7\u6c42\uff09<br>Authenticate-Ack\uff08\u8ba4\u8bc1\u786e\u8ba4\uff09<br>Authenticate-Nak\uff08\u8ba4\u8bc1\u5426\u8ba4\uff09<br>\u82e5PPP\u5e27\u4e2dProtocol\u5b57\u6bb5\u53d6\u503c\u4e3a0xC023\u65f6\uff0c\u8868\u793aInformation\u5b57\u6bb5\u627f\u8f7d\u7684\u662fPAP\u62a5\u6587\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"820\" height=\"310\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-43.png\" alt class=\"wp-image-4932\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43.png 820w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43-300x113.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43-768x290.png 768w\" sizes=\"(max-width: 820px) 100vw, 820px\"><\/noscript><img decoding=\"async\" width=\"820\" height=\"310\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20820%20310%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4932 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20820%20310%22%3E%3C%2Fsvg%3E 820w\" sizes=\"(max-width: 820px) 100vw, 820px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43.png 820w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43-300x113.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-43-768x290.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-43.png\"><\/figure>\n\n\n\n<p>    \ud83d\udd58 4.2 CHAP\u534f\u8bae<br>\ud83d\udd64 4.2.1 \u6982\u8ff0<br>CHAP\uff08Challenge Handshake Authentication Protocol\uff0c\u57fa\u4e8e\u6311\u6218\u7684\u63e1\u624b\u8ba4\u8bc1\u534f\u8bae\uff09<\/p>\n\n\n\n<p>CHAP\u4e3a\u4e09\u6b21\u63e1\u624b\u534f\u8bae\uff0c\u53ef\u4ee5\u5728\u94fe\u8def\u5efa\u7acb\u548c\u6570\u636e\u901a\u4fe1\u9636\u6bb5\u591a\u6b21\u4f7f\u7528\uff0c\u8fdb\u884c\u8ba4\u8bc1\uff0c\u540c\u65f6\u5b89\u5168\u6027\u8f83\u9ad8<\/p>\n\n\n\n<p>\u8ba4\u8bc1\u8fc7\u7a0b\u4e2d\u9700\u914d\u5408\u4e8b\u5148\u534f\u5546\u597d\u7684\u7b97\u6cd5\uff0c\u786e\u8ba4\u88ab\u8ba4\u8bc1\u65b9\u7684\u8eab\u4efd\uff0c\u901a\u5e38\u4f7f\u7528MD5\uff08Message Digest Algorithm 5\uff09\u4f5c\u4e3a\u5176\u9ed8\u8ba4\u7b97\u6cd5\u3002\u53ea\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u7528\u6237\u540d\uff0c\u800c\u4e0d\u4f20\u8f93\u7528\u6237\u53e3\u4ee4\u3002<\/p>\n\n\n\n<p>\u76ee\u524dPPP\u534f\u8bae\u7684\u8ba4\u8bc1\u9636\u6bb5\u591a\u4f7f\u7528CHAP\u8ba4\u8bc1\u534f\u8bae\u3002<\/p>\n\n\n\n<p>\ud83d\udd64 4.2.2 \u8ba4\u8bc1\u6d41\u7a0b<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"523\" height=\"391\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-44.png\" alt class=\"wp-image-4933\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-44.png 523w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-44-300x224.png 300w\" sizes=\"(max-width: 523px) 100vw, 523px\"><\/noscript><img decoding=\"async\" width=\"523\" height=\"391\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20523%20391%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4933 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20523%20391%22%3E%3C%2Fsvg%3E 523w\" sizes=\"(max-width: 523px) 100vw, 523px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-44.png 523w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-44-300x224.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-44.png\"><\/figure>\n\n\n\n<p>\ud83d\udd64 4.2.3 \u62a5\u6587\u683c\u5f0f<br>CHAP\u534f\u8bae\u7684\u62a5\u6587\u5171\u6709\u56db\u79cd\uff1a<\/p>\n\n\n\n<p>Challenge<br>Response<br>Success<br>Failure<br>\u82e5PPP\u5e27\u4e2dProtocol\u5b57\u6bb5\u53d6\u503c\u4e3a0xC223\u65f6\uff0c\u8868\u793aInformation\u5b57\u6bb5\u627f\u8f7d\u7684\u662fCHAP\u62a5\u6587\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"820\" height=\"283\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-45.png\" alt class=\"wp-image-4934\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45.png 820w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45-300x104.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45-768x265.png 768w\" sizes=\"(max-width: 820px) 100vw, 820px\"><\/noscript><img decoding=\"async\" width=\"820\" height=\"283\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20820%20283%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4934 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20820%20283%22%3E%3C%2Fsvg%3E 820w\" sizes=\"(max-width: 820px) 100vw, 820px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45.png 820w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45-300x104.