{"id":306,"date":"2025-09-12T14:42:35","date_gmt":"2025-09-12T06:42:35","guid":{"rendered":"http:\/\/www.tgwttt.xyz\/?p=306"},"modified":"2025-11-24T16:37:07","modified_gmt":"2025-11-24T08:37:07","slug":"%e7%bd%91%e7%bb%9c%e5%9f%ba%e7%a1%80","status":"publish","type":"post","link":"https:\/\/www.tgwttt.xyz\/?p=306","title":{"rendered":"\u7f51\u7edc\u57fa\u7840"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">1.\u8ba1\u7b97\u673a\u2f79\u7edc\u80cc\u666f<\/h2>\n\n\n\n<p><strong>\u7f51\u7edc\u53d1\u5c55\uff1a<\/strong><br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"790\" height=\"574\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image.png\" alt=\"\" class=\"wp-image-307\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image.png 790w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-300x218.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-768x558.png 768w\" sizes=\"auto, (max-width: 790px) 100vw, 790px\" \/><\/figure>\n\n\n\n<p>\u2f79\u7edc\u4e92\u8054: \u591a\u53f0\u8ba1\u7b97\u673a\u8fde\u63a5\u5728\u2f00\u8d77, \u5b8c\u6210\u6570\u636e\u5171\u4eab;<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"679\" height=\"499\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-1.png\" alt=\"\" class=\"wp-image-308\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-1.png 679w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-1-300x220.png 300w\" sizes=\"auto, (max-width: 679px) 100vw, 679px\" \/><\/figure>\n\n\n\n<p>\u5c40\u57df\u2f79LAN: \u8ba1\u7b97\u673a\u6570\u91cf\u66f4\u591a\u4e86, \u901a\u8fc7\u4ea4\u6362\u673a\u548c\u8def\u7531\u5668\u8fde\u63a5\u5728\u2f00\u8d77;<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"430\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-2-1024x430.png\" alt=\"\" class=\"wp-image-309\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-2-1024x430.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-2-300x126.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-2-768x322.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-2.png 1087w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u2f34\u57df\u2f79WAN: \u5c06\u8fdc\u9694\u5343\u2fa5\u7684\u8ba1\u7b97\u673a\u90fd\u8fde\u5728\u2f00\u8d77;<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1016\" height=\"406\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-3.png\" alt=\"\" class=\"wp-image-310\" 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<\/p>\n\n\n\n<p>ISO\uff08\u56fd\u9645\u6807\u51c6\u5316\u7ec4\u7ec7\uff09\uff1aISO\u662f\u7531\u591a\u4e2a\u56fd\u5bb6\u7684\u6807\u51c6\u5316\u56e2\u4f53\u7ec4\u6210\u7684\u56fd\u9645\u7ec4\u7ec7\uff0c\u5b83\u5728\u5f00\u653e\u7cfb\u7edf\u4e92\u8fde\uff08OSI\uff09\u6a21\u578b\u2f45\u2faf\u7684\u2f2f\u4f5c\u5c24\u4e3a\u8457\u540d\u3002OSI\u6a21\u578b\u5b9a\u4e49\u4e86\u2f79\u7edc\u901a\u4fe1\u7684\u4e03\u5c42\u534f\u8bae\u7ed3\u6784\uff0c\u5c3d\u7ba1\u5728\u5b9e\u9645\u5e94\u2f64\u4e2d\uff0cTCP\/IP\u534f\u8bae\u65cf\u66f4\u4e3a\u666e\u904d\uff0c\u4f46OSI\u6a21\u578b\u4ecd\u7136\u5728\u5b66\u672f\u548c\u7406\u8bba\u7814\u7a76\u4e2d\u5360\u6709\u91cd\u8981\u5730\u4f4d\u3002 <\/p>\n\n\n\n<p> ITU\uff08\u56fd\u9645\u7535\u4fe1\u8054\u76df\uff09\uff1aITU\u662f\u8054\u5408\u56fd\u4e0b\u5c5e\u7684\u4e13\u2ed4\u673a\u6784\uff0c\u8d1f\u8d23\u5236\u5b9a\u7535\u4fe1\u9886\u57df\u7684\u56fd\u9645\u6807\u51c6\u3002ITU-T\u5236\u5b9a\u7684\u6807\u51c6\u6db5\u76d6\u4e86\u7535\u8bdd\u548c\u2f79\u7edc\u901a\u4fe1\uff0c\u4e0eISO\u5408\u4f5c\u786e\u4fdd\u4e86\u901a\u4fe1\u6280\u672f\u7684\u5168\u7403\u517c\u5bb9\u6027\u548c\u4e92\u64cd\u4f5c\u6027\u3002 <\/p>\n\n\n\n<p>2. \u533a\u57df\u6807\u51c6\u5316\u7ec4\u7ec7\uff1aETSI\uff08\u6b27\u6d32\u7535\u4fe1\u6807\u51c6\u5b66\u4f1a\uff09\uff1a\u7531\u6b27\u6d32\u5171\u540c\u4f53\u5404\u56fd\u653f\u5e9c\u8d44\u52a9\uff0c\u662f\u2f00\u4e2a\u7531\u7535\u4fe1\u2f8f\u4e1a\u7684\u2f1a\u5546\u4e0e\u7814\u7a76\u673a\u6784\u53c2\u52a0\u5e76\u4ece\u4e8b\u7814\u7a76\u5f00\u53d1\u5230\u6807\u51c6\u5236\u5b9a\u7684\u7ec4\u7ec7\u3002<\/p>\n\n\n\n<p> 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loading=\"lazy\" decoding=\"async\" width=\"646\" height=\"683\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-4.png\" alt=\"\" class=\"wp-image-311\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-4.png 646w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-4-284x300.png 284w\" sizes=\"auto, (max-width: 646px) 100vw, 646px\" \/><\/figure>\n\n\n\n<p>\u5728\u8fd9\u4e2a\u4f8b\u2f26\u4e2d, \u6211\u4eec\u7684&#8221;\u534f\u8bae&#8221;\u53ea\u6709\u4e24\u5c42:\u8bed\u2f94\u5c42\u3001\u901a\u4fe1\u8bbe\u5907\u5c42\u3002 <\/p>\n\n\n\n<p>\u4f46\u662f\u5b9e\u9645\u7684\u2f79\u7edc\u901a\u4fe1\u534f\u8bae\uff0c\u8bbe\u8ba1\u7684\u4f1a\u66f4\u52a0\u590d\u6742, \u9700\u8981\u5206\u66f4\u591a\u7684\u5c42 <\/p>\n\n\n\n<p>\u4f46\u662f\u901a\u8fc7\u4e0a\u2faf\u7684\u7b80\u5355\u4f8b\u2f26\uff0c\u6211\u4eec\u662f\u80fd\u7406\u89e3\uff0c\u5206\u5c42\u53ef\u4ee5\u5b9e\u73b0\u89e3\u8026\u5408\uff0c\u8ba9\u8f6f\u4ef6\u7ef4\u62a4\u7684\u6210\u672c\u66f4\u4f4e<\/p>\n\n\n\n<p><strong>OSI\u4e03\u5c42\u6a21\u578b<\/strong>\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"629\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-5-1024x629.png\" alt=\"\" class=\"wp-image-312\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-5-1024x629.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-5-300x184.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-5-768x472.