{"id":699,"date":"2018-03-15T15:42:32","date_gmt":"2018-03-15T07:42:32","guid":{"rendered":"http:\/\/www.max-shu.com\/blog\/?p=699"},"modified":"2018-03-15T15:56:39","modified_gmt":"2018-03-15T07:56:39","slug":"ipv6%e5%9c%b0%e5%9d%80%e6%a0%bc%e5%bc%8f%e3%80%81icmpv6%e3%80%81%e9%82%bb%e5%b1%85%e5%8f%91%e7%8e%b0ndp%e3%80%81dhcpv6%e3%80%81slaac%e3%80%81path-mtu%ef%bc%88pmtu%ef%bc%89","status":"publish","type":"post","link":"http:\/\/www.max-shu.com\/blog\/?p=699","title":{"rendered":"IPv6\u5730\u5740\u683c\u5f0f\u3001ICMPv6\u3001\u90bb\u5c45\u53d1\u73b0NDP\u3001DHCPv6\u3001SLAAC\u3001Path-MTU\uff08PMTU\uff09"},"content":{"rendered":"<h1>IPv6\u5730\u5740<\/h1>\n<h4>IPv6\u5730\u5740\u7684\u8868\u793a\u65b9\u6cd5<\/h4>\n<div>IPv6\u5730\u5740\u603b\u957f\u5ea6\u4e3a128\u6bd4\u7279\uff0c\u901a\u5e38\u5206\u4e3a8\u7ec4\uff0c\u6bcf\u7ec4\u4e3a4\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u7684\u5f62\u5f0f\uff0c\u6bcf\u7ec4\u5341\u516d\u8fdb\u5236\u6570\u95f4\u7528\u5192\u53f7\u5206\u9694\u3002\u4f8b\u5982\uff1aFC00:0000:130F:0000:0000:09C0:876A:130B\uff0c\u8fd9\u662fIPv6\u5730\u5740\u7684\u9996\u9009\u683c\u5f0f\u3002<\/div>\n<div>\u4e3a\u4e86\u4e66\u5199\u65b9\u4fbf\uff0cIPv6\u8fd8\u63d0\u4f9b\u4e86\u538b\u7f29\u683c\u5f0f\uff0c\u4ee5\u4e0a\u8ff0IPv6\u5730\u5740\u4e3a\u4f8b\uff0c\u5177\u4f53\u538b\u7f29\u89c4\u5219\u4e3a\uff1a<\/div>\n<ul>\n<li>\u6bcf\u7ec4\u4e2d\u7684\u524d\u5bfc\u201c0\u201d\u90fd\u53ef\u4ee5\u7701\u7565\uff0c\u6240\u4ee5\u4e0a\u8ff0\u5730\u5740\u53ef\u5199\u4e3a\uff1aFC00:0:130F:0:0:9C0:876A:130B\u3002<\/li>\n<li>\u5730\u5740\u4e2d\u5305\u542b\u7684\u8fde\u7eed\u4e24\u4e2a\u6216\u591a\u4e2a\u5747\u4e3a0\u7684\u7ec4\uff0c\u53ef\u4ee5\u7528\u53cc\u5192\u53f7\u201c::\u201d\u6765\u4ee3\u66ff\uff0c\u6240\u4ee5\u4e0a\u8ff0\u5730\u5740\u53c8\u53ef\u4ee5\u8fdb\u4e00\u6b65\u7b80\u5199\u4e3a\uff1aFC00:0:130F::9C0:876A:130B\u3002<\/li>\n<\/ul>\n<div><strong>\u8bf4\u660e\uff1a<\/strong><\/div>\n<div>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5728\u4e00\u4e2aIPv6\u5730\u5740\u4e2d\u53ea\u80fd\u4f7f\u7528\u4e00\u6b21\u53cc\u5192\u53f7\u201c::\u201d\uff0c\u5426\u5219\u5f53\u8ba1\u7b97\u673a\u5c06\u538b\u7f29\u540e\u7684\u5730\u5740\u6062\u590d\u6210128\u4f4d\u65f6\uff0c\u65e0\u6cd5\u786e\u5b9a\u6bcf\u4e2a\u201c::\u201d\u4ee3\u88680\u7684\u4e2a\u6570\u3002<\/div>\n<div><\/div>\n<div>\n<div>\u5982\u679c\u5728 IPv6 \u5730\u5740\u540e\u9762\u5305\u62ec TCP \u6216 UDP \u7f51\u7edc\u7aef\u53e3\uff0c\u8bf7\u59cb\u7ec8\u5c06 IPv6 \u5730\u5740\u5305\u62ec\u5728\u65b9\u62ec\u53f7\u4e2d\uff0c\u4ee5\u4fbf\u7aef\u53e3\u4e0d\u4f1a\u88ab\u8bef\u8ba4\u4e3a\u662f\u5730\u5740\u7684\u4e00\u90e8\u5206\u3002\u6bd4\u5982\uff1a [2001:db8:0:10:]:80<\/div>\n<\/div>\n<h4>IPv6\u5730\u5740\u7684\u7ed3\u6784<\/h4>\n<div>\u4e00\u4e2aIPv6\u5730\u5740\u53ef\u4ee5\u5206\u4e3a\u5982\u4e0b\u4e24\u90e8\u5206\uff1a<\/div>\n<ul>\n<li>\u7f51\u7edc\u524d\u7f00\uff1an\u6bd4\u7279\uff0c\u76f8\u5f53\u4e8eIPv4\u5730\u5740\u4e2d\u7684\u7f51\u7edcID<\/li>\n<li>\u63a5\u53e3\u6807\u8bc6\uff1a128-n\u6bd4\u7279\uff0c\u76f8\u5f53\u4e8eIPv4\u5730\u5740\u4e2d\u7684\u4e3b\u673aID<\/li>\n<\/ul>\n<div><strong>\u8bf4\u660e\uff1a<\/strong><\/div>\n<div>\u5bf9\u4e8eIPv6\u5355\u64ad\u5730\u5740\u6765\u8bf4\uff0c\u5982\u679c\u5730\u5740\u7684\u524d\u4e09bit\u4e0d\u662f000\uff0c\u5219\u63a5\u53e3\u6807\u8bc6\u5fc5\u987b\u4e3a64\u4f4d\uff1b\u5982\u679c\u5730\u5740\u7684\u524d\u4e09\u4f4d\u662f000\uff0c\u5219\u6ca1\u6709\u6b64\u9650\u5236\u3002<\/div>\n<div><\/div>\n<div>\u63a5\u53e3\u6807\u8bc6\u53ef\u901a\u8fc7\u4e09\u79cd\u65b9\u6cd5\u751f\u6210\uff1a\u624b\u5de5\u914d\u7f6e\u3001\u7cfb\u7edf\u901a\u8fc7\u8f6f\u4ef6\u81ea\u52a8\u751f\u6210\u6216IEEE EUI-64\u89c4\u8303\u751f\u6210\u3002\u5176\u4e2d\uff0cEUI-64\u89c4\u8303\u81ea\u52a8\u751f\u6210\u6700\u4e3a\u5e38\u7528\u3002<\/div>\n<div><\/div>\n<div>IEEE EUI-64\u89c4\u8303\u662f\u5c06\u63a5\u53e3\u7684MAC\u5730\u5740\u8f6c\u6362\u4e3aIPv6\u63a5\u53e3\u6807\u8bc6\u7684\u8fc7\u7a0b\u3002\u5982\u56fe1\u6240\u793a\uff0cMAC\u5730\u5740\u7684\u524d24\u4f4d\uff08\u7528c\u8868\u793a\u7684\u90e8\u5206\uff09\u4e3a\u516c\u53f8\u6807\u8bc6\uff0c\u540e24\u4f4d\uff08\u7528m\u8868\u793a\u7684\u90e8\u5206\uff09\u4e3a\u6269\u5c55\u6807\u8bc6\u7b26\u3002\u4ece\u9ad8\u4f4d\u6570\uff0c\u7b2c7\u4f4d\u662f0\u8868\u793a\u4e86MAC\u5730\u5740\u672c\u5730\u552f\u4e00\u3002\u8f6c\u6362\u7684\u7b2c\u4e00\u6b65\u5c06FFFE\u63d2\u5165MAC\u5730\u5740\u7684\u516c\u53f8\u6807\u8bc6\u548c\u6269\u5c55\u6807\u8bc6\u7b26\u4e4b\u95f4\uff0c\u7b2c\u4e8c\u6b65\u5c06\u4ece\u9ad8\u4f4d\u6570\uff0c\u7b2c7\u4f4d\u76840\u6539\u4e3a1\u8868\u793a\u6b64\u63a5\u53e3\u6807\u8bc6\u5168\u7403\u552f\u4e00\u3002<\/div>\n<div><\/div>\n<div>\u56fe1 EUI-64\u89c4\u8303\u793a\u610f\u56fe<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-702\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-12.png\" alt=\"\" width=\"511\" height=\"181\" \/><\/div>\n<div>\u4f8b\u5982\uff1aMAC\u5730\u5740\uff1a000E-0C82-C4D4\uff1b\u8f6c\u6362\u540e\uff1a020E:0CFF:FE82:C4D4\u3002<\/div>\n<div><\/div>\n<div>\u8fd9\u79cd\u7531MAC\u5730\u5740\u4ea7\u751fIPv6\u5730\u5740\u63a5\u53e3\u6807\u8bc6\u7684\u65b9\u6cd5\u53ef\u4ee5\u51cf\u5c11\u914d\u7f6e\u7684\u5de5\u4f5c\u91cf\uff0c\u5c24\u5176\u662f\u5f53\u91c7\u7528\u65e0\u72b6\u6001\u5730\u5740\u81ea\u52a8\u914d\u7f6e\u65f6\uff0c\u53ea\u9700\u8981\u83b7\u53d6\u4e00\u4e2aIPv6\u524d\u7f00\u5c31\u53ef\u4ee5\u4e0e\u63a5\u53e3\u6807\u8bc6\u5f62\u6210IPv6\u5730\u5740\u3002\u4f46\u662f\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u6700\u5927\u7684\u7f3a\u70b9\u662f\u4efb\u4f55\u4eba\u90fd\u53ef\u4ee5\u901a\u8fc7\u4e8c\u5c42MAC\u5730\u5740\u63a8\u7b97\u51fa\u4e09\u5c42IPv6\u5730\u5740\u3002<\/div>\n<h4>IPv6\u7684\u5730\u5740\u5206\u7c7b<\/h4>\n<div>IPv6\u5730\u5740\u5206\u4e3a\u5355\u64ad\u5730\u5740\u3001\u4efb\u64ad\u5730\u5740\uff08Anycast Address\uff09\u3001\u7ec4\u64ad\u5730\u5740\u4e09\u79cd\u7c7b\u578b\u3002\u548cIPv4\u76f8\u6bd4\uff0c\u53d6\u6d88\u4e86\u5e7f\u64ad\u5730\u5740\u7c7b\u578b\uff0c\u4ee5\u66f4\u4e30\u5bcc\u7684\u7ec4\u64ad\u5730\u5740\u4ee3\u66ff\uff0c\u540c\u65f6\u589e\u52a0\u4e86\u4efb\u64ad\u5730\u5740\u7c7b\u578b\u3002<\/div>\n<div><\/div>\n<div><strong>IPv6\u5355\u64ad\u5730\u5740<\/strong><\/div>\n<div>IPv6\u5355\u64ad\u5730\u5740\u6807\u8bc6\u4e86\u4e00\u4e2a\u63a5\u53e3\uff0c\u7531\u4e8e\u6bcf\u4e2a\u63a5\u53e3\u5c5e\u4e8e\u4e00\u4e2a\u8282\u70b9\uff0c\u56e0\u6b64\u6bcf\u4e2a\u8282\u70b9\u7684\u4efb\u4f55\u63a5\u53e3\u4e0a\u7684\u5355\u64ad\u5730\u5740\u90fd\u53ef\u4ee5\u6807\u8bc6\u8fd9\u4e2a\u8282\u70b9\u3002\u53d1\u5f80\u5355\u64ad\u5730\u5740\u7684\u62a5\u6587\uff0c\u7531\u6b64\u5730\u5740\u6807\u8bc6\u7684\u63a5\u53e3\u63a5\u6536\u3002<\/div>\n<div>IPv6\u5b9a\u4e49\u4e86\u591a\u79cd\u5355\u64ad\u5730\u5740\uff0c\u76ee\u524d\u5e38\u7528\u7684\u5355\u64ad\u5730\u5740\u6709\uff1a\u672a\u6307\u5b9a\u5730\u5740\u3001\u73af\u56de\u5730\u5740\u3001\u5168\u7403\u5355\u64ad\u5730\u5740\u3001\u94fe\u8def\u672c\u5730\u5730\u5740\u3001\u552f\u4e00\u672c\u5730\u5730\u5740ULA\uff08Unique Local Address\uff09\u3002<\/div>\n<ul>\n<li>\u672a\u6307\u5b9a\u5730\u5740<br \/>\nIPv6\u4e2d\u7684\u672a\u6307\u5b9a\u5730\u5740\u5373 0:0:0:0:0:0:0:0\/128 \u6216\u8005::\/128\u3002\u8be5\u5730\u5740\u53ef\u4ee5\u8868\u793a\u67d0\u4e2a\u63a5\u53e3\u6216\u8005\u8282\u70b9\u8fd8\u6ca1\u6709IP\u5730\u5740\uff0c\u53ef\u4ee5\u4f5c\u4e3a\u67d0\u4e9b\u62a5\u6587\u7684\u6e90IP\u5730\u5740\uff08\u4f8b\u5982\u5728NS\u62a5\u6587\u7684\u91cd\u590d\u5730\u5740\u68c0\u6d4b\u4e2d\u4f1a\u51fa\u73b0\uff09\u3002\u6e90IP\u5730\u5740\u662f::\u7684\u62a5\u6587\u4e0d\u4f1a\u88ab\u8def\u7531\u8bbe\u5907\u8f6c\u53d1\u3002\u5bf9\u4e8e\u7f51\u7edc\u670d\u52a1\uff0c::\u8868\u793a\u5176\u6b63\u5728\u4fa6\u542c\u6240\u6709\u5df2\u914d\u7f6e\u7684 IP \u5730\u5740\u3002<\/li>\n<li>\u73af\u56de\u5730\u5740<br \/>\nIPv6\u4e2d\u7684\u73af\u56de\u5730\u5740\u5373 0:0:0:0:0:0:0:1\/128 \u6216\u8005::1\/128\u3002\u73af\u56de\u4e0eIPv4\u4e2d\u7684127.0.0.1\u4f5c\u7528\u76f8\u540c\uff0c\u4e3b\u8981\u7528\u4e8e\u8bbe\u5907\u7ed9\u81ea\u5df1\u53d1\u9001\u62a5\u6587\u3002\u8be5\u5730\u5740\u901a\u5e38\u7528\u6765\u4f5c\u4e3a\u4e00\u4e2a\u865a\u63a5\u53e3\u7684\u5730\u5740\uff08\u5982Loopback\u63a5\u53e3\uff09\u3002\u5b9e\u9645\u53d1\u9001\u7684\u6570\u636e\u5305\u4e2d\u4e0d\u80fd\u4f7f\u7528\u73af\u56de\u5730\u5740\u4f5c\u4e3a\u6e90IP\u5730\u5740\u6216\u8005\u76ee\u7684IP\u5730\u5740\u3002<\/li>\n<li>\u5168\u7403\u5355\u64ad\u5730\u5740<br \/>\n\u5168\u7403\u5355\u64ad\u5730\u5740\u662f\u5e26\u6709\u5168\u7403\u5355\u64ad\u524d\u7f00\u7684IPv6\u5730\u5740\uff0c\u5176\u4f5c\u7528\u7c7b\u4f3c\u4e8eIPv4\u4e2d\u7684\u516c\u7f51\u5730\u5740\u3002\u8fd9\u79cd\u7c7b\u578b\u7684\u5730\u5740\u5141\u8bb8\u8def\u7531\u524d\u7f00\u7684\u805a\u5408\uff0c\u4ece\u800c\u9650\u5236\u4e86\u5168\u7403\u8def\u7531\u8868\u9879\u7684\u6570\u91cf\u3002\u8fd9\u7b49\u540c\u4e8e\u8303\u56f4\u4ece 2000::\/16 \u5230 3fff::\/16 \u7684\u6240\u6709\u7f51\u7edc\u3002<br \/>\n\u5168\u7403\u5355\u64ad\u5730\u5740\u7531\u5168\u7403\u8def\u7531\u524d\u7f00\uff08Global routing prefix\uff09\u3001\u5b50\u7f51ID\uff08Subnet ID\uff09\u548c\u63a5\u53e3\u6807\u8bc6\uff08Interface ID\uff09\u7ec4\u6210\uff0c\u5176\u683c\u5f0f\u5982\u56fe2\u6240\u793a\uff1a<br \/>\n\u56fe2 \u5168\u7403\u5355\u64ad\u5730\u5740\u683c\u5f0f<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-703\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-13.png\" alt=\"\" width=\"500\" height=\"126\" \/><br \/>\nGlobal routing prefix\uff1a\u5168\u7403\u8def\u7531\u524d\u7f00\u3002\u7531\u63d0\u4f9b\u5546\uff08Provider\uff09\u6307\u5b9a\u7ed9\u4e00\u4e2a\u7ec4\u7ec7\u673a\u6784\uff0c\u901a\u5e38\u5168\u7403\u8def\u7531\u524d\u7f00\u81f3\u5c11\u4e3a48\u4f4d\u3002\u76ee\u524d\u5df2\u7ecf\u5206\u914d\u7684\u5168\u7403\u8def\u7531\u524d\u7f00\u7684\u524d3bit\u5747\u4e3a001\u3002<br \/>\nSubnet ID\uff1a\u5b50\u7f51ID\u3002\u7ec4\u7ec7\u673a\u6784\u53ef\u4ee5\u7528\u5b50\u7f51ID\u6765\u6784\u5efa\u672c\u5730\u7f51\u7edc\uff08Site\uff09\u3002\u5b50\u7f51ID\u901a\u5e38\u6700\u591a\u5206\u914d\u5230\u7b2c64\u4f4d\u3002\u5b50\u7f51ID\u548cIPv4\u4e2d\u7684\u5b50\u7f51\u53f7\u4f5c\u7528\u76f8\u4f3c\u3002<br \/>\nInterface ID\uff1a\u63a5\u53e3\u6807\u8bc6\u3002\u7528\u6765\u6807\u8bc6\u4e00\u4e2a\u8bbe\u5907\uff08Host\uff09\u3002<\/li>\n<li>\u94fe\u8def\u672c\u5730\u5730\u5740<br \/>\n\u94fe\u8def\u672c\u5730\u5730\u5740\u662fIPv6\u4e2d\u7684\u5e94\u7528\u8303\u56f4\u53d7\u9650\u5236\u7684\u5730\u5740\u7c7b\u578b\uff0c\u53ea\u80fd\u5728\u8fde\u63a5\u5230\u540c\u4e00\u672c\u5730\u94fe\u8def\u7684\u8282\u70b9\u4e4b\u95f4\u4f7f\u7528\u3002\u5b83\u4f7f\u7528\u4e86\u7279\u5b9a\u7684\u672c\u5730\u94fe\u8def\u524d\u7f00FE80::\/10\uff08\u6700\u9ad810\u4f4d\u503c\u4e3a1111111010\uff09\uff0c\u540c\u65f6\u5c06\u63a5\u53e3\u6807\u8bc6\u6dfb\u52a0\u5728\u540e\u9762\u4f5c\u4e3a\u5730\u5740\u7684\u4f4e64\u6bd4\u7279\u3002<br \/>\n\u5f53\u4e00\u4e2a\u8282\u70b9\u542f\u52a8IPv6\u534f\u8bae\u6808\u65f6\uff0c\u542f\u52a8\u65f6\u8282\u70b9\u7684\u6bcf\u4e2a\u63a5\u53e3\u4f1a\u81ea\u52a8\u914d\u7f6e\u4e00\u4e2a\u94fe\u8def\u672c\u5730\u5730\u5740\uff08\u5176\u56fa\u5b9a\u7684\u524d\u7f00+EUI-64\u89c4\u5219\u5f62\u6210\u7684\u63a5\u53e3\u6807\u8bc6\uff09\u3002\u8fd9\u79cd\u673a\u5236\u4f7f\u5f97\u4e24\u4e2a\u8fde\u63a5\u5230\u540c\u4e00\u94fe\u8def\u7684IPv6\u8282\u70b9\u4e0d\u9700\u8981\u505a\u4efb\u4f55\u914d\u7f6e\u5c31\u53ef\u4ee5\u901a\u4fe1\u3002\u6240\u4ee5\u94fe\u8def\u672c\u5730\u5730\u5740\u5e7f\u6cdb\u5e94\u7528\u4e8e\u90bb\u5c45\u53d1\u73b0\uff0c\u65e0\u72b6\u6001\u5730\u5740\u914d\u7f6e\u7b49\u5e94\u7528\u3002<br \/>\n\u4ee5\u94fe\u8def\u672c\u5730\u5730\u5740\u4e3a\u6e90\u5730\u5740\u6216\u76ee\u7684\u5730\u5740\u7684IPv6\u62a5\u6587\u4e0d\u4f1a\u88ab\u8def\u7531\u8bbe\u5907\u8f6c\u53d1\u5230\u5176\u4ed6\u94fe\u8def\u3002\u94fe\u8def\u672c\u5730\u5730\u5740\u7684\u683c\u5f0f\u5982\u56fe3\u6240\u793a\uff1a<br \/>\n\u56fe3 \u94fe\u8def\u672c\u5730\u5730\u5740\u683c\u5f0f<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-704\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-14.png\" alt=\"\" width=\"475\" height=\"166\" \/><\/li>\n<li>\u552f\u4e00\u672c\u5730\u5730\u5740<br \/>\n\u552f\u4e00\u672c\u5730\u5730\u5740\u662f\u53e6\u4e00\u79cd\u5e94\u7528\u8303\u56f4\u53d7\u9650\u7684\u5730\u5740\uff0c\u5b83\u4ec5\u80fd\u5728\u4e00\u4e2a\u7ad9\u70b9\u5185\u4f7f\u7528\u3002\u7531\u4e8e\u672c\u5730\u7ad9\u70b9\u5730\u5740\u7684\u5e9f\u9664\uff08RFC3879\uff09\uff0c\u552f\u4e00\u672c\u5730\u5730\u5740\u88ab\u7528\u6765\u4ee3\u66ff\u672c\u5730\u7ad9\u70b9\u5730\u5740\u3002\u8fd9\u7c7b\u5730\u5740\u5212\u5206\u6210\u4e24\u4e2a\/8\u7ec4\uff1a\u00a0fc00::\/8\u4fdd\u7559\u5c1a\u672a\u5b9a\u4e49\uff0cfd00::\/8\u53ef\u4ee5\u4f7f\u7528\uff0c\u5177\u4f53\u4f7f\u7528\u65f6\u53ef\u4ee5\u968f\u673a\u751f\u621040\u4f4d\u7684\u524d\u7f00\uff0c\u4e0e\/8\u4e00\u8d77\u7ec4\u621048\u4f4d\u524d\u7f00\uff0c\u540e\u9762\u8fd8\u662f\u4e00\u6837\uff0c16\u4f4d\u5b50\u7f51+64\u4f4d\u63a5\u53e3\u5730\u5740\u3002<\/li>\n<\/ul>\n<blockquote>\n<div>\u552f\u4e00\u672c\u5730\u5730\u5740\u7684\u4f5c\u7528\u7c7b\u4f3c\u4e8eIPv4\u4e2d\u7684\u79c1\u7f51\u5730\u5740\uff0c\u4efb\u4f55\u6ca1\u6709\u7533\u8bf7\u5230\u63d0\u4f9b\u5546\u5206\u914d\u7684\u5168\u7403\u5355\u64ad\u5730\u5740\u7684\u7ec4\u7ec7\u673a\u6784\u90fd\u53ef\u4ee5\u4f7f\u7528\u552f\u4e00\u672c\u5730\u5730\u5740\u3002\u552f\u4e00\u672c\u5730\u5730\u5740\u53ea\u80fd\u5728\u672c\u5730\u7f51\u7edc\u5185\u90e8\u88ab\u8def\u7531\u8f6c\u53d1\u800c\u4e0d\u4f1a\u5728\u5168\u7403\u7f51\u7edc\u4e2d\u88ab\u8def\u7531\u8f6c\u53d1\u3002\u552f\u4e00\u672c\u5730\u5730\u5740\u683c\u5f0f\u5982\u56fe4\u6240\u793a\uff1a<\/div>\n<\/blockquote>\n<blockquote>\n<div>\u00a0\u00a0 \u00a0\u56fe4 \u552f\u4e00\u672c\u5730\u5730\u5740\u683c\u5f0f<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-705\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-15.png\" alt=\"\" width=\"485\" height=\"143\" \/><\/div>\n<\/blockquote>\n<blockquote>\n<div>Prefix\uff1a\u524d\u7f00\uff1b\u56fa\u5b9a\u4e3aFC00::\/7\u3002<\/div>\n<div>L\uff1aL\u6807\u5fd7\u4f4d\uff1b\u503c\u4e3a1\u4ee3\u8868\u8be5\u5730\u5740\u4e3a\u5728\u672c\u5730\u7f51\u7edc\u8303\u56f4\u5185\u4f7f\u7528\u7684\u5730\u5740\uff1b\u503c\u4e3a0\u88ab\u4fdd\u7559\uff0c\u7528\u4e8e\u4ee5\u540e\u6269\u5c55\u3002<\/div>\n<div>Global ID\uff1a\u5168\u7403\u552f\u4e00\u524d\u7f00\uff1b\u901a\u8fc7\u4f2a\u968f\u673a\u65b9\u5f0f\u4ea7\u751f\u3002<\/div>\n<div>Subnet ID\uff1a\u5b50\u7f51ID\uff1b\u5212\u5206\u5b50\u7f51\u4f7f\u7528\u3002<\/div>\n<div>Interface ID\uff1a\u63a5\u53e3\u6807\u8bc6\u3002<\/div>\n<div>\u552f\u4e00\u672c\u5730\u5730\u5740\u5177\u6709\u5982\u4e0b\u7279\u70b9\uff1a<\/div>\n<\/blockquote>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>\u5177\u6709\u5168\u7403\u552f\u4e00\u7684\u524d\u7f00\uff08\u867d\u7136\u968f\u673a\u65b9\u5f0f\u4ea7\u751f\uff0c\u4f46\u662f\u51b2\u7a81\u6982\u7387\u5f88\u4f4e\uff09\u3002<\/li>\n<li>\u53ef\u4ee5\u8fdb\u884c\u7f51\u7edc\u4e4b\u95f4\u7684\u79c1\u6709\u8fde\u63a5\uff0c\u800c\u4e0d\u5fc5\u62c5\u5fc3\u5730\u5740\u51b2\u7a81\u7b49\u95ee\u9898\u3002<\/li>\n<li>\u5177\u6709\u77e5\u540d\u524d\u7f00\uff08FC00::\/7\uff09\uff0c\u65b9\u4fbf\u8fb9\u7f18\u8bbe\u5907\u8fdb\u884c\u8def\u7531\u8fc7\u6ee4\u3002<\/li>\n<li>\u5982\u679c\u51fa\u73b0\u8def\u7531\u6cc4\u6f0f\uff0c\u8be5\u5730\u5740\u4e0d\u4f1a\u548c\u5176\u4ed6\u5730\u5740\u51b2\u7a81\uff0c\u4e0d\u4f1a\u9020\u6210Internet\u8def\u7531\u51b2\u7a81\u3002<\/li>\n<li>\u5e94\u7528\u4e2d\uff0c\u4e0a\u5c42\u5e94\u7528\u7a0b\u5e8f\u5c06\u8fd9\u4e9b\u5730\u5740\u770b\u4f5c\u5168\u7403\u5355\u64ad\u5730\u5740\u5bf9\u5f85\u3002<\/li>\n<li>\u72ec\u7acb\u4e8e\u4e92\u8054\u7f51\u670d\u52a1\u63d0\u4f9b\u5546ISP\uff08Internet Service Provider\uff09\u3002<\/li>\n<\/ul>\n<\/li>\n<li>RFC7217\u4e34\u65f6\u9690\u79c1\u5730\u5740\uff082017\u5e74\u624d\u548crfc8064\u53d1\u5e03\uff0c\u9700\u8981linux\u5185\u68384.0\u4ee5\u4e0a\u624d\u652f\u6301\uff09<\/li>\n<\/ul>\n<blockquote>\n<div>RFC 7217 IPv6\u66f4\u65b0\u6307\u5b9a\u4e86\u7b97\u6cd5\u6765\u751f\u6210IPv6\u63a5\u53e3\u6807\u8bc6\u7b26\uff08\u4ee5\u53caIPv6\u5730\u5740\uff09\uff0c\u5728\u76f8\u540c\u7f51\u7edc\u5185\u7a33\u5b9a\uff0c\u4f46\u968f\u7740\u8282\u70b9\u4ece\u4e00\u4e2a\u7f51\u7edc\u79fb\u52a8\u5230\u53e6\u4e00\u4e2a\u7f51\u7edc\u800c\u53d1\u751f\u53d8\u5316\u3002\u8be5\u7b97\u6cd5\u53ef\u7528\u4ee5\u4e0b\u8868\u8fbe\u5f0f\u6765\u603b\u7ed3\u548c\u4f53\u73b0\uff1a<\/div>\n<\/blockquote>\n<blockquote>\n<blockquote>\n<div>IPv6_IID = Hash(Net_Prefix, Net_ID, Net_Iface_ID, Secret_Key)<\/div>\n<\/blockquote>\n<\/blockquote>\n<blockquote>\n<blockquote>\n<div>\u5176\u4e2d\uff1a<\/div>\n<\/blockquote>\n<\/blockquote>\n<blockquote>\n<blockquote>\n<div>Hash()\uff1a\u52a0\u5bc6\u5b89\u5168\u54c8\u5e0c\u51fd\u6570<\/div>\n<div>Net_Prefix\uff1a\u672c\u5730\u8def\u7531\u5668\u53d1\u5e03\u7684IPv6\u524d\u7f00<\/div>\n<div>Net_ID\uff1a\u53ef\u9009\u7f51\u7edc\u6807\u8bc6\u7b26\uff0c\u4f8b\u5982WiFi\u7f51\u7edc\u7684\u670d\u52a1\u96c6\u6807\u8bc6\u7b26<\/div>\n<div>Net_Iface_ID\uff1a\u5e95\u5c42\u7f51\u7edc\u63a5\u53e3\u7684\u6807\u8bc6\u7b26\uff08\u4f8b\u5982\u7f51\u7edc\u63a5\u53e3\u540d\u79f0\uff09<\/div>\n<div>Secret_Key\uff1a\u79d8\u5bc6\u503c\uff0c\u901a\u5e38\u5728\u7cfb\u7edf\u5b89\u88c5\u671f\u95f4\u4f5c\u4e3a\u968f\u673a\u503c\u521d\u59cb\u5316\uff0c\u5e76\u5728\u91cd\u65b0\u542f\u52a8\u65f6\u4fdd\u6301\u4e0d\u53d8<\/div>\n<\/blockquote>\n<div>\u57fa\u672c\u4e0a\u6765\u8bf4\uff0cIPv6\u63a5\u53e3\u6807\u8bc6\u7b26\u662f\u901a\u8fc7\u5bf9\u591a\u4e2a\u53c2\u6570\u8fde\u63a5\u8ba1\u7b97\u5b89\u5168\u6563\u5217\u6765\u83b7\u5f97\uff0c\u6700\u5e38\u89c1\u7684\u662f\u672c\u5730\u8def\u7531\u5668\uff08Net_Prefix\uff09\u548c\u79d8\u5bc6\u5bc6\u94a5\uff08Secret_Key\uff09\u516c\u5e03\u7684\u7f51\u7edc\u524d\u7f00\u3002 \u53ea\u8981\u8282\u70b9\u4fdd\u6301\u5728\u76f8\u540c\u7f51\u7edc\uff0c\u5b83\u5c06\u7ef4\u62a4\u548c\u914d\u7f6e\u76f8\u540c\u7684IPv6\u5730\u5740\uff0c\u8fd9\u662f\u56e0\u4e3a\u6563\u5217\u51fd\u6570\u7684\u6240\u6709\u53c2\u6570\u4fdd\u6301\u4e0d\u53d8\u3002\u53e6\u4e00\u65b9\u9762\uff0c\u7531\u4e8e\u7f51\u7edc\u524d\u7f00\u4f1a\u6539\u53d8\uff0c\u6240\u4ee5\u4e00\u65e6\u8282\u70b9\u8fde\u63a5\u5230\u4e0d\u540c\u7684\u7f51\u7edc\uff0cIPv6\u63a5\u53e3\u6807\u8bc6\u7b26\u5c06\u4f1a\u6539\u53d8\u3002\u540c\u65f6\uff0c\u5982\u679c\u8282\u70b9\u8fd4\u56de\u5230\u4e4b\u524d\u8fde\u63a5\u7684\u7f51\u7edc\uff0c\u5b83\u5c06\u914d\u7f6e\u4e0e\u4e4b\u524d\u76f8\u540c\u7684IPv6\u5730\u5740\uff0c\u56e0\u4e3a\u7528\u4e8e\u8ba1\u7b97\u8be5IPv6\u63a5\u53e3\u6807\u8bc6\u7b26\u7684\u6240\u6709\u53c2\u6570\u90fd\u5c06\u4e0e\u539f\u6765\u60c5\u51b5\u76f8\u540c\u3002<\/div>\n<\/blockquote>\n<ul>\n<li>\u7efc\u4e0a\uff0c\u6240\u4ee5\u6bcf\u4e2a\u63a5\u53e3\u5355\u64adIPV6\u5730\u5740\u53ef\u80fd\u5c31\u6709\u56db\u4e2a\uff1a\u672c\u5730\u94fe\u8def\u5730\u5740\u3001\u672c\u5730\u552f\u4e00\u5730\u5740\u3001RFC7217\u4e34\u65f6\u9690\u79c1\u5730\u5740\u3001\u5168\u7403\u552f\u4e00\u5730\u5740\u3002<\/li>\n<\/ul>\n<div><\/div>\n<div><strong>IPv6\u7ec4\u64ad\u5730\u5740<\/strong><\/div>\n<div>IPv6\u7684\u7ec4\u64ad\u4e0eIPv4\u76f8\u540c\uff0c\u7528\u6765\u6807\u8bc6\u4e00\u7ec4\u63a5\u53e3\uff0c\u4e00\u822c\u8fd9\u4e9b\u63a5\u53e3\u5c5e\u4e8e\u4e0d\u540c\u7684\u8282\u70b9\u3002\u4e00\u4e2a\u8282\u70b9\u53ef\u80fd\u5c5e\u4e8e0\u5230\u591a\u4e2a\u7ec4\u64ad\u7ec4\u3002\u53d1\u5f80\u7ec4\u64ad\u5730\u5740\u7684\u62a5\u6587\u88ab\u7ec4\u64ad\u5730\u5740\u6807\u8bc6\u7684\u6240\u6709\u63a5\u53e3\u63a5\u6536\u3002\u4f8b\u5982\u7ec4\u64ad\u5730\u5740FF02::1\u8868\u793a\u94fe\u8def\u672c\u5730\u8303\u56f4\u7684\u6240\u6709\u8282\u70b9\uff0c\u7ec4\u64ad\u5730\u5740FF02::2\u8868\u793a\u94fe\u8def\u672c\u5730\u8303\u56f4\u7684\u6240\u6709\u8def\u7531\u5668\u3002<\/div>\n<div><\/div>\n<div>\u4e00\u4e2aIPv6\u7ec4\u64ad\u5730\u5740\u7531\u524d\u7f00\uff0c\u6807\u5fd7\uff08Flag\uff09\u5b57\u6bb5\u3001\u8303\u56f4\uff08Scope\uff09\u5b57\u6bb5\u4ee5\u53ca\u7ec4\u64ad\u7ec4ID\uff08Global ID\uff094\u4e2a\u90e8\u5206\u7ec4\u6210\uff1a<\/div>\n<ul>\n<li>\u524d\u7f00\uff1aIPv6\u7ec4\u64ad\u5730\u5740\u7684\u524d\u7f00\u662fFF00::\/8\u3002<\/li>\n<li>\u6807\u5fd7\u5b57\u6bb5\uff08Flag\uff09\uff1a\u957f\u5ea64bit\uff0c\u76ee\u524d\u53ea\u4f7f\u7528\u4e86\u6700\u540e\u4e00\u4e2a\u6bd4\u7279\uff08\u524d\u4e09\u4f4d\u5fc5\u987b\u7f6e0\uff09\uff0c\u5f53\u8be5\u4f4d\u503c\u4e3a0\u65f6\uff0c\u8868\u793a\u5f53\u524d\u7684\u7ec4\u64ad\u5730\u5740\u662f\u7531IANA\u6240\u5206\u914d\u7684\u4e00\u4e2a\u6c38\u4e45\u5206\u914d\u5730\u5740\uff1b\u5f53\u8be5\u503c\u4e3a1\u65f6\uff0c\u8868\u793a\u5f53\u524d\u7684\u7ec4\u64ad\u5730\u5740\u662f\u4e00\u4e2a\u4e34\u65f6\u7ec4\u64ad\u5730\u5740\uff08\u975e\u6c38\u4e45\u5206\u914d\u5730\u5740\uff09\u3002<\/li>\n<li>\u8303\u56f4\u5b57\u6bb5\uff08Scope\uff09\uff1a\u957f\u5ea64bit\uff0c\u7528\u6765\u9650\u5236\u7ec4\u64ad\u6570\u636e\u6d41\u5728\u7f51\u7edc\u4e2d\u53d1\u9001\u7684\u8303\u56f4\uff0c\u8be5\u5b57\u6bb5\u53d6\u503c\u548c\u542b\u4e49\u7684\u5bf9\u5e94\u5173\u7cfb\u5982<a