{"id":18674,"date":"2023-11-30T16:26:13","date_gmt":"2023-11-30T16:26:13","guid":{"rendered":"https:\/\/www.rapidseedbox.com\/?p=18674"},"modified":"2025-11-17T13:50:56","modified_gmt":"2025-11-17T13:50:56","slug":"why-is-nat-not-needed-in-ipv6","status":"publish","type":"post","link":"https:\/\/www.rapidseedbox.com\/zh\/blog\/why-is-nat-not-needed-in-ipv6","title":{"rendered":"\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f"},"content":{"rendered":"<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Sally-Reads-Why-NAT-is-not-needed-in-IPv6-1.mp3\"><\/audio><figcaption class=\"wp-element-caption\"><strong><em>\u97f3\u9891\u7248\u672c\uff08\u6309\u4e0b\u64ad\u653e\u5e76\u65e0\u7f1d\u6eda\u52a8\u6d4f\u89c8\u6587\u7ae0 \u25b6\ufe0f\ud83c\udfb6)<\/em><\/strong><\/figcaption><\/figure>\n\n\n\n<p><strong>\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f <\/strong><em>IPv6 \u5730\u5740\u4e0d\u9700\u8981 NAT\uff0c\u56e0\u4e3a IPv6 \u62e5\u6709\u5e7f\u9614\u7684\u5730\u5740\u7a7a\u95f4\u3002\u8fd9\u5141\u8bb8\u8bbe\u5907\u4e4b\u95f4\u76f4\u63a5\u901a\u4fe1\uff0c\u7b80\u5316\u4e86\u7f51\u7edc\u5e76\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002<\/em><\/p>\n\n\n\n<p><strong>\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\uff1f <\/strong><\/p>\n\n\n\n<p>\u7ee7\u7eed\u9605\u8bfb\u3002&nbsp;<\/p>\n\n\n\n<p><em>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u4eec\u5c06\u63a2\u8ba8 IPv4 \u80cc\u666f\u4e0b\u7684 NAT\u3001\u5176\u5de5\u4f5c\u539f\u7406\u4ee5\u53ca IPv6 \u5982\u4f55\u6d88\u9664\u5bf9 NAT \u7684\u9700\u6c42\u3002\u6b64\u5916\uff0c\u6211\u4eec\u8fd8\u5c06\u4e3a\u90a3\u4e9b\u9700\u8981 IPv6 \u4f46\u4ecd\u4f9d\u8d56 NAT \u7684\u7528\u6237\u63a2\u8ba8\u4e00\u4e9b\u89e3\u51b3\u65b9\u6848\u3002&nbsp;<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png\"><img decoding=\"async\" loading=\"lazy\" width=\"1024\" height=\"531\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1024x531.png\" alt=\"\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\" class=\"wp-image-25714\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1024x531.png 1024w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-300x155.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-1536x796.png 1536w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6-18x9.png 18w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png 1748w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">\u76ee\u5f55<\/h2>\n\n\n\n<ol>\n<li><a href=\"#01\">\u4e86\u89e3 IPv4 \u80cc\u666f\u4e0b\u7684 NAT<\/a><\/li>\n\n\n\n<li><a href=\"#02\">\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f<\/a>\n<ul>\n<li>\u5e9e\u5927\u7684\u5730\u5740\u7a7a\u95f4<\/li>\n\n\n\n<li>\u52a0\u5f3a\u5b89\u5168<\/li>\n\n\n\n<li>\u76f4\u63a5\u8fde\u63a5\u548c\u7f51\u7edc\u8bbe\u8ba1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><a href=\"#03\">IPv6 \u4e2d NAT \u7684\u66ff\u4ee3\u89e3\u51b3\u65b9\u6848<\/a><\/li>\n\n\n\n<li><a href=\"#04\">\u5e38\u89c1\u95ee\u9898\uff08FAQ\uff09<\/a><\/li>\n\n\n\n<li><a href=\"#05\">\u7ed3\u8bba<\/a><\/li>\n<\/ol>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"01\">1.\u4e86\u89e3 IPv4 \u80cc\u666f\u4e0b\u7684 NAT&nbsp;<\/h2>\n\n\n\n<p>IPv4 \u91c7\u7528 32 \u4f4d\u5730\u5740\u7ed3\u6784\uff0c\u5141\u8bb8\u4f7f\u7528 43 \u4ebf\u4e2a\u552f\u4e00\u5730\u5740\u3002\u4ed4\u7ec6\u60f3\u60f3\uff0c\u8fd9\u662f\u4e00\u4e2a\u4e0d\u5c0f\u7684\u6570\u5b57\u3002\u4f46\u9057\u61be\u7684\u662f\uff0c\u5230\u76ee\u524d\u4e3a\u6b62\uff0c\u8fd9\u4e2a\u6570\u5b57\uff08IPv4 \u63d0\u4f9b\u7684\u6570\u5b57\uff09\u8fd8\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u65e5\u76ca\u589e\u957f\u7684\u4e92\u8054\u7f51\u9700\u6c42\u300280 \u5e74\u4ee3\u7684 IP \u79d1\u5b66\u5bb6\u4eec\u6df1\u77e5\u8fd9\u4e00\u70b9\uff0c\u56e0\u6b64\u4ed6\u4eec\u63a8\u51fa\u4e86 <a href=\"https:\/\/www.rapidseedbox.com\/zh\/ipv4\u5730\u5740\u79df\u8d41\/?blog=why-is-nat-not-needed-in-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6<\/a> \u6709\u671d\u4e00\u65e5 \"\u53d6\u4ee3 IPv4\u3002<\/p>\n\n\n\n<p>\u56e0\u6b64\uff0cIPv6 \u62e5\u6709 128 \u4f4d\u5730\u5740\u7cfb\u7edf\u3002\u8fd9\u610f\u5473\u7740\uff0cIPv6 \u6240\u8986\u76d6\u7684\u5730\u5740\u7a7a\u95f4\u6bd4 IPv4\uff08\"IPv4\"\uff09\u5927\u5f97\u591a\u3002<a href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/ipv6\u4e0eipv4\">IPv6 \u4e0e IPv4<\/a>).