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-5.png 1405w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>OSI\uff08Open System Interconnection\uff0c\u5f00\u653e\u7cfb\u7edf\u4e92\u8fde\uff09\u4e03\u5c42\u2f79\u7edc\u6a21\u578b\u79f0\u4e3a\u5f00\u653e\u5f0f\u7cfb\u7edf\u4e92\u8054\u53c2\u8003\u6a21\u578b\uff0c\u662f\u2f00\u4e2a\u903b\u8f91\u4e0a\u7684\u5b9a\u4e49\u548c\u89c4\u8303; <\/p>\n\n\n\n<p>\u628a\u2f79\u7edc\u4ece\u903b\u8f91\u4e0a\u5206\u4e3a\u4e867\u5c42. \u6bcf\u2f00\u5c42\u90fd\u6709\u76f8\u5173\u3001\u76f8\u5bf9\u5e94\u7684\u7269\u7406\u8bbe\u5907\uff0c\u2f50\u5982\u8def\u7531\u5668\uff0c\u4ea4\u6362\u673a; <\/p>\n\n\n\n<p> OSI \u4e03\u5c42\u6a21\u578b\u662f\u2f00\u79cd\u6846\u67b6\u6027\u7684\u8bbe\u8ba1\u2f45\u6cd5\uff0c\u5176\u6700\u4e3b\u8981\u7684\u529f\u80fd\u4f7f\u5c31\u662f\u5e2e\u52a9\u4e0d\u540c\u7c7b\u578b\u7684\u4e3b\u673a\u5b9e\u73b0\u6570\u636e\u4f20\u8f93;<\/p>\n\n\n\n<p>\u5b83\u7684\u6700\u2f24\u4f18\u70b9\u662f\u5c06\u670d\u52a1\u3001\u63a5\u2f1d\u548c\u534f\u8bae\u8fd9\u4e09\u4e2a\u6982\u5ff5\u660e\u786e\u5730\u533a\u5206\u5f00\u6765\uff0c\u6982\u5ff5\u6e05\u695a\uff0c\u7406\u8bba\u4e5f\u2f50\u8f83\u5b8c\u6574. \u901a\u8fc7\u4e03\u4e2a\u5c42\u6b21\u5316\u7684\u7ed3\u6784\u6a21\u578b\u4f7f\u4e0d\u540c\u7684\u7cfb\u7edf\u4e0d\u540c\u7684\u2f79\u7edc\u4e4b\u95f4\u5b9e\u73b0\u53ef\u9760\u7684\u901a\u8baf; <\/p>\n\n\n\n<p> \u4f46\u662f, \u5b83\u65e2\u590d\u6742\u2f1c\u4e0d\u5b9e\u2f64; \u6240\u4ee5\u6211\u4eec\u6309\u7167TCP\/IP\u56db\u5c42\u6a21\u578b\u6765\u8bb2\u89e3.<\/p>\n\n\n\n<p><br>\u5176\u5b9e\u5728\u2f79\u7edc\u2ec6\u5ea6\uff0cOSI\u5b9a\u7684\u534f\u8bae7\u5c42\u6a21\u578b\u5176\u5b9e\u2fae\u5e38\u5b8c\u5584\uff0c\u4f46\u662f\u5728\u5b9e\u9645\u64cd\u4f5c\u7684\u8fc7\u7a0b\u4e2d\uff0c\u4f1a\u8bdd\u5c42\u3001\u8868\u2f70\u5c42\u662f\u4e0d\u53ef\u80fd\u63a5\u2f0a\u5230\u64cd\u4f5c\u7cfb\u7edf\u4e2d\u7684\uff0c\u6240\u4ee5\u5728\u2f2f\u7a0b\u5b9e\u8df5\u4e2d\uff0c\u6700\u7ec8\u843d\u5730\u7684\u662f5\u5c42\u534f\u8bae\u3002 <\/p>\n\n\n\n<p>\u4f46\u662f\u8981\u7406\u89e3\u4e0a\u2faf\u7684\u8bdd\uff0c\u9700\u8981\u6211\u4eec\u5b66\u4e60\u5b8c\u2f79\u7edc\u624d\u53ef\u4ee5\u7406\u89e3\uff0c\u8fd9\u2fa5\u5c31\u77e5\u9053\u5c31\u53ef\u4ee5<\/p>\n\n\n\n<p><strong>TCP\/IP\u4e94\u5c42(\u6216\u56db\u5c42)\u6a21\u578b<\/strong><br>TCP\/IP\u662f\u2f00\u7ec4\u534f\u8bae\u7684\u4ee3\u540d\u8bcd\uff0c\u5b83\u8fd8\u5305\u62ec\u8bb8\u591a\u534f\u8bae\uff0c\u7ec4\u6210\u4e86TCP\/IP\u534f\u8bae\u7c07. <\/p>\n\n\n\n<p>TCP\/IP\u901a\u8baf\u534f\u8bae\u91c7\u2f64\u4e865\u5c42\u7684\u5c42\u7ea7\u7ed3\u6784\uff0c\u6bcf\u2f00\u5c42\u90fd\u547c\u53eb\u5b83\u7684\u4e0b\u2f00\u5c42\u6240\u63d0\u4f9b\u7684\u2f79\u7edc\u6765\u5b8c\u6210\u2f83\u2f30\u7684\u9700\u6c42. <\/p>\n\n\n\n<p> \u7269\u7406\u5c42: \u8d1f\u8d23\u5149\/\u7535\u4fe1\u53f7\u7684\u4f20\u9012\u2f45\u5f0f. \u2f50\u5982\u73b0\u5728\u4ee5\u592a\u2f79\u901a\u2f64\u7684\u2f79\u7ebf(\u53cc\u7ede \u7ebf)\u3001\u65e9\u671f\u4ee5\u592a\u2f79\u91c7\u2f64\u7684\u7684\u540c\u8f74\u7535\u7f06(\u73b0\u5728\u4e3b\u8981\u2f64\u4e8e\u6709\u7ebf\u7535\u89c6)\u3001\u5149\u7ea4, \u73b0\u5728\u7684wifi\u2f46\u7ebf\u2f79\u4f7f\u2f64\u7535\u78c1\u6ce2\u7b49\u90fd\u5c5e\u4e8e\u7269\u7406\u5c42\u7684\u6982\u5ff5\u3002\u7269\u7406\u5c42\u7684\u80fd\u2f12\u51b3\u5b9a\u4e86\u6700\u2f24\u4f20\u8f93\u901f\u7387\u3001\u4f20\u8f93\u8ddd\u79bb\u3001\u6297\u2f32\u6270\u6027\u7b49. \u96c6\u7ebf\u5668(Hub)\u2f2f\u4f5c\u5728\u7269\u7406\u5c42. <\/p>\n\n\n\n<p> \u6570\u636e\u94fe\u8def\u5c42: \u8d1f\u8d23\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u5e27\u7684\u4f20\u9001\u548c\u8bc6\u522b. \u4f8b\u5982\u2f79\u5361\u8bbe\u5907\u7684\u9a71\u52a8\u3001\u5e27\u540c\u6b65(\u5c31\u662f\u8bf4\u4ece\u2f79\u7ebf\u4e0a\u68c0\u6d4b\u5230\u4ec0\u4e48\u4fe1\u53f7\u7b97\u4f5c\u65b0\u5e27\u7684\u5f00\u59cb)\u3001\u51b2\u7a81\u68c0\u6d4b(\u5982\u679c\u68c0\u6d4b\u5230\u51b2\u7a81\u5c31\u2f83\u52a8\u91cd\u53d1)\u3001\u6570\u636e\u5dee\u9519\u6821\u9a8c\u7b49\u2f2f\u4f5c. \u6709\u4ee5\u592a\u2f79\u3001\u4ee4\u724c\u73af\u2f79, \u2f46\u7ebfLAN\u7b49\u6807\u51c6. \u4ea4\u6362\u673a(Switch)\u2f2f\u4f5c\u5728\u6570\u636e\u94fe\u8def\u5c42. <\/p>\n\n\n\n<p>\u2f79\u7edc\u5c42: \u8d1f\u8d23\u5730\u5740\u7ba1\u7406\u548c\u8def\u7531\u9009\u62e9. \u4f8b\u5982\u5728IP\u534f\u8bae\u4e2d, \u901a\u8fc7IP\u5730\u5740\u6765\u6807\u8bc6\u2f00\u53f0\u4e3b\u673a, \u5e76\u901a\u8fc7\u8def\u7531\u8868\u7684\u2f45\u5f0f\u89c4\u5212\u51fa\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93\u7684\u7ebf\u8def(\u8def\u7531). \u8def\u7531\u5668(Router)\u2f2f\u4f5c\u5728\u2f79\u8def\u5c42. <\/p>\n\n\n\n<p>\u4f20\u8f93\u5c42: \u8d1f\u8d23\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93. \u5982\u4f20\u8f93\u63a7\u5236\u534f\u8bae (TCP), \u80fd\u591f\u786e\u4fdd\u6570\u636e\u53ef\u9760\u7684\u4ece\u6e90\u4e3b\u673a\u53d1\u9001\u5230\u2f6c\u6807\u4e3b\u673a. <\/p>\n\n\n\n<p>\u5e94\u2f64\u5c42: \u8d1f\u8d23\u5e94\u2f64\u7a0b\u5e8f\u95f4\u6c9f\u901a\uff0c\u5982\u7b80\u5355\u7535\u2f26\u90ae\u4ef6\u4f20\u8f93\uff08SMTP\uff09\u3001\u2f42\u4ef6\u4f20\u8f93\u534f\u8bae\uff08FTP\uff09\u3001\u2f79\u7edc\u8fdc\u7a0b\u8bbf\u95ee\u534f\u8bae\uff08Telnet\uff09\u7b49. \u6211\u4eec\u7684\u2f79\u7edc\u7f16\u7a0b\u4e3b\u8981\u5c31\u662f\u9488\u5bf9\u5e94\u2f64\u5c42.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"651\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-7-1024x651.png\" alt=\"\" class=\"wp-image-314\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-7-1024x651.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-7-300x191.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-7-768x488.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-7.png 1190w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u7269\u7406\u5c42\u6211\u4eec\u8003\u8651\u7684\u2f50\u8f83\u5c11\uff0c\u6211\u4eec\u53ea\u8003\u8651\u8f6f\u4ef6\u76f8\u5173\u7684\u5185\u5bb9. \u56e0\u6b64\u5f88\u591a\u65f6\u5019\u6211\u4eec\u76f4\u63a5\u79f0\u4e3a