href=\"mk:\/\/#dc_feature_ipv6_0004__fig_dc_feature_ipv6_000405\">\u56fe5<\/a>\u6240\u793a\u3002<\/li>\n<li>\u7ec4\u64ad\u7ec4ID\uff08Group ID\uff09\uff1a\u957f\u5ea6112bit\uff0c\u7528\u4ee5\u6807\u8bc6\u7ec4\u64ad\u7ec4\u3002\u76ee\u524d\uff0cRFC2373\u5e76\u6ca1\u6709\u5c06\u6240\u6709\u7684112\u4f4d\u90fd\u5b9a\u4e49\u6210\u7ec4\u6807\u8bc6\uff0c\u800c\u662f\u5efa\u8bae\u4ec5\u4f7f\u7528\u8be5112\u4f4d\u7684\u6700\u4f4e32\u4f4d\u4f5c\u4e3a\u7ec4\u64ad\u7ec4ID\uff0c\u5c06\u5269\u4f59\u768480\u4f4d\u90fd\u7f6e0\u3002\u8fd9\u6837\u6bcf\u4e2a\u7ec4\u64ad\u7ec4ID\u90fd\u6620\u5c04\u5230\u4e00\u4e2a\u552f\u4e00\u7684\u4ee5\u592a\u7f51\u7ec4\u64adMAC\u5730\u5740\uff08RFC2464\uff09\u3002<\/li>\n<\/ul>\n<div>IPv6\u7ec4\u64ad\u5730\u5740\u683c\u5f0f\u5982\u56fe5\u6240\u793a\uff1a<\/div>\n<div>\u56fe5 IPv6\u7ec4\u64ad\u5730\u5740\u683c\u5f0f<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-706\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-16.png\" alt=\"\" width=\"511\" height=\"268\" \/><\/div>\n<ul>\n<li>\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740<br \/>\n\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\u901a\u8fc7\u8282\u70b9\u7684\u5355\u64ad\u6216\u4efb\u64ad\u5730\u5740\u751f\u6210\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u5177\u6709\u4e86\u5355\u64ad\u6216\u4efb\u64ad\u5730\u5740\uff0c\u5c31\u4f1a\u5bf9\u5e94\u751f\u6210\u4e00\u4e2a\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\uff0c\u5e76\u4e14\u52a0\u5165\u8fd9\u4e2a\u7ec4\u64ad\u7ec4\u3002\u4e00\u4e2a\u5355\u64ad\u5730\u5740\u6216\u4efb\u64ad\u5730\u5740\u5bf9\u5e94\u4e00\u4e2a\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\u3002\u8be5\u5730\u5740\u4e3b\u8981\u7528\u4e8e\u90bb\u5c45\u53d1\u73b0\u673a\u5236\u548c\u5730\u5740\u91cd\u590d\u68c0\u6d4b\u529f\u80fd\u3002<br \/>\nIPv6\u4e2d\u6ca1\u6709\u5e7f\u64ad\u5730\u5740\uff0c\u4e5f\u4e0d\u4f7f\u7528ARP\u3002\u4f46\u662f\u4ecd\u7136\u9700\u8981\u4eceIP\u5730\u5740\u89e3\u6790\u5230MAC\u5730\u5740\u7684\u529f\u80fd\u3002\u5728IPv6\u4e2d\uff0c\u8fd9\u4e2a\u529f\u80fd\u901a\u8fc7\u90bb\u5c45\u8bf7\u6c42NS\uff08Neighbor Solicitation\uff09\u62a5\u6587\u5b8c\u6210\u3002\u5f53\u4e00\u4e2a\u8282\u70b9\u9700\u8981\u89e3\u6790\u67d0\u4e2aIPv6\u5730\u5740\u5bf9\u5e94\u7684MAC\u5730\u5740\u65f6\uff0c\u4f1a\u53d1\u9001NS\u62a5\u6587\uff0c\u8be5\u62a5\u6587\u7684\u76ee\u7684IP\u5c31\u662f\u9700\u8981\u89e3\u6790\u7684IPv6\u5730\u5740\u5bf9\u5e94\u7684\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\uff1b\u53ea\u6709\u5177\u6709\u8be5\u7ec4\u64ad\u5730\u5740\u7684\u8282\u70b9\u4f1a\u68c0\u67e5\u5904\u7406\u3002<\/li>\n<li>\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\u7531\u524d\u7f00FF02::1:FF00:0\/104\u548c\u5355\u64ad\u5730\u5740\u7684\u6700\u540e24\u4f4d\u7ec4\u6210\u3002<\/li>\n<\/ul>\n<div><strong>IPv6\u4efb\u64ad\u5730\u5740<\/strong><\/div>\n<div>\u4efb\u64ad\u5730\u5740\u6807\u8bc6\u4e00\u7ec4\u7f51\u7edc\u63a5\u53e3\uff08\u901a\u5e38\u5c5e\u4e8e\u4e0d\u540c\u7684\u8282\u70b9\uff09\u3002\u76ee\u6807\u5730\u5740\u662f\u4efb\u64ad\u5730\u5740\u7684\u6570\u636e\u5305\u5c06\u53d1\u9001\u7ed9\u5176\u4e2d\u8def\u7531\u610f\u4e49\u4e0a\u6700\u8fd1\u7684\u4e00\u4e2a\u7f51\u7edc\u63a5\u53e3\u3002<\/div>\n<div><\/div>\n<div>\u4efb\u64ad\u5730\u5740\u8bbe\u8ba1\u7528\u6765\u5728\u7ed9\u591a\u4e2a\u4e3b\u673a\u6216\u8005\u8282\u70b9\u63d0\u4f9b\u76f8\u540c\u670d\u52a1\u65f6\u63d0\u4f9b\u5197\u4f59\u529f\u80fd\u548c\u8d1f\u8f7d\u5206\u62c5\u529f\u80fd\u3002\u76ee\u524d\uff0c\u4efb\u64ad\u5730\u5740\u7684\u4f7f\u7528\u901a\u8fc7\u5171\u4eab\u5355\u64ad\u5730\u5740\u65b9\u5f0f\u6765\u5b8c\u6210\u3002\u5c06\u4e00\u4e2a\u5355\u64ad\u5730\u5740\u5206\u914d\u7ed9\u591a\u4e2a\u8282\u70b9\u6216\u8005\u4e3b\u673a\uff0c\u8fd9\u6837\u5728\u7f51\u7edc\u4e2d\u5982\u679c\u5b58\u5728\u591a\u6761\u8be5\u5730\u5740\u8def\u7531\uff0c\u5f53\u53d1\u9001\u8005\u53d1\u9001\u4ee5\u4efb\u64ad\u5730\u5740\u4e3a\u76ee\u7684IP\u7684\u6570\u636e\u62a5\u6587\u65f6\uff0c\u53d1\u9001\u8005\u65e0\u6cd5\u63a7\u5236\u54ea\u53f0\u8bbe\u5907\u80fd\u591f\u6536\u5230\uff0c\u8fd9\u53d6\u51b3\u4e8e\u6574\u4e2a\u7f51\u7edc\u4e2d\u8def\u7531\u534f\u8bae\u8ba1\u7b97\u7684\u7ed3\u679c\u3002\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u9002\u7528\u4e8e\u4e00\u4e9b\u65e0\u72b6\u6001\u7684\u5e94\u7528\uff0c\u4f8b\u5982DNS\u7b49\u3002<\/div>\n<div><\/div>\n<div>IPv6\u4e2d\u6ca1\u6709\u4e3a\u4efb\u64ad\u89c4\u5b9a\u5355\u72ec\u7684\u5730\u5740\u7a7a\u95f4\uff0c\u4efb\u64ad\u5730\u5740\u548c\u5355\u64ad\u5730\u5740\u4f7f\u7528\u76f8\u540c\u7684\u5730\u5740\u7a7a\u95f4\u3002\u76ee\u524dIPv6\u4e2d\u4efb\u64ad\u4e3b\u8981\u5e94\u7528\u4e8e\u79fb\u52a8IPv6\u3002<\/div>\n<div><\/div>\n<div><strong>\u8bf4\u660e\uff1a<\/strong><\/div>\n<div>IPv6\u4efb\u64ad\u5730\u5740\u4ec5\u53ef\u4ee5\u88ab\u5206\u914d\u7ed9\u8def\u7531\u8bbe\u5907\uff0c\u4e0d\u80fd\u5e94\u7528\u4e8e\u4e3b\u673a\u3002\u4efb\u64ad\u5730\u5740\u4e0d\u80fd\u4f5c\u4e3aIPv6\u62a5\u6587\u7684\u6e90\u5730\u5740\u3002<\/div>\n<ul>\n<li>\u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740<br \/>\n\u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740\u662f\u5df2\u7ecf\u5b9a\u4e49\u597d\u7684\u4e00\u79cd\u4efb\u64ad\u5730\u5740\uff08RFC3513\uff09\u3002\u53d1\u9001\u5230\u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740\u7684\u62a5\u6587\u4f1a\u88ab\u53d1\u9001\u5230\u8be5\u5730\u5740\u6807\u8bc6\u7684\u5b50\u7f51\u4e2d\u8def\u7531\u610f\u4e49\u4e0a\u6700\u8fd1\u7684\u4e00\u4e2a\u8bbe\u5907\u3002\u6240\u6709\u8bbe\u5907\u90fd\u5fc5\u987b\u652f\u6301\u5b50\u7f51\u4efb\u64ad\u5730\u5740\u3002\u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740\u7528\u4e8e\u8282\u70b9\u9700\u8981\u548c\u8fdc\u7aef\u5b50\u7f51\u4e0a\u6240\u6709\u8bbe\u5907\u4e2d\u7684\u4e00\u4e2a\uff08\u4e0d\u5173\u5fc3\u5177\u4f53\u662f\u54ea\u4e00\u4e2a\uff09\u901a\u4fe1\u65f6\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u79fb\u52a8\u8282\u70b9\u9700\u8981\u548c\u5b83\u7684\u201c\u5bb6\u4e61\u201d\u5b50\u7f51\u4e0a\u7684\u6240\u6709\u79fb\u52a8\u4ee3\u7406\u4e2d\u7684\u4e00\u4e2a\u8fdb\u884c\u901a\u4fe1\u3002<\/li>\n<li>\u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740\u7531n bit\u5b50\u7f51\u524d\u7f00\u6807\u8bc6\u5b50\u7f51\uff0c\u5176\u4f59\u75280\u586b\u5145\u3002\u683c\u5f0f\u5982\u56fe6\u6240\u793a\uff1a<br \/>\n\u56fe6 \u5b50\u7f51\u8def\u7531\u5668\u4efb\u64ad\u5730\u5740\u683c\u5f0f<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-707\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-17.png\" alt=\"\" width=\"492\" height=\"64\" \/><\/li>\n<\/ul>\n<div><\/div>\n<h1>IPv6: \u517c\u5bb9\u5730\u5740(Compatibility Address)<\/h1>\n<div>\n<div>\u4e3a\u4f7f\u73b0\u6709\u7f51\u7edc\u80fd\u4eceIPv4\u5e73\u6ed1\u8fc7\u6e21\u5230IPv6\uff0c\u9700\u8981\u7528\u5230\u4e00\u4e9bIPv6\u8f6c\u6362\u673a\u5236\u3002\u672c\u6587\u7b80\u5355\u603b\u7ed3\u4e86\u8f83\u4e3a\u6d41\u884c\u7684\u4e00\u4e9bIPv6\u517c\u5bb9\u5730\u5740\uff0c\u8fd9\u4e9b\u5730\u5740\u80fd\u591f\u5728\u7279\u5b9a\u8f6c\u5316\u673a\u5236\u4e0b\uff0c\u5728IPv4\u7f51\u7edc\u4e2d\u4f7f\u7528\uff08\u5176\u4e2dw.x.y.z\u4e3aIPV4\u5730\u5740\uff09\uff1a<\/div>\n<div><\/div>\n<\/div>\n<div>\n<div><strong>1. IPv4-mapped IPv6 addresses<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f\u00a0::ffff:w.x.y.z<\/div>\n<div><\/div>\n<div><strong>2. ISATAP(Intra-Site Automatic Tunnel Addressing Protocal)\u5730\u5740<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f ::0:5EFE:w.x.y.z<\/div>\n<div>\u4efb\u4f55\u4e00\u4e2a\u53ef\u4ee5\u7528\u5728unicast\u5730\u5740\u768464\u4f4d\u524d\u7f00\uff0c\u90fd\u53ef\u4ee5\u7528\u4f5cISATAP\u5730\u5740\u7684\u524d\u7f00<\/div>\n<div>\u4f8b\u5982Link-local\u5730\u5740(FE80::\/64)\uff0c\u5219\u6709Link-local ISATAP\u5730\u5740FE80::5EFE:w.x.y.z<\/div>\n<div>\u5b9e\u73b0\uff1aWindows XP, Windows Vista, Windows 7, Windows Mobile, Linux<\/div>\n<div><\/div>\n<div><strong>3. 6over4\u5730\u5740<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f\u00a0::wwxx:yyzz\u00a0\u5176\u4e2dww,xx,yy,zz\u90fd\u662f\u5341\u516d\u8fdb\u5236<\/div>\n<div>\u4efb\u4f55\u4e00\u4e2a\u53ef\u4ee5\u7528\u5728unicast\u5730\u5740\u768464\u4f4d\u524d\u7f00\uff0c\u90fd\u53ef\u4ee5\u7528\u4f5c6over4\u5730\u5740\u7684\u524d\u7f00<\/div>\n<div>\u4f8b\u5982Link-local\u5730\u5740(FE80::\/64)\uff0c\u5219\u6709Link-local 6over4\u5730\u5740FE80::wwxx:yyzz<\/div>\n<div>\u5c40\u9650\uff1a6over4\u9700\u8981IPv4\u591a\u64ad\u652f\u6301<\/div>\n<div><\/div>\n<div><strong>4. Teredo\u5730\u5740<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f\u00a02001::\/32<\/div>\n<div>Teredo\u5730\u5740\u5c5e\u4e8eGlobal Unicast\u5730\u5740<\/div>\n<div>Teredo\u534f\u8bae\u5c06IPv6\u6570\u636e\u5305\u5c01\u88c5\u6210IPv4 UDP\u5305\uff0c\u8fd9\u4e9b\u6570\u636e\u5305\u88ab\u8f6c\u53d1\u5230Teredo\u4e2d\u7ee7\u4e0a<\/div>\n<div>Teredo\u4e2d\u7ee7\uff08\u8fde\u63a5\u5230IPv6\u7f51\u7edc\u7684Teredo\u8282\u70b9\uff09\u63a5\u6536\u3001\u89e3\u5c01\u8fd9\u4e9b\u6570\u636e\u5305\uff0c\u5e76\u53d1\u9001\u5230IPv6\u7f51\u7edc\u4e0a<\/div>\n<div>\u5c40\u9650\uff1aTeredo\u5bf9NAT\u53ef\u4ee5\u652f\u6301\uff0c\u6548\u679c\u4e0d\u4f73\u3002<\/div>\n<div><\/div>\n<div><strong>5. 6to4\u5730\u5740<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f\u00a02002:wwxx:yyzz::\/48\u00a0\u5176\u4e2dww,xx,yy,zz\u90fd\u662f\u5341\u516d\u8fdb\u5236<\/div>\n<div>6to4\u5730\u5740\u5c5e\u4e8eGlobal Unicast\u5730\u5740<\/div>\n<div>IPv4\u5730\u5740\u5305\u542b\u5728IPv6\u5730\u5740\u524d\u7f00\u4e2d<\/div>\n<div>\u548cTeredo\u7c7b\u4f3c\uff0c6to4\u9700\u8981\u4e2d\u7ee7\u670d\u52a1\u5668<\/div>\n<div>\u5730\u5740\u8f6c\u6362\u793a\u4f8b\uff1a<\/div>\n<table>\n<colgroup>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td>\n<div>Example: IPv4 address to 6to4 IPv6 address<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<div>\n<div><\/div>\n<div>IPv4 dec: 192 . 0 . 2 . 4<\/div>\n<div>IPv4 hex: C0 . 0 . 2 . 