\u76ee\u524d\uff08\u4ee5\u53ca\u5728\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u5185\uff09\uff0cIPv6 \u5c06\u89e3\u51b3\u5730\u5740\u77ed\u7f3a\u95ee\u9898\uff0c\u5e76\u4f7f\u8def\u7531\u548c\u7f51\u7edc\u7ba1\u7406\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n\n\n\n<p>\u4f46\u662f\uff0c\u5728\u6574\u4e2a\u4e92\u8054\u7f51\u4e0a\u63a8\u5e7f IPv6 \u8bf4\u8d77\u6765\u5bb9\u6613\uff0c\u505a\u8d77\u6765\u5374\u5f88\u96be\u3002<a href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/ipv6\u8fc1\u79fb\">IPv6 \u8fc1\u79fb\u4e0e\u4f18\u52bf<\/a>).\u76ee\u524d\u6709\u6570\u5341\u4ebf\u7684\u670d\u52a1\u3001\u8bbe\u5907\u548c\u5e94\u7528\u7a0b\u5e8f\u4ecd\u5728\u4f7f\u7528 IPv4 \u8fdb\u884c\u901a\u4fe1\u3002 <strong>\u56e0\u6b64\uff0cNAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09 <strong>\u6216\u53c8\u79f0 NAT44\u3001<\/strong><\/strong> <strong>\u548c\u5176\u4ed6\u53d8\u901a\u529e\u6cd5\u4f5c\u4e3a\u4e34\u65f6\u89e3\u51b3\u65b9\u6848\u3002&nbsp;<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a.NAT \u89e3\u51b3\u4e86\u4ec0\u4e48\u95ee\u9898\uff1f&nbsp;<\/strong><\/h4>\n\n\n\n<p>\u5bf9\u4e8e IPv4 \u7f51\u7edc\u6765\u8bf4\uff0cNAT\uff08\u7f51\u7edc\u5730\u5740\u8f6c\u6362\uff09\u662f\u4e00\u4ef6\u5927\u4e8b\u3002 <strong>\u8def\u7531\u5668\u6216\u670d\u52a1\u5668\u4f7f\u7528\u5b83\u5c06\u672c\u5730\u79c1\u6709 IP \u5730\u5740\u8f6c\u6362\u4e3a\u516c\u5171 IP \u5730\u5740\uff0c\u53cd\u4e4b\u4ea6\u7136\u3002 <\/strong>\u6362\u53e5\u8bdd\u8bf4\uff0cNAT \u63d0\u4f9b\u4e86\u4e00\u79cd\u4e0e\u672c\u5730\u7f51\u7edc\u4e0a\u591a\u4e2a\u8bbe\u5907\u5171\u4eab\u4e00\u4e2a\u516c\u5171 IP \u5730\u5740\u7684\u65b9\u6cd5\u3002\u56e0\u6b64\uff0c\u4e00\u4e2a\u5bb6\u5ead\uff08\u8bb8\u591a\u8bbe\u5907\uff0c\u8bb8\u591a\u79c1\u6709 IP\uff09= \u4e00\u4e2a\u516c\u5171 IP\u3002\u8fd8\u6709 <a href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/cgnat\" target=\"_blank\" rel=\"noreferrer noopener\">\u8f7d\u6ce2\u7ea7 NAT (CGNAT)<\/a> \u5b83\u7684\u89c4\u6a21\u66f4\u5927\u3002\u793e\u533a\u3001\u5c0f\u533a\u548c\u6574\u4e2a\u533a\u57df\u901a\u8fc7 CGNAT \u5171\u4eab\u4e00\u4e2a\u516c\u5171 IP\u3002&nbsp;<\/p>\n\n\n\n<p>\u5982\u524d\u6240\u8ff0\uff0cNAT \u80cc\u540e\u7684\u539f\u56e0\u662f\uff08\u4f5c\u4e3a\u4e00\u79cd\u521b\u53ef\u8d34\u89e3\u51b3\u65b9\u6848\uff09\u5e2e\u52a9\u89e3\u51b3 IPv4 \u5730\u5740\u77ed\u7f3a\u7684\u95ee\u9898\u3002 <strong>\u8fd9\u79cd\u5de7\u5999\u7684\u8bbe\u8ba1\u4e0d\u4ec5\u8282\u7701\u4e86 IPv4 \u5730\u5740\uff0c\u8fd8\u901a\u8fc7\u4ece\u4e92\u8054\u7f51\u4e0a\u9690\u85cf\u672c\u5730\u8bbe\u5907\u7684\u5185\u90e8 IP \u5730\u5740\uff0c\u589e\u52a0\u4e86\u4e00\u5c42\u5b89\u5168\u6027\u3002<\/strong><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b.IPv4 \u7684 NAT \u5982\u4f55\u5de5\u4f5c\uff1f&nbsp;<\/strong><\/h4>\n\n\n\n<p>\u4e0b\u56fe\u8bf4\u660e\u4e86 IPv4 \u4e2d\u7684 NAT \u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"982\" height=\"532\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03.png\" alt=\"\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f\" class=\"wp-image-18677\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03.png 982w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03-300x163.