TCP\/IP\u56db\u5c42\u6a21\u578b. <\/p>\n\n\n\n<p>\u2f00\u822c\u2f7d\u2f94\uff1a<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u2f00\u53f0\u4e3b\u673a, \u5b83\u7684\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u5b9e\u73b0\u4e86\u4ece\u4f20\u8f93\u5c42\u5230\u7269\u7406\u5c42\u7684\u5185\u5bb9; <\/p>\n\n\n\n<p>\u5bf9\u4e8e\u2f00\u53f0\u8def\u7531\u5668, \u5b83\u5b9e\u73b0\u4e86\u4ece\u2f79\u7edc\u5c42\u5230\u7269\u7406\u5c42; <\/p>\n\n\n\n<p>\u5bf9\u4e8e\u2f00\u53f0\u4ea4\u6362\u673a, \u5b83\u5b9e\u73b0\u4e86\u4ece\u6570\u636e\u94fe\u8def\u5c42\u5230\u7269\u7406\u5c42; <\/p>\n\n\n\n<p> \u5bf9\u4e8e\u96c6\u7ebf\u5668, \u5b83\u53ea\u5b9e\u73b0\u4e86\u7269\u7406\u5c42;<\/p>\n\n\n\n<p><br><strong>\u518d\u8bc6\u534f\u8bae<\/strong>\uff1a<br>\u4e3a\u4ec0\u4e48\u8981\u6709TCP\/IP\u534f\u8bae\uff1f<br>\u2fb8\u5148\uff0c\u5373\u4fbf\u662f\u5355\u673a\uff0c\u4f60\u7684\u8ba1\u7b97\u673a\u5185\u90e8\uff0c\u5176\u5b9e\u90fd\u662f\u5b58\u5728\u534f\u8bae\u7684\uff0c\u2f50\u5982\uff1a\u5176\u4ed6\u8bbe\u5907\u548c\u5185\u5b58\u901a\u4fe1\uff0c\u4f1a\u6709\u5185\u5b58\u534f\u8bae\u3002\u5176\u4ed6\u8bbe\u5907\u548c\u78c1\u76d8\u901a\u4fe1\uff0c\u4f1a\u6709\u78c1\u76d8\u76f8\u5173\u7684\u534f\u8bae\uff0c\u2f50\u5982\uff1aSATA\uff0cIDE\uff0cSCSI\u7b49\u3002\u53ea\u4e0d\u8fc7\u6211\u4eec\u611f\u77e5\u4e0d\u5230\u7f62\u4e86\u3002\u2f7d\u4e14\u8fd9\u4e9b\u534f\u8bae\u90fd\u5728\u672c\u5730\u4e3b\u673a\u5404\u2f83\u7684\u786c\u4ef6\u4e2d\uff0c\u901a\u4fe1\u7684\u6210\u672c\u3001\u95ee\u9898\u2f50\u8f83\u5c11\u3002<\/p>\n\n\n\n<p>\u5176\u6b21\uff0c\u2f79\u7edc\u901a\u4fe1\u6700\u2f24\u7684\u7279\u70b9\u5c31\u662f\u4e3b\u673a\u4e4b\u95f4\u53d8\u8fdc\u4e86\u3002\u4efb\u4f55\u901a\u4fe1\u7279\u5f81\u7684\u53d8\u5316\uff0c\u2f00\u5b9a\u4f1a\u5e26\u6765\u65b0\u7684\u95ee\u9898\uff0c\u6709\u95ee\u9898\u5c31\u5f97\u89e3\u51b3\u95ee\u9898\uff0c\u6240\u4ee5\u9700\u8981\u65b0\u7684\u534f\u8bae\u54af\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"807\" height=\"460\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-9.png\" alt=\"\" class=\"wp-image-316\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-9.png 807w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-9-300x171.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-9-768x438.png 768w\" sizes=\"auto, (max-width: 807px) 100vw, 807px\" \/><\/figure>\n\n\n\n<p>\u6240\u4ee5\uff0c\u4e3a\u4ec0\u4e48\u8981\u6709TCP\/IP\u534f\u8bae\uff1f\u672c\u8d28\u5c31\u662f\u901a\u4fe1\u4e3b\u673a\u8ddd\u79bb\u53d8\u8fdc\u4e86<br>\u4ec0\u4e48\u662fTCP\/IP\u534f\u8bae\uff1f <\/p>\n\n\n\n<p> TCP\/IP\u534f\u8bae\u7684\u672c\u8d28\u662f\u2f00\u79cd\u89e3\u51b3\u2f45\u6848 <\/p>\n\n\n\n<p> TCP\/IP\u534f\u8bae\u80fd\u5206\u5c42\uff0c\u524d\u63d0\u662f\u56e0\u4e3a\u95ee\u9898\u4eec\u672c\u2f9d\u80fd\u5206\u5c42<\/p>\n\n\n\n<p><strong>TCP\/IP\u534f\u8bae\u4e0e\u64cd\u4f5c\u7cfb\u7edf\u7684\u5173\u7cfb(\u5b8f\u89c2\u4e0a\uff0c\u600e\u4e48\u5b9e\u73b0\u7684)<\/strong><br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"347\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11-1024x347.png\" alt=\"\" class=\"wp-image-318\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11-1024x347.