{"id":283,"date":"2022-10-30T17:41:43","date_gmt":"2022-10-30T09:41:43","guid":{"rendered":"https:\/\/blog.taiyang.space\/?p=283"},"modified":"2022-10-30T17:41:44","modified_gmt":"2022-10-30T09:41:44","slug":"nat%e7%ae%80%e8%bf%b0","status":"publish","type":"post","link":"https:\/\/blog.taiyang.space\/?p=283","title":{"rendered":"NAT\u7b80\u8ff0"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662fNAT<\/h2>\n<p>NAT\uff08Network Address Translation\uff09\u662f\u4e00\u79cd\u5730\u5740\u8f6c\u6362\u6280\u672f\uff0c\u5b83\u53ef\u4ee5\u5c06IP\u6570\u636e\u62a5\u6587\u5934\u4e2d\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2aIP\u5730\u5740\uff0c\u5e76\u901a\u8fc7\u8f6c\u6362\u7aef\u53e3\u53f7\u8fbe\u5230\u5730\u5740\u91cd\u7528\u7684\u76ee\u7684\u3002NAT\u4f5c\u4e3a\u4e00\u79cd\u7f13\u89e3IPv4\u516c\u7f51\u5730\u5740\u67af\u7aed\u7684\u8fc7\u6e21\u6280\u672f\uff0c\u7531\u4e8e\u5b9e\u73b0\u7b80\u5355\uff0c\u5f97\u5230\u4e86\u5e7f\u6cdb\u5e94\u7528\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>NAT\u89e3\u51b3\u4e86\u4ec0\u4e48\u95ee\u9898<\/h2>\n<p>\u968f\u7740\u7f51\u7edc\u5e94\u7528\u7684\u589e\u591a\uff0cIPv4\u5730\u5740\u67af\u7aed\u7684\u95ee\u9898\u8d8a\u6765\u8d8a\u4e25\u91cd\u3002\u5c3d\u7ba1IPv6\u53ef\u4ee5\u4ece\u6839\u672c\u4e0a\u89e3\u51b3IPv4\u5730\u5740\u7a7a\u95f4\u4e0d\u8db3\u95ee\u9898\uff0c\u4f46\u76ee\u524d\u4f17\u591a\u7f51\u7edc\u8bbe\u5907\u548c\u7f51\u7edc\u5e94\u7528\u5927\u591a\u662f\u57fa\u4e8eIPv4\u7684\uff0c\u56e0\u6b64\u5728IPv6\u5e7f\u6cdb\u5e94\u7528\u4e4b\u524d\uff0c\u4f7f\u7528\u4e00\u4e9b\u8fc7\u6e21\u6280\u672f\uff08\u5982CIDR\u3001\u79c1\u7f51\u5730\u5740\u7b49\uff09\u662f\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u4e3b\u8981\u65b9\u5f0f\uff0cNAT\u5c31\u662f\u8fd9\u4f17\u591a\u8fc7\u6e21\u6280\u672f\u4e2d\u7684\u4e00\u79cd\u3002<\/p>\n<p>\u5f53\u79c1\u7f51\u7528\u6237\u8bbf\u95ee\u516c\u7f51\u7684\u62a5\u6587\u5230\u8fbe\u7f51\u5173\u8bbe\u5907\u540e\uff0c\u5982\u679c\u7f51\u5173\u8bbe\u5907\u4e0a\u90e8\u7f72\u4e86NAT\u529f\u80fd\uff0c\u8bbe\u5907\u4f1a\u5c06\u6536\u5230\u7684IP\u6570\u636e\u62a5\u6587\u5934\u4e2d\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2aIP\u5730\u5740\uff0c\u7aef\u53e3\u53f7\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7aef\u53e3\u53f7\u4e4b\u540e\u8f6c\u53d1\u7ed9\u516c\u7f51\u3002\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u8bbe\u5907\u53ef\u4ee5\u7528\u540c\u4e00\u4e2a\u516c\u7f51\u5730\u5740\u6765\u8f6c\u6362\u591a\u4e2a\u79c1\u7f51\u7528\u6237\u53d1\u8fc7\u6765\u7684\u62a5\u6587\uff0c\u5e76\u901a\u8fc7\u7aef\u53e3\u53f7\u6765\u533a\u5206\u4e0d\u540c\u7684\u79c1\u7f51\u7528\u6237\uff0c\u4ece\u800c\u8fbe\u5230\u5730\u5740\u590d\u7528\u7684\u76ee\u7684\u3002<\/p>\n<p>\u65e9\u671f\u7684NAT\u662f\u6307Basic NAT\uff0cBasic NAT\u5728\u6280\u672f\u4e0a\u5b9e\u73b0\u6bd4\u8f83\u7b80\u5355\uff0c\u53ea\u652f\u6301\u5730\u5740\u8f6c\u6362\uff0c\u4e0d\u652f\u6301\u7aef\u53e3\u8f6c\u6362\u3002\u56e0\u6b64\uff0cBasic