4<\/div>\n<div>IPv4 hex: C000 0204<\/div>\n<div>IPv6 pre:2002:C000:0204::\/48<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div><strong>6. IPv4-compatible\u5730\u5740\u3010\u5df2\u5f03\u7528\u3011<\/strong><\/div>\n<div>\u5730\u5740\u683c\u5f0f\u00a0::w.x.y.z<\/div>\n<div>\n<div><\/div>\n<\/div>\n<\/div>\n<h1>IPv6\u62a5\u6587\u683c\u5f0f<\/h1>\n<div>IPv6\u62a5\u6587\u7531IPv6\u57fa\u672c\u62a5\u5934\u3001IPv6\u6269\u5c55\u62a5\u5934\u4ee5\u53ca\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u5355\u5143\u4e09\u90e8\u5206\u7ec4\u6210\u3002<\/div>\n<div><\/div>\n<div>\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u5355\u5143\u4e00\u822c\u7531\u4e0a\u5c42\u534f\u8bae\u62a5\u5934\u548c\u5b83\u7684\u6709\u6548\u8f7d\u8377\u6784\u6210\uff0c\u6709\u6548\u8f7d\u8377\u53ef\u4ee5\u662f\u4e00\u4e2aICMPv6\u62a5\u6587\u3001\u4e00\u4e2aTCP\u62a5\u6587\u6216\u4e00\u4e2aUDP\u62a5\u6587\u3002<\/div>\n<h4>IPv6\u57fa\u672c\u62a5\u5934<\/h4>\n<div>IPv6\u57fa\u672c\u62a5\u5934\u67098\u4e2a\u5b57\u6bb5\uff0c\u56fa\u5b9a\u5927\u5c0f\u4e3a40\u5b57\u8282\uff0c\u6bcf\u4e00\u4e2aIPv6\u6570\u636e\u62a5\u90fd\u5fc5\u987b\u5305\u542b\u62a5\u5934\u3002\u57fa\u672c\u62a5\u5934\u63d0\u4f9b\u62a5\u6587\u8f6c\u53d1\u7684\u57fa\u672c\u4fe1\u606f\uff0c\u4f1a\u88ab\u8f6c\u53d1\u8def\u5f84\u4e0a\u9762\u7684\u6240\u6709\u8bbe\u5907\u89e3\u6790\u3002<\/div>\n<div><\/div>\n<div>IPv6\u57fa\u672c\u62a5\u5934\u683c\u5f0f\u5982\u56fe1\u6240\u793a\u3002<\/div>\n<div>\u56fe1 IPv6\u57fa\u672c\u62a5\u5934\u683c\u5f0f<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-708\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-18.png\" alt=\"\" width=\"519\" height=\"315\" \/><\/div>\n<div>IPv6\u62a5\u5934\u683c\u5f0f\u4e2d\u4e3b\u8981\u5b57\u6bb5\u89e3\u91ca\u5982\u4e0b\uff1a<\/div>\n<ul>\n<li>Version\uff1a\u7248\u672c\u53f7\uff0c\u957f\u5ea6\u4e3a4bit\u3002\u5bf9\u4e8eIPv6\uff0c\u8be5\u503c\u4e3a6\u3002<\/li>\n<li>Traffic Class\uff1a\u6d41\u7c7b\u522b\uff0c\u957f\u5ea6\u4e3a8bit\u3002\u7b49\u540c\u4e8eIPv4\u4e2d\u7684TOS\u5b57\u6bb5\uff0c\u8868\u793aIPv6\u6570\u636e\u62a5\u7684\u7c7b\u6216\u4f18\u5148\u7ea7\uff0c\u4e3b\u8981\u5e94\u7528\u4e8eQoS\u3002<\/li>\n<li>Flow Label\uff1a\u6d41\u6807\u7b7e\uff0c\u957f\u5ea6\u4e3a20bit\u3002IPv6\u4e2d\u7684\u65b0\u589e\u5b57\u6bb5\uff0c\u7528\u4e8e\u533a\u5206\u5b9e\u65f6\u6d41\u91cf\uff0c\u4e0d\u540c\u7684\u6d41\u6807\u7b7e+\u6e90\u5730\u5740\u53ef\u4ee5\u552f\u4e00\u786e\u5b9a\u4e00\u6761\u6570\u636e\u6d41\uff0c\u4e2d\u95f4\u7f51\u7edc\u8bbe\u5907\u53ef\u4ee5\u6839\u636e\u8fd9\u4e9b\u4fe1\u606f\u66f4\u52a0\u9ad8\u6548\u7387\u7684\u533a\u5206\u6570\u636e\u6d41\u3002<\/li>\n<li>Payload Length\uff1a\u6709\u6548\u8f7d\u8377\u957f\u5ea6\uff0c\u957f\u5ea6\u4e3a16bit\u3002\u6709\u6548\u8f7d\u8377\u662f\u6307\u7d27\u8ddfIPv6\u62a5\u5934\u7684\u6570\u636e\u62a5\u7684\u5176\u5b83\u90e8\u5206\uff08\u5373\u6269\u5c55\u62a5\u5934\u548c\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u5355\u5143\uff09\u3002\u8be5\u5b57\u6bb5\u53ea\u80fd\u8868\u793a\u6700\u5927\u957f\u5ea6\u4e3a65535\u5b57\u8282\u7684\u6709\u6548\u8f7d\u8377\u3002\u5982\u679c\u6709\u6548\u8f7d\u8377\u7684\u957f\u5ea6\u8d85\u8fc7\u8fd9\u4e2a\u503c\uff0c\u8be5\u5b57\u6bb5\u4f1a\u7f6e0\uff0c\u800c\u6709\u6548\u8f7d\u8377\u7684\u957f\u5ea6\u7528\u9010\u8df3\u9009\u9879\u6269\u5c55\u62a5\u5934\u4e2d\u7684\u8d85\u5927\u6709\u6548\u8f7d\u8377\u9009\u9879\u6765\u8868\u793a\u3002<\/li>\n<li>Next Header\uff1a\u4e0b\u4e00\u4e2a\u62a5\u5934\uff0c\u957f\u5ea6\u4e3a8bit\u3002\u8be5\u5b57\u6bb5\u5b9a\u4e49\u7d27\u8ddf\u5728IPv6\u62a5\u5934\u540e\u9762\u7684\u7b2c\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\uff08\u5982\u679c\u5b58\u5728\uff09\u7684\u7c7b\u578b\uff0c\u6216\u8005\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u5355\u5143\u4e2d\u7684\u534f\u8bae\u7c7b\u578b\u3002<\/li>\n<li>Hop Limit\uff1a\u8df3\u6570\u9650\u5236\uff0c\u957f\u5ea6\u4e3a8bit\u3002\u8be5\u5b57\u6bb5\u7c7b\u4f3c\u4e8eIPv4\u4e2d\u7684Time to Live\u5b57\u6bb5\uff0c\u5b83\u5b9a\u4e49\u4e86IP\u6570\u636e\u62a5\u6240\u80fd\u7ecf\u8fc7\u7684\u6700\u5927\u8df3\u6570\u3002\u6bcf\u7ecf\u8fc7\u4e00\u4e2a\u8bbe\u5907\uff0c\u8be5\u6570\u503c\u51cf\u53bb1\uff0c\u5f53\u8be5\u5b57\u6bb5\u7684\u503c\u4e3a0\u65f6\uff0c\u6570\u636e\u62a5\u5c06\u88ab\u4e22\u5f03\u3002<\/li>\n<li>Source Address\uff1a\u6e90\u5730\u5740\uff0c\u957f\u5ea6\u4e3a128bit\u3002\u8868\u793a\u53d1\u9001\u65b9\u7684\u5730\u5740\u3002<\/li>\n<li>Destination Address\uff1a\u76ee\u7684\u5730\u5740\uff0c\u957f\u5ea6\u4e3a128bit\u3002\u8868\u793a\u63a5\u6536\u65b9\u7684\u5730\u5740\u3002<\/li>\n<\/ul>\n<div>IPv6\u548cIPv4\u76f8\u6bd4\uff0c\u53bb\u9664\u4e86IHL\u3001identifiers\u3001Flags\u3001Fragment Offset\u3001Header Checksum\u3001 Options\u3001Paddiing\u57df\uff0c\u53ea\u589e\u4e86\u6d41\u6807\u7b7e\u57df\uff0c\u56e0\u6b64IPv6\u62a5\u6587\u5934\u7684\u5904\u7406\u8f83IPv4\u5927\u5927\u7b80\u5316\uff0c\u63d0\u9ad8\u4e86\u5904\u7406\u6548\u7387\u3002\u53e6\u5916\uff0cIPv6\u4e3a\u4e86\u66f4\u597d\u652f\u6301\u5404\u79cd\u9009\u9879\u5904\u7406\uff0c\u63d0\u51fa\u4e86\u6269\u5c55\u5934\u7684\u6982\u5ff5\uff0c\u65b0\u589e\u9009\u9879\u65f6\u4e0d\u5fc5\u4fee\u6539\u73b0\u6709\u7ed3\u6784\u5c31\u80fd\u505a\u5230\uff0c\u7406\u8bba\u4e0a\u53ef\u4ee5\u65e0\u9650\u6269\u5c55\uff0c\u4f53\u73b0\u4e86\u4f18\u5f02\u7684\u7075\u6d3b\u6027\u3002\u4e0b\u9762\u4e3a\u8bfb\u8005\u4ecb\u7ecdIPv6\u6269\u5c55\u62a5\u5934\u7684\u4e00\u4e9b\u4fe1\u606f\u3002<\/div>\n<h4>IPv6\u6269\u5c55\u62a5\u5934<\/h4>\n<div>\u5728IPv4\u4e2d\uff0cIPv4\u62a5\u5934\u5305\u542b\u53ef\u9009\u5b57\u6bb5Options\uff0c\u5185\u5bb9\u6d89\u53casecurity\u3001Timestamp\u3001Record route\u7b49\uff0c\u8fd9\u4e9bOptions\u53ef\u4ee5\u5c06IPv4\u62a5\u5934\u957f\u5ea6\u4ece20\u5b57\u8282\u6269\u5145\u523060\u5b57\u8282\u3002\u5728\u8f6c\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5904\u7406\u643a\u5e26\u8fd9\u4e9bOptions\u7684IPv4\u62a5\u6587\u4f1a\u5360\u7528\u8bbe\u5907\u5f88\u5927\u7684\u8d44\u6e90\uff0c\u56e0\u6b64\u5b9e\u9645\u4e2d\u4e5f\u5f88\u5c11\u4f7f\u7528\u3002<\/div>\n<div><\/div>\n<div>IPv6\u5c06\u8fd9\u4e9bOptions\u4eceIPv6\u57fa\u672c\u62a5\u5934\u4e2d\u5265\u79bb\uff0c\u653e\u5230\u4e86\u6269\u5c55\u62a5\u5934\u4e2d\uff0c\u6269\u5c55\u62a5\u5934\u88ab\u7f6e\u4e8eIPv6\u62a5\u5934\u548c\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u5355\u5143\u4e4b\u95f4\u3002\u4e00\u4e2aIPv6\u62a5\u6587\u53ef\u4ee5\u5305\u542b0\u4e2a\u30011\u4e2a\u6216\u591a\u4e2a\u6269\u5c55\u62a5\u5934\uff0c\u4ec5\u5f53\u9700\u8981\u8bbe\u5907\u6216\u76ee\u7684\u8282\u70b9\u505a\u67d0\u4e9b\u7279\u6b8a\u5904\u7406\u65f6\uff0c\u624d\u7531\u53d1\u9001\u65b9\u6dfb\u52a0\u4e00\u4e2a\u6216\u591a\u4e2a\u6269\u5c55\u5934\u3002\u4e0eIPv4\u4e0d\u540c\uff0cIPv6\u6269\u5c55\u5934\u957f\u5ea6\u4efb\u610f\uff0c\u4e0d\u53d740\u5b57\u8282\u9650\u5236\uff0c\u8fd9\u6837\u4fbf\u4e8e\u65e5\u540e\u6269\u5145\u65b0\u589e\u9009\u9879\uff0c\u8fd9\u4e00\u7279\u5f81\u52a0\u4e0a\u9009\u9879\u7684\u5904\u7406\u65b9\u5f0f\u4f7f\u5f97IPv6\u9009\u9879\u80fd\u5f97\u4ee5\u771f\u6b63\u7684\u5229\u7528\u3002\u4f46\u662f\u4e3a\u4e86\u63d0\u9ad8\u5904\u7406\u9009\u9879\u5934\u548c\u4f20\u8f93\u5c42\u534f\u8bae\u7684\u6027\u80fd\uff0c\u6269\u5c55\u62a5\u5934\u603b\u662f8\u5b57\u8282\u957f\u5ea6\u7684\u6574\u6570\u500d\u3002<\/div>\n<div><\/div>\n<div>\u5f53\u4f7f\u7528\u591a\u4e2a\u6269\u5c55\u62a5\u5934\u65f6\uff0c\u524d\u9762\u62a5\u5934\u7684Next Header\u5b57\u6bb5\u6307\u660e\u4e0b\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\u7684\u7c7b\u578b\uff0c\u8fd9\u6837\u5c31\u5f62\u6210\u4e86\u94fe\u72b6\u7684\u62a5\u5934\u5217\u8868\u3002\u5982\u56fe2\u6240\u793a\uff0cIPv6\u57fa\u672c\u62a5\u5934\u4e2d\u7684Next Header\u5b57\u6bb5\u6307\u660e\u4e86\u7b2c\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\u7684\u7c7b\u578b\uff0c\u800c\u7b2c\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\u4e2d\u7684Next Header\u5b57\u6bb5\u6307\u660e\u4e86\u4e0b\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\u7684\u7c7b\u578b\uff08\u5982\u679c\u4e0d\u5b58\u5728\uff0c\u5219\u6307\u660e\u4e0a\u5c42\u534f\u8bae\u7684\u7c7b\u578b\uff09\u3002\u6269\u5c55\u62a5\u5934\u683c\u5f0f\u5982\u56fe2\u6240\u793a\uff1a<\/div>\n<div><\/div>\n<div>\u56fe2 IPv6\u6269\u5c55\u62a5\u5934\u683c\u5f0f<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-709\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-19.png\" alt=\"\" width=\"516\" height=\"333\" \/><\/div>\n<div>IPv6\u6269\u5c55\u62a5\u5934\u4e2d\u4e3b\u8981\u5b57\u6bb5\u89e3\u91ca\u5982\u4e0b\uff1a<\/div>\n<ul>\n<li>Next Header\uff1a\u4e0b\u4e00\u4e2a\u62a5\u5934\uff0c\u957f\u5ea6\u4e3a8bit\u3002\u4e0e\u57fa\u672c\u62a5\u5934\u7684Next Header\u7684\u4f5c\u7528\u76f8\u540c\u3002\u6307\u660e\u4e0b\u4e00\u4e2a\u6269\u5c55\u62a5\u5934\uff08\u5982\u679c\u5b58\u5728\uff09\u6216\u4e0a\u5c42\u534f\u8bae\u7684\u7c7b\u578b\u3002<\/li>\n<li>Extension Header Len\uff1a\u62a5\u5934\u6269\u5c55\u957f\u5ea6\uff0c\u957f\u5ea6\u4e3a8bit\u3002\u8868\u793a\u6269\u5c55\u62a5\u5934\u7684\u957f\u5ea6\uff08\u4e0d\u5305\u542bNext Header\u5b57\u6bb5\uff09\u3002<\/li>\n<li>Extension Head Data\uff1a\u6269\u5c55\u62a5\u5934\u6570\u636e\uff0c\u957f\u5ea6\u53ef\u53d8\u3002\u6269\u5c55\u62a5\u5934\u7684\u5185\u5bb9\uff0c\u4e3a\u4e00\u7cfb\u5217\u9009\u9879\u5b57\u6bb5\u548c\u586b\u5145\u5b57\u6bb5\u7684\u7ec4\u5408\u3002<\/li>\n<\/ul>\n<div>\u76ee\u524d\uff0cRFC 2460\u4e2d\u5b9a\u4e49\u4e866\u4e2aIPv6\u6269\u5c55\u5934\uff1a\u9010\u8df3\u9009\u9879\u62a5\u5934\u3001\u76ee\u7684\u9009\u9879\u62a5\u5934\u3001\u8def\u7531\u62a5\u5934\u3001\u5206\u6bb5\u62a5\u5934\u3001\u8ba4\u8bc1\u62a5\u5934\u3001\u5c01\u88c5\u5b89\u5168\u51c0\u8f7d\u62a5\u5934\u3002<\/div>\n<div><\/div>\n<table border=\"1\">\n<colgroup>\n<col \/>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u62a5\u5934\u7c7b\u578b<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>\u4ee3\u8868\u8be5\u7c7b\u62a5\u5934\u7684Next Header\u5b57\u6bb5\u503c<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u63cf\u8ff0<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u9010\u8df3\u9009\u9879\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>0<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u8be5\u9009\u9879\u4e3b\u8981\u7528\u4e8e\u4e3a\u5728\u4f20\u9001\u8def\u5f84\u4e0a\u7684\u6bcf\u8df3\u8f6c\u53d1\u6307\u5b9a\u53d1\u9001\u53c2\u6570\uff0c\u4f20\u9001\u8def\u5f84\u4e0a\u7684\u6bcf\u53f0\u4e2d\u95f4\u8282\u70b9\u90fd\u8981\u8bfb\u53d6\u5e76\u5904\u7406\u8be5\u5b57\u6bb5\u3002\u9010\u8df3\u9009\u9879\u62a5\u5934\u76ee\u524d\u7684\u4e3b\u8981\u5e94\u7528\u6709\u4ee5\u4e0b\u4e09\u79cd\uff1a<\/div>\n<ul>\n<li>\u7528\u4e8e\u5de8\u578b\u8f7d\u8377\uff08\u8f7d\u8377\u957f\u5ea6\u8d85\u8fc765535\u5b57\u8282\uff09\u3002<\/li>\n<li>\u7528\u4e8e\u8bbe\u5907\u63d0\u793a\uff0c\u4f7f\u8bbe\u5907\u68c0\u67e5\u8be5\u9009\u9879\u7684\u4fe1\u606f\uff0c\u800c\u4e0d\u662f\u7b80\u5355\u7684\u8f6c\u53d1\u51fa\u53bb\u3002<\/li>\n<li>\u7528\u4e8e\u8d44\u6e90\u9884\u7559\uff08RSVP\uff09\u3002<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u76ee\u7684\u9009\u9879\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>60<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u76ee\u7684\u9009\u9879\u62a5\u5934\u643a\u5e26\u4e86\u4e00\u4e9b\u53ea\u6709\u76ee\u7684\u8282\u70b9\u624d\u4f1a\u5904\u7406\u7684\u4fe1\u606f\u3002\u76ee\u524d\uff0c\u76ee\u7684\u9009\u9879\u62a5\u6587\u5934\u4e3b\u8981\u5e94\u7528\u4e8e\u79fb\u52a8IPv6\u3002<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u8def\u7531\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>43<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u8def\u7531\u62a5\u5934\u548cIPv4\u7684Loose