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11-300x102.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11-768x260.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11-1536x520.png 1536w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-11.png 1908w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p><strong>\u534f\u8bae\u7684\u6734\u7d20\u7406\u89e3\uff1a\u6240\u8c13\u534f\u8bae\uff0c\u5c31\u662f\u901a\u4fe1\u53cc\u2f45\u90fd\u8ba4\u8bc6\u7684\u7ed3\u6784\u5316\u7684\u6570\u636e\u7c7b\u578b<\/strong><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2f79\u7edc\u4f20\u8f93\u57fa\u672c\u6d41\u7a0b<br><\/h2>\n\n\n\n<p><strong>\u5c40\u57df\u2f79\u2f79\u7edc\u4f20\u8f93\u6d41\u7a0b\u56fe<\/strong><\/p>\n\n\n\n<p><strong>\u5c40\u57df\u2f79(\u4ee5\u592a\u2f79\u4e3a\u4f8b)\u901a\u4fe1\u539f\u7406<\/strong><br>\u8ba4\u8bc6MAC\u5730\u5740:<\/p>\n\n\n\n<p>MAC\u5730\u5740\uff08Media Access Control Address\uff09\u662f\u56fa\u5316\u5728\u7f51\u5361\u91cc\u7684\u7269\u7406\u5730\u5740\uff0c\u7528\u6765\u5728\u5c40\u57df\u7f51\uff08LAN\uff09\u91cc\u552f\u4e00\u6807\u8bc6\u4e00\u5757\u7f51\u5361\u3002<br>\u53ef\u4ee5\u628a\u5b83\u770b\u6210\u7f51\u5361\u7684\u201c\u8eab\u4efd\u8bc1\u53f7\u201d\uff0c\u51fa\u5382\u5c31\u70e7\u8fdb\u53bb\u4e86\uff0c\u5168\u7403\u7406\u8bba\u4e0a\u552f\u4e00\u3002<\/p>\n\n\n\n<p>MAC\u5730\u5740\u2f64\u6765\u8bc6\u522b\u6570\u636e\u94fe\u8def\u5c42\u4e2d\u76f8\u8fde\u7684\u8282\u70b9; <\/p>\n\n\n\n<p>\u2ed3\u5ea6\u4e3a 48 \u2f50\u7279\u4f4d, \u5373 6 \u4e2a\u5b57\u8282. \u2f00\u822c\u2f64 16 \u8fdb\u5236\u6570\u5b57\u52a0\u4e0a\u5192\u53f7\u7684\u5f62\u5f0f\u6765\u8868\u2f70(\u4f8b\u5982: 08:00:27:03:fb:19) <\/p>\n\n\n\n<p>\u5728\u2f79\u5361\u51fa\u2f1a\u65f6\u5c31\u786e\u5b9a\u4e86, \u4e0d\u80fd\u4fee\u6539. mac\u5730\u5740\u901a\u5e38\u662f\u552f\u2f00\u7684(\u865a\u62df\u673a\u4e2d\u7684mac\u5730\u5740\u4e0d\u662f\u771f\u5b9e\u7684mac\u5730\u5740, \u53ef\u80fd\u4f1a\u51b2\u7a81; \u4e5f\u6709\u4e9b\u2f79\u5361\u2f40\u6301\u2f64\u2f3e\u914d\u7f6emac\u5730\u5740). <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"492\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-12-1024x492.png\" alt=\"\" class=\"wp-image-319\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-12-1024x492.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-12-300x144.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-12-768x369.