NAT\u53ea\u80fd\u89e3\u51b3\u79c1\u7f51\u4e3b\u673a\u8bbf\u95ee\u516c\u7f51\u95ee\u9898\uff0c\u65e0\u6cd5\u89e3\u51b3IPv4\u5730\u5740\u77ed\u7f3a\u95ee\u9898\u3002\u540e\u671f\u7684NAT\u4e3b\u8981\u662f\u6307\u7f51\u7edc\u5730\u5740\u7aef\u53e3\u8f6c\u6362NAPT\uff08Network Address Port Translation\uff09\uff0c<strong>NAPT\u65e2\u652f\u6301\u5730\u5740\u8f6c\u6362\u4e5f\u652f\u6301\u7aef\u53e3\u8f6c\u6362\uff0c\u5141\u8bb8\u591a\u53f0\u79c1\u7f51\u4e3b\u673a\u5171\u4eab\u4e00\u4e2a\u516c\u7f51IP\u5730\u5740\u8bbf\u95ee\u516c\u7f51\uff0c\u56e0\u6b64NAPT\u624d\u53ef\u4ee5\u771f\u6b63\u6539\u5584IP\u5730\u5740\u77ed\u7f3a\u95ee\u9898\u3002<\/strong><\/p>\n<p>&nbsp;<\/p>\n<h2>NAT\u7684\u7c7b\u578b<\/h2>\n<p>\u6839\u636eNAT\u8f6c\u6362\u662f\u5bf9\u62a5\u6587\u4e2d\u7684\u6e90\u5730\u5740\u8fdb\u884c\u8f6c\u6362\u8fd8\u662f\u5bf9\u76ee\u7684\u5730\u5740\u8fdb\u884c\u8f6c\u6362\uff0cNAT\u53ef\u4ee5\u5206\u4e3a\u6e90NAT\u3001\u76ee\u7684NAT\u548c\u53cc\u5411NAT\uff0c\u4e0b\u9762\u6211\u4eec\u5206\u522b\u4ecb\u7ecd\u8fd9\u4e09\u79cdNAT\u7c7b\u578b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u6e90NAT<\/h3>\n<p>\u6e90NAT\u5728NAT\u8f6c\u6362\u65f6\uff0c<strong>\u4ec5\u5bf9\u62a5\u6587\u4e2d\u7684\u6e90\u5730\u5740\u8fdb\u884c\u8f6c\u6362<\/strong>\uff0c\u4e3b\u8981\u5e94\u7528\u4e8e\u79c1\u7f51\u7528\u6237\u8bbf\u95ee\u516c\u7f51\u7684\u573a\u666f\u3002\u5f53\u79c1\u7f51\u7528\u6237\u4e3b\u673a\u8bbf\u95eeInternet\u65f6\uff0c\u79c1\u7f51\u7528\u6237\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u5230\u8fbeNAT\u8bbe\u5907\u540e\uff0c\u8bbe\u5907\u901a\u8fc7\u6e90NAT\u6280\u672f\u5c06\u62a5\u6587\u4e2d\u7684\u79c1\u7f51IPv4\u5730\u5740\u8f6c\u6362\u6210\u516c\u7f51IPv4\u5730\u5740\uff0c\u4ece\u800c\u4f7f\u79c1\u7f51\u7528\u6237\u53ef\u4ee5\u6b63\u5e38\u8bbf\u95eeInternet\u3002<\/p>\n<p>\u6839\u636e\u8f6c\u6362\u65f6\u662f\u5426\u540c\u65f6\u8f6c\u6362\u6e90\u7aef\u53e3\u53f7\uff0c\u6e90NAT\u53ef\u4ee5\u7ec6\u5206\u4e3a\u5982\u4e0b\u51e0\u79cd\u7c7b\u578b\uff0c\u8be6\u89c1\u4e0b\u56fe\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301733576.png\" referrerpolicy=\"no-referrer\" alt=\"1667097484753-fb2c6b32-9184-4035-8235-376f97cf1769\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u76ee\u7684NAT<\/h3>\n<p>\u76ee\u7684NAT\u5728NAT\u8f6c\u6362\u65f6\uff0c\u4ec5\u5bf9\u62a5\u6587\u4e2d\u7684\u76ee\u7684\u5730\u5740\u548c\u76ee\u7684\u7aef\u53e3\u53f7\u8fdb\u884c\u8f6c\u6362\uff0c<strong>\u4e3b\u8981\u5e94\u7528\u4e8e\u516c\u7f51\u7528\u6237\u8bbf\u95ee\u79c1\u7f51\u670d\u52a1\u7684\u573a\u666f<\/strong>\u3002\u5f53\u516c\u7f51\u7528\u6237\u4e3b\u673a\u53d1\u9001\u7684\u62a5\u6587\u5230\u8fbeNAT\u8bbe\u5907\u540e\uff0c\u8bbe\u5907\u901a\u8fc7\u76ee\u7684NAT\u6280\u672f\u5c06\u62a5\u6587\u4e2d\u7684\u516c\u7f51IPv4\u5730\u5740\u8f6c\u6362\u6210\u79c1\u7f51IPv4\u5730\u5740\uff0c\u4ece\u800c\u4f7f\u516c\u7f51\u7528\u6237\u53ef\u4ee5\u4f7f\u7528\u516c\u7f51\u5730\u5740\u8bbf\u95ee\u79c1\u7f51\u670d\u52a1\u3002<\/p>\n<p>\u6839\u636e\u8f6c\u6362\u524d\u540e\u7684\u5730\u5740\u662f\u5426\u5b58\u5728