{"id":1216,"date":"2018-10-23T18:38:31","date_gmt":"2018-10-23T10:38:31","guid":{"rendered":"http:\/\/cn.dailyeconomic.com\/tech\/?p=1216"},"modified":"2018-10-23T18:39:08","modified_gmt":"2018-10-23T10:39:08","slug":"%e8%93%9d%e6%b1%9bipv6%e7%9a%84%e5%9f%ba%e7%a1%80%e3%80%81%e8%bf%81%e7%a7%bb%e5%92%8c%e5%ae%89%e5%85%a8","status":"publish","type":"post","link":"https:\/\/cn.dailyeconomic.com\/tech\/2018\/10\/23\/1216.html","title":{"rendered":"\u84dd\u6c5bIPv6\u7684\u57fa\u7840\u3001\u8fc1\u79fb\u548c\u5b89\u5168"},"content":{"rendered":"<p>2017\u5e7411\u6708\u201c\u4e24\u529e\u201d\u5370\u53d1\u4e86\u300a\u63a8\u8fdb\u4e92\u8054\u7f51\u534f\u8bae\u7b2c\u516d\u7248(IPv6)\u89c4\u6a21\u90e8\u7f72\u884c\u52a8\u8ba1\u5212\u300b\uff0c\u4f7f\u5f97IPv6\u5f00\u59cb\u843d\u5730\uff0c\u5e76\u5f3a\u5236\u6267\u884c\u3002\u8ba1\u5212\u63d0\u51fa\u8981\u75285\u523010\u5e74\u65f6\u95f4\uff0c\u5f62\u6210\u4e0b\u4e00\u4ee3\u4e92\u8054\u7f51\u81ea\u4e3b\u6280\u672f\u4f53\u7cfb\u548c\u4ea7\u4e1a\u751f\u6001\uff0c\u5efa\u6210\u5168\u7403\u6700\u5927\u89c4\u6a21\u7684IPv6\u5546\u4e1a\u5e94\u7528\u7f51\u7edc\u3002<\/p>\n<p>\u52302018\u5e74\u672b\uff0c\u5e02\u573a\u9a71\u52a8\u7684\u826f\u6027\u53d1\u5c55\u73af\u5883\u57fa\u672c\u5f62\u6210\uff0cIPv6\u6d3b\u8dc3\u7528\u6237\u6570\u8fbe\u52302\u4ebf\uff0c\u5728\u4e92\u8054\u7f51\u7528\u6237\u4e2d\u7684\u5360\u6bd4\u4e0d\u4f4e\u4e8e20%\u3002<\/p>\n<p>\u52302020\u5e74\u672b\uff0c\u5e02\u573a\u9a71\u52a8\u7684\u826f\u6027\u53d1\u5c55\u73af\u5883\u65e5\u81fb\u5b8c\u5584\uff0cIPv6\u6d3b\u8dc3\u7528\u6237\u6570\u8d85\u8fc75\u4ebf\uff0c\u5728\u4e92\u8054\u7f51\u7528\u6237\u4e2d\u7684\u5360\u6bd4\u8d85\u8fc750%\uff0c\u65b0\u589e\u7f51\u7edc\u5730\u5740\u4e0d\u518d\u4f7f\u7528\u79c1\u6709IPv4\u5730\u5740\u3002<\/p>\n<p>\u52302025\u5e74\u672b\uff0c\u6211\u56fdIPv6\u7f51\u7edc\u89c4\u6a21\u3001\u7528\u6237\u89c4\u6a21\u3001\u6d41\u91cf\u89c4\u6a21\u4f4d\u5c45\u4e16\u754c\u7b2c\u4e00\u4f4d\uff0c\u7f51\u7edc\u3001\u5e94\u7528\u3001\u7ec8\u7aef\u5168\u9762\u652f\u6301IPv6\uff0c\u5168\u9762\u5b8c\u6210\u5411\u4e0b\u4e00\u4ee3\u4e92\u8054\u7f51\u7684\u5e73\u6ed1\u6f14\u8fdb\u5347\u7ea7\u3002<\/p>\n<p>\u7531\u6b64\u53ef\u89c1\uff0c\u9488\u5bf92018\u5e74\u5e95\u8981\u6c42\u5b8c\u62102\u4ebf\u6d3b\u8dc3\u7528\u6237\u7684\u76ee\u6807\uff0c\u5bf9\u4e8eISP\u3001ICP\u90fd\u662f\u4e00\u4e2a\u5f88\u5927\u7684\u6311\u6218\u3002\u800c\u4e14\uff0c\u5bf9\u4e8e\u56fd\u5bb6\u673a\u5173\u7684\u7f51\u7ad9\u7684IPv6\u8fc1\u79fb\u4e5f\u662f\u786c\u6027\u6307\u6807\u3002\u8fd9\u7ed9CDN\u5e02\u573a\u5e26\u6765\u4e86\u65b0\u673a\u9047\uff0c\u6709\u5f88\u5927\u7684\u673a\u4f1a\u4e3a\u5ba2\u6237\u3001\u6f5c\u5728\u5ba2\u6237\u5feb\u901f\u5b89\u5168\u5730\u5b9e\u73b0IPv6\u4e1a\u52a1\u5408\u89c4\u4e0a\u7ebf\u548c\u8fc1\u79fb\u3002\u672c\u6587\u5c06\u4e3a\u5927\u5bb6\u4ecb\u7ecdIPv6\u7684\u5173\u952e\u