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-12.png 1498w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u5c40\u57df\u2f79\u901a\u4fe1\u539f\u7406:<\/p>\n\n\n\n<p>\u201c\u5728\u540c\u4e00\u6761\u2018\u5171\u4eab\u7535\u7f06\u2019\uff08\u6216\u65e0\u7ebf\u9891\u70b9\uff09\u91cc\uff0c\u7528 MAC \u5730\u5740\u5f53\u2018\u95e8\u724c\u2019\uff0c\u9760\u4ea4\u6362\u673a\/\u65e0\u7ebf AP \u505a\u2018\u5bbf\u7ba1\u2019\uff0c\u628a\u4ee5\u592a\u7f51\u5e27\uff08\u6216 802.11 \u5e27\uff09\u51c6\u786e\u585e\u5230\u76ee\u6807\u7f51\u5361\u3002\u201d<br>\u521d\u6b65\u660e\u2f69\u4e86\u5c40\u57df\u2f79\u901a\u4fe1\u539f\u7406\uff0c\u518d\u6765\u770b\u540c\u2f00\u4e2a\u2f79\u6bb5\u5185\u7684\u4e24\u53f0\u4e3b\u673a\u8fdb\u2f8f\u53d1\u9001\u6d88\u606f\u7684\u8fc7\u7a0b:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"837\" height=\"472\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-13.png\" alt=\"\" class=\"wp-image-320\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-13.png 837w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-13-300x169.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-13-768x433.png 768w\" sizes=\"auto, (max-width: 837px) 100vw, 837px\" \/><\/figure>\n\n\n\n<p>\u2f7d\u5176\u4e2d\u6bcf\u5c42\u90fd\u6709\u534f\u8bae\uff0c\u6240\u4ee5\u5f53\u6211\u8fdb\u2f8f\u8fdb\u2f8f\u4e0a\u8ff0\u4f20\u8f93\u6d41\u7a0b\u7684\u65f6\u5019\uff0c\u8981\u8fdb\u2f8f\u5c01\u88c5\u548c\u89e3\u5305<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"310\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14-1024x310.png\" alt=\"\" class=\"wp-image-321\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14-1024x310.png 1024w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14-300x91.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14-768x232.png 768w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14-1536x465.png 1536w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-14.png 1696w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u62a5\u5934\u90e8\u5206\uff0c\u5c31\u662f\u5bf9\u5e94\u534f\u8bae\u5c42\u7684\u7ed3\u6784\u4f53\u5b57\u6bb5\uff0c\u6211\u4eec\u2f00\u822c\u53eb\u505a\u62a5\u5934<\/p>\n\n\n\n<p>\u9664\u4e86\u62a5\u5934\uff0c\u5269\u4e0b\u7684\u53eb\u505a\u6709\u6548\u8f7d\u8377<\/p>\n\n\n\n<p>\u6240\u4ee5\u62a5\u2f42  \u62a5\u5934 + \u6709\u6548\u8f7d\u8377<\/p>\n\n\n\n<p>\u50cf\u4e0a\u9762\u5e94\u7528\u5c42\uff1a\u5e94\u7528\u5c42\u62a5\u5934\u5c31\u662f\u6b64\u5c42\u7684\u62a5\u5934\u5176\u4f59\u4e3a\u6709\u6548\u8f7d\u8377<\/p>\n\n\n\n<p>\u4e0d\u540c\u7684\u534f\u8bae\u5c42\u5bf9\u6570\u636e\u5305\u6709\u4e0d\u540c\u7684\u79f0\u8c13\uff1a\u5728\u4f20\u8f93\u5c42\u53eb\u505a\u6bb5(segment)\u5728\u2f79\u7edc\u5c42\u53eb\u505a\u6570\u636e\u62a5 (datagram)\u5728\u94fe\u8def\u5c42\u53eb\u505a\u5e27(frame). <\/p>\n\n\n\n<p> \u5e94\u2f64\u5c42\u6570\u636e\u901a\u8fc7\u534f\u8bae\u6808\u53d1\u5230\u2f79\u7edc\u4e0a\u65f6,\u6bcf\u5c42\u534f\u8bae\u90fd\u8981\u52a0\u4e0a\u2f00\u4e2a\u6570\u636e\u2fb8\u90e8(header),\u79f0\u4e3a\u5c01\u88c5(Encapsulation). <\/p>\n\n\n\n<p> \u2fb8\u90e8\u4fe1\u606f\u4e2d\u5305\u542b\u4e86\u2f00\u4e9b\u7c7b\u4f3c\u4e8e\u2fb8\u90e8\u6709\u591a\u2ed3, \u8f7d\u8377(payload)\u6709\u591a\u2ed3, \u4e0a\u5c42\u534f\u8bae\u662f\u4ec0\u4e48\u7b49\u4fe1\u606f. <\/p>\n\n\n\n<p> \u6570\u636e\u5c01\u88c5\u6210\u5e27\u540e\u53d1\u5230\u4f20\u8f93\u4ecb\u8d28\u4e0a,\u5230\u8fbe\u2f6c\u7684\u4e3b\u673a\u540e\u6bcf\u5c42\u534f\u8bae\u518d\u5265\u6389\u76f8\u5e94\u7684\u2fb8\u90e8, \u6839\u636e\u2fb8\u90e8\u4e2d\u7684 &#8220;\u4e0a\u5c42\u534f\u8bae\u5b57\u6bb5&#8221; \u5c06\u6570\u636e\u4ea4\u7ed9\u5bf9\u5e94\u7684\u4e0a\u5c42\u534f\u8bae\u5904\u7406.