\u4e00\u79cd\u56fa\u5b9a\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u76ee\u7684NAT\u53ef\u4ee5\u7ec6\u5206\u4e3a\u5982\u4e0b\u51e0\u79cd\u7c7b\u578b\uff0c\u8be6\u89c1\u4e0b\u56fe\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301733943.png\" referrerpolicy=\"no-referrer\" alt=\"1667097542009-15491000-6322-4bbd-a019-b23175afe436\"><\/p>\n<p>&nbsp;<\/p>\n<h3>\u53cc\u5411NAT<\/h3>\n<p>\u53cc\u5411NAT\u6307\u7684\u662f\u5728\u8f6c\u6362\u8fc7\u7a0b\u4e2d\u540c\u65f6\u8f6c\u6362\u62a5\u6587\u7684\u6e90\u4fe1\u606f\u548c\u76ee\u7684\u4fe1\u606f\u3002\u53cc\u5411NAT\u4e0d\u662f\u4e00\u4e2a\u5355\u72ec\u7684\u529f\u80fd\uff0c\u800c\u662f\u6e90NAT\u548c\u76ee\u7684NAT\u7684\u7ec4\u5408\u3002\u53cc\u5411NAT\u662f\u9488\u5bf9\u540c\u4e00\u6761\u6d41\uff0c\u5728\u5176\u7ecf\u8fc7\u8bbe\u5907\u65f6\u540c\u65f6\u8f6c\u6362\u62a5\u6587\u7684\u6e90\u5730\u5740\u548c\u76ee\u7684\u5730\u5740\u3002\u53cc\u5411NAT\u4e3b\u8981\u5e94\u7528\u5728\u540c\u65f6\u6709\u5916\u7f51\u7528\u6237\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\u548c\u79c1\u7f51\u7528\u6237\u8bbf\u95ee\u5185\u90e8\u670d\u52a1\u5668\u7684\u573a\u666f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>NAT\u662f\u5982\u4f55\u5de5\u4f5c\u7684<\/h2>\n<p>\u6839\u636e\u524d\u9762\u7684\u5206\u7c7b\uff0c\u6211\u4eec\u5206\u522b\u4ece\u6e90NAT\u548c\u76ee\u7684NAT\u4e2d\u5404\u9009\u4e00\u79cdNAT\u4e3a\u4ee3\u8868\uff0c\u4ecb\u7ecd\u5176\u5de5\u4f5c\u539f\u7406\u3002\u5176\u4ed6\u7c7b\u578b\u7684NAT\u867d\u7136\u5728\u8f6c\u6362\u65f6\uff0c\u8f6c\u6362\u7684\u5185\u5bb9\u6709\u7ec6\u5fae\u5dee\u522b\uff0c\u4f46\u662f\u5de5\u4f5c\u539f\u7406\u90fd\u76f8\u4f3c\uff0c\u4e0d\u518d\u91cd\u590d\u4ecb\u7ecd\u3002\u6b64\u5916\uff0c\u53cc\u5411NAT\u662f\u6e90NAT\u548c\u76ee\u7684NAT\u7684\u7ec4\u5408\uff0c\u53cc\u5411NAT\u7684\u5de5\u4f5c\u539f\u7406\u4e5f\u4e0d\u518d\u91cd\u590d\u4ecb\u7ecd\u3002<\/p>\n<h3>NAPT\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>NAPT\u5728\u8fdb\u884c\u5730\u5740\u8f6c\u6362\u7684\u540c\u65f6\u8fd8\u8fdb\u884c\u7aef\u53e3\u8f6c\u6362\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u4e2a\u79c1\u7f51\u7528\u6237\u5171\u540c\u4f7f\u7528\u4e00\u4e2a\u516c\u7f51IP\u5730\u5740\u4e0a\u7f51\u3002NAPT\u6839\u636e\u7aef\u53e3\u6765\u533a\u5206\u4e0d\u540c\u7528\u6237\uff0c\u771f\u6b63\u505a\u5230\u4e86\u5730\u5740\u590d\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301733570.png\" referrerpolicy=\"no-referrer\" alt=\"1667097960624-cf2b0b8a-c76a-44c6-9bc5-36a55ee7db9f\"><\/p>\n<p>\u5f53Host\u8bbf\u95eeWeb Server\u65f6\uff0c\u8bbe\u5907\u7684\u5904\u7406\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u8bbe\u5907\u6536\u5230Host\u53d1\u9001\u7684\u62a5\u6587\u540e\u67e5\u627eNAT\u7b56\u7565\uff0c\u53d1\u73b0\u9700\u8981\u5bf9\u62a5\u6587\u8fdb\u884c\u5730\u5740\u8f6c\u6362\u3002<\/li>\n<li>\u8bbe\u5907\u6839\u636e\u6e90IP