Source and Record Route\u9009\u9879\u7c7b\u4f3c\uff0c\u8be5\u62a5\u5934\u80fd\u591f\u88abIPv6\u6e90\u8282\u70b9\u7528\u6765\u5f3a\u5236\u6570\u636e\u5305\u7ecf\u8fc7\u7279\u5b9a\u7684\u8bbe\u5907\u3002<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u5206\u6bb5\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>44<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u540cIPv4\u4e00\u6837\uff0cIPv6\u62a5\u6587\u53d1\u9001\u4e5f\u53d7\u5230MTU\u7684\u9650\u5236\u3002\u5f53\u62a5\u6587\u957f\u5ea6\u8d85\u8fc7MTU\u65f6\u5c31\u9700\u8981\u5c06\u62a5\u6587\u5206\u6bb5\u53d1\u9001\uff0c\u800c\u5728IPv6\u4e2d\uff0c\u5206\u6bb5\u53d1\u9001\u4f7f\u7528\u7684\u662f\u5206\u6bb5\u62a5\u5934\u3002<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u8ba4\u8bc1\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>51<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u8be5\u62a5\u5934\u7531IPsec\u4f7f\u7528\uff0c\u63d0\u4f9b\u8ba4\u8bc1\u3001\u6570\u636e\u5b8c\u6574\u6027\u4ee5\u53ca\u91cd\u653e\u4fdd\u62a4\u3002\u5b83\u8fd8\u5bf9IPv6\u57fa\u672c\u62a5\u5934\u4e2d\u7684\u4e00\u4e9b\u5b57\u6bb5\u8fdb\u884c\u4fdd\u62a4\u3002<\/div>\n<\/td>\n<\/tr>\n<tr>\n<td valign=\"top\" width=\"10.7%\">\n<div>\u5c01\u88c5\u5b89\u5168\u51c0\u8f7d\u62a5\u5934<\/div>\n<\/td>\n<td valign=\"top\" width=\"10.03%\">\n<div>50<\/div>\n<\/td>\n<td valign=\"top\" width=\"79.26%\">\n<div>\u8be5\u62a5\u5934\u7531IPsec\u4f7f\u7528\uff0c\u63d0\u4f9b\u8ba4\u8bc1\u3001\u6570\u636e\u5b8c\u6574\u6027\u4ee5\u53ca\u91cd\u653e\u4fdd\u62a4\u548cIPv6\u6570\u636e\u62a5\u7684\u4fdd\u5bc6\uff0c\u7c7b\u4f3c\u4e8e\u8ba4\u8bc1\u62a5\u5934\u3002<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div><\/div>\n<div><strong>IPv6\u6269\u5c55\u62a5\u5934\u89c4\u7ea6<\/strong><\/div>\n<div>\u5f53\u8d85\u8fc7\u4e00\u79cd\u6269\u5c55\u62a5\u5934\u88ab\u7528\u5728\u540c\u4e00\u4e2a\u5206\u7ec4\u91cc\u65f6\uff0c\u62a5\u5934\u5fc5\u987b\u6309\u7167\u4e0b\u5217\u987a\u5e8f\u51fa\u73b0\uff1a<\/div>\n<ul>\n<li>IPv6\u57fa\u672c\u62a5\u5934<\/li>\n<li>\u9010\u8df3\u9009\u9879\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u76ee\u7684\u9009\u9879\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u8def\u7531\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u5206\u6bb5\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u8ba4\u8bc1\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u5c01\u88c5\u5b89\u5168\u6709\u6548\u8f7d\u8377\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u76ee\u7684\u9009\u9879\u6269\u5c55\u62a5\u5934<\/li>\n<li>\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u62a5\u6587<\/li>\n<\/ul>\n<div>\u8def\u7531\u8bbe\u5907\u8f6c\u53d1\u65f6\u6839\u636e\u57fa\u672c\u62a5\u5934\u4e2dNext Header\u503c\u6765\u51b3\u5b9a\u662f\u5426\u8981\u5904\u7406\u6269\u5c55\u5934\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u7684\u6269\u5c55\u62a5\u5934\u90fd\u9700\u8981\u88ab\u8f6c\u53d1\u8def\u7531\u8bbe\u5907\u67e5\u770b\u548c\u5904\u7406\u7684\u3002<\/div>\n<div><\/div>\n<div>\u9664\u4e86\u76ee\u7684\u9009\u9879\u6269\u5c55\u62a5\u5934\u53ef\u80fd\u51fa\u73b0\u4e00\u6b21\u6216\u4e24\u6b21\uff08\u4e00\u6b21\u5728\u8def\u7531\u6269\u5c55\u62a5\u5934\u4e4b\u524d\uff0c\u53e6\u4e00\u6b21\u5728\u4e0a\u5c42\u534f\u8bae\u6570\u636e\u62a5\u6587\u4e4b\u524d\uff09\uff0c\u5176\u4f59\u6269\u5c55\u62a5\u5934\u53ea\u80fd\u51fa\u73b0\u4e00\u6b21\u3002<\/div>\n<div><\/div>\n<h1>ICMPv6<\/h1>\n<div>ICMPv6\uff08Internet Control Message Protocol for the IPv6\uff09\u662fIPv6\u7684\u57fa\u7840\u534f\u8bae\u4e4b\u4e00\u3002<\/div>\n<div><\/div>\n<div>\u5728IPv4\u4e2d\uff0cInternet\u63a7\u5236\u62a5\u6587\u534f\u8baeICMP\uff08Internet Control Message Protocol\uff09\u5411\u6e90\u8282\u70b9\u62a5\u544a\u5173\u4e8e\u5411\u76ee\u7684\u5730\u4f20\u8f93IP\u6570\u636e\u5305\u8fc7\u7a0b\u4e2d\u7684\u9519\u8bef\u548c\u4fe1\u606f\u3002\u5b83\u4e3a\u8bca\u65ad\u3001\u4fe1\u606f\u548c\u7ba1\u7406\u76ee\u7684\u5b9a\u4e49\u4e86\u4e00\u4e9b\u6d88\u606f\uff0c\u5982\uff1a\u76ee\u7684\u4e0d\u53ef\u8fbe\u3001\u6570\u636e\u5305\u8d85\u957f\u3001\u8d85\u65f6\u3001\u56de\u5e94\u8bf7\u6c42\u548c\u56de\u5e94\u5e94\u7b54\u7b49\u3002\u5728IPv6\u4e2d\uff0cICMPv6\u9664\u4e86\u63d0\u4f9bICMPv4\u5e38\u7528\u7684\u529f\u80fd\u4e4b\u5916\uff0c\u8fd8\u662f\u5176\u5b83\u4e00\u4e9b\u529f\u80fd\u7684\u57fa\u7840\uff0c\u5982\u90bb\u63a5\u70b9\u53d1\u73b0\u3001\u65e0\u72b6\u6001\u5730\u5740\u914d\u7f6e\uff08\u5305\u62ec\u91cd\u590d\u5730\u5740\u68c0\u6d4b\uff09\u3001PMTU\u53d1\u73b0\u7b49\u3002<\/div>\n<div><\/div>\n<div>ICMPv6\u7684\u534f\u8bae\u7c7b\u578b\u53f7\uff08\u5373IPv6\u62a5\u6587\u4e2d\u7684Next Header\u5b57\u6bb5\u7684\u503c\uff09\u4e3a58\u3002ICMPv6\u7684\u62a5\u6587\u683c\u5f0f\u5982\u56fe1\u6240\u793a\uff1a<\/div>\n<div>\u56fe1 ICMPv6\u62a5\u6587\u683c\u5f0f<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-710\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-20.png\" alt=\"\" width=\"496\" height=\"297\" \/><\/div>\n<div>\u62a5\u6587\u4e2d\u5b57\u6bb5\u89e3\u91ca\u5982\u4e0b\uff1a<\/div>\n<ul>\n<li>Type\uff1a\u8868\u660e\u6d88\u606f\u7684\u7c7b\u578b\uff0c0\u81f3127\u8868\u793a\u5dee\u9519\u62a5\u6587\u7c7b\u578b\uff0c128\u81f3255\u8868\u793a\u6d88\u606f\u62a5\u6587\u7c7b\u578b\u3002<\/li>\n<li>Code\uff1a\u8868\u793a\u6b64\u6d88\u606f\u7c7b\u578b\u7ec6\u5206\u7684\u7c7b\u578b\u3002<\/li>\n<li>Checksum\uff1a\u8868\u793aICMPv6\u62a5\u6587\u7684\u6821\u9a8c\u548c\u3002<\/li>\n<\/ul>\n<h4>ICMPv6\u9519\u8bef\u62a5\u6587\u7684\u5206\u7c7b<\/h4>\n<div>ICMPv6\u9519\u8bef\u62a5\u6587\u7528\u4e8e\u62a5\u544a\u5728\u8f6c\u53d1IPv6\u6570\u636e\u5305\u8fc7\u7a0b\u4e2d\u51fa\u73b0\u7684\u9519\u8bef\u3002ICMPv6\u9519\u8bef\u62a5\u6587\u53ef\u4ee5\u5206\u4e3a\u4ee5\u4e0b4\u79cd\uff1a<\/div>\n<ul>\n<li>\u76ee\u7684\u4e0d\u53ef\u8fbe\u9519\u8bef\u62a5\u6587<br \/>\n\u5728IPv6\u8282\u70b9\u8f6c\u53d1IPv6\u62a5\u6587\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u8bbe\u5907\u53d1\u73b0\u76ee\u7684\u5730\u5740\u4e0d\u53ef\u8fbe\u65f6\uff0c\u5c31\u4f1a\u5411\u53d1\u9001\u62a5\u6587\u7684\u6e90\u8282\u70b9\u53d1\u9001ICMPv6\u76ee\u7684\u4e0d\u53ef\u8fbe\u9519\u8bef\u62a5\u6587\uff0c\u540c\u65f6\u62a5\u6587\u4e2d\u4f1a\u643a\u5e26\u5f15\u8d77\u8be5\u9519\u8bef\u62a5\u6587\u7684\u5177\u4f53\u539f\u56e0\u3002<br \/>\n\u76ee\u7684\u4e0d\u53ef\u8fbe\u9519\u8bef\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a1\u3002\u6839\u636e\u9519\u8bef\u5177\u4f53\u539f\u56e0\u53c8\u53ef\u4ee5\u7ec6\u5206\u4e3a\uff1a<\/p>\n<ul>\n<li>Code=0\uff1a\u6ca1\u6709\u5230\u8fbe\u76ee\u6807\u8bbe\u5907\u7684\u8def\u7531\u3002<\/li>\n<li>Code=1\uff1a\u4e0e\u76ee\u6807\u8bbe\u5907\u7684\u901a\u4fe1\u88ab\u7ba1\u7406\u7b56\u7565\u7981\u6b62\u3002<\/li>\n<li>Code=2\uff1a\u672a\u6307\u5b9a\u3002<\/li>\n<li>Code=3\uff1a\u76ee\u7684IP\u5730\u5740\u4e0d\u53ef\u8fbe\u3002<\/li>\n<li>Code=4\uff1a\u76ee\u7684\u7aef\u53e3\u4e0d\u53ef\u8fbe\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\u6570\u636e\u5305\u8fc7\u5927\u9519\u8bef\u62a5\u6587<br \/>\n\u5728IPv6\u8282\u70b9\u8f6c\u53d1IPv6\u62a5\u6587\u8fc7\u7a0b\u4e2d\uff0c\u53d1\u73b0\u62a5\u6587\u8d85\u8fc7\u51fa\u63a5\u53e3\u7684\u94fe\u8defMTU\u65f6\uff0c\u5219\u5411\u53d1\u9001\u62a5\u6587\u7684\u6e90\u8282\u70b9\u53d1\u9001ICMPv6\u6570\u636e\u5305\u8fc7\u5927\u9519\u8bef\u62a5\u6587\uff0c\u5176\u4e2d\u643a\u5e26\u51fa\u63a5\u53e3\u7684\u94fe\u8defMTU\u503c\u3002\u6570\u636e\u5305\u8fc7\u5927\u9519\u8bef\u62a5\u6587\u662fPath MTU\u53d1\u73b0\u673a\u5236\u7684\u57fa\u7840\u3002<br \/>\n\u6570\u636e\u5305\u8fc7\u5927\u9519\u8bef\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a2\uff0cCode\u5b57\u6bb5\u503c\u4e3a0\u3002<\/li>\n<li>\u65f6\u95f4\u8d85\u65f6\u9519\u8bef\u62a5\u6587<br \/>\n\u5728IPv6\u62a5\u6587\u6536\u53d1\u8fc7\u7a0b\u4e2d\uff0c\u5f53\u8bbe\u5907\u6536\u5230Hop Limit\u5b57\u6bb5\u503c\u7b49\u4e8e0\u7684\u6570\u636e\u5305\uff0c\u6216\u8005\u5f53\u8bbe\u5907\u5c06Hop Limit\u5b57\u6bb5\u503c\u51cf\u4e3a0\u65f6\uff0c\u4f1a\u5411\u53d1\u9001\u62a5\u6587\u7684\u6e90\u8282\u70b9\u53d1\u9001ICMPv6\u8d85\u65f6\u9519\u8bef\u62a5\u6587\u3002\u5bf9\u4e8e\u5206\u6bb5\u91cd\u7ec4\u62a5\u6587\u7684\u64cd\u4f5c\uff0c\u5982\u679c\u8d85\u8fc7\u5b9a\u65f6\u65f6\u95f4\uff0c\u4e5f\u4f1a\u4ea7\u751f\u4e00\u4e2aICMPv6\u8d85\u65f6\u62a5\u6587\u3002<br \/>\n\u65f6\u95f4\u8d85\u65f6\u9519\u8bef\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a3\uff0c\u6839\u636e\u9519\u8bef\u5177\u4f53\u539f\u56e0\u53c8\u53ef\u4ee5\u7ec6\u5206\u4e3a\uff1a<\/p>\n<ul>\n<li>Code=0\uff1a\u5728\u4f20\u8f93\u4e2d\u8d85\u8d8a\u4e86\u8df3\u6570\u9650\u5236\u3002<\/li>\n<li>Code=1\uff1a\u5206\u7247\u91cd\u7ec4\u8d85\u65f6\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>\u53c2\u6570\u9519\u8bef\u62a5\u6587<br \/>\n\u5f53\u76ee\u7684\u8282\u70b9\u6536\u5230\u4e00\u4e2aIPv6\u62a5\u6587\u65f6\uff0c\u4f1a\u5bf9\u62a5\u6587\u8fdb\u884c\u6709\u6548\u6027\u68c0\u67e5\uff0c\u5982\u679c\u53d1\u73b0\u95ee\u9898\u4f1a\u5411\u62a5\u6587\u7684\u6e90\u8282\u70b9\u56de\u5e94\u4e00\u4e2aICMPv6\u53c2\u6570\u9519\u8bef\u5dee\u9519\u62a5\u6587\u3002<br \/>\n\u53c2\u6570\u9519\u8bef\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a4\uff0c\u6839\u636e\u9519\u8bef\u5177\u4f53\u539f\u56e0\u53c8\u53ef\u4ee5\u7ec6\u5206\u4e3a\uff1a<\/p>\n<ul>\n<li>Code=0\uff1aIPv6\u57fa\u672c\u5934\u6216\u6269\u5c55\u5934\u7684\u67d0\u4e2a\u5b57\u6bb5\u6709\u9519\u8bef\u3002<\/li>\n<li>Code=1\uff1aIPv6\u57fa\u672c\u5934\u6216\u6269\u5c55\u5934\u7684NextHeader\u503c\u4e0d\u53ef\u8bc6\u522b\u3002<\/li>\n<li>Code=2\uff1a\u6269\u5c55\u5934\u4e2d\u51fa\u73b0\u672a\u77e5\u7684\u9009\u9879\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4>ICMPv6\u4fe1\u606f\u62a5\u6587\u7684\u5206\u7c7b<\/h4>\n<div>ICMPv6\u4fe1\u606f\u62a5\u6587\u63d0\u4f9b\u8bca\u65ad\u529f\u80fd\u548c\u9644\u52a0\u7684\u4e3b\u673a\u529f\u80fd\uff0c\u6bd4\u5982\u591a\u64ad\u4fa6\u542c\u53d1\u73b0\u548c\u90bb\u5c45\u53d1\u73b0\u3002\u5e38\u89c1\u7684ICMPv6\u4fe1\u606f\u62a5\u6587\u4e3b\u8981\u5305\u62ec\u56de\u9001\u8bf7\u6c42\u62a5\u6587\uff08Echo