<\/p>\n\n\n\n<p><strong>\u2f79\u7edc\u4e2d\u7684\u5730\u5740\u7ba1\u7406 &#8211; \u8ba4\u8bc6IP\u5730\u5740<\/strong><\/p>\n\n\n\n<p>\u901a\u4fd7\u6765\u8bf4\uff1aIP \u5730\u5740 = \u7f51\u7edc\u8bbe\u5907\u5728\u903b\u8f91\u5c42\u9762\u7684\u201c\u95e8\u724c\u53f7\u201d\uff0c\u8ba9\u5168\u7403\u4e92\u8054\u7f51\u77e5\u9053\u201c\u5f80\u54ea\u4e2a\u65b9\u5411\u3001\u54ea\u6761\u8857\u3001\u54ea\u4e00\u6237\u201d\u9001\u6570\u636e\u5305\u3002<br><\/p>\n\n\n\n<p>\u8de8\u2f79\u6bb5\u7684\u4e3b\u673a\u7684\u6570\u636e\u4f20\u8f93. \u6570\u636e\u4ece\u2f00\u53f0\u8ba1\u7b97\u673a\u5230\u53e6\u2f00\u53f0\u8ba1\u7b97\u673a\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u8981\u7ecf\u8fc7\u2f00\u4e2a\u6216\u591a\u4e2a\u8def\u7531\u5668. \u4e0b\u2faf\u662f\u2f00\u5f20\u2f70\u610f\u56fe<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"656\" src=\"http:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-16.png\" alt=\"\" class=\"wp-image-323\" srcset=\"https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-16.png 1000w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-16-300x197.png 300w, https:\/\/www.tgwttt.xyz\/wp-content\/uploads\/2025\/09\/image-16-768x504.png 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/figure>\n\n\n\n<p>\u5bf9\u2f50IP\u5730\u5740\u548cMac\u5730\u5740\u7684\u533a\u522b <\/p>\n\n\n\n<p>IP\u5730\u5740\u5728\u6574\u4e2a\u8def\u7531\u8fc7\u7a0b\u4e2d\uff0c\u2f00\u76f4\u4e0d\u53d8(\u2f6c\u524d\uff0c\u6211\u4eec\u53ea\u80fd\u8fd9\u6837\u8bf4\u660e\uff0c\u540e\u2faf\u5728\u4fee\u6b63) <br>Mac\u5730\u5740\u2f00\u76f4\u5728\u53d8<\/p>\n\n\n\n<p>IP\u662f\u2f00\u79cd\u2ed3\u8fdc\u2f6c\u6807\uff0cMac\u662f\u4e0b\u2f00\u9636\u6bb5\u2f6c\u6807\uff0c\u2f6c\u7684IP\u662f\u8def\u5f84\u9009\u62e9\u7684\u91cd\u8981\u4f9d\u636e\uff0cmac\u5730\u5740\u662f\u5c40\u57df\u2f79\u8f6c\u53d1\u7684\u91cd\u8981\u4f9d\u636e<\/p>\n\n\n\n<p>IP\u2f79\u7edc\u5c42\u5b58\u5728\u7684\u610f\u4e49\uff1a\u63d0\u4f9b\u2f79\u7edc\u865a\u62df\u5c42\uff0c\u8ba9\u4e16\u754c\u7684\u6240\u6709\u2f79\u7edc\u90fd\u662f IP \u2f79\u7edc\uff0c\u5c4f\u853d\u6700\u5e95\u5c42\u2f79\u7edc\u7684\u5dee\u5f02<br><\/p>\n\n\n\n<p><strong>\u4eca\u5929\u7684\u66f4\u65b0\u5c31\u5230\u8fd9\u91cc\u4e86\uff0c\u5982\u6709\u9519\u8bef\u6b22\u996e\u8bc4\u8bba\u533a\u6307\u51fa<\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1.\u8ba1\u7b97\u673a\u2f79\u7edc\u80cc\u666f \u7f51\u7edc\u53d1\u5c55\uff1a \u2f79\u7edc\u4e92\u8054: \u591a\u53f0\u8ba1\u7b97\u673a\u8fde\u63a5\u5728\u2f00\u8d77, 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