6280\u672f\u77e5\u8bc6\u70b9\u3002<\/p>\n<p><strong>IPv6\u5730\u5740<\/strong><\/p>\n<p>IPv4\u7684\u5730\u5740\u957f\u5ea6\u4e3a32\u4f4d\uff0c\u5730\u5740\u7a7a\u95f4\u4e3a2\u768432\u6b21\u65b9\uff0c\u7ea642\u4ebf\u4e2a(\u4e16\u754c\u4e0a\u5e73\u57473\u4e2a\u4eba\u67092\u4e2aIP\u5730\u5740)\u3002<\/p>\n<p>IPv6\u7684\u5730\u5740\u957f\u5ea6\u4e3a128\u4f4d\uff0c\u5730\u5740\u7a7a\u95f4\u4e3a2\u7684128\u6b21\u65b9\uff0c\u7ea63.4\u00d710^38\u4e2a\u3002<\/p>\n<p><strong>IPv6\u5730\u5740\u7684\u8868\u793a<\/strong><\/p>\n<p><strong>IPv4\u5730\u5740\u8868\u793a<\/strong><\/p>\n<p>\u4e8c\u8fdb\u5236\uff1a10101100 00010000 00000001 00000001<\/p>\n<p>\u5341\u8fdb\u5236\uff1a172.16.1.1<\/p>\n<p><strong>IPv6\u5730\u5740\u8868\u793a<\/strong><\/p>\n<p>\u5341\u516d\u8fdb\u5236\uff1a2001:0410:0000:0001:0000:0000:0000:45ff<\/p>\n<p>IPv6\u5730\u5740\u4e0eIPv4\u5730\u5740\u8868\u793a\u65b9\u6cd5\u6709\u6240\u4e0d\u540c\uff0c\u7528\u5341\u516d\u8fdb\u5236\u8868\u793a\uff0c4\u4f4d\u4e00\u7ec4\uff0c\u4e2d\u95f4\u7528\u201c:\u201d\u9694\u5f00\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/181023163719187019029.jpeg\" alt=\"\" width=\"500\" height=\"251\" \/><\/p>\n<p>IPv6\u5730\u5740\u7684\u538b\u7f29\u8868\u793a<\/p>\n<p>\u5982\u56fe\u53ef\u89c1\uff0c\u5730\u5740\u4e2d\uff0c\u4ee5\u201c0\u201d\u5f00\u5934\u7684\u7ec4\uff0c\u5c31\u53ef\u4ee5\u7701\u75650\uff0c\u800c\u591a\u4e2a\u8fde\u7eed\u7684\u51680\u5b57\u6bb5\uff0c\u5219\u901a\u8fc7\u201c::\u201d\u6765\u538b\u7f29\u4ee3\u66ff\u3002<\/p>\n<p>IPv6 \u5730\u5740 = \u524d\u7f00 + \u63a5\u53e3\u6807\u8bc6<\/p>\n<p>\u5176\u4e2d\uff0c\u524d\u7f00\u76f8\u5f53\u4e8eIPv4\u5730\u5740\u4e2d\u7684\u7f51\u7edcID\uff0c\u63a5\u53e3\u6807\u8bc6\u5219\u76f8\u5f53\u4e8eIPv4\u5730\u5740\u4e2d\u7684\u4e3b\u673aID\u3002\u524d\u7f00\u957f\u5ea6\u5c31\u662f\u548cIPv4\u5730\u5740\u6807\u8bc6\u4e00\u6837\uff0c\u91c7\u7528\/xx\u6765\u8868\u793a\uff0c\u5982\uff1a2001:da8:207::8207\/64\u3002<\/p>\n<p><strong>IPv6\u5730\u5740\u5206\u7c7b<\/strong><\/p>\n<p><strong>\u5355\u64ad\u5730\u5740\uff08unicast address\uff09<\/strong><\/p>\n<p>\u5982\u540c IPv4 \u7684Unicast\u6a21\u5f0f\uff0c\u9002\u7528\u5728\u5355\u4e00\u8282\u70b9\u5bf9\u5355\u4e00\u8282\u70b9\u7684\u6570\u636e\u4f20\u9001\u3002\u6807\u8bc6\u4e00\u4e2a\u63a5\u53e3\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u5355\u64ad\u5730\u5740\u7684\u62a5\u6587\u4f1a\u88ab\u9001\u5230\u88ab\u6807\u8bc6\u7684\u63a5\u53e3\u3002<\/p>\n<p>\u8fd9\u79cd\u7c7b\u578b\u7684IPv6\u5730\u5740\u53ef\u533a\u5206\u4e3aGlobal\u3001Site-Local\u3001Link-Local\u548cIPv4-Compatible 4\u79cd\u578b\u6001\u3002<\/p>\n<p><strong>\u4e0b\u9762\u9488\u5bf9\u8fd9\u51e0\u79cd\u7c7b\u578b\u52a0\u4ee5\u4ecb\u7ecd\uff1a<\/strong><\/p>\n<p><strong>Global \u5730\u5740<\/strong><\/p>\n<p>\u524d3bits\u4e3a\u9996\u7801\uff0c\u5185\u5bb9\u56fa\u5b9a\u662f001\uff0c\u6700\u540e\u768464bits\u4e3a\u63a5\u53e3\u6807\u8bc6(Interface