Hash\u7b97\u6cd5\u4eceNAT\u5730\u5740\u6c60\u4e2d\u9009\u62e9\u4e00\u4e2a\u516c\u7f51IP\u5730\u5740\uff0c\u66ff\u6362\u62a5\u6587\u7684\u6e90IP\u5730\u5740\uff0c\u540c\u65f6\u4f7f\u7528\u65b0\u7684\u7aef\u53e3\u53f7\u66ff\u6362\u62a5\u6587\u7684\u6e90\u7aef\u53e3\u53f7\uff0c\u5e76\u5efa\u7acb\u4f1a\u8bdd\u8868\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3Internet\u3002<\/li>\n<li>\u8bbe\u5907\u6536\u5230Web Server\u54cd\u5e94Host\u7684\u62a5\u6587\u540e\uff0c\u901a\u8fc7\u67e5\u627e\u4f1a\u8bdd\u8868\u5339\u914d\u5230\u6b65\u9aa42\u4e2d\u5efa\u7acb\u7684\u8868\u9879\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u7684\u5730\u5740\u66ff\u6362\u4e3aHost\u7684IP\u5730\u5740\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u7684\u7aef\u53e3\u53f7\u66ff\u6362\u4e3a\u539f\u59cb\u7684\u7aef\u53e3\u53f7\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3Intranet\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3>NAT Server\u5de5\u4f5c\u539f\u7406<\/h3>\n<p>\u4f7f\u7528NAT Server\u65f6\uff0c\u9700\u8981\u5148\u5728\u8bbe\u5907\u4e0a\u914d\u7f6e\u516c\u7f51\u5730\u5740\u548c\u79c1\u7f51\u5730\u5740\u7684\u56fa\u5b9a\u6620\u5c04\u5173\u7cfb\u3002\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u8bbe\u5907\u5c06\u4f1a\u751f\u6210Server-Map\u8868\u9879\uff0c\u5b58\u653e\u516c\u7f51\u5730\u5740\u548c\u79c1\u7f51\u5730\u5740\u7684\u6620\u5c04\u5173\u7cfb\u3002\u8be5\u8868\u9879\u5c06\u4e00\u76f4\u5b58\u5728\u9664\u975eNAT Server\u7684\u914d\u7f6e\u88ab\u5220\u9664\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301734526.png\" referrerpolicy=\"no-referrer\" alt=\"1667097998603-3b1e502a-9cb4-4dd3-94ec-42aa7ece0436\"><\/p>\n<p>\u5185\u90e8Server\u7684\u79c1\u7f51IPv4\u5730\u5740\u4e3a192.168.1.2\/24\uff0c\u5bf9\u5916\u7684\u516c\u7f51IPv4\u5730\u5740\u4e3a1.1.1.10\uff0c\u7aef\u53e3\u53f7\u90fd\u4e3a80\uff0c\u5b83\u4eec\u4e4b\u95f4\u7684\u6620\u5c04\u5173\u7cfb\u5728\u8bbe\u5907\u4e0a\u5df2\u63d0\u524d\u914d\u7f6e\u597d\u3002\u5f53Host\u8bbf\u95eeServer\u65f6\uff0c\u8bbe\u5907\u7684\u5904\u7406\u8fc7\u7a0b\u5982\u4e0b\uff1a<\/p>\n<ol>\n<li>\u8bbe\u5907\u6536\u5230Internet\u4e0a\u7528\u6237\u8bbf\u95ee1.1.1.10\u7684\u62a5\u6587\u7684\u9996\u5305\u540e\uff0c\u67e5\u627e\u5e76\u5339\u914d\u5230Server-Map\u8868\u9879\uff0c\u5c06\u62a5\u6587\u7684\u76ee\u7684IP\u5730\u5740\u8f6c\u6362\u4e3a192.168.1.2\u3002<\/li>\n<li>\u8bbe\u5907\u5efa\u7acb\u4f1a\u8bdd\u8868\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3Intranet\u3002<\/li>\n<li>\u8bbe\u5907\u6536\u5230Server\u54cd\u5e94Host\u7684\u62a5\u6587\u540e\uff0c\u901a\u8fc7\u67e5\u627e\u4f1a\u8bdd\u8868\u5339\u914d\u5230\u6b65\u9aa42\u4e2d\u5efa\u7acb\u7684\u8868\u9879\uff0c\u5c06\u62a5\u6587\u7684\u6e90\u5730\u5740\u66ff\u6362\u4e3a1.1.1.10\uff0c\u7136\u540e\u5c06\u62a5\u6587\u53d1\u9001\u81f3Internet\u3002<\/li>\n<li>\u540e\u7eedHost\u7ee7\u7eed\u53d1\u9001\u7ed9Server\u7684\u62a5\u6587\uff0c\u8bbe\u5907\u90fd\u4f1a\u76f4\u63a5\u6839\u636e\u4f1a\u8bdd\u8868\u9879\u7684\u8bb0\u5f55\u5bf9\u5176\u8fdb\u884c\u8f6c\u6362\uff0c\u800c\u4e0d\u4f1a\u518d\u53bb\u67e5\u627eServer-map\u8868\u9879\u3002<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2>\u5b9e\u9a8c<\/h2>\n<p>\u8fd8\u662f\u8001\u6837\u5b50\u5148\u5949\u4e0a\u5b8c\u6574\u62d3\u6251\uff08\u5df2\u914d\u7f6e\u597d\uff09<a