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-45-768x265.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-45.png\"><\/figure>\n\n\n\n<p>\ud83d\udd52 5. \u5b9e\u9a8c<br>\u9898\u76ee\uff1a\u672c\u5b9e\u9a8c\u6a21\u62df\u4f01\u4e1a\u7f51\u7edc\u73af\u5883\u3002R1\u4e3a\u5206\u652f\u673a\u6784\u63a5\u5165\u7f51\u5173\u8bbe\u5907\uff0cPC-1\u4e3a\u4f01\u4e1a\u5206\u652f\u673a\u6784\u7ec8\u7aef\u3002R2\u4e3a\u4f01\u4e1a\u603b\u90e8\u63a5\u5165\u7ec8\u7aef\u7f51\u5173\u8bbe\u5907\uff0cPC-2\u4e3a\u4f01\u4e1a\u603b\u90e8\u7ec8\u7aef\uff0c\u7f51\u7edc\u7ba1\u7406\u5458\u5728\u5206\u652f\u673a\u6784\u8bbf\u95ee\u603b\u90e8\u65f6\u90e8\u7f72PPP\u8ba4\u8bc1 \uff0cR1\u548cR2\u4e92\u4e3a\u8ba4\u8bc1\u8def\u7531\u5668\u548c\u88ab\u8ba4\u8bc1\u8def\u7531\u5668\u3002\u53ea\u6709\u8ba4\u8bc1\u901a\u8fc7\u624d\u80fd\u5efa\u7acbPPP\u8fde\u63a5\u8fdb\u884c\u6b63\u5e38\u8bbf\u95ee\u3002<\/p>\n\n\n\n<p>\u6b65\u9aa4\uff1a\u5f00\u542fGNS3\u865a\u62df\u673a\uff0c\u65b0\u5efa\u62d3\u6251\u6587\u4ef6\uff0c\u5728\u5de5\u4f5c\u533a\u6dfb\u52a0\u4e24\u53f0\u8def\u7531\u5668\uff08c3745\uff09\u548c\u4e24\u53f0PC\uff0c\u6309\u4e0b\u56fe\u8fde\u63a5\u8def\u7531\u5668\u3001PC\uff0c\u5f00\u542f\u8bbe\u5907\u3002\u5e76\u6309\u7167\u4e0b\u56fe\u548c\u4e0b\u8868\uff0c\u5728R1\u548cR2\u4e4b\u95f4\u914d\u7f6ePPP\u534f\u8bae\uff0c\u5e76\u5f00\u542fCHAP\u8ba4\u8bc1\uff08\u6b64\u65f6s0\/0\u53e3\u5173\u95ed\uff09\uff0c\u5c06\u8def\u7531\u5668\u7684\u914d\u7f6e\u6307\u4ee4\u622a\u56fe\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"321\" height=\"274\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-46.png\" alt class=\"wp-image-4935\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-46.png 321w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-46-300x256.png 300w\" sizes=\"(max-width: 321px) 100vw, 321px\"><\/noscript><img decoding=\"async\" width=\"321\" height=\"274\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20321%20274%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4935 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20321%20274%22%3E%3C%2Fsvg%3E 321w\" sizes=\"(max-width: 321px) 100vw, 321px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-46.png 321w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-46-300x256.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-46.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><noscript><img decoding=\"async\" src=\"blob:http:\/\/101.42.96.217:21080\/4f4616b6-4fa5-474d-a22c-02c6a5aa8994\" alt><\/noscript><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" alt data-src=\"blob:http:\/\/101.42.96.217:21080\/4f4616b6-4fa5-474d-a22c-02c6a5aa8994\" class=\" lazyload\"><\/figure>\n\n\n\n<p><br>\u914d\u7f6eR1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8fdb\u5165\u5168\u5c40\u6a21\u5f0f\n\nR1#configure terminal\n\n\u521b\u5efa\u672c\u5730\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u4e3aCHAP\u8ba4\u8bc1\u505a\u51c6\u5907\uff0c\u7528\u6237\u540d\u4e3a\u5bf9\u65b9hostname\n\nR1#username R2 password 1234\n\n\u8fdb\u5165\u63a5\u53e3\u6a21\u5f0f\uff0c\u5bf9f0\/1\u53e3\u8fdb\u884c\u914d\u7f6e\n\nR1(config)#interface f0\/1\nR1(config-if)#ip address 192.168.3.1 255.255.255.0\n\n\u8fdb\u5165\u63a5\u53e3\u6a21\u5f0f\uff0c\u5bf9s0\/0\u53e3\u8fdb\u884c\u914d\u7f6e\n\nR1(config)#interface s0\/0\n\n\u914d\u7f6es0\/0\u53e3\u7684IP\u5730\u5740\n\nR1(config-if)#ip address 10.1.1.1 255.255.255.0\n\n\u8bbe\u7f6es0\/0\u53e3\u4f5c\u4e3aDCE\u8bbe\u5907\uff0c\u4e3aDTE\u8bbe\u5907\u63d0\u4f9b\u65f6\u949f\u4ee5\u4fbf\u540c\u6b65\uff0c\u65f6\u949f\u901f\u7387\u4e3a128000\uff08bit\/s\uff09\n\nR1(config-if)#clock rate 128000\n\n\u5728s0\/0\u53e3\u5c01\u88c5ppp\u534f\u8bae\n\nR1(config-if)#encapsulation ppp\n\n\u8bbe\u7f6eppp\u534f\u8bae\u7684\u8ba4\u8bc1\u65b9\u5f0f\u4e3achap\n\nR1(config-if)#ppp authentication