Request\uff09\u548c\u56de\u9001\u5e94\u7b54\u62a5\u6587\uff08Echo Reply\uff09\uff0c\u8fd9\u4e24\u79cd\u62a5\u6587\u4e5f\u5c31\u662f\u901a\u5e38\u4f7f\u7528\u7684Ping\u62a5\u6587\u3002<\/div>\n<ul>\n<li>\u56de\u9001\u8bf7\u6c42\u62a5\u6587\uff1a\u56de\u9001\u8bf7\u6c42\u62a5\u6587\u7528\u4e8e\u53d1\u9001\u5230\u76ee\u6807\u8282\u70b9\uff0c\u4ee5\u4f7f\u76ee\u6807\u8282\u70b9\u7acb\u5373\u53d1\u56de\u4e00\u4e2a\u56de\u9001\u5e94\u7b54\u62a5\u6587\u3002\u56de\u9001\u8bf7\u6c42\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a128\uff0cCode\u5b57\u6bb5\u7684\u503c\u4e3a0\u3002<\/li>\n<li>\u56de\u9001\u5e94\u7b54\u62a5\u6587\uff1a\u5f53\u6536\u5230\u4e00\u4e2a\u56de\u9001\u8bf7\u6c42\u62a5\u6587\u65f6\uff0cICMPv6\u4f1a\u7528\u56de\u9001\u5e94\u7b54\u62a5\u6587\u54cd\u5e94\u3002\u56de\u9001\u5e94\u7b54\u62a5\u6587\u7684Type\u5b57\u6bb5\u7684\u503c\u4e3a129\uff0cCode\u5b57\u6bb5\u7684\u503c\u4e3a0\u3002<\/li>\n<\/ul>\n<h1>\u90bb\u5c45\u53d1\u73b0<\/h1>\n<div>\u90bb\u5c45\u53d1\u73b0\u534f\u8baeNDP\uff08Neighbor Discovery Protocol\uff09\u662fIPv6\u534f\u8bae\u4f53\u7cfb\u4e2d\u4e00\u4e2a\u91cd\u8981\u7684\u57fa\u7840\u534f\u8bae\u3002\u90bb\u5c45\u53d1\u73b0\u534f\u8bae\u66ff\u4ee3\u4e86IPv4\u7684ARP\uff08Address Resolution Protocol\uff09\u548cICMP\u8def\u7531\u5668\u53d1\u73b0\uff08Router Discovery\uff09\uff0c\u5b83\u5b9a\u4e49\u4e86\u4f7f\u7528ICMPv6\u62a5\u6587\u5b9e\u73b0\u5730\u5740\u89e3\u6790\uff0c\u8ddf\u8e2a\u90bb\u5c45\u72b6\u6001\uff0c\u91cd\u590d\u5730\u5740\u68c0\u6d4b\uff0c\u8def\u7531\u5668\u53d1\u73b0\u4ee5\u53ca\u91cd\u5b9a\u5411\u7b49\u529f\u80fd\u3002<\/div>\n<h4>\u5730\u5740\u89e3\u6790<\/h4>\n<div>\u5728IPv4\u4e2d\uff0c\u5f53\u4e3b\u673a\u9700\u8981\u548c\u76ee\u6807\u4e3b\u673a\u901a\u4fe1\u65f6\uff0c\u5fc5\u987b\u5148\u901a\u8fc7ARP\u534f\u8bae\u83b7\u5f97\u76ee\u7684\u4e3b\u673a\u7684\u94fe\u8def\u5c42\u5730\u5740\u3002\u5728IPv6\u4e2d\uff0c\u540c\u6837\u9700\u8981\u4eceIP\u5730\u5740\u89e3\u6790\u5230\u94fe\u8def\u5c42\u5730\u5740\u7684\u529f\u80fd\u3002\u90bb\u5c45\u53d1\u73b0\u534f\u8bae\u5b9e\u73b0\u4e86\u8fd9\u4e2a\u529f\u80fd\u3002<\/div>\n<div><\/div>\n<div>ARP\u62a5\u6587\u662f\u76f4\u63a5\u5c01\u88c5\u5728\u4ee5\u592a\u7f51\u62a5\u6587\u4e2d\uff0c\u4ee5\u592a\u7f51\u534f\u8bae\u7c7b\u578b\u4e3a0x0806\uff0c\u666e\u904d\u89c2\u70b9\u8ba4\u4e3aARP\u5b9a\u4f4d\u4e3a\u7b2c2.5\u5c42\u7684\u534f\u8bae\u3002ND\u672c\u8eab\u57fa\u4e8eICMPv6\u5b9e\u73b0\uff0c\u4ee5\u592a\u7f51\u534f\u8bae\u7c7b\u578b\u4e3a0x86DD\uff0c\u5373IPv6\u62a5\u6587\uff0cIPv6\u4e0b\u4e00\u4e2a\u62a5\u5934\u5b57\u6bb5\u503c\u4e3a58\uff0c\u8868\u793aICMPv6\u62a5\u6587\uff0c\u7531\u4e8eND\u534f\u8bae\u4f7f\u7528\u7684\u6240\u6709\u62a5\u6587\u5747\u5c01\u88c5\u5728ICMPv6\u62a5\u6587\u4e2d\uff0c\u4e00\u822c\u6765\u8bf4\uff0cND\u88ab\u770b\u4f5c\u7b2c3\u5c42\u7684\u534f\u8bae\u3002\u5728\u4e09\u5c42\u5b8c\u6210\u5730\u5740\u89e3\u6790\uff0c\u4e3b\u8981\u5e26\u6765\u4ee5\u4e0b\u51e0\u4e2a\u597d\u5904\uff1a<\/div>\n<ul>\n<li>\u5730\u5740\u89e3\u6790\u5728\u4e09\u5c42\u5b8c\u6210\uff0c\u4e0d\u540c\u7684\u4e8c\u5c42\u4ecb\u8d28\u53ef\u4ee5\u91c7\u7528\u76f8\u540c\u7684\u5730\u5740\u89e3\u6790\u534f\u8bae\u3002<\/li>\n<li>\u53ef\u4ee5\u4f7f\u7528\u4e09\u5c42\u7684\u5b89\u5168\u673a\u5236\u907f\u514d\u5730\u5740\u89e3\u6790\u653b\u51fb\u3002<\/li>\n<li>\u4f7f\u7528\u7ec4\u64ad\u65b9\u5f0f\u53d1\u9001\u8bf7\u6c42\u62a5\u6587\uff0c\u51cf\u5c11\u4e86\u4e8c\u5c42\u7f51\u7edc\u7684\u6027\u80fd\u538b\u529b\u3002<\/li>\n<\/ul>\n<div>\u5730\u5740\u89e3\u6790\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u4e86\u4e24\u79cdICMPv6\u62a5\u6587\uff1a\u90bb\u5c45\u8bf7\u6c42\u62a5\u6587NS\uff08Neighbor Solicitation\uff09\u548c\u90bb\u5c45\u901a\u544a\u62a5\u6587NA\uff08Neighbor Advertisement\uff09\u3002<\/div>\n<ul>\n<li>NS\u62a5\u6587\uff1aType\u5b57\u6bb5\u503c\u4e3a135\uff0cCode\u5b57\u6bb5\u503c\u4e3a0\uff0c\u5728\u5730\u5740\u89e3\u6790\u4e2d\u7684\u4f5c\u7528\u7c7b\u4f3c\u4e8eIPv4\u4e2d\u7684ARP\u8bf7\u6c42\u62a5\u6587\u3002<\/li>\n<li>NA\u62a5\u6587\uff1aType\u5b57\u6bb5\u503c\u4e3a136\uff0cCode\u5b57\u6bb5\u503c\u4e3a0\uff0c\u5728\u5730\u5740\u89e3\u6790\u4e2d\u7684\u4f5c\u7528\u7c7b\u4f3c\u4e8eIPv4\u4e2d\u7684ARP\u5e94\u7b54\u62a5\u6587\u3002<\/li>\n<\/ul>\n<div>\u5730\u5740\u89e3\u6790\u7684\u8fc7\u7a0b\u5982\u56fe1\u6240\u793a\uff1a<\/div>\n<div>\u56fe1 IPv6\u5730\u5740\u89e3\u6790\u8fc7\u7a0b<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-711\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-21.png\" alt=\"\" width=\"502\" height=\"306\" \/><\/div>\n<div>Host A\u5728\u5411Host B\u53d1\u9001\u62a5\u6587\u4e4b\u524d\u5b83\u5fc5\u987b\u8981\u89e3\u6790\u51faHost B\u7684\u94fe\u8def\u5c42\u5730\u5740\uff0c\u6240\u4ee5\u9996\u5148Host A\u4f1a\u53d1\u9001\u4e00\u4e2aNS\u62a5\u6587\uff0c\u5176\u4e2d\u6e90\u5730\u5740\u4e3aHost A\u7684IPv6\u5730\u5740\uff0c\u76ee\u7684\u5730\u5740\u4e3aHost B\u7684\u88ab\u8bf7\u6c42\u8282\u70b9\u7ec4\u64ad\u5730\u5740\uff0c\u9700\u8981\u89e3\u6790\u7684\u76ee\u6807IP\u4e3aHost B\u7684IPv6\u5730\u5740\uff0c\u8fd9\u5c31\u8868\u793aHost A\u60f3\u8981\u77e5\u9053Host B\u7684\u94fe\u8def\u5c42\u5730\u5740\u3002\u540c\u65f6\u9700\u8981\u6307\u51fa\u7684\u662f\uff0c\u5728NS\u62a5\u6587\u7684Options\u5b57\u6bb5\u4e2d\u8fd8\u643a\u5e26\u4e86Host A\u7684\u94fe\u8def\u5c42\u5730\u5740\u3002<\/div>\n<div><\/div>\n<div>\u5f53Host B\u63a5\u6536\u5230\u4e86NS\u62a5\u6587\u4e4b\u540e\uff0c\u5c31\u4f1a\u56de\u5e94NA\u62a5\u6587\uff0c\u5176\u4e2d\u6e90\u5730\u5740\u4e3aHost B\u7684IPv6\u5730\u5740\uff0c\u76ee\u7684\u5730\u5740\u4e3aHost A\u7684IPv6\u5730\u5740\uff08\u4f7f\u7528NS\u62a5\u6587\u4e2d\u7684Host A\u7684\u94fe\u8def\u5c42\u5730\u5740\u8fdb\u884c\u5355\u64ad\uff09\uff0cHost B\u7684\u94fe\u8def\u5c42\u5730\u5740\u88ab\u653e\u5728Options\u5b57\u6bb5\u4e2d\u3002\u8fd9\u6837\u5c31\u5b8c\u6210\u4e86\u4e00\u4e2a\u5730\u5740\u89e3\u6790\u7684\u8fc7\u7a0b\u3002<\/div>\n<h4>\u8ddf\u8e2a\u90bb\u5c45\u72b6\u6001<\/h4>\n<div>\u901a\u8fc7\u90bb\u5c45\u6216\u5230\u8fbe\u90bb\u5c45\u7684\u901a\u4fe1\uff0c\u4f1a\u56e0\u5404\u79cd\u539f\u56e0\u800c\u4e2d\u65ad\uff0c\u5305\u62ec\u786c\u4ef6\u6545\u969c\u3001\u63a5\u53e3\u5361\u7684\u70ed\u63d2\u5165\u7b49\u3002\u5982\u679c\u76ee\u7684\u5730\u00a0\u00a0 \u00a0\u5931\u6548\uff0c\u5219\u6062\u590d\u662f\u4e0d\u53ef\u80fd\u7684\uff0c\u901a\u4fe1\u5931\u8d25\uff1b\u5982\u679c\u8def\u5f84\u5931\u6548\uff0c\u5219\u6062\u590d\u662f\u53ef\u80fd\u7684\u3002\u56e0\u6b64\u8282\u70b9\u9700\u8981\u7ef4\u62a4\u4e00\u5f20\u90bb\u5c45\u8868\uff0c\u6bcf\u4e2a\u90bb\u5c45\u90fd\u6709\u76f8\u5e94\u7684\u72b6\u6001\uff0c\u72b6\u6001\u4e4b\u95f4\u53ef\u4ee5\u8fc1\u79fb\u3002<\/div>\n<div><\/div>\n<div>RFC2461\u4e2d\u5b9a\u4e49\u4e865\u79cd\u90bb\u5c45\u72b6\u6001\uff0c\u5206\u522b\u662f\uff1a\u672a\u5b8c\u6210\uff08Incomplete\uff09\u3001\u53ef\u8fbe\uff08Reachable\uff09\u3001\u9648\u65e7\uff08Stale\uff09\u3001\u5ef6\u8fdf\uff08Delay\uff09\u3001\u63a2\u67e5\uff08Probe\uff09\u3002<\/div>\n<div><\/div>\n<div>\u90bb\u5c45\u72b6\u6001\u4e4b\u95f4\u5177\u4f53\u8fc1\u79fb\u8fc7\u7a0b\u5982\u56fe2\u6240\u793a\uff0c\u5176\u4e2dEmpty\u8868\u793a\u90bb\u5c45\u8868\u9879\u4e3a\u7a7a\u3002<\/div>\n<div>\u56fe2 \u90bb\u5c45\u72b6\u6001\u8fc1\u79fb\u793a\u4f8b<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-712\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-22.png\" alt=\"\" width=\"470\" height=\"152\" \/><\/div>\n<div>\u4e0b\u9762\u4ee5A\u3001B\u4e24\u4e2a\u90bb\u5c45\u8282\u70b9\u4e4b\u95f4\u76f8\u4e92\u901a\u4fe1\u8fc7\u7a0b\u4e2dA\u8282\u70b9\u7684\u90bb\u5c45\u72b6\u6001\u53d8\u5316\u4e3a\u4f8b\uff08\u5047\u8bbeA\u3001B\u4e4b\u524d\u4ece\u672a\u901a\u4fe1\uff09\uff0c\u8bf4\u660e\u90bb\u5c45\u72b6\u6001\u8fc1\u79fb\u7684\u8fc7\u7a0b\u3002<\/div>\n<ol>\n<li>A\u5148\u53d1\u9001NS\u62a5\u6587\uff0c\u5e76\u751f\u6210\u7f13\u5b58\u6761\u76ee\uff0c\u6b64\u65f6\uff0c\u90bb\u5c45\u72b6\u6001\u4e3aIncomplete\u3002<\/li>\n<li>\u82e5B\u56de\u590dNA\u62a5\u6587\uff0c\u5219\u90bb\u5c45\u72b6\u6001\u7531Incomplete\u53d8\u4e3aReachable\uff0c\u5426\u5219\u56fa\u5b9a\u65f6\u95f4\u540e\u90bb\u5c45\u72b6\u6001\u7531Incomplete\u53d8\u4e3aEmpty\uff0c\u5373\u5220\u9664\u8868\u9879\u3002<\/li>\n<li>\u7ecf\u8fc7\u90bb\u5c45\u53ef\u8fbe\u65f6\u95f4\uff0c\u90bb\u5c45\u72b6\u6001\u7531Reachable\u53d8\u4e3aStale\uff0c\u5373\u4e0d\u786e\u5b9a\u90bb\u5c45\u8282\u70b9\u7684\u53ef\u8fbe\u6027\u3002<\/li>\n<li>\u5982\u679c\u5728Reachable\u72b6\u6001\uff0cA\u6536\u5230B\u7684\u975e\u8bf7\u6c42NA\u62a5\u6587\uff0c\u4e14\u62a5\u6587\u4e2d\u643a\u5e26\u7684B\u7684\u94fe\u8def\u5c42\u5730\u5740\u548c\u8868\u9879\u4e2d\u4e0d\u540c\uff0c\u5219\u90bb\u5c45\u72b6\u6001\u9a6c\u4e0a\u53d8\u4e3aStale\u3002<\/li>\n<li>\u5728STALE\u72b6\u6001\u5230\u8fbe\u8001\u5316\u65f6\u95f4\u540e\u8fdb\u5165Delay\u72b6\u6001\u3002<\/li>\n<li>\u5728\u7ecf\u8fc7\u4e00\u6bb5\u56fa\u5b9a\u65f6\u95f4\uff085\u79d2\uff09\u540e\uff0c\u90bb\u5c45\u72b6\u6001\u7531Delay\u53d8\u4e3aProbe\uff0c\u5176\u95f4\u82e5\u6709NA\u5e94\u7b54\uff0c\u5219\u90bb\u5c45\u72b6\u6001\u7531Delay\u53d8\u4e3aReachable\u3002<\/li>\n<li>\u5728Probe\u72b6\u6001\uff0cA\u6bcf\u9694\u4e00\u5b9a\u65f6\u95f4\u95f4\u9694\uff081\u79d2\uff09\u53d1\u9001\u5355\u64adNS\uff0c\u53d1\u9001\u56fa\u5b9a\u6b21\u6570\uff083\u6b21\uff09\u540e\uff0c\u6709\u5e94\u7b54\u5219\u90bb\u5c45\u72b6\u6001\u53d8\u4e3aReachable\uff0c\u5426\u5219\u90bb\u5c45\u72b6\u6001\u53d8\u4e3aEmpty\uff0c\u5373\u5220\u9664\u8868\u9879\u3002<\/li>\n<\/ol>\n<h4>\u91cd\u590d\u5730\u5740\u68c0\u6d4b<\/h4>\n<div>\u91cd\u590d\u5730\u5740\u68c0\u6d4bDAD\uff08Duplicate Address Detect\uff09\u662f\u5728\u63a5\u53e3\u4f7f\u7528\u67d0\u4e2aIPv6\u5355\u64ad\u5730\u5740\u4e4b\u524d\u8fdb\u884c\u7684\uff0c\u4e3b\u8981\u662f\u4e3a\u4e86\u63a2\u6d4b\u662f\u5426\u6709\u5176\u5b83\u7684\u8282\u70b9\u4f7f\u7528\u4e86\u8be5\u5730\u5740\u3002\u5c24\u5176\u662f\u5728\u5730\u5740\u81ea\u52a8\u914d\u7f6e\u7684\u65f6\u5019\uff0c\u8fdb\u884cDAD\u68c0\u6d4b\u662f\u5f88\u5fc5\u8981\u7684\u3002\u4e00\u4e2aIPv6\u5355\u64ad\u5730\u5740\u5728\u5206\u914d\u7ed9\u4e00\u4e2a\u63a5\u53e3\u4e4b\u540e\u4e14\u901a\u8fc7\u91cd\u590d\u5730\u5740\u68c0\u6d4b\u4e4b\u524d\u79f0\u4e3a\u8bd5\u9a8c\u5730\u5740\uff08Tentative