href=\"https:\/\/resource.chentaiyang.space\/ensp-NAT.zip\">\u6233\u6211\ud83c\udf39<\/a><\/p>\n<h3>\u62d3\u6251\u56fe<\/h3>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301734677.png\" referrerpolicy=\"no-referrer\" alt=\"1667099057493-495c84fb-c8c3-4b52-b819-dae3625ea948\"><\/p>\n<p>\u6982\u8ff0<\/p>\n<ul>\n<li>\u4eba\u4e8b\u90e8\u6240\u5728\u7f51\u7edc\u4f7f\u7528NAT No-PAT  \u5730\u5740\u6c60\uff1a10.1.1.50&#8212;10.1.1.100<\/li>\n<li>\u8d22\u52a1\u90e8\u6240\u5728\u7f51\u7edc\u4f7f\u7528NAPT               \u5730\u5740\u6c60\uff1a10.1.1.110&#8212;10.1.1.160<\/li>\n<li>\u7814\u53d1\u90e8\u6240\u5728\u7f51\u7edc\u4f7f\u7528Easy IP             \u5171\u7528\u51fa\u53e3\u5730\u5740\u5373AR3\u7684g0\/0\/1\u53e3<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>\u914d\u7f6e\u547d\u4ee4<\/h3>\n<p>AR1\u4e0a\uff1a<\/p>\n<pre><code>\/\/ \u521b\u5efanat\u5730\u5740\u6c60\nnat address-group 1 10.1.1.50 10.1.1.100\n\n\/\/ \u521b\u5efa\u9ad8\u7ea7ACL\uff08\u7528\u4f4e\u7ea7ACL\u4e5f\u53ef\u4ee5\uff09\nacl 3000\nrule permit ip source 192.168.10.0 0.0.0.255\n\n\/\/ \u5728\u51fa\u63a5\u53e3\u4e0a\u4f7f\u7528\nint g0\/0\/1\nnat outbound 3000 address-group 1 no-pat  \/\/ \u914d\u7f6eNAT No-PAT\n<\/code><\/pre>\n<p>\u4e0d\u6e05\u695a\u4ec0\u4e48\u662fACL\u7684\u53ef\u4ee5\u770b\u6211\u8fd9\u7bc7\u6587\u7ae0  <a href=\"https:\/\/blog.taiyang.space\/?p=280\" target=\"_blank\" rel=\"noopener\">\u6233\u6211\ud83c\udf39<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>AR2\u4e0a\uff1a<\/p>\n<pre><code>\/\/ \u521b\u5efanat\u5730\u5740\u6c60\nnat address-group 1 10.1.1.110 10.1.1.160\n\n\/\/ \u521b\u5efa\u9ad8\u7ea7ACL\uff08\u7528\u4f4e\u7ea7ACL\u4e5f\u53ef\u4ee5\uff09\nacl 3000\nrule permit ip source 192.168.20.0 0.0.0.255\n\n\/\/ \u5728\u51fa\u63a5\u53e3\u4e0a\u4f7f\u7528\nint g0\/0\/2\nnat outbound 3000 address-group 1   \/\/ \u914d\u7f6eNPAT\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>AR3\u4e0a\uff1a<\/p>\n<pre><code>\/\/ \u521b\u5efa\u9ad8\u7ea7ACL\uff08\u7528\u4f4e\u7ea7\u7684\u4e5f\u53ef\u4ee5\uff09\nacl 3000\nrule permit ip source 192.168.30.0 0.0.0.255\n\n\/\/ \u5728\u51fa\u63a5\u53e3\u4e0a\u4f7f\u7528\nint g0\/0\/1\nnat outbound 3000  \/\/ Easy IP\n<\/code><\/pre>\n<p>&nbsp;<\/p>\n<h3>\u6d4b\u8bd5<\/h3>\n<p>\u9996\u5148\u4f7f\u7528 <code>display nat outbound<\/code> \u67e5\u770b\u5404\u8def\u7531\u5668NAT\u6a21\u5f0f\u662f\u5426\u6b63\u786e<\/p>\n<p>AR1<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301736018.png\" referrerpolicy=\"no-referrer\" alt=\"1667099983590-66f2149d-2945-4c37-898d-4c35bb6a5914\"><\/p>\n<p>&nbsp;<\/p>\n<p>AR2<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301737641.png\" referrerpolicy=\"no-referrer\" alt=\"1667100014509-6b8a7330-7237-408a-a325-b22d0f42e486\"><\/p>\n<p>&nbsp;<\/p>\n<p>AR3<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301737302.png\" referrerpolicy=\"no-referrer\" alt=\"1667100081368-af009d4c-d412-46ea-ada0-df848c0d4216\"><\/p>\n<p>&nbsp;<\/p>\n<p>\u4e0b\u9762\u4f7f\u7528pc\u673a