chap\n\n\u505c\u7528s0\/0\u53e3\n\nR1(config-if)shutdown<\/code><\/pre>\n\n\n\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p>\u914d\u7f6eR2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8fdb\u5165\u5168\u5c40\u6a21\u5f0f\n\nR2#configure terminal\n\n\u521b\u5efa\u672c\u5730\u7528\u6237\u540d\u548c\u5bc6\u7801\uff0c\u4e3aCHAP\u8ba4\u8bc1\u505a\u51c6\u5907\uff0c\u7528\u6237\u540d\u4e3a\u5bf9\u65b9hostname\n\nR2#username R1 password 1234\n\n\u8fdb\u5165\u63a5\u53e3\u6a21\u5f0f\uff0c\u5bf9f0\/1\u53e3\u8fdb\u884c\u914d\u7f6e\n\nR2(config)#interface f0\/1\nR2(config-if)#ip address 192.168.4.1 255.255.255.0\n\n\u8fdb\u5165\u63a5\u53e3\u6a21\u5f0f\uff0c\u5bf9s0\/0\u53e3\u8fdb\u884c\u914d\u7f6e\n\nR2(config)#interface s0\/0\n\n\u914d\u7f6es0\/0\u53e3\u7684IP\u5730\u5740\n\nR2(config-if)#ip address 10.1.1.2 255.255.255.0\n\n\u5728s0\/0\u53e3\u5c01\u88c5ppp\u534f\u8bae\n\nR2(config-if)#encapsulation ppp\n\n\u8bbe\u7f6eppp\u534f\u8bae\u7684\u8ba4\u8bc1\u65b9\u5f0f\u4e3achap\n\nR2(config-if)#ppp authentication chap\n\n\u505c\u7528s0\/0\u53e3\n\nR2(config-if)shutdown<\/code><\/pre>\n<\/div><\/div>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><\/p>\n\n\n\n<p>Q\uff1aDCE\u8bbe\u5907\u548cDTE\u8bbe\u5907\u662f\u4ec0\u4e48\uff1f\u4e3a\u4ec0\u4e48R1\u8981\u8bbe\u7f6e\u65f6\u949f\u800cR2\u4e0d\u7528\uff1f<br>A\uff1aDCE \u548c DTE \u5206\u522b\u4ee3\u8868\u6570\u636e\u901a\u4fe1\u8bbe\u5907\u548c\u6570\u636e\u7aef\u70b9\u8bbe\u5907\u3002<br>DCE (Data Circuit-terminating Equipment) \u901a\u5e38\u6307\u5728\u6570\u636e\u4f20\u8f93\u4e2d\u7ec8\u6b62\u6570\u5b57\u7535\u8def\u7684\u8bbe\u5907\uff0c\u8d1f\u8d23\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\uff0c\u4ee5\u4fbf\u5728\u901a\u4fe1\u8bbe\u5907\u4e4b\u95f4\u4f20\u8f93\u3002\u4f8b\u5982\uff0cMODEM \u8bbe\u5907\u901a\u8fc7\u7535\u8bdd\u7ebf\u5c06\u6570\u5b57\u4fe1\u53f7\u8f6c\u6362\u4e3a\u6a21\u62df\u4fe1\u53f7\uff0c\u7136\u540e\u901a\u8fc7\u7535\u8bdd\u7ebf\u8fdb\u884c\u4f20\u8f93\uff0c\u4ee5\u8fde\u63a5\u5230\u4e92\u8054\u7f51\u3002<br>DTE (Data Terminal Equipment)\u6307\u7684\u662f\u7ec8\u7aef\u8bbe\u5907\uff0c\u4f8b\u5982\u7535\u8111\u3001\u7ec8\u7aef\u3001\u6253\u5370\u673a\u7b49\u3002\u5728\u901a\u4fe1\u4e2d\uff0cDTE \u65e2\u53ef\u4ee5\u63a5\u6536\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u53d1\u9001\u6570\u636e\uff0c\u4f46\u5fc5\u987b\u901a\u8fc7\u901a\u4fe1\u7ebf\u8def\u4e0e DCE \u8fdb\u884c\u8fde\u63a5\u3002<br>\u5728\u6570\u636e\u901a\u4fe1\u4e2d\uff0cDCE \u548c DTE \u901a\u5e38\u901a\u8fc7\u4e32\u884c\u901a\u4fe1\u7ebf\uff08\u4f8b\u5982 RS-232\u3001V.35 \u6216 X.21\uff09\u8fdb\u884c\u8fde\u63a5\uff0cDCE \u7aef\u5e38\u5e38\u4e3a\u5bf9\u65b9\u63d0\u4f9b\u65f6\u949f\u540c\u6b65\u4fe1\u53f7\u3002\u4e00\u4e9b\u5e38\u89c1\u7684 DCE \u8bbe\u5907\u5305\u62ec\u8c03\u5236\u89e3\u8c03\u5668\u3001CSU (Channel Service Unit)\u3001DSU (Data Service Unit) \u7b49\u3002<br>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u76f8\u540c\u7684\u8bbe\u5907\u53ef\u80fd\u5728\u4e0d\u540c\u60c5\u51b5\u4e0b\u88ab\u89c6\u4e3a DTE \u6216 DCE\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u4e32\u53e3\u53ef\u4ee5\u8fde\u63a5\u5230\u4e00\u4e2a\u8c03\u5236\u89e3\u8c03\u5668\u4f5c\u4e3a DTE\uff0c\u4e5f\u53ef\u4ee5\u8fde\u63a5\u5230\u4e00\u4e2a\u8ba1\u7b97\u673a\u4f5c\u4e3a DCE\u3002\u5728\u672c\u6b21\u5b9e\u9a8c\u4e2d\uff0cR1\u4e3a\u5206\u652f\u673a\u6784\u63a5\u5165\u7f51\u5173\u8bbe\u5907\uff08DCE\uff09\uff0cR2\u4e3a\u4f01\u4e1a\u603b\u90e8\u63a5\u5165\u7ec8\u7aef\u7f51\u5173\u8bbe\u5907\uff08DTE\uff09\uff0cclock rate 128000 \u547d\u4ee4\u4ec5\u5728 DCE \u8bbe\u5907\u4e0a\u4f7f\u7528\uff0c\u8868\u793a DCE \u8bbe\u5907\u8981\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\u7684\u901f\u7387\u3002\u5728\u8fd9\u91cc\uff0c\u53e6\u4e00\u7aef\u662f\u4e00\u4e2a DTE \u8bbe\u5907\uff0c\u65e0\u9700\u4f7f\u7528 clock rate \u547d\u4ee4\u3002<br>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n<\/blockquote>\n\n\n\n<p>\u914d\u7f6ePC-1\u548cPC-2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>PC-1&gt; ip 192.168.3.2\/24 192.168.3.1\nPC-2&gt; ip 192.168.4.2\/24 192.168.4.1<\/code><\/pre>\n\n\n\n<p><br>\u6293\u5305\u5206\u6790\uff1a<br>\u5728R1\u548cR2\u7684\u94fe\u8def\u4e0a\u53f3\u952estart