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-03-18x10.png 18w\" sizes=\"(max-width: 982px) 100vw, 982px\" \/><\/figure>\n\n\n\n<p><strong>\u672c\u5730\u901a\u8baf\uff1a<\/strong> \u4e00\u53f0\u5728\u4e13\u7528\u7f51\u7edc\u4e2d\u4f7f\u7528\u4e13\u7528 IPv4 \u5730\u5740\uff0810.0.0.1\uff09\u7684\u4e3b\u673a\u5e0c\u671b\u5411\u4e92\u8054\u7f51\u4e0a\u7684\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u3002\u8def\u7531\u5668\u914d\u7f6e\u4e86 NAT\uff0c\u7528\u4e8e\u7ba1\u7406\u4e13\u7528\u7f51\u7edc\u548c\u4e92\u8054\u7f51\u4e4b\u95f4\u7684\u6d41\u91cf\u3002<\/p>\n\n\n\n<ul>\n<li><strong>\u4f20\u51fa\u6570\u636e\u5305\u7ffb\u8bd1\uff1a <\/strong>\u4e3b\u673a\u5411\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\u65f6\uff0c\u6570\u636e\u5305\u5305\u542b\u6e90 IP \u5730\u5740\uff0810.0.0.1\uff0c\u5373\u4e3b\u673a\u7684\u79c1\u6709\u5730\u5740\uff09\u548c\u76ee\u6807 IP \u5730\u5740\uff08200.100.10.1\uff0c\u5373\u670d\u52a1\u5668\u7684\u516c\u6709\u5730\u5740\uff09\u3002\u5f53\u6570\u636e\u5305\u5230\u8fbe\u5e26\u6709 NAT \u7684\u8def\u7531\u5668\u65f6\uff0c\u8def\u7531\u5668\u4f1a\u5c06\u6e90 IP \u5730\u5740\u4ece\u4e13\u7528\u5730\u5740 (10.0.0.1) \u8f6c\u6362\u4e3a\u8def\u7531\u5668\u7684\u516c\u5171 IP \u5730\u5740 (150.150.0.1)\u3002\u8fd9\u79cd\u8f6c\u6362\u5141\u8bb8\u6570\u636e\u5305\u901a\u8fc7\u4e92\u8054\u7f51\u8def\u7531\u5230\u670d\u52a1\u5668\u3002<\/li>\n\n\n\n<li><strong>\u4f20\u5165\u6570\u636e\u5305\u7ffb\u8bd1\uff1a <\/strong>\u670d\u52a1\u5668\u56de\u590d\u65f6\uff0c\u4f20\u5165\u6570\u636e\u5305\u7684\u6e90 IP \u5730\u5740\u662f\u670d\u52a1\u5668\u7684 IP \u5730\u5740\uff08200.100.10.1\uff09\uff0c\u76ee\u7684 IP \u5730\u5740\u662f\u8def\u7531\u5668\u7684\u516c\u5171 IP \u5730\u5740\uff08150.150.0.1\uff09\u3002\u5f53\u8be5\u6570\u636e\u5305\u5230\u8fbe NAT \u8def\u7531\u5668\u65f6\uff0cNAT \u4f1a\u5c06\u76ee\u6807 IP \u8f6c\u6362\u56de\u4e3b\u673a\u7684\u4e13\u7528 IP \u5730\u5740\uff0810.0.0.1\uff09\u3002\u8fd9\u6837\uff0c\u4e13\u7528\u7f51\u7edc\u5185\u7684\u4e3b\u673a\u5c31\u6536\u5230\u4e86\u670d\u52a1\u5668\u7684\u54cd\u5e94\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c.IPv4 \u4e2d\u7684 NAT \u6709\u54ea\u4e9b\u9650\u5236\uff1f<\/strong><\/h4>\n\n\n\n<p>\u867d\u7136 IPv4 \u7f51\u7edc\u4e2d\u7684 NAT \u6709\u5176\u4f18\u70b9\uff0c\u4f46\u4e5f\u6709\u5176\u4e0d\u8db3\u4e4b\u5904\uff0c\u5305\u62ec\u590d\u6742\u6027\u3001\u59a8\u788d\u7aef\u5230\u7aef\u901a\u4fe1\u4ee5\u53ca\u517c\u5bb9\u6027\u95ee\u9898\u3002\u8fd9\u4e9b\u5c40\u9650\u6027\u51f8\u663e\u4e86\u5bf9 IPv6 \u7b49\u66f4\u5177\u53ef\u6269\u5c55\u6027\u89e3\u51b3\u65b9\u6848\u7684\u9700\u6c42\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"02\">2.\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a.\u5e9e\u5927\u7684\u5730\u5740\u7a7a\u95f4\u3002<\/strong><\/h4>\n\n\n\n<p>IPv6 \u4e0d\u9700\u8981 NAT \u7684\u4e3b\u8981\u539f\u56e0\u662f\uff0cIPv6 \u62e5\u6709\u5de8\u5927\u7684\u5730\u5740\u7a7a\u95f4\uff08\u51c6\u786e\u5730\u8bf4\uff0c\u662f 340 \u4e2a\u5341\u4ebf\u4f4d\u5740\uff09\uff0c\u8fd9\u610f\u5473\u7740\u6211\u4eec\u4e0d\u518d\u9700\u8981 NAT\u3002NAT \u6b63\u662f\u4e3a\u6b64\u800c\u8bbe\u8ba1\u7684\uff0c\u76ee\u7684\u662f\u4fdd\u62a4\u6709\u9650\u7684 IPv4 \u5730\u5740\u6c60\u3002\u56e0\u6b64\uff0c\u7531\u4e8e IPv4 \u62e5\u6709\u5de8\u5927\u7684\u53ef\u7528 <a href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/what-is-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 \u5730\u5740<\/a>\u56e0\u6b64\uff0c\u4efb\u4f55\u4e3b\u673a\u6216\u7528\u6237\u90fd\u53ef\u4ee5\u83b7\u53d6\u516c\u5171 IPv6 \u7f51\u7edc\u5730\u5740\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b.\u52a0\u5f3a\u5b89\u5168\u3002<\/strong><\/h4>\n\n\n\n<p>\u4e0e IPv4 \u4e0d\u540c\uff0cIPv6 \u5c06\u5b89\u5168\u6027\u4f5c\u4e3a\u4e00\u4e2a\u57fa\u672c\u7ec4\u6210\u90e8\u5206\uff0c\u800c\u4e0d\u662f\u4e8b\u540e\u624d\u60f3\u5230\u7684\u3002IPv6 \u672c\u8eab\u5c31\u5305\u542b\u5b89\u5168\u6027\uff08IPsec\u3001\u7aef\u5230\u7aef\u52a0\u5bc6\u548c\u5b89\u5168\u90bb\u5c45\u53d1\u73b0\uff09\u3002 <strong>\u8fd9\u5c31\u589e\u5f3a\u4e86\u6574\u4e2a\u7f51\u7edc\u7684\u5b89\u5168\u6027\uff0c\u5e76\u6d88\u9664\u4e86\u5bf9 NAT \u7684\u9700\u6c42\u3002 <\/strong>NAT \u7684\u76ee\u7684\u662f\u89e3\u51b3 IPv4 \u7684\u5c40\u9650\u6027\uff0c\u5b83\u6240\u63d0\u4f9b\u7684\u5b89\u5168\u6027\u662f\u8bbe\u8ba1\u7684\u526f\u4ea7\u54c1\u3002\u4eba\u4eec\u53ea\u662f\u5c06 NAT \u7528\u4f5c\u4e8b\u5b9e\u4e0a\u7684\u9632\u706b\u5899\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u9690\u85cf\u5185\u90e8 IP \u5730\u5740\uff0c\u9632\u6b62\u5916\u90e8\u5a01\u80c1\u3002<\/p>\n\n\n\n<p><strong><em>\u6ce8\u610f\uff1a<\/em><\/strong><em> \u8bf7\u8bb0\u4f4f\uff0cIPv6 \u7684\u5185\u7f6e\u5b89\u5168\u6027\u5e76\u4e0d\u80fd\u771f\u6b63\u66ff\u4ee3 NAT\uff0c\u56e0\u4e3a IPv4 NAT \u9690\u85cf\u4e86\u771f\u6b63\u7684 IP \u5730\u5740\uff0c\u800c IPSec\uff08\u4e5f\u9002\u7528\u4e8e IPv4\uff09\u63d0\u4f9b\u4e86\u52a0\u5bc6\u548c\u9a8c\u8bc1\u529f\u80fd\u3002\u4e8b\u5b9e\u4e0a\uff0c\u4ece\u7f51\u7edc\u8bbe\u8ba1\u7684\u89d2\u5ea6\u6765\u770b\uff0cIPSec \u548c NAT \u751a\u81f3\u53ef\u4ee5\u4e92\u4e3a\u8865\u5145\u3002&nbsp;<\/em><\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c.\u76f4\u63a5\u8fde\u63a5\u548c\u7f51\u7edc\u8bbe\u8ba1&nbsp;<\/strong><\/h4>\n\n\n\n<p>IPv6 \u5f3a\u8c03\u6539\u8fdb\u7aef\u5230\u7aef\u8fde\u63a5\u548c\u7b80\u5316\u7f51\u7edc\u8bbe\u8ba1\uff0c\u56e0\u6b64\u4e0d\u518d\u9700\u8981 NAT\u3002\u8fd9\u79cd\u65b9\u6cd5\u589e\u5f3a\u4e86\u901a\u4fe1\u8def\u5f84\uff0c\u4fc3\u8fdb\u4e86\u5b9e\u65f6\u4f20\u8f93\uff0c\u5e76\u5728\u4e92\u8054\u7f51\u4e0a\u5b9e\u73b0\u4e86\u8bbe\u5907\u5230\u8bbe\u5907\u7684\u76f4\u63a5\u8fde\u63a5\uff0c\u6d88\u9664\u4e86 NAT \u8bbe\u5907\uff08\u6216\u5176\u4ed6\u53d8\u901a\u65b9\u6cd5\uff09\u7b49\u4e2d\u95f4\u73af\u8282\u3002IPv6 \u4e3a\u8bbe\u5907\u4f7f\u7528\u552f\u4e00\u7684\u5168\u5c40\u5730\u5740\uff0c\u907f\u514d\u4e86 IPv4 \u4e2d\u5730\u5740\u8f6c\u6362\u7684\u590d\u6742\u6027\uff0c\u4ece\u800c\u7b80\u5316\u4e86\u7f51\u7edc\u8bbe\u8ba1\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"03\">3.IPv6 \u4e2d NAT \u7684\u66ff\u4ee3\u89e3\u51b3\u65b9\u6848\uff1f<\/h2>\n\n\n\n<p>\u867d\u7136\u5927\u591a\u6570 IPv6 \u90e8\u7f72\u90fd\u4e0d\u9700\u8981 NAT\uff0c\u4f46\u5728\u67d0\u4e9b\u7528\u4f8b\u6216\u7f51\u7edc\u8bbe\u7f6e\u4e2d\uff0c\u7c7b\u4f3c NAT \u7684\u529f\u80fd\u4ecd\u7136\u6709\u7528\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u7f51\u7edc\u524d\u7f00\u8f6c\u6362\uff08NPTv6\uff09\u6216\u7aef\u53e3\u63a7\u5236\u534f\u8bae\uff08PCP\uff09\u7b49\u89e3\u51b3\u65b9\u6848\u6765\u5b9e\u73b0\u7c7b\u4f3c\u7684\u76ee\u6807\uff0c\u800c\u4e0d\u4f1a\u51fa\u73b0 IPv4 \u4f20\u7edf NAT \u7684\u7f3a\u70b9\u3002 <\/p>\n\n\n\n<p class=\"has-background\" style=\"background-color:#abc6df\"><em><strong>\u6ce8\u610f\uff1a<\/strong> \u8fd9\u4e9b\u89e3\u51b3\u65b9\u6848\u5728 IPv6 \u7f51\u7edc\u4e2d\u5e94\u8c28\u614e\u4f7f\u7528\uff0c\u5c3d\u91cf\u5c11\u7528\uff0c\u56e0\u4e3a\u9ed8\u8ba4\u65b9\u6cd5\u662f\u4f9d\u9760\u534f\u8bae\u7684\u5de8\u5927\u5730\u5740\u7a7a\u95f4\u548c\u7aef\u5230\u7aef\u8fde\u63a5\u3002\u8fd9\u4e9b\u89e3\u51b3\u65b9\u6848\u4e0d\u80fd\u53d6\u4ee3 NAT44\uff0c\u5b83\u4eec\u53ea\u662f\u4e3a\u4e86\u4fc3\u8fdb IPv6 \u548c IPv4 \u7684\u4e92\u64cd\u4f5c\u6027\u3002 <\/em><\/p>\n\n\n\n<ul>\n<li><strong>NPTv6\uff1a<\/strong> \u5f53\u7f51\u7edc\u9700\u8981\u5728\u4e0d\u6539\u53d8\u63a5\u53e3\u6807\u8bc6\u7b26\u7684\u60c5\u51b5\u4e0b\u66f4\u6539 IPv6 \u5730\u5740\u7684\u524d\u7f00\u65f6\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5b83\u3002NPTv6 \u53ef\u7528\u4e8e\u7f51\u7edc\u91cd\u65b0\u7f16\u53f7\u3001\u591a\u91cd\u5f52\u5c5e\u548c\u7b56\u7565\u6267\u884c\u7b49\u60c5\u51b5\u3002<\/li>\n\n\n\n<li><strong>NAT64<\/strong>:\u5b83\u5c06 IPv6 \u5730\u5740\u8f6c\u6362\u4e3a IPv4 \u5730\u5740\u3002\u8fd9\u6709\u52a9\u4e8e\u5141\u8bb8\u7eaf IPv6 \u7f51\u7edc\u8bbf\u95ee IPv4 \u7f51\u7edc\u4e0a\u7684\u8d44\u6e90\u3002<\/li>\n\n\n\n<li><strong>PCP<\/strong>:\u7aef\u53e3\u63a7\u5236\u534f\u8bae\u53ef\u7528\u4e8e IPv6 \u7f51\u7edc\uff0c\u4ee5\u7ba1\u7406 NAT \u8bbe\u5907\uff08\u5982 NAT64\uff09\u5982\u4f55\u8f6c\u53d1\u4f20\u5165\u6570\u636e\u5305\u3002<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u4e0b\u56fe\u8bf4\u660e\u4e86 