ping AR5 \u5e76\u4f7f\u7528 display nat session all \u67e5\u770b\u5730\u5740\u8f6c\u6362\u60c5\u51b5\uff08\u6216\u8005\u4f7f\u7528\u6293\u5305\u5de5\u5177\uff09<\/p>\n<p>pc1 ping AR5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301737364.png\" referrerpolicy=\"no-referrer\" alt=\"1667100614461-d5c9ccae-7163-4304-ac52-42208ab52c24\"><\/p>\n<p>\u5730\u5740\u8f6c\u6362\u60c5\u51b5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301737993.png\" referrerpolicy=\"no-referrer\" alt=\"1667100712326-97e9def4-5d80-4a12-b23b-42a7050a6f2d\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u8f6c\u6362\u540e\u7684\u5730\u5740\u662f\u6211\u4eec\u5730\u5740\u6c60\u4e2d\u7684\u5730\u5740\uff0c\u5e76\u4e14\u6bcfping\u4e00\u6b21\u5c31\u4f1a\u6362\u4e00\u4e2a\u5730\u5740\uff08\u6211ping\u4e862\u6b21\uff09<\/p>\n<p>&nbsp;<\/p>\n<p>pc3 ping AR5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301737051.png\" referrerpolicy=\"no-referrer\" alt=\"1667101378678-7d717ab5-bf0d-472f-b606-69e1d39e392e\"><\/p>\n<p>\u5730\u5740\u8f6c\u6362\u60c5\u51b5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301738062.png\" referrerpolicy=\"no-referrer\" alt=\"1667101512001-59f25589-0fdc-4bcb-9a83-6f235bde03d8\"><\/p>\n<p>\u8fd9\u91cc\u6211ping\u4e86\u4e24\u6b21\uff0c\u53ef\u4ee5\u770b\u5230\u8f6c\u6362\u540e\u662f\u4e00\u4e2a\u5730\u5740\uff0c\u4f46\u662fIcmpId\u4e0d\u4e00\u6837<\/p>\n<p>&nbsp;<\/p>\n<p>pc5 ping AR5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301738650.png\" referrerpolicy=\"no-referrer\" alt=\"1667101716112-9f7848ca-fe5e-4c1d-b58a-3df49582da39\"><\/p>\n<p>\u5730\u5740\u8f6c\u6362\u60c5\u51b5<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/picture.chentaiyang.space\/PicGo202210301738987.png\" referrerpolicy=\"no-referrer\" alt=\"1667101700151-bf693e3c-2756-4b17-b735-2843301da761\"><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\u5c06\u5730\u5740\u8f6c\u6362\u4e3a\u51fa\u53e3\u5730\u5740\u5373AR3\u7684g0\/0\/1\u53e3\uff0810.1.1.3\uff09<\/p>\n<p>&nbsp;<\/p>\n<p>\u672c\u6587\u5b8c<\/p>\n<p>\u656c\u7231\u4e0e\u660e\u5929\ud83c\udf39<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u8ff0\u4ec0\u4e48\u662fNAT\u534f\u8bae\u9644\u5e26ensp\u6a21\u62df\u5b9e\u9a8c<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80],"tags":[81,62,36],"class_list":["post-283","post","type-post","status-publish","format-standard","hentry","category-huawei","tag-ensp","tag-62","tag-36"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.taiyang.space\/?p=283\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0\" \/>\n<meta property=\"og:description\" content=\"\u7b80\u8ff0\u4ec0\u4e48\u662fNAT\u534f\u8bae\u9644\u5e26ensp\u6a21\u62df\u5b9e\u9a8c\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.taiyang.space\/?p=283\" \/>\n<meta property=\"og:site_name\" content=\"#\u762b\u7537\u65e5\u8bb0\" \/>\n<meta