Address\uff09\u3002\u6b64\u65f6\u8be5\u63a5\u53e3\u4e0d\u80fd\u4f7f\u7528\u8fd9\u4e2a\u8bd5\u9a8c\u5730\u5740\u8fdb\u884c\u5355\u64ad\u901a\u4fe1\uff0c\u4f46\u662f\u4ecd\u7136\u4f1a\u52a0\u5165\u4e24\u4e2a\u7ec4\u64ad\u7ec4\uff1aALL-NODES\u7ec4\u64ad\u7ec4\u548c\u8bd5\u9a8c\u5730\u5740\u6240\u5bf9\u5e94\u7684Solicited-Node\u7ec4\u64ad\u7ec4\u3002<\/div>\n<div><\/div>\n<div>IPv6\u91cd\u590d\u5730\u5740\u68c0\u6d4b\u6280\u672f\u548cIPv4\u4e2d\u7684\u514d\u8d39ARP\u7c7b\u4f3c\uff1a\u8282\u70b9\u5411\u8bd5\u9a8c\u5730\u5740\u6240\u5bf9\u5e94\u7684Solicited-Node\u7ec4\u64ad\u7ec4\u53d1\u9001NS\u62a5\u6587\u3002NS\u62a5\u6587\u4e2d\u76ee\u6807\u5730\u5740\u5373\u4e3a\u8be5\u8bd5\u9a8c\u5730\u5740\u3002\u5982\u679c\u6536\u5230\u67d0\u4e2a\u5176\u4ed6\u7ad9\u70b9\u56de\u5e94\u7684NA\u62a5\u6587\uff0c\u5c31\u8bc1\u660e\u8be5\u5730\u5740\u5df2\u88ab\u7f51\u7edc\u4e0a\u4f7f\u7528\uff0c\u8282\u70b9\u5c06\u4e0d\u80fd\u4f7f\u7528\u8be5\u8bd5\u9a8c\u5730\u5740\u901a\u8baf\u3002<\/div>\n<div><\/div>\n<div>\u91cd\u590d\u5730\u5740\u68c0\u6d4b\u539f\u7406\u5982\u56fe3\u6240\u793a\uff1a<\/div>\n<div>\u56fe3 \u91cd\u590d\u5730\u5740\u68c0\u6d4b\u793a\u4f8b<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-713\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-23.png\" alt=\"\" width=\"494\" height=\"273\" \/><\/div>\n<div>Host A\u7684IPv6\u5730\u5740FC00::1\u4e3a\u65b0\u914d\u7f6e\u5730\u5740\uff0c\u5373FC00::1\u4e3aHost A\u7684\u8bd5\u9a8c\u5730\u5740\u3002Host A\u5411FC00::1\u7684Solicited-Node\u7ec4\u64ad\u7ec4\u53d1\u9001\u4e00\u4e2a\u4ee5FC00::1\u4e3a\u8bf7\u6c42\u7684\u76ee\u6807\u5730\u5740\u7684NS\u62a5\u6587\u8fdb\u884c\u91cd\u590d\u5730\u5740\u68c0\u6d4b\uff0c\u7531\u4e8eFC00::1\u5e76\u672a\u6b63\u5f0f\u6307\u5b9a\uff0c\u6240\u4ee5NS\u62a5\u6587\u7684\u6e90\u5730\u5740\u4e3a\u672a\u6307\u5b9a\u5730\u5740\u3002\u5f53Host B\u6536\u5230\u8be5NS\u62a5\u6587\u540e\uff0c\u6709\u4e24\u79cd\u5904\u7406\u65b9\u6cd5\uff1a<\/div>\n<ul>\n<li>\u5982\u679cHost B\u53d1\u73b0FC00::1\u662f\u81ea\u8eab\u7684\u4e00\u4e2a\u8bd5\u9a8c\u5730\u5740\uff0c\u5219Host B\u653e\u5f03\u4f7f\u7528\u8fd9\u4e2a\u5730\u5740\u4f5c\u4e3a\u63a5\u53e3\u5730\u5740\uff0c\u5e76\u4e14\u4e0d\u4f1a\u53d1\u9001NA\u62a5\u6587\u3002<\/li>\n<li>\u5982\u679cHost B\u53d1\u73b0FC00::1\u662f\u4e00\u4e2a\u5df2\u7ecf\u6b63\u5e38\u4f7f\u7528\u7684\u5730\u5740\uff0cHost B\u4f1a\u5411FF02::1\u53d1\u9001\u4e00\u4e2aNA\u62a5\u6587\uff0c\u8be5\u6d88\u606f\u4e2d\u4f1a\u5305\u542bFC00::1\u3002\u8fd9\u6837\uff0cHost A\u6536\u5230\u8fd9\u4e2a\u6d88\u606f\u540e\u5c31\u4f1a\u53d1\u73b0\u81ea\u8eab\u7684\u8bd5\u9a8c\u5730\u5740\u662f\u91cd\u590d\u7684\u3002Host A\u4e0a\u8be5\u8bd5\u9a8c\u5730\u5740\u4e0d\u751f\u6548\uff0c\u88ab\u6807\u8bc6\u4e3aduplicated\u72b6\u6001\u3002<\/li>\n<\/ul>\n<h4>\u8def\u7531\u5668\u53d1\u73b0<\/h4>\n<div>\u8def\u7531\u5668\u53d1\u73b0\u529f\u80fd\u7528\u6765\u53d1\u73b0\u4e0e\u672c\u5730\u94fe\u8def\u76f8\u8fde\u7684\u8bbe\u5907\uff0c\u5e76\u83b7\u53d6\u4e0e\u5730\u5740\u81ea\u52a8\u914d\u7f6e\u76f8\u5173\u7684\u524d\u7f00\u548c\u5176\u4ed6\u914d\u7f6e\u53c2\u6570\u3002<\/div>\n<div>\u5728IPv6\u4e2d\uff0cIPv6\u5730\u5740\u53ef\u4ee5\u652f\u6301\u65e0\u72b6\u6001\u7684\u81ea\u52a8\u914d\u7f6e\uff0c\u5373\u4e3b\u673a\u901a\u8fc7\u67d0\u79cd\u673a\u5236\u83b7\u53d6\u7f51\u7edc\u524d\u7f00\u4fe1\u606f\uff0c\u7136\u540e\u4e3b\u673a\u81ea\u5df1\u751f\u6210\u5730\u5740\u7684\u63a5\u53e3\u6807\u8bc6\u90e8\u5206\u3002\u8def\u7531\u5668\u53d1\u73b0\u529f\u80fd\u662fIPv6\u5730\u5740\u81ea\u52a8\u914d\u7f6e\u529f\u80fd\u7684\u57fa\u7840\uff0c\u4e3b\u8981\u901a\u8fc7\u4ee5\u4e0b\u4e24\u79cd\u62a5\u6587\u5b9e\u73b0\uff1a<\/div>\n<ul>\n<li>\u8def\u7531\u5668\u901a\u544aRA\uff08Router Advertisement\uff09\u62a5\u6587\uff1a\u6bcf\u53f0\u8bbe\u5907\u4e3a\u4e86\u8ba9\u4e8c\u5c42\u7f51\u7edc\u4e0a\u7684\u4e3b\u673a\u548c\u8bbe\u5907\u77e5\u9053\u81ea\u5df1\u7684\u5b58\u5728\uff0c\u5b9a\u65f6\u90fd\u4f1a\u7ec4\u64ad\u53d1\u9001RA\u62a5\u6587\uff0cRA\u62a5\u6587\u4e2d\u4f1a\u5e26\u6709\u7f51\u7edc\u524d\u7f00\u4fe1\u606f\uff0c\u53ca\u5176\u4ed6\u4e00\u4e9b\u6807\u5fd7\u4f4d\u4fe1\u606f\u3002RA\u62a5\u6587\u7684Type\u5b57\u6bb5\u503c\u4e3a134\u3002<\/li>\n<li>\u8def\u7531\u5668\u8bf7\u6c42RS\uff08Router Solicitation\uff09\u62a5\u6587\uff1a\u5f88\u591a\u60c5\u51b5\u4e0b\u4e3b\u673a\u63a5\u5165\u7f51\u7edc\u540e\u5e0c\u671b\u5c3d\u5feb\u83b7\u53d6\u7f51\u7edc\u524d\u7f00\u8fdb\u884c\u901a\u4fe1\uff0c\u6b64\u65f6\u4e3b\u673a\u53ef\u4ee5\u7acb\u523b\u53d1\u9001RS\u62a5\u6587\uff0c\u7f51\u7edc\u4e0a\u7684\u8bbe\u5907\u5c06\u56de\u5e94RA\u62a5\u6587\u3002RS\u62a5\u6587\u7684Tpye\u5b57\u6bb5\u503c\u4e3a133\u3002<\/li>\n<\/ul>\n<div>\u8def\u7531\u5668\u53d1\u73b0\u529f\u80fd\u5982\u56fe4\u6240\u793a\uff1a<\/div>\n<div>\u56fe4 \u8def\u7531\u5668\u53d1\u73b0\u793a\u4f8b<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-714\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-24.png\" alt=\"\" width=\"476\" height=\"220\" \/><\/div>\n<div><strong>\u5730\u5740\u81ea\u52a8\u914d\u7f6e<\/strong><\/div>\n<div>IPv4\u4f7f\u7528DHCP\u5b9e\u73b0\u81ea\u52a8\u914d\u7f6e\uff0c\u5305\u62ecIP\u5730\u5740\uff0c\u7f3a\u7701\u7f51\u5173\u7b49\u4fe1\u606f\uff0c\u7b80\u5316\u4e86\u7f51\u7edc\u7ba1\u7406\u3002IPv6\u5730\u5740\u589e\u957f\u4e3a128\u4f4d\uff0c\u4e14\u7ec8\u7aef\u8282\u70b9\u591a\uff0c\u5bf9\u4e8e\u81ea\u52a8\u914d\u7f6e\u7684\u8981\u6c42\u66f4\u4e3a\u8feb\u5207\uff0c\u9664\u4fdd\u7559\u4e86DHCP\u4f5c\u4e3a\u6709\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u5916\uff0c\u8fd8\u589e\u52a0\u4e86\u65e0\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u3002\u65e0\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u5373\u81ea\u52a8\u751f\u6210\u94fe\u8def\u672c\u5730\u5730\u5740\uff0c\u4e3b\u673a\u6839\u636eRA\u62a5\u6587\u7684\u524d\u7f00\u4fe1\u606f\uff0c\u81ea\u52a8\u914d\u7f6e\u5168\u7403\u5355\u64ad\u5730\u5740\u7b49\uff0c\u5e76\u83b7\u5f97\u5176\u4ed6\u76f8\u5173\u4fe1\u606f\u3002<\/div>\n<div><\/div>\n<div>IPv6\u4e3b\u673a\u65e0\u72b6\u6001\u81ea\u52a8\u914d\u7f6e\u8fc7\u7a0b\uff1a<\/div>\n<ol>\n<li>\u6839\u636e\u63a5\u53e3\u6807\u8bc6\u4ea7\u751f\u94fe\u8def\u672c\u5730\u5730\u5740\u3002<\/li>\n<li>\u53d1\u51fa\u90bb\u5c45\u8bf7\u6c42\uff0c\u8fdb\u884c\u91cd\u590d\u5730\u5740\u68c0\u6d4b\u3002<\/li>\n<li>\u5982\u5730\u5740\u51b2\u7a81\uff0c\u5219\u505c\u6b62\u81ea\u52a8\u914d\u7f6e\uff0c\u9700\u8981\u624b\u5de5\u914d\u7f6e\u3002<\/li>\n<li>\u5982\u4e0d\u51b2\u7a81\uff0c\u94fe\u8def\u672c\u5730\u5730\u5740\u751f\u6548\uff0c\u8282\u70b9\u5177\u5907\u672c\u5730\u94fe\u8def\u901a\u4fe1\u80fd\u529b\u3002<\/li>\n<li>\u4e3b\u673a\u4f1a\u53d1\u9001RS\u62a5\u6587\uff08\u6216\u63a5\u6536\u5230\u8bbe\u5907\u5b9a\u671f\u53d1\u9001\u7684RA\u62a5\u6587\uff09\u3002<\/li>\n<li>\u6839\u636eRA\u62a5\u6587\u4e2d\u7684\u524d\u7f00\u4fe1\u606f\u548c\u63a5\u53e3\u6807\u8bc6\u5f97\u5230IPv6\u5730\u5740\u3002<\/li>\n<\/ol>\n<div><strong>\u9ed8\u8ba4\u8def\u7531\u5668\u4f18\u5148\u7ea7\u548c\u8def\u7531\u4fe1\u606f\u53d1\u73b0<\/strong><\/div>\n<div>\u5f53\u4e3b\u673a\u6240\u5728\u7684\u94fe\u8def\u4e2d\u5b58\u5728\u591a\u4e2a\u8bbe\u5907\u65f6\uff0c\u4e3b\u673a\u9700\u8981\u6839\u636e\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u9009\u62e9\u8f6c\u53d1\u8bbe\u5907\u3002\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u8bbe\u5907\u901a\u8fc7\u53d1\u5e03\u9ed8\u8ba4\u8def\u7531\u4f18\u5148\u7ea7\u548c\u7279\u5b9a\u8def\u7531\u4fe1\u606f\u7ed9\u4e3b\u673a\uff0c\u63d0\u9ad8\u4e3b\u673a\u6839\u636e\u4e0d\u540c\u7684\u76ee\u7684\u5730\u9009\u62e9\u5408\u9002\u7684\u8f6c\u53d1\u8bbe\u5907\u7684\u80fd\u529b\u3002<\/div>\n<div><\/div>\n<div>\u5728RA\u62a5\u6587\u4e2d\uff0c\u5b9a\u4e49\u4e86\u9ed8\u8ba4\u8def\u7531\u4f18\u5148\u7ea7\u548c\u8def\u7531\u4fe1\u606f\u4e24\u4e2a\u5b57\u6bb5\uff0c\u5e2e\u52a9\u4e3b\u673a\u5728\u53d1\u9001\u62a5\u6587\u65f6\u9009\u62e9\u5408\u9002\u7684\u8f6c\u53d1\u8bbe\u5907\u3002<\/div>\n<div><\/div>\n<div>\u4e3b\u673a\u6536\u5230\u5305\u542b\u8def\u7531\u4fe1\u606f\u7684RA\u62a5\u6587\u540e\uff0c\u4f1a\u66f4\u65b0\u81ea\u5df1\u7684\u8def\u7531\u8868\u3002\u5f53\u4e3b\u673a\u5411\u5176\u4ed6\u8bbe\u5907\u53d1\u9001\u62a5\u6587\u65f6\uff0c\u901a\u8fc7\u67e5\u8be2\u8be5\u5217\u8868\u7684\u8def\u7531\u4fe1\u606f\uff0c\u9009\u62e9\u5408\u9002\u7684\u8def\u7531\u53d1\u9001\u62a5\u6587\u3002<\/div>\n<div><\/div>\n<div>\u4e3b\u673a\u6536\u5230\u5305\u542b\u9ed8\u8ba4\u8bbe\u5907\u4f18\u5148\u7ea7\u4fe1\u606f\u7684RA\u62a5\u6587\u540e\uff0c\u4f1a\u66f4\u65b0\u81ea\u5df1\u7684\u9ed8\u8ba4\u8def\u7531\u5217\u8868\u3002\u5f53\u4e3b\u673a\u5411\u5176\u4ed6\u8bbe\u5907\u53d1\u9001\u62a5\u6587\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u8def\u7531\u53ef\u9009\uff0c\u5219\u9996\u5148\u67e5\u8be2\u8be5\u5217\u8868\uff0c\u7136\u540e\u9009\u62e9\u672c\u94fe\u8def\u5185\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u8bbe\u5907\u53d1\u9001\u62a5\u6587\uff1b\u5982\u679c\u8be5\u8bbe\u5907\u6545\u969c\uff0c\u4e3b\u673a\u6839\u636e\u4f18\u5148\u7ea7\u4ece\u9ad8\u5230\u4f4e\u7684\u987a\u5e8f\uff0c\u4f9d\u6b21\u9009\u62e9\u5176\u4ed6\u8bbe\u5907\u3002<\/div>\n<h4>\u91cd\u5b9a\u5411<\/h4>\n<div>\u5f53\u7f51\u5173\u8bbe\u5907\u53d1\u73b0\u62a5\u6587\u4ece\u5176\u5b83\u7f51\u5173\u8bbe\u5907\u8f6c\u53d1\u66f4\u597d\uff0c\u5b83\u5c31\u4f1a\u53d1\u9001\u91cd\u5b9a\u5411\u62a5\u6587\u544a\u77e5\u62a5\u6587\u7684\u53d1\u9001\u8005\uff0c\u8ba9\u62a5\u6587\u53d1\u9001\u8005\u9009\u62e9\u53e6\u4e00\u4e2a\u7f51\u5173\u8bbe\u5907\u3002\u91cd\u5b9a\u5411\u62a5\u6587\u4e5f\u627f\u8f7d\u5728ICMPv6\u62a5\u6587\u4e2d\uff0c\u5176Type\u5b57\u6bb5\u503c\u4e3a137\uff0c\u62a5\u6587\u4e2d\u4f1a\u643a\u5e26\u66f4\u597d\u7684\u8def\u5f84\u4e0b\u4e00\u8df3\u5730\u5740\u548c\u9700\u8981\u91cd\u5b9a\u5411\u8f6c\u53d1\u7684\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u7b49\u4fe1\u606f\u3002<\/div>\n<div><\/div>\n<div>\u5982\u56fe5\u4e3a\u4e00\u6b21\u91cd\u5b9a\u5411\u7684\u8fc7\u7a0b\uff1a<\/div>\n<div>\u56fe5 \u91cd\u5b9a\u5411\u793a\u4f8b<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-715\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-25.png\" alt=\"\" width=\"458\" height=\"404\" \/><\/div>\n<div>Host A\u9700\u8981\u548cHost B\u901a\u4fe1\uff0cHost A\u7684\u9ed8\u8ba4\u7f51\u5173\u8bbe\u5907\u662fSwitch A\uff0c\u5f53Host A\u53d1\u9001\u62a5\u6587\u7ed9Host B\u65f6\u62a5\u6587\u4f1a\u88ab\u9001\u5230Switch A\u3002Switch A\u63a5\u6536\u5230Host A\u53d1\u9001\u7684\u62a5\u6587\u4ee5\u540e\u4f1a\u53d1\u73b0\u5b9e\u9645\u4e0aHost A\u76f4\u63a5\u53d1\u9001\u7ed9Switch B\u66f4\u597d\uff0c\u5b83\u5c06\u53d1\u9001\u4e00\u4e2a\u91cd\u5b9a\u5411\u62a5\u6587\u7ed9\u4e3b\u673aA\uff0c\u5176\u4e2d\u62a5\u6587\u4e2d\u66f4\u597d\u7684\u8def\u5f84\u4e0b\u4e00\u8df3\u5730\u5740\u4e3aSwitch B\uff0cDestination Address\u4e3aHost B\u3002Host