NAT \u5728 IPv4 \u548c\u4e24\u79cd IPv6 \u60c5\u51b5\u4e0b\u7684\u533a\u522b\u3002&nbsp;<\/h4>\n\n\n\n<ol>\n<li>IPv4 \u4e2d\u7684 NAT<\/li>\n\n\n\n<li>\u65e0 NAT \u7684 IPv6&nbsp;<\/li>\n\n\n\n<li>\u7f51\u7edc\u524d\u7f00\u8f6c\u6362 (NPTv6)\u3002<\/li>\n<\/ol>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"993\" height=\"537\" src=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04.png\" alt=\"\u4e3a\u4ec0\u4e48 IPv6 \u4e0d\u9700\u8981 NAT\uff1f\" class=\"wp-image-18678\" srcset=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04.png 993w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04-300x162.png 300w, https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/NAT-in-IPv6-04-18x10.png 18w\" sizes=\"(max-width: 993px) 100vw, 993px\" \/><figcaption class=\"wp-element-caption\"><em>\u56fe\u7247\u8bf4\u660e\u4e86 IPv4 \u56e0\u5730\u5740\u6709\u9650\u800c\u4f9d\u8d56 NAT\uff0c\u800c IPv6 \u5730\u5740\u4e30\u5bcc\uff0c\u901a\u5e38\u65e0\u9700 NAT\u3002\u6b64\u5916\uff0c\u56fe\u4e2d\u8fd8\u663e\u793a\u4e86 NPTv6 \u4f5c\u4e3a\u7279\u5b9a\u7528\u4f8b\u7684\u66ff\u4ee3\u65b9\u6848\u3002<\/em><\/figcaption><\/figure>\n\n\n\n<p><strong>\u4e0b\u9762\u662f\u56fe\u4e2d\u6bcf\u4e2a\u90e8\u5206\u6240\u4ee3\u8868\u7684\u542b\u4e49\uff1a<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>IPv4 \u4e2d\u7684 NAT\uff1a <\/strong>\u7b2c\u4e00\u5f20\u7f51\u7edc\u56fe\u663e\u793a\u7684\u662f\u4e00\u53f0\u4f4d\u4e8e\u4e13\u7528\u7f51\u7edc\u540e\u7684\u672c\u5730\u4e3b\u673a\uff0c\u8be5\u4e3b\u673a\u901a\u8fc7\u8def\u7531\u5668\/\u9632\u706b\u5899\u8fde\u63a5\u5230\u4e00\u4e2a\u516c\u5171 IPv4 \u7f51\u7edc\uff0c\u8def\u7531\u5668\/\u9632\u706b\u5899\u5b9e\u65bd\u4e86 NAT\u3002\u5e26\u7bad\u5934\u7684\u7ea2\u8272\u865a\u7ebf\u8868\u793a\u8f6c\u6362\u8fc7\u7a0b\uff0c\u516c\u5171\u7f51\u7edc\u4e0a\u7684\u8fdc\u7a0b\u4e3b\u673a\u663e\u793a\u4e3a\u901a\u4fe1\u76ee\u6807\u3002<\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>\u65e0 NAT \u7684 IPv6\uff1a <\/strong>\u7b2c\u4e8c\u90e8\u5206\u663e\u793a\u7684\u662f\u4e00\u53f0\u5e26\u6709 IPv6 \u5730\u5740\u7684\u672c\u5730\u4e3b\u673a\uff0c\u5b83\u76f4\u63a5\u8fde\u63a5\u5230 IPv6 \u4e92\u8054\u7f51\uff0c\u4e0d\u5e26\u4efb\u4f55 NAT\uff0c\u56e0\u4e3a IPv6 \u5141\u8bb8\u4f7f\u7528\u5927\u91cf\u5730\u5740\uff0c\u56e0\u6b64\u4e0d\u9700\u8981 NAT \u6765\u4fdd\u62a4\u5730\u5740\u3002\u5e26\u7bad\u5934\u7684\u7eff\u7ebf\u8868\u793a\u672c\u5730\u4e3b\u673a\u548c\u8fdc\u7a0b\u4e3b\u673a\u4e4b\u95f4\u672a\u7ffb\u8bd1\u7684\u76f4\u63a5\u8def\u5f84\u3002 <strong>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u6bcf\u53f0\u8bbe\u5907\u901a\u5e38\u90fd\u6709\u4e00\u4e2a\u5168\u7403\u552f\u4e00\u7684 IPv6 \u5730\u5740\uff0c\u65e0\u9700\u8fdb\u884c\u5730\u5740\u8f6c\u6362\u5c31\u80fd\u76f4\u63a5\u8fdb\u884c\u7aef\u5230\u7aef\u901a\u4fe1\u3002<\/strong><\/li>\n<\/ul>\n\n\n\n<ul>\n<li><strong>NPTv6\uff1a <\/strong>\u7b2c\u4e09\u90e8\u5206\u663e\u793a\u7684\u662f IPv6 \u5185\u7f51\u4e2d\u7684\u4e00\u53f0\u672c\u5730\u4e3b\u673a\uff0c\u5b83\u4f4d\u4e8e\u8fde\u63a5\u5230 IPv6 \u4e92\u8054\u7f51\u7684 NPTv6 \u8def\u7531\u5668\/\u9632\u706b\u5899\u540e\u9762\u3002NPTv6 \u662f\u4e00\u79cd\u7ffb\u8bd1 IPv6 \u5730\u5740\u524d\u7f00\u7684\u673a\u5236\uff0c\u7c7b\u4f3c\u4e8e IPv4 \u4e2d\u7684 NAT\uff0c\u4f46\u5b83\u4fdd\u6301\u5730\u5740\u7684\u4e3b\u673a\u90e8\u5206\u4e0d\u53d8\u3002\u7d2b\u8272\u865a\u7ebf\u8868\u793a\u524d\u7f00\u8f6c\u6362\u8fc7\u7a0b\u3002<\/li>\n<\/ul>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"04\">4.\u5e38\u89c1\u95ee\u9898\uff08FAQ\uff09<\/h2>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>a.