property=\"article:published_time\" content=\"2022-10-30T09:41:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-10-30T09:41:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/picture.chentaiyang.space\/PicGo202210301733576.png\" \/>\n<meta name=\"author\" content=\"taiyang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"taiyang\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=283#article\",\"isPartOf\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=283\"},\"author\":{\"name\":\"taiyang\",\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"headline\":\"NAT\u7b80\u8ff0\",\"datePublished\":\"2022-10-30T09:41:43+00:00\",\"dateModified\":\"2022-10-30T09:41:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=283\"},\"wordCount\":182,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"keywords\":[\"ensp\",\"\u6570\u901a\",\"\u8ba1\u7f51\"],\"articleSection\":[\"Huawei\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/blog.taiyang.space\/?p=283#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=283\",\"url\":\"https:\/\/blog.taiyang.space\/?p=283\",\"name\":\"NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0\",\"isPartOf\":{\"@id\":\"https:\/\/blog.taiyang.space\/#website\"},\"datePublished\":\"2022-10-30T09:41:43+00:00\",\"dateModified\":\"2022-10-30T09:41:44+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/blog.taiyang.space\/?p=283#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.taiyang.space\/?p=283\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.taiyang.space\/?p=283#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/blog.taiyang.space\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NAT\u7b80\u8ff0\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.taiyang.space\/#website\",\"url\":\"https:\/\/blog.taiyang.space\/\",\"name\":\"#\u762b\u7537\u65e5\u8bb0\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.taiyang.space\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"zh-Hans\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c\",\"name\":\"taiyang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg\",\"contentUrl\":\"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg\",\"width\":612,\"height\":640,\"caption\":\"taiyang\"},\"logo\":{\"@id\":\"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/\"},\"sameAs\":[\"https:\/\/blog.taiyang.space\"],\"url\":\"https:\/\/blog.taiyang.space\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/blog.taiyang.space\/?p=283","og_locale":"zh_CN","og_type":"article","og_title":"NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0","og_description":"\u7b80\u8ff0\u4ec0\u4e48\u662fNAT\u534f\u8bae\u9644\u5e26ensp\u6a21\u62df\u5b9e\u9a8c","og_url":"https:\/\/blog.taiyang.space\/?p=283","og_site_name":"#\u762b\u7537\u65e5\u8bb0","article_published_time":"2022-10-30T09:41:43+00:00","article_modified_time":"2022-10-30T09:41:44+00:00","og_image":[{"url":"https:\/\/picture.chentaiyang.space\/PicGo202210301733576.png"}],"author":"taiyang","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"taiyang","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"1 