ID)\u3002Interface ID\u7684\u529f\u80fd\u5982\u540cIPv4\u7684\u4e3b\u673a\u5730\u5740(Host ID)\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637191425106972.png\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000<strong>Site-Local \u5730\u5740<\/strong><\/p>\n<p>\u524d10bits\u4e3a\u9996\u7801\uff0c\u5185\u5bb9\u56fa\u5b9a\u4e3a1111111011\uff0c\u95f4\u969438bits\u76840\u4e4b\u540e\uff0c\u63a5\u774016bits \u7684\u5b50\u7f51\u5730\u5740(Subnet ID)\uff0c\u6700\u540e\u624d\u662f 64bits\u7684\u63a5\u53e3\u6807\u8bc6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/181023163718892333523.jpeg\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000<strong>Link-Local \u5730\u5740<\/strong><\/p>\n<p>\u4e5f\u662f\u7528\u524d10bits\u4e3a\u9996\u7801\uff0c\u5185\u5bb9\u56fa\u5b9a\u4e3a1111111010\uff0c\u63a5\u7740\u662f\u8fde\u7eed54bits\u76840\uff0c\u6700\u540e\u768464bits\u4e5f\u662f\u63a5\u53e3\u6807\u8bc6\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637181114279015.png\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000<strong>IPv4-Compatible \u5730\u5740<\/strong><\/p>\n<p>\u6ca1\u6709\u6240\u8c13\u7684\u9996\u7801\u4e0e\u63a5\u53e3\u6807\u8bc6\uff0c\u53ea\u6709\u539f\u672c32bits\u7684IPv4\u5730\u5740\u524d\u9762\uff0c\u52a0\u4e0a96bits\u76840\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/181023163719440003075.png\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000<strong>\u7ec4\u64ad\u5730\u5740 \uff08multicast address\uff09<\/strong><\/p>\n<p>IPv6\u7684\u7ec4\u64ad\u6574\u5408\u4e86IPv4\u7684Multicast\u53ca\u5e7f\u64ad\u4f20\u9001 (Broadcast)\uff0c\u9002\u7528\u4e8e\u5355\u4e00\u8282\u70b9\u5bf9\u591a\u8282\u70b9\u7684\u4f20\u9001\u3002\u6807\u8bc6\u591a\u4e2a\u63a5\u53e3\uff0c\u76ee\u7684\u5730\u5740\u4e3a\u7ec4\u64ad\u5730\u5740\u7684\u62a5\u6587\u4f1a\u88ab\u9001\u5230\u88ab\u6807\u8bc6\u7684\u6240\u6709\u63a5\u53e3\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637191607746739.png\" alt=\"\" width=\"500\" height=\"64\" \/><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/181023163719149621397.jpeg\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000\u800c4-bit\u7684lifetime\u5982\u679c\u53d6\u503c0\uff0c\u5219\u4e3a\u6c38\u4e45\u5c5e\u6027\uff0c\u800c\u53d6\u503c1\uff0c\u5219\u4e3a\u4e34\u65f6\u5c5e\u6027\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u7ec4\u64ad\u5730\u5740\u6709\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637181115971923.jpeg\" alt=\"\" width=\"500\" height=\"198\" \/>\u3000\u3000<strong>\u4efb\u64ad\u5730\u5740 \uff08anycast