capture<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"502\" height=\"186\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-48.png\" alt class=\"wp-image-4937\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-48.png 502w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-48-300x111.png 300w\" sizes=\"(max-width: 502px) 100vw, 502px\"><\/noscript><img decoding=\"async\" width=\"502\" height=\"186\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20502%20186%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4937 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20502%20186%22%3E%3C%2Fsvg%3E 502w\" sizes=\"(max-width: 502px) 100vw, 502px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-48.png 502w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-48-300x111.png 300w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-48.png\"><\/figure>\n\n\n\n<h1 class=\"wp-block-heading\"><\/h1>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5f00\u542fR1\u7684\u94fe\u8def\n\nR1(config)#interface s0\/0\nR1(config-if)#no shutdown\n\n\u5f00\u542fR2\u7684\u94fe\u8def\n\nR2(config)#interface s0\/0\nR2(config-if)#no shutdown\n<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"848\" height=\"583\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-49.png\" alt class=\"wp-image-4938\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49.png 848w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49-300x206.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49-768x528.png 768w\" sizes=\"(max-width: 848px) 100vw, 848px\"><\/noscript><img decoding=\"async\" width=\"848\" height=\"583\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20848%20583%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4938 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20848%20583%22%3E%3C%2Fsvg%3E 848w\" sizes=\"(max-width: 848px) 100vw, 848px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49.png 848w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49-300x206.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-49-768x528.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-49.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><noscript><img decoding=\"async\" width=\"897\" height=\"271\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-50.png\" alt class=\"wp-image-4939\" style=\"width:841px;height:auto\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50-300x91.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50-768x232.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\"><\/noscript><img decoding=\"async\" width=\"897\" height=\"271\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20271%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4939 lazyload\" style=\"width:841px;height:auto\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20271%22%3E%3C%2Fsvg%3E 897w\" sizes=\"(max-width: 897px) 100vw, 897px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50-300x91.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-50-768x232.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-50.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"897\" height=\"272\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-51.png\" alt class=\"wp-image-4940\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51-300x91.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51-768x233.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\"><\/noscript><img decoding=\"async\" width=\"897\" height=\"272\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20272%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4940 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20272%22%3E%3C%2Fsvg%3E 897w\" sizes=\"(max-width: 897px) 100vw, 897px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51-300x91.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-51-768x233.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-51.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"894\" height=\"243\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-52.png\" alt class=\"wp-image-4941\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52.png 894w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52-300x82.