\u60a8\u80fd\u5426\u63d0\u4f9b\u4e00\u4e2a\u5b9e\u9645\u4f8b\u5b50\uff0c\u8bf4\u660e\u5728\u6ca1\u6709 NAT \u7684\u60c5\u51b5\u4e0b\u7f51\u7edc\u6548\u7387\u7684\u63d0\u9ad8\uff1f<\/strong><\/h4>\n\n\n\n<p>\u4e00\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u662f <a href=\"https:\/\/corporate.comcast.com\/comcast-voices\/ipv6-deployment-technology\" target=\"_blank\" rel=\"noreferrer noopener\">\u5eb7\u5361\u65af\u7279\uff08\u73b0\u4e3a Xfinity\uff09<\/a>\u662f\u7f8e\u56fd\u6700\u5927\u7684\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546\u4e4b\u4e00\u3002\u4ed6\u4eec\u6539\u7528 IPv6 \u540e\uff0c\u7f51\u7edc\u6027\u80fd\u548c\u7ba1\u7406\u5f97\u5230\u4e86\u5f88\u5927\u6539\u5584\u3002\u5728\u4ed6\u4eec\u7684 IPv6 \u67b6\u6784\u4e2d\u6ca1\u6709 NAT\uff0c\u8def\u7531\u66f4\u7b80\u5355\uff0c\u5ef6\u8fdf\u66f4\u77ed\uff0c\u5ba2\u6237\u7684\u8fde\u63a5\u6027\u4e5f\u5f97\u5230\u4e86\u6539\u5584\u3002\u8fd9\u8bf4\u660e IPv6 \u5728\u5927\u89c4\u6a21\u7f51\u7edc\u4e2d\u7684\u5b9e\u9645\u4f18\u52bf\uff0c\u800c\u4e0d\u662f\u4f9d\u8d56 NAT44\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>b.\u4ec0\u4e48\u662f NAT64\uff1f&nbsp;<\/strong><\/h4>\n\n\n\n<p>NAT64 translates IPv6 addresses to IPv4 addresses, enabling communication between IPv6 and IPv4 devices. This protocol allows IPv6-only devices to access IPv4 resources. NAT64 bridges the IPv4-<a href=\"https:\/\/www.rapidseedbox.com\/blog\/ipv6-transition-mechanisms\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 transition<\/a>, allowing IPv6-only networks to access IPv4 resources. However, it can introduce complexities such as application compatibility and address exhaustion.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>c.\u8fde\u63a5 IPv4 \u7f51\u7edc\u65f6\uff0cIPv6 \u6d41\u91cf\u5982\u4f55\u7ed5\u8fc7 NAT \u5e76\u4fdd\u6301\u7aef\u5230\u7aef\u8fde\u63a5\uff1f<\/strong><\/h4>\n\n\n\n<p>IPv6 \u4e2d\u6709\u4e00\u4e9b\u673a\u5236\uff0c\u4f8b\u5982 <a href=\"https:\/\/www.rapidseedbox.com\/blog\/teredo\" target=\"_blank\" rel=\"noreferrer noopener\">\u7279\u5217\u591a<\/a> \u548c 6to4\uff0c\u5141\u8bb8 IPv6 \u6d41\u91cf\u5728\u8fde\u63a5 IPv4 \u7f51\u7edc\u65f6\u7a7f\u8d8a NAT \u8bbe\u5907\u3002\u8fd9\u4e9b\u673a\u5236\u6709\u52a9\u4e8e\u5728 IPv6 \u7f51\u7edc\u4e2d\u4fdd\u6301\u7aef\u5230\u7aef\u8fde\u63a5\uff0c\u800c\u65e0\u9700\u4f7f\u7528 NAT\u3002<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"05\">5.\u7ed3\u8bba\u3002<\/h2>\n\n\n\n<p><strong>\u5c3d\u7ba1 NAT \u5728\u4fdd\u6301 IPv4 \u7684\u751f\u547d\u529b\u65b9\u9762\u53d1\u6325\u4e86\u91cd\u8981\u4f5c\u7528\uff0c\u4f46\u73b0\u5728\u5b83\u5df2\u88ab\u6dd8\u6c70\u3002 <a href=\"https:\/\/www.rapidseedbox.com\/zh\/ipv4\u5730\u5740\u79df\u8d41\/?blog=why-is-nat-not-needed-in-ipv6\" target=\"_blank\" rel=\"noreferrer noopener\">IPv6 \u73af\u5883<\/a>\u6bcf\u4e2a\u8bbe\u5907\u90fd\u53ef\u4ee5\u62e5\u6709\u81ea\u5df1\u72ec\u4e00\u65e0\u4e8c\u7684\u5168\u5c40\u5730\u5740\u3002<\/strong> \u8fd9\u4e00\u53d8\u5316\u4e0d\u4ec5\u7b80\u5316\u4e86\u8fde\u63a5\uff0c\u8fd8\u9884\u793a\u7740\u4e00\u4e2a\u66f4\u52a0\u9ad8\u6548\u3001\u5b89\u5168\u7684\u4e92\u8054\u7f51\u67b6\u6784\u65b0\u65f6\u4ee3\u7684\u5230\u6765\uff0c\u5e76\u4e3a\u5904\u7406\u65e5\u76ca\u589e\u591a\u7684\u8054\u7f51\u8bbe\u5907\u505a\u597d\u4e86\u51c6\u5907\u3002 <\/p>\n\n\n\n<p>\u901a\u8fc7\u5927\u89c4\u6a21\u7f51\u7edc\u5b9e\u4f8b\u548c\u8fc7\u6e21\u65b9\u6848\u7684\u66ff\u4ee3\u89e3\u51b3\u65b9\u6848\uff0c\u5411 IPv6 \u8fc7\u6e21\u4e0d\u4ec5\u4ec5\u662f\u6280\u672f\u5347\u7ea7\uff0c\u800c\u662f\u672a\u6765\u5168\u7403\u8fde\u63a5\u7684\u5fc5\u8981\u6f14\u8fdb\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center has-background\" style=\"background-color:#b0f2b6\"><strong>\u544a\u522b NAT \u7684\u590d\u6742\u6027<\/strong>! <em><strong>\ud83c\udf10<\/strong><\/em><br><br><em>\u4f7f\u7528 RapidSeedbox\uff0c\u8fdb\u5165 IPv6 \u7684\u65e0\u9650\u4e16\u754c\uff01 <br><\/em><br>\u6ca1\u6709\u4e2d\u95f4\u5546\uff0c\u53ea\u6709\u76f4\u63a5\u7684\u77e5\u8bc6\u4ea7\u6743\u6240\u6709\u6743\u3002<br>\u6211\u4eec\u968f\u65f6\u4e3a\u60a8\u63d0\u4f9b 24\/7 \u5168\u5929\u5019\u652f\u6301\u3002<br>\u91cf\u8eab\u5b9a\u5236\u7684\u6258\u7ba1\u670d\u52a1\uff0c\u6070\u5230\u597d\u5904\u3002<br>\u8d39\u7528\u660e\u786e\uff0c\u6ca1\u6709\u610f\u5916\u3002<br><br><em>\u4eca\u5929\u5c31\u5f00\u59cb\u60a8\u7684\u65e0 