address\uff09<\/strong><\/p>\n<p>Anycast\u7684\u7279\u6b8a\u4e4b\u5904\u5728\u4e8e\uff1a\u4e00\u4e2aAnycast\u5730\u5740\u53ef\u4ee5\u88ab\u591a\u4e2a\u8282\u70b9\u4f7f\u7528\uff0c\u4f46\u662f\u4f20\u9001\u7ed9\u6b64\u5730\u5740\u7684\u62a5\u6587\uff0c\u5e76\u975e\u771f\u7684\u5c06\u5b83\u9001\u5230\u8fd9\u4e9b\u8282\u70b9\u6765\uff0c\u800c\u4ec5\u4ec5\u662f\u9001\u7ed9\u8ddd\u79bb\u6700\u8fd1\u6216\u6210\u672c\u6700\u4f4e(\u6839\u636e\u8def\u7531\u8868\u6765\u5224\u65ad)\u7684\u4e00\u4e2a\u8282\u70b9\u3002<\/p>\n<p>\u4ee5RFC4291\u7684\u89c4\u5b9a\uff0c\u76ee\u524d\u7684Anycast\u5730\u5740\u53ea\u80fd\u5206\u914d\u7ed9\u8def\u7531\u5668\uff0c\u4e0d\u80fd\u5206\u914d\u7ed9\u7535\u8111\u4f7f\u7528\uff0c\u800c\u4e14\u4e0d\u80fd\u4f5c\u4e3a\u53d1\u9001\u7aef\u7684\u5730\u5740\u3002\u8fd9\u79cdIPv6\u5730\u5740\u7684\u9996\u7801\u957f\u5ea6\u4e0d\u56fa\u5b9a\uff0c\u9996\u7801\u4ee5\u5916\u7684\u4f4d\u5143\u90fd\u662f0\u3002<\/p>\n<p><strong>\u8bbe\u5907IPv6\u5730\u5740\u7684\u8bbe\u7f6e\u65b9\u5f0f<\/strong><\/p>\n<p>\u7531\u524d\u6587\u53ef\u77e5\uff0c\u8bbe\u5907\u7684\u540e64bit\u7684\u5730\u5740\u662f\u548c\u8bbe\u5907\u76f8\u5173\u7684\u3002\u56e0\u6b64\u5982\u4f55\u8bbe\u7f6e\u8fd964bit\u7684\u5730\u5740\u6bb5\u5219\u5c31\u662f\u8bbe\u5907\u76f8\u5173\u7684\u3002<\/p>\n<p>\u76ee\u524d\uff0c\u5171\u67094\u79cd\u8bbe\u7f6e\u65b9\u5f0f\uff1a<\/p>\n<p>\u901a\u8fc7EUI-64\u8bbe\u7f6e\u7684<\/p>\n<p>\u901a\u8fc7\u81ea\u52a8\u751f\u6210\u7684\u4f2a\u968f\u673a\u6570\u8bbe\u7f6e\u7684<\/p>\n<p>\u901a\u8fc7DHCPv6\u8bbe\u7f6e<\/p>\n<p>\u624b\u52a8\u8bbe\u7f6e<\/p>\n<p><strong>EUI-64<\/strong><\/p>\n<p>EUI-64\u5c31\u662f\u901a\u8fc7\u8bbe\u5907\u7684MAC\u5730\u5740\u6765\u751f\u6210\u8fd964bit\u5730\u5740\u5b57\u6bb5\u3002\u800c\u7531\u4e8eMAC\u5730\u5740\u662f48bit\uff0c\u901a\u8fc7\u5c0648bit\u7684MAC\u5730\u5740\u5bf9\u5206\u4e3a\u4e24\u6bb5\uff0c\u4e24\u6bb5\u4e4b\u95f4\u586b\u51650xFFFE\u6765\u8865\u9f50\u4e3a64bit\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637181307001366.jpeg\" alt=\"\" width=\"500\" height=\"181\" \/>\u3000\u3000<strong>\u81ea\u52a8\u751f\u6210\u7684\u4f2a\u968f\u673a\u6570<\/strong><\/p>\n<p>\u9488\u5bf9EUI-64\u6709\u53ef\u80fd\u9020\u6210\u7684\u4e3b\u673aMAC\u5730\u5740\u548cIPv6\u5730\u5740\u5bf9\u5e94\u5173\u7cfb\u6240\u5f15\u53d1\u7684\u5b89\u5168\u9690\u60a3\uff0c\u91c7\u7528\u81ea\u52a8\u751f\u6210\u7684\u4f2a\u968f\u673a\u6570\u6765\u89c4\u907f\u7684\u65b9\u6cd5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637191759130434.png\" alt=\"\" width=\"500\" height=\"64\" \/>\u3000\u3000<strong>ICMPv6 \u548cNeighbor \u00a0Discovery<\/strong><\/p>\n<p>ICMPv6 \u662f\u57fa\u4e8eRFC 2463\uff0c\u76f8\u5bf9\u4e8eIPv4\u7684ICMP\u7684\u6f14\u8fdb\uff0c\u57fa\u672c\u7684\u4fe1\u4ee4\u6a21\u5f0f\u662f\u7c7b\u4f3c\u7684\uff0c\u4f46\u662f\u4fe1\u4ee4\u7684\u79cd\u7c7b\u548ccode\u8fdb\u884c\u4e86\u53d8\u5316\u3002<\/p>\n<p>ICMPv6\uff0c\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u4fe1\u606f\u7684\u627f\u8f7d\uff1a<\/p>\n<p>\u9519\u8bef\u4fe1\u606f<\/p>\n<p>\u63d0\u793a\u7c7b\u4fe1\u606f<\/p>\n<p>MTU\u7684\u8def\u5f84\u63a2\u6d4b<\/p>\n<p>Neighbor