A\u63a5\u6536\u5230\u4e86\u91cd\u5b9a\u5411\u62a5\u6587\u4e4b\u540e\uff0c\u4f1a\u5728\u9ed8\u8ba4\u8def\u7531\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u4e3b\u673a\u8def\u7531\uff0c\u4ee5\u540e\u53d1\u5f80Host B\u7684\u62a5\u6587\u5c31\u76f4\u63a5\u53d1\u9001\u7ed9Switch B\u3002<\/div>\n<div><\/div>\n<div>\u5f53\u8bbe\u5907\u6536\u5230\u4e00\u4e2a\u62a5\u6587\u540e\uff0c\u53ea\u6709\u5728\u5982\u4e0b\u60c5\u51b5\u4e0b\uff0c\u8bbe\u5907\u4f1a\u5411\u62a5\u6587\u53d1\u9001\u8005\u53d1\u9001\u91cd\u5b9a\u5411\u62a5\u6587\uff1a<\/div>\n<ul>\n<li>\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u4e0d\u662f\u4e00\u4e2a\u7ec4\u64ad\u5730\u5740\u3002<\/li>\n<li>\u62a5\u6587\u5e76\u975e\u901a\u8fc7\u8def\u7531\u8f6c\u53d1\u7ed9\u8bbe\u5907\u3002<\/li>\n<li>\u7ecf\u8fc7\u8def\u7531\u8ba1\u7b97\u540e\uff0c\u8def\u7531\u7684\u4e0b\u4e00\u8df3\u51fa\u63a5\u53e3\u662f\u63a5\u6536\u62a5\u6587\u7684\u63a5\u53e3\u3002<\/li>\n<li>\u8bbe\u5907\u53d1\u73b0\u62a5\u6587\u7684\u6700\u4f73\u4e0b\u4e00\u8df3IP\u5730\u5740\u548c\u62a5\u6587\u7684\u6e90IP\u5730\u5740\u5904\u4e8e\u540c\u4e00\u7f51\u6bb5\u3002<\/li>\n<li>\u8bbe\u5907\u68c0\u67e5\u62a5\u6587\u7684\u6e90\u5730\u5740\uff0c\u53d1\u73b0\u81ea\u8eab\u7684\u90bb\u5c45\u8868\u9879\u4e2d\u6709\u7528\u8be5\u5730\u5740\u4f5c\u4e3a\u5168\u7403\u5355\u64ad\u5730\u5740\u6216\u94fe\u8def\u672c\u5730\u5730\u5740\u7684\u90bb\u5c45\u5b58\u5728\u3002<\/li>\n<\/ul>\n<div><\/div>\n<h2>DHCPv6\u548cSLAAC<\/h2>\n<div><\/div>\n<div><strong>DHCPv6 \u914d\u7f6e<\/strong><\/div>\n<div>\u00a0\u00a0 \u00a0\u7531\u4e8e\u6ca1\u6709\u5e7f\u64ad\u5730\u5740\uff0cDHCPv6 \u7684\u5de5\u4f5c\u539f\u7406\u4e0e\u9002\u7528\u4e8e IPv4 \u7684 DHCP \u7565\u6709\u4e0d\u540c\u3002\u57fa\u672c\u4e0a\uff0c\u4e3b\u673a\u5c06 DHCPv6 \u8bf7\u6c42\u4ece\u5176\u672c\u5730\u94fe\u63a5\u5730\u5740\u53d1\u9001\u5230 ff02::1:2 \u4e0a\u7684\u7aef\u53e3 547\/UDP\uff0c\u5373\u5168 dhcp \u670d\u52a1\u5668\u672c\u5730\u94fe\u63a5\u591a\u64ad\u7ec4\u3002\u7136\u540e DHCPv6 \u670d\u52a1\u5668\u901a\u5e38\u5411\u5ba2\u6237\u7aef\u7684\u672c\u5730\u94fe\u63a5\u5730\u5740\u4e0a\u7684\u7aef\u53e3 564\/UDP \u53d1\u9001\u4e00\u4e2a\u5305\u542b\u76f8\u5e94\u4fe1\u606f\u7684\u56de\u590d\u3002<\/div>\n<div>\u00a0\u00a0 \u00a0RHEL 7 \u4e2d\u7684 dhcp \u8f6f\u4ef6\u5305\u63d0\u4f9b\u4e86\u9488\u5bf9 DHCPv6 \u670d\u52a1\u5668\u7684\u652f\u6301\u3002<\/div>\n<div><\/div>\n<div><strong>SLAAC\u914d\u7f6e<\/strong><\/div>\n<div>\u00a0\u00a0 \u00a0\u9664\u4e86 DHCPv6 \u4e4b\u5916\uff0cIPv6 \u4e5f\u652f\u6301\u53e6\u5916\u4e00\u4e2a\u52a8\u6001\u914d\u7f6e\u65b9\u6cd5\uff0c\u79f0\u4e3a\u65e0\u72b6\u6001\u5730\u5740\u81ea\u52a8\u914d\u7f6e\uff08SLAAC\uff09\u3002\u4f7f\u7528 SLAAC\uff0c\u4e3b\u673a\u901a\u5e38\u4f7f\u7528\u672c\u5730\u94fe\u63a5 fe80::\/64 \u5730\u5740\u6765\u8c03\u51fa\u5176\u63a5\u53e3\u3002\u4e3b\u673a\u968f\u540e\u5411 ff02::2\uff08\u5373\uff0c\u5168\u8def\u7531\u5668\u672c\u5730\u94fe\u63a5\u591a\u7ec4\u64ad\uff09\u53d1\u9001\u4e00\u4e2a\u201c\u8def\u7531\u5668\u8bf7\u6c42\u201d\u3002\u672c\u5730\u94fe\u63a5\u4e0a\u7684 IPv6 \u8def\u7531\u5668\u4ee5\u7f51\u7edc\u524d\u7f00\u4ee5\u53ca\u5176\u4ed6\u53ef\u80fd\u7684\u4fe1\u606f\u6765\u54cd\u5e94\u4e3b\u673a\u7684\u672c\u5730\u94fe\u63a5\u5730\u5740\u3002\u4e3b\u673a\u968f\u540e\u5c06\u8be5\u7f51\u7edc\u524d\u7f00\u4e0e\u5176\u901a\u5e38\u6784\u5efa\u7684\u63a5\u53e3 ID\uff08\u6784\u5efa\u65b9\u5f0f\u4e0e\u672c\u5730\u94fe\u63a5\u5730\u5740\u76f8\u540c\uff09\u914d\u5408\u4f7f\u7528\u3002\u8def\u7531\u5668\u5b9a\u65f6\u53d1\u9001\u591a\u64ad\u66f4\u65b0\uff08\u201c\u8def\u7531\u5668\u8f6c\u53d1\u201d\uff09\u4ee5\u786e\u8ba4\u6216\u66f4\u65b0\u5176\u63d0\u4f9b\u7684\u4fe1\u606f\u3002<\/div>\n<div>\u00a0\u00a0 \u00a0EHEL 7 \u4e2d\u7684 radvd \u8f6f\u4ef6\u5305\u5141\u8bb8\u57fa\u4e8e RHEL \u7684 IPv6 \u8def\u7531\u5668\u901a\u8fc7\u8def\u7531\u5668\u64ad\u53d1\u6765\u63d0\u4f9b SLAAC\u3002<\/div>\n<div><\/div>\n<div><strong>\u91cd\u8981<\/strong><\/div>\n<div>\u00a0\u00a0 \u00a0\u914d\u7f6e\u4e3a\u901a\u8fc7 DHCP \u83b7\u53d6 IPv4 \u5730\u5740\u7684\u5178\u578b RHEL 7 \u8ba1\u7b97\u673a\u901a\u5e38\u8fd8\u914d\u7f6e\u4e3a\u4f7f\u7528 SLAAC \u6765\u83b7\u53d6 IPv6 \u5730\u5740\u3002\u5f53\u7f51\u7edc\u4e2d\u6dfb\u52a0\u4e86 IPv6 \u8def\u7531\u5668\u65f6\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u8ba1\u7b97\u673a\u610f\u5916\u83b7\u53d6 IPv6 \u5730\u5740\u3002\u90e8\u5206 IPv6 \u90e8\u7f72\u5c06 SLAAC \u4e0e DHCPv6 \u7ec4\u5408\uff0cSLAAC \u4ec5\u7528\u4e8e\u63d0\u4f9b\u7f51\u7edc\u5730\u5740\u4fe1\u606f\u3002\u800c DHCPv6 \u4ec5\u7528\u4e8e\u63d0\u4f9b\u5176\u4ed6\u4fe1\u606f\uff08\u5982\uff0c\u8981\u914d\u7f6e\u7684 DNS \u670d\u52a1\u5668\u548c\u641c\u7d22\u57df\uff09\u3002<\/div>\n<div><\/div>\n<h1>Path MTU<\/h1>\n<div>\u5728IPv4\u4e2d\uff0c\u62a5\u6587\u5982\u679c\u8fc7\u5927\uff0c\u5fc5\u987b\u8981\u5206\u7247\u8fdb\u884c\u53d1\u9001\uff0c\u6240\u4ee5\u5728\u6bcf\u4e2a\u8282\u70b9\u53d1\u9001\u62a5\u6587\u4e4b\u524d\uff0c\u8bbe\u5907\u90fd\u4f1a\u6839\u636e\u53d1\u9001\u63a5\u53e3\u7684\u6700\u5927\u4f20\u8f93\u5355\u5143MTU\uff08Maximum Transmission Unit\uff09\u6765\u5bf9\u62a5\u6587\u8fdb\u884c\u5206\u7247\u3002\u4f46\u662f\u5728IPv6\u4e2d\uff0c\u4e3a\u4e86\u51cf\u5c11\u4e2d\u95f4\u8f6c\u53d1\u8bbe\u5907\u7684\u5904\u7406\u538b\u529b\uff0c\u4e2d\u95f4\u8f6c\u53d1\u8bbe\u5907\u4e0d\u5bf9IPv6\u62a5\u6587\u8fdb\u884c\u5206\u7247\uff0c\u62a5\u6587\u7684\u5206\u7247\u5c06\u5728\u6e90\u8282\u70b9\u8fdb\u884c\u3002\u5f53\u4e2d\u95f4\u8f6c\u53d1\u8bbe\u5907\u7684\u63a5\u53e3\u6536\u5230\u4e00\u4e2a\u62a5\u6587\u540e\uff0c\u5982\u679c\u53d1\u73b0\u62a5\u6587\u957f\u5ea6\u6bd4\u8f6c\u53d1\u63a5\u53e3\u7684MTU\u503c\u5927\uff0c\u5219\u4f1a\u5c06\u5176\u4e22\u5f03\uff1b\u540c\u65f6\u5c06\u8f6c\u53d1\u63a5\u53e3\u7684MTU\u503c\u901a\u8fc7ICMPv6\u62a5\u6587\u7684\u201cPacket Too Big\u201d\u6d88\u606f\u53d1\u7ed9\u6e90\u7aef\u4e3b\u673a\uff0c\u6e90\u7aef\u4e3b\u673a\u4ee5\u8be5\u503c\u91cd\u65b0\u53d1\u9001IPv6\u62a5\u6587\uff0c\u8fd9\u6837\u5e26\u6765\u4e86\u989d\u5916\u6d41\u91cf\u5f00\u9500\u3002PMTU\u53d1\u73b0\u534f\u8bae\u53ef\u4ee5\u52a8\u6001\u53d1\u73b0\u6574\u6761\u4f20\u8f93\u8def\u5f84\u4e0a\u5404\u94fe\u8def\u7684MTU\u503c\uff0c\u51cf\u5c11\u7531\u4e8e\u91cd\u4f20\u5e26\u6765\u7684\u989d\u5916\u6d41\u91cf\u5f00\u9500\u3002<\/div>\n<div><\/div>\n<div>PMTU\u534f\u8bae\u662f\u901a\u8fc7ICMPv6\u7684Packet Too Big\u62a5\u6587\u6765\u5b8c\u6210\u7684\u3002\u9996\u5148\u6e90\u8282\u70b9\u5047\u8bbePMTU\u5c31\u662f\u5176\u51fa\u63a5\u53e3\u7684MTU\uff0c\u53d1\u51fa\u4e00\u4e2a\u8bd5\u63a2\u6027\u7684\u62a5\u6587\uff0c\u5f53\u8f6c\u53d1\u8def\u5f84\u4e0a\u5b58\u5728\u4e00\u4e2a\u5c0f\u4e8e\u5f53\u524d\u5047\u8bbe\u7684PMTU\u65f6\uff0c\u8f6c\u53d1\u8bbe\u5907\u5c31\u4f1a\u5411\u6e90\u8282\u70b9\u53d1\u9001Packet Too Big\u62a5\u6587\uff0c\u5e76\u4e14\u643a\u5e26\u81ea\u5df1\u7684MTU\u503c\uff0c\u6b64\u540e\u6e90\u8282\u70b9\u5c06PMTU\u7684\u5047\u8bbe\u503c\u66f4\u6539\u4e3a\u65b0\u6536\u5230\u7684MTU\u503c\u7ee7\u7eed\u53d1\u9001\u62a5\u6587\u3002\u5982\u6b64\u53cd\u590d\uff0c\u76f4\u5230\u62a5\u6587\u5230\u8fbe\u76ee\u7684\u5730\u4e4b\u540e\uff0c\u6e90\u8282\u70b9\u5c31\u80fd\u77e5\u9053\u5230\u8fbe\u76ee\u7684\u5730\u7684PMTU\u4e86\u3002<\/div>\n<div><\/div>\n<div>PMTU\u7684\u5de5\u4f5c\u8fc7\u7a0b\u5982\u56fe1\u6240\u793a\uff1a<\/div>\n<div>\u56fe1 PMTU\u539f\u7406<\/div>\n<div><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-716\" src=\"http:\/\/www.max-shu.com\/blog\/wp-content\/uploads\/2018\/03\/Image-26.png\" alt=\"\" width=\"486\" height=\"292\" \/><\/div>\n<div><\/div>\n<div>\u6574\u6761\u4f20\u8f93\u8def\u5f84\u9700\u8981\u901a\u8fc74\u6761\u94fe\u8def\uff0c\u6bcf\u6761\u94fe\u8def\u7684MTU\u5206\u522b\u662f1500\u30011500\u30011400\u30011300\uff0c\u5f53\u6e90\u8282\u70b9\u53d1\u9001\u4e00\u4e2a\u5206\u7247\u62a5\u6587\u7684\u65f6\u5019\uff0c\u9996\u5148\u6309\u7167PMTU\u4e3a1500\u8fdb\u884c\u5206\u7247\u5e76\u53d1\u9001\u5206\u7247\u62a5\u6587\uff0c\u5f53\u5230\u8fbeMTU\u4e3a1400\u7684\u51fa\u63a5\u53e3\u65f6\uff0c\u8bbe\u5907\u8fd4\u56dePacket Too Big\u9519\u8bef\uff0c\u540c\u65f6\u643a\u5e26MTU\u503c\u4e3a1400\u7684\u4fe1\u606f\u3002\u6e90\u8282\u70b9\u63a5\u6536\u5230\u4e4b\u540e\u4f1a\u5c06\u62a5\u6587\u91cd\u65b0\u6309\u7167PMTU\u4e3a1400\u8fdb\u884c\u5206\u7247\u5e76\u518d\u6b21\u53d1\u9001\u4e00\u4e2a\u5206\u7247\u62a5\u6587\uff0c\u5f53\u5206\u7247\u62a5\u6587\u5230\u8fbeMTU\u503c\u4e3a1300\u7684\u51fa\u63a5\u53e3\u65f6\uff0c\u540c\u6837\u8fd4\u56dePacket Too Big\u9519\u8bef\uff0c\u643a\u5e26MTU\u503c\u4e3a1300\u7684\u4fe1\u606f\u3002\u4e4b\u540e\u6e90\u8282\u70b9\u91cd\u65b0\u6309\u7167PMTU\u4e3a1300\u8fdb\u884c\u5206\u7247\u5e76\u53d1\u9001\u5206\u7247\u62a5\u6587\uff0c\u6700\u7ec8\u5230\u8fbe\u76ee\u7684\u5730\uff0c\u8fd9\u6837\u5c31\u627e\u5230\u4e86\u8be5\u8def\u5f84\u7684PMTU\u3002<\/div>\n<div>\u8bf4\u660e\uff1a<\/div>\n<div><\/div>\n<div>\u7531\u4e8eIPv6\u8981\u6c42\u94fe\u8def\u5c42\u6240\u652f\u6301\u7684\u6700\u5c0fMTU\u4e3a1280\uff0c\u6240\u4ee5PMTU\u7684\u503c\u5fc5\u987b\u5927\u4e8e1280\u3002\u5efa\u8bae\u60a8\u75281500\u4f5c\u4e3a\u94fe\u8def\u7684PMTU\u503c\u3002<\/div>\n<div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>IPv6\u5730\u5740 IPv6\u5730\u5740\u7684\u8868\u793a\u65b9\u6cd5 IPv6\u5730\u5740\u603b\u957f\u5ea6\u4e3a128\u6bd4\u7279\uff0c\u901a\u5e38\u5206\u4e3a8\u7ec4\uff0c\u6bcf\u7ec4\u4e3a4\u4e2a\u5341\u516d\u8fdb\u5236\u6570\u7684\u5f62\u5f0f &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[186],"tags":[537,540,546,91,533,109,536,539,543,538,544,534,545,542,378,110,313,535,541],"class_list":["post-699","post","type-post","status-publish","format-standard","hentry","category-186","tag-dhcpv6","tag-eui-64","tag-icmpv6","tag-ip","tag-ipv6","tag-mac","tag-ndp","tag-pmtu","tag-rfc7217","tag-slaac","tag-544","tag-534","tag-545","tag-542","tag-378","tag-110","tag-313","tag-535","tag-541"],"views":2987,"_links":{"self":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/699","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=699"}],"version-history":[{"count":3,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/699\/revisions"}],"predecessor-version":[{"id":717,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/699\/revisions\/717"}],"wp:attachment":[{"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=699"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=699"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.max-shu.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=699"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}