NAT \u4e4b\u65c5<\/em><\/h4>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-2\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-background wp-element-button\" href=\"https:\/\/www.rapidseedbox.com\/zh\/ipv4\u5730\u5740\u79df\u8d41\/?promocode=IPV620OFF&amp;billingcycle=monthly#pricing\" style=\"background-color:#22c55e\"><strong>\u7acb\u5373\u8bbf\u95ee Rapidseedbox\uff0c\u4eab\u53d7\u9996\u6708 20% \u6298\u6263\u4f18\u60e0\uff01<\/strong><\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>IPv6 \u5730\u5740\u4e0d\u9700\u8981 NAT\uff0c\u56e0\u4e3a IPv6 \u62e5\u6709\u5e7f\u9614\u7684\u5730\u5740\u7a7a\u95f4\u3002\u8fd9\u5141\u8bb8\u8bbe\u5907\u4e4b\u95f4\u76f4\u63a5\u901a\u4fe1\uff0c\u7b80\u5316\u4e86\u7f51\u7edc\u5e76\u63d0\u9ad8\u4e86\u5b89\u5168\u6027\u3002<\/p>","protected":false},"author":145,"featured_media":25714,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[39],"tags":[455,410,735,310,736,688,737,319,453,440,734,454],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 &amp; NPTv6<\/title>\n<meta name=\"description\" content=\"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/why-is-nat-not-needed-in-ipv6\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 &amp; NPTv6\" \/>\n<meta property=\"og:description\" content=\"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.rapidseedbox.com\/zh\/blog\/why-is-nat-not-needed-in-ipv6\" \/>\n<meta property=\"og:site_name\" content=\"RapidSeedbox\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/RapidSeedbox\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-11-30T16:26:13+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-17T13:50:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1748\" \/>\n\t<meta property=\"og:image:height\" content=\"906\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Diego Asturias\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@rapidseedbox\" \/>\n<meta name=\"twitter:site\" content=\"@rapidseedbox\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Diego Asturias\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"9\u5206\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.rapidseedbox.com\/zh\/blog\/why-is-nat-not-needed-in-ipv6","og_locale":"zh_CN","og_type":"article","og_title":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","og_description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","og_url":"https:\/\/www.rapidseedbox.com\/zh\/blog\/why-is-nat-not-needed-in-ipv6","og_site_name":"RapidSeedbox","article_publisher":"https:\/\/www.facebook.com\/RapidSeedbox\/","article_published_time":"2023-11-30T16:26:13+00:00","article_modified_time":"2025-11-17T13:50:56+00:00","og_image":[{"width":1748,"height":906,"url":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/Why-is-NAT-not-needed-in-IPv6.png","type":"image\/png"}],"author":"Diego Asturias","twitter_card":"summary_large_image","twitter_creator":"@rapidseedbox","twitter_site":"@rapidseedbox","twitter_misc":{"\u4f5c\u8005":"Diego Asturias","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"9\u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"TechArticle","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#article","isPartOf":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"},"author":{"name":"Diego Asturias","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/a942bef3ef57b90e360766fc06a4fc7f"},"headline":"Why is NAT not Needed in IPv6?","datePublished":"2023-11-30T16:26:13+00:00","dateModified":"2025-11-17T13:50:56+00:00","mainEntityOfPage":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"},"wordCount":1747,"commentCount":2,"publisher":{"@id":"https:\/\/www.rapidseedbox.com\/#organization"},"keywords":["chinese","francais","indonesian","IPv6","japanese","NAT in