Discovery<\/p>\n<p><strong>ICMPv6\u7684\u9519\u8bef\u4fe1\u606f<\/strong><\/p>\n<p><strong>\u76ee\u6807\u4e0d\u53ef\u8fbe (ICMP packet type1)<\/strong><\/p>\n<p>\u76ee\u6807\u4e0d\u53ef\u8fbe\u4f1a\u901a\u8fc7\u89e3\u91ca\u7801\u6765\u544a\u77e5\u4e0d\u53ef\u8fbe\u7684\u539f\u56e0\uff1a<\/p>\n<p>o 0 &#8211; No route to destination<\/p>\n<p>o 1 &#8211; Access is administratively prohibited<\/p>\n<p>o 3 &#8211; Address unreachable<\/p>\n<p>o 4 &#8211; Port unreachable<\/p>\n<p><strong>\u6570\u636e\u5305\u592a\u5927 (ICMP packet type2)<\/strong><\/p>\n<p>\u8bf4\u660e\u6570\u636e\u5305\u5927\u4e8eIPv6\u94fe\u8def\u7684MTU\u3002\u7531\u4e8eIPv6\u4e0d\u4f1a\u6839\u636eMTU\u800c\u5c06\u6570\u636e\u5305\u5206\u5305\uff0c\u6240\u4ee5\u4f1a\u901a\u8fc7ICMP\u4fe1\u606f\u901a\u77e5\u6e90\u6570\u636e\u5305\u5927\u4e8eMTU\u3002<\/p>\n<p><strong>\u8d85\u65f6 (ICMP packet type3)<\/strong><\/p>\n<p>\u8d85\u51fa\u4e86\u8df3\u6570\u3002<\/p>\n<p><strong>\u53c2\u6570\u9519 (ICMP packet type4)<\/strong><\/p>\n<p>\u540c\u6837\u7684\uff0c\u6709\u4e2a\u89e3\u91ca\u7801\u6765\u544a\u77e5\u539f\u56e0\uff1a<\/p>\n<p>o 0 &#8211; Erroneous header field<\/p>\n<p>o 1 &#8211; Unrecognized next-header type<\/p>\n<p>o 2 &#8211; Unrecognized IPv6 option<\/p>\n<p><strong>Neighbor Discovery<\/strong><\/p>\n<p>Neighbor Discovery Protocol\u63d0\u4f9b\u4e86IPv6\u4e0b\u8bbe\u5907\u4f7f\u80fd\u7684\u80fd\u529b\uff1a<\/p>\n<p>\u81ea\u52a8\u914d\u7f6e\u5730\u5740\u548c\u5730\u5740\u524d\u7f00\u7684\u53d1\u73b0<\/p>\n<p>\u51b2\u7a81\u5730\u5740\u7684\u53d1\u73b0<\/p>\n<p>MTU\u7684\u53d1\u73b0<\/p>\n<p>\u8def\u7531\u53d1\u73b0<\/p>\n<p>\u5730\u5740\u89e3\u6790<\/p>\n<p>IPv6\u7684\u8def\u7531\u5668\u5b9a\u671f\u53d1\u9001Router Advertisement (RA)\uff0c\u6765\u63d0\u793a\u8def\u7531\u7684\u5b58\u5728\u548c\u63d0\u4f9b\u4e3b\u673a\u7684\u914d\u7f6e\u4fe1\u606f\u3002RA\u4fe1\u606f\u662fICMP type 134 \u4fe1\u606f\uff0c\u4ece\u53d1\u9001\u8def\u7531\u5668\u7684\u5355\u64ad\u5730\u5740\u4f5c\u4e3a\u6e90\uff0c\u76ee\u7684\u5730\u5740\u662flink-scope all-nodes\u7684\u7ec4\u64ad\u5730\u5740\u3002RA\u8bbe\u7f6e255\u4e3a\u8df3\u6570\u9650\u5236\uff0c\u800c\u4e14\u4e0d\u80fd\u53d1\u9001\u5230local link\u4e4b\u5916\u7684\u7f51\u7edc\u3002<\/p>\n<p>\u4e3b\u673a\u901a\u8fc7RA\u6765\u8fdb\u884c\u672c\u673a\u7684\u8def\u7531\u914d\u7f6e\uff0c\u800c\u4e3b\u673a\u4e5f\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001Router Solicitation( RS) \u6765\u8bf7\u6c42RA \u3002<\/p>\n<p><strong>IPv6\u548cDNS<\/strong><\/p>\n<p>\u76f8\u5bf9\u4e8eIPv4\u7684DNS\u4e2d\uff0chostname\u5230IP\u7684\u89e3\u6790\uff0cIPv6\u7684DNS\u4e2d\uff0c\u4ecehost\u90a3\u4e48\u5230IP\u7684\u89e3\u6790\u662f\u4ec0\u4e48\u6837\u7684\u5462?