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/blog.taiyang.space\/?p=283#article","isPartOf":{"@id":"https:\/\/blog.taiyang.space\/?p=283"},"author":{"name":"taiyang","@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"headline":"NAT\u7b80\u8ff0","datePublished":"2022-10-30T09:41:43+00:00","dateModified":"2022-10-30T09:41:44+00:00","mainEntityOfPage":{"@id":"https:\/\/blog.taiyang.space\/?p=283"},"wordCount":182,"commentCount":1,"publisher":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"keywords":["ensp","\u6570\u901a","\u8ba1\u7f51"],"articleSection":["Huawei"],"inLanguage":"zh-Hans","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/blog.taiyang.space\/?p=283#respond"]}]},{"@type":"WebPage","@id":"https:\/\/blog.taiyang.space\/?p=283","url":"https:\/\/blog.taiyang.space\/?p=283","name":"NAT\u7b80\u8ff0 - #\u762b\u7537\u65e5\u8bb0","isPartOf":{"@id":"https:\/\/blog.taiyang.space\/#website"},"datePublished":"2022-10-30T09:41:43+00:00","dateModified":"2022-10-30T09:41:44+00:00","breadcrumb":{"@id":"https:\/\/blog.taiyang.space\/?p=283#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.taiyang.space\/?p=283"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/blog.taiyang.space\/?p=283#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/blog.taiyang.space\/"},{"@type":"ListItem","position":2,"name":"NAT\u7b80\u8ff0"}]},{"@type":"WebSite","@id":"https:\/\/blog.taiyang.space\/#website","url":"https:\/\/blog.taiyang.space\/","name":"#\u762b\u7537\u65e5\u8bb0","description":"","publisher":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.taiyang.space\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"zh-Hans"},{"@type":["Person","Organization"],"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/5e3b9567310d4c4a328573992325178c","name":"taiyang","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/","url":"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg","contentUrl":"https:\/\/blog.taiyang.space\/wp-content\/uploads\/2022\/10\/touxiang.jpg","width":612,"height":640,"caption":"taiyang"},"logo":{"@id":"https:\/\/blog.taiyang.space\/#\/schema\/person\/image\/"},"sameAs":["https:\/\/blog.taiyang.space"],"url":"https:\/\/blog.taiyang.space\/?author=1"}]}},"_links":{"self":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/283","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=283"}],"version-history":[{"count":1,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions"}],"predecessor-version":[{"id":284,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=\/wp\/v2\/posts\/283\/revisions\/284"}],"wp:attachment":[{"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=283"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=283"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.taiyang.space\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=283"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}