IPV6","portuguese","proxy","russian","spanish","turkish","vietnamese"],"articleSection":["blog"],"inLanguage":"zh-CN","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6","url":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6","name":"Why IPv6 Doesn\u2019t Need NAT: Explained with NAT66 & NPTv6","isPartOf":{"@id":"https:\/\/www.rapidseedbox.com\/#website"},"datePublished":"2023-11-30T16:26:13+00:00","dateModified":"2025-11-17T13:50:56+00:00","description":"See why IPv6 removes the need for NAT and how routing and security work instead. Learn when NAT66 or NPTv6 apply and if IPv6 uses NAT at all.","breadcrumb":{"@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#breadcrumb"},"inLanguage":"zh-CN","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.rapidseedbox.com\/blog\/why-is-nat-not-needed-in-ipv6#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.rapidseedbox.com\/"},{"@type":"ListItem","position":2,"name":"blog","item":"https:\/\/www.rapidseedbox.com\/category\/blog"},{"@type":"ListItem","position":3,"name":"Why is NAT not Needed in IPv6?"}]},{"@type":"WebSite","@id":"https:\/\/www.rapidseedbox.com\/#website","url":"https:\/\/www.rapidseedbox.com\/","name":"RapidSeedbox","description":"Seedbox &amp; Dedicated Server provider focused on delivering fast peer-to-peer BitTorrent protocol-based file transfer on remote high-end servers.","publisher":{"@id":"https:\/\/www.rapidseedbox.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.rapidseedbox.com\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-CN"},{"@type":"Organization","@id":"https:\/\/www.rapidseedbox.com\/#organization","name":"RapidSeedbox","url":"https:\/\/www.rapidseedbox.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-CN","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/logoonly.png","contentUrl":"https:\/\/www.rapidseedbox.com\/wp-content\/uploads\/logoonly.png","width":259,"height":261,"caption":"RapidSeedbox"},"image":{"@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/RapidSeedbox\/","https:\/\/twitter.com\/rapidseedbox","https:\/\/www.linkedin.com\/company\/rapidseedbox","https:\/\/www.youtube.com\/@rapidseedbox"]},{"@type":"Person","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/a942bef3ef57b90e360766fc06a4fc7f","name":"Diego Asturias","image":{"@type":"ImageObject","inLanguage":"zh-CN","@id":"https:\/\/www.rapidseedbox.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5473e3ab660a5d167e3a25350e963690?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5473e3ab660a5d167e3a25350e963690?s=96&d=mm&r=g","caption":"Diego Asturias"},"description":"Diego Asturias is a tech journalist who translates complex tech jargon into engaging content. He has a degree in Internetworking Tech from Washington DC, US, and tech certifications from Cisco, McAfee, and Wireshark. He has hands-on experience working in Latin America, South Korea, and West Africa. He has been featured in SiliconANGLE Media, Cloudbric, Pcwdld, Hackernoon, ITT Systems, SecurityGladiators, Rapidseedbox, and more.","sameAs":["https:\/\/www.linkedin.com\/in\/diego-asturias-035a539\/"],"url":"https:\/\/www.rapidseedbox.com\/author\/diego"}]}},"_links":{"self":[{"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/posts\/18674"}],"collection":[{"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/users\/145"}],"replies":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/comments?post=18674"}],"version-history":[{"count":10,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/posts\/18674\/revisions"}],"predecessor-version":[{"id":42435,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/posts\/18674\/revisions\/42435"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/media\/25714"}],"wp:attachment":[{"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/media?parent=18674"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/categories?post=18674"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.rapidseedbox.com\/zh\/wp-json\/wp\/v2\/tags?post=18674"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}