<\/p>\n<p><strong>IPv6\u4e2d\uff0c\u76f8\u5bf9\u4e8eIPv4\u7684A\u8bb0\u5f55\uff0c\u662fAAAA\u8bb0\u5f55\uff0c\u6bd4\u5982\uff1a<\/strong><\/p>\n<p>AAAA record:<\/p>\n<p>www.abc.test AAAA 2001:db8:C18:1::2<\/p>\n<p><strong>\u800cIPv6\u4e2d\uff0c\u76f8\u5bf9\u4e8eIPv4\u7684PTR\u8bb0\u5f55\uff0c\u5176PTR\u5c31\u8981\u957f\u7684\u591a\u4e86\uff1a<\/strong><\/p>\n<p>PTR record:<\/p>\n<p>2.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.0.0.0.8.1.c.0.<\/p>\n<p>8.b.d.0.1.0.0.2.ip6.arpa PTR www.abc.test.<\/p>\n<p><strong>IPv6\u4e0b\u7684\u79fb\u52a8IP<\/strong><\/p>\n<p>RFC 3775\u5c06\u79fb\u52a8IPv6\u534f\u8bae\u5b9a\u4e49\u4e3a\uff1a\u4e0d\u7ba1IPv6\u8282\u70b9\u4f4d\u4e8eIPv6\u7f51\u7edc\u7684\u4f55\u5904\u4ee5\u53ca\u4e0e\u79fb\u52a8IPv6\u8282\u70b9\u901a\u4fe1\u7684\u5176\u4ed6\u8282\u70b9\u662f\u5426\u652f\u6301\u79fb\u52a8IPv6\uff0c\u59cb\u7ec8\u53ef\u4ee5\u5bf9IPv6\u8282\u70b9\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<p>\u79fb\u52a8IPv6\u4ece\u79fb\u52a8IPv4\u4e2d\u501f\u9274\u4e86\u8bb8\u591a\u6982\u5ff5\u548c\u672f\u8bed\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>\u79fb\u52a8\u8282\u70b9(MN)<\/p>\n<p>\u5bb6\u4e61\u4ee3\u7406(HA)<\/p>\n<p>\u5bb6\u4e61\u5730\u5740<\/p>\n<p>\u5bb6\u4e61\u94fe\u8def<\/p>\n<p>\u8f6c\u4ea4\u5730\u5740<\/p>\n<p>\u5916\u5730\u94fe\u8def<\/p>\n<p><strong>\u79fb\u52a8IP\u7684\u673a\u5236\u5b9e\u73b0<\/strong><\/p>\n<p>\u5f53\u79fb\u52a8\u8282\u70b9\u5728\u5bb6\u4e61\u94fe\u8def\u65f6\uff0c\u5b83\u4e0e\u901a\u4fe1\u8282\u70b9\u91c7\u7528\u4f20\u7edf\u7684\u8def\u7531\u65b9\u5f0f\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637191117660475.jpeg\" alt=\"\" width=\"500\" height=\"246\" \/>\u3000\u3000\u5f53\u79fb\u52a8\u8282\u70b9\u79fb\u52a8\u5230\u5916\u5730\u94fe\u8def\uff0c\u901a\u8fc7\u65e0\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u6216\u6709\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u8f6c\u4ea4\u5730\u5740\u3002\u7136\u540e\u79fb\u52a8\u8282\u70b9\u6ce8\u518c\u5b83\u7684primary\u8f6c\u4ea4\u5730\u5740\u5230\u5bb6\u4e61\u94fe\u8def\u7684\u4e00\u4e2a\u8def\u7531\u5668\u4e0a\uff0c\u8bf7\u6c42\u8fd9\u4e2a\u8def\u7531\u5668\u5145\u5f53\u5b83\u7684\u5bb6\u4e61\u4ee3\u7406\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u79f0\u4e3a\u201c\u7ed1\u5b9a\u201d\u3002\u79fb\u52a8\u8282\u70b9\u901a\u8fc7\u53d1\u9001\u201cbinding update\u201d\u7684\u6d88\u606f\uff0c\u7136\u540e\u5bb6\u4e61\u4ee3\u7406\u56de\u5e94\u201cbinding acknowledgement\u201d\u6765\u5b8c\u6210\u201c\u7ed1\u5b9a\u201d\u8fc7\u7a0b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637191882555132.jpeg\" alt=\"\" width=\"500\" height=\"246\" \/>\u3000\u3000<strong>\u5728\u8fd9\u6837\u7684\u573a\u666f\u4e0b\uff0c\u79fb\u52a8\u8282\u70b9\u53ef\u4ee5\u6709\u4e24\u79cd\u65b9\u5f0f\u548c\u901a\u4fe1\u8282\u70b9\u8fdb\u884c\u901a\u4fe1\uff1a<\/strong><\/p>\n<p><strong>\u30101\u3011 \u53cc\u5411\u96a7\u9053\u6a21\u5f0f<\/strong><\/p>\n<p>\u901a\u4fe1\u8282\u70b9\u4e0d\u8981\u6c42\u652f\u6301\u79fb\u52a8IPv6\uff0c\u4e5f\u4e0d\u9700\u8981\u79fb\u52a8\u8282\u70b9\u548c\u901a\u4fe1\u8282\u70b9\u95f4\u7ed1\u5b9a\u6ce8\u518c\u3002\u901a\u4fe1\u8282\u70b9\u4e0d\u77e5\u9053\u79fb\u52a8\u8282\u70b9\u7684\u8f6c\u4ea4\u5730\u5740\uff0c\u5b83\u5c31\u50cf\u5411\u5176\u4ed6\u4efb\u4f55\u56fa\u5b9a\u8282\u70b9\u53d1\u9001\u6570\u636e\u5305\u90a3\u6837\u5411\u79fb \u52a8\u8282\u70b9\u53d1\u9001\u6570\u636e\u5305\u3002\u901a\u4fe1\u8282\u70b9\u53ea\u662f\u5c06\u79fb\u52a8\u8282\u70b9\u7684\u5bb6\u4e61\u5730\u5740(\u5b83\u77e5\u9053\u7684\u552f\u4e00\u5730\u5740)\u653e\u5165\u76ee\u7684IPv6\u5730\u5740\u57df\u4e2d\uff0c\u5e76\u5c06\u5b83\u81ea\u5df1\u7684\u5730\u5740\u653e\u5728\u6e90IPv6\u5730\u5740\u57df\u4e2d\uff0c\u7136\u540e\u5c06\u6570 \u636e\u5305\u8fdb\u884c\u8f6c\u53d1\u3002\u8fd9\u6837\uff0c\u6570\u636e\u5305\u5c06\u88ab\u9001\u5f80\u79fb\u52a8\u8282\u70b9\u7684\u5bb6\u4e61\u94fe\u8def\uff0c\u5c31\u50cf\u79fb\u52a8IPv4\u4e2d\u90a3\u6837\u3002\u5728\u5bb6\u4e61\u94fe\u8def\u4e0a\uff0c\u5bb6\u4e61\u4ee3\u7406\u4e0a\u4f7f\u7528\u201c\u4ee3\u7406\u90bb\u5c45\u534f\u8bae\u201d(proxy ND)\uff0c\u622a\u83b7\u8fd9\u4e2a\u6570\u636e\u5305\uff0c\u7136\u540e\u628a\u8fd9\u4e2a\u5305\u4f5c\u4e3a\u51c0\u8377\uff0c\u5728\u5176\u4e0a\u9762\u518d\u52a0\u4e0a\u4e00\u5c42IPv6\u62a5\u5934\uff0c\u628a\u65b0\u7684\u6570\u636e\u5305\u53d1\u9001\u5230\u79fb\u52a8\u8282\u70b9\u7684\u8f6c\u4ea4\u5730\u5740\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5e94\u7528\u7684\u662f\u201c\u96a7\u9053\u6280\u672f\u201d\u3002\u79fb\u52a8\u8282\u70b9\u5c06\u9001\u8fc7\u6765\u7684\u5305\u62c6\u5c01\uff0c\u53d1\u73b0\u5185\u5c42\u6570\u636e\u5305\u7684\u76ee\u7684\u5730\u662f\u5b83\u7684\u5bb6\u4e61\u5730\u5740\uff0c\u4e8e\u662f\u5c06\u5185\u5c42\u6570\u636e\u5305\u4ea4\u7ed9\u9ad8\u5c42\u534f\u8bae\u5904\u7406\u3002\u4ece\u79fb\u52a8\u8282\u70b9\u53d1\u5f80\u901a\u4fe1\u8282\u70b9\u7684\u4ece\u201c\u53cd\u5411\u96a7\u9053\u201d\u53d1\u5f80\u5bb6\u4e61\u4ee3\u7406\uff0c\u7136\u540e\u6309\u7167\u4f20\u7edf\u7684\u8def\u7531\u65b9\u5f0f\u53d1\u9001\u5230\u79fb\u52a8\u8282\u70b9\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/181023163719866018658.jpeg\" alt=\"\" width=\"500\" height=\"263\" \/>\u3000\u3000<strong>\u30102\u3011\u8def\u7531\u4f18\u5316\u7684\u901a\u4fe1\u6a21\u5f0f<\/strong><\/p>\n<p>\u9700\u8981\u901a\u4fe1\u8282\u70b9\u5fc5\u987b\u652f\u6301\u79fb\u52a8IPv6\uff0c\u800c\u4e14\u79fb\u52a8\u8282\u70b9\u6ce8\u518c\u4e86\u5b83\u7684\u7ed1\u5b9a\u8fde\u63a5\u5230\u901a\u4fe1\u8282\u70b9\u3002\u5f53\u901a\u4fe1\u8282\u70b9\u53d1\u9001\u62a5\u6587\u5230\u79fb\u52a8\u8282\u70b9\u65f6\uff0c\u9996\u5148\u4ece\u5176\u7ed1\u5b9a\u7f13\u5b58\u4e2d\u67e5\u627e\u5305\u542b\u79fb\u52a8\u8282\u70b9\u7684 