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52-768x209.png 768w\" sizes=\"(max-width: 894px) 100vw, 894px\"><\/noscript><img decoding=\"async\" width=\"894\" height=\"243\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20894%20243%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4941 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20894%20243%22%3E%3C%2Fsvg%3E 894w\" sizes=\"(max-width: 894px) 100vw, 894px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52.png 894w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52-300x82.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-52-768x209.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-52.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"897\" height=\"249\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-53.png\" alt class=\"wp-image-4942\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53-300x83.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53-768x213.png 768w\" sizes=\"(max-width: 897px) 100vw, 897px\"><\/noscript><img decoding=\"async\" width=\"897\" height=\"249\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20249%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4942 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20897%20249%22%3E%3C%2Fsvg%3E 897w\" sizes=\"(max-width: 897px) 100vw, 897px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53.png 897w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53-300x83.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-53-768x213.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-53.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"896\" height=\"590\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-54.png\" alt class=\"wp-image-4943\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54.png 896w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54-300x198.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54-768x506.png 768w\" sizes=\"(max-width: 896px) 100vw, 896px\"><\/noscript><img decoding=\"async\" width=\"896\" height=\"590\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20896%20590%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4943 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20896%20590%22%3E%3C%2Fsvg%3E 896w\" sizes=\"(max-width: 896px) 100vw, 896px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54.png 896w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54-300x198.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-54-768x506.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-54.png\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><noscript><img decoding=\"async\" width=\"893\" height=\"224\" src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-55.png\" alt class=\"wp-image-4944\" srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55.png 893w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55-300x75.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55-768x193.png 768w\" sizes=\"(max-width: 893px) 100vw, 893px\"><\/noscript><img decoding=\"async\" width=\"893\" height=\"224\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20893%20224%22%3E%3C%2Fsvg%3E\" alt class=\"wp-image-4944 lazyload\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%20893%20224%22%3E%3C%2Fsvg%3E 893w\" sizes=\"(max-width: 893px) 100vw, 893px\" data-srcset=\"https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55.png 893w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55-300x75.png 300w, https:\/\/www.xinyixx.com\/wp-content\/uploads\/2024\/04\/image-55-768x193.png 768w\" data-src=\"http:\/\/101.42.96.217:21080\/wp-content\/uploads\/2024\/04\/image-55.png\"><\/figure>\n\n\n\n<p>\u2757 \u8f6c\u8f7d\u8bf7\u6ce8\u660e\u51fa\u5904<br>\u4f5c\u8005\uff1aHinsCoder<br>\u535a\u5ba2\u94fe\u63a5\uff1a\ud83d\udd0e \u4f5c\u8005\u535a\u5ba2\u4e3b\u9875<br>\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014\u2014<\/p>\n\n\n\n<p>\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/blog.csdn.net\/HinsCoder\/article\/details\/130781224<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u76ee\u5f55\ud83d\udd52 1. 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