IP\u5730\u5740\u7684\u6761\u76ee\uff0c\u5982\u679c\u627e\u5230\uff0c\u5219\u4f7f\u7528type 2 \u8def\u7531\u5934\u6765\u53d1\u9001\u62a5\u6587(\u62a5\u6587\u7684\u76ee\u7684IP\u5730\u5740\u4e3a\u79fb\u52a8\u8282\u70b9\u7684\u8f6c\u4ea4\u5730\u5740)\uff0ctype 2\u8def\u7531\u5934\u91cc\u5305\u542b\u4e86\u79fb\u52a8\u8282\u70b9\u7684\u5bb6\u4e61\u5730\u5740\uff0c\u5f53\u62a5\u6587\u5230\u8fbe\u79fb\u52a8\u8282\u70b9\u7684\u8f6c\u4ea4\u5730\u5740\u65f6\uff0c\u79fb\u52a8\u8282\u70b9\u628a\u8def\u7531\u5934\u91cc\u7684Home address\u4f5c\u4e3a\u62a5\u6587\u6700\u540e\u7684\u76ee\u7684\u5730\u5740\uff0c\u7136\u540e\u79fb\u52a8\u8282\u70b9\u5224\u65ad\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u4e3a\u81ea\u5df1\u7684\u5bb6\u4e61\u5730\u5740\uff0c\u5219\u5c06\u5185\u5c42\u6570\u636e\u5305\u4ea4\u7ed9\u9ad8\u5c42\u534f\u8bae\u5904\u7406\u3002\u7c7b\u4f3c\u7684\uff0c\u79fb\u52a8\u8282\u70b9\u4f7f\u7528home address option\u6765\u901a\u77e5\u901a\u4fe1\u8282\u70b9\u81ea\u5df1\u7684\u5bb6\u4e61\u5730\u5740\u3002\u8def\u7531\u4f18\u5316\u6d88\u9664\u4e86\u4e0e\u53cc\u5411\u96a7\u9053\u5411\u5173\u8054\u7684\u4f20\u8f93\u5ef6\u8fdf\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/drbd01.oss-cn-shanghai.aliyuncs.com\/1810231637181145307239.jpeg\" alt=\"\" width=\"500\" height=\"246\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>2017\u5e7411\u6708\u201c\u4e24\u529e\u201d\u5370\u53d1\u4e86\u300a\u63a8\u8fdb\u4e92\u8054\u7f51\u534f\u8bae\u7b2c\u516d\u7248(IPv6)\u89c4\u6a21\u90e8\u7f72\u884c\u52a8\u8ba1\u5212\u300b\uff0c\u4f7f\u5f97IPv6\u5f00\u59cb\u843d\u5730\uff0c\u5e76\u5f3a\u5236\u6267\u884c\u3002\u8ba1\u5212\u63d0\u51fa\u8981\u7528 <a class=\"mh-excerpt-more\" href=\"https:\/\/cn.dailyeconomic.com\/tech\/2018\/10\/23\/1216.html\" title=\"\u84dd\u6c5bIPv6\u7684\u57fa\u7840\u3001\u8fc1\u79fb\u548c\u5b89\u5168\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":2,"featured_media":1220,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1216","post","type-post","status-publish","format-standard","has-post-thumbnail","category-news"],"_links":{"self":[{"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/posts\/1216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/comments?post=1216"}],"version-history":[{"count":2,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/posts\/1216\/revisions"}],"predecessor-version":[{"id":1219,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/posts\/1216\/revisions\/1219"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/media\/1220"}],"wp:attachment":[{"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/media?parent=1216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/categories?post=1216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cn.dailyeconomic.com\/tech\/wp-json\/wp\/v2\/tags?post=1216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}