{"id":1301,"date":"2025-05-13T14:07:58","date_gmt":"2025-05-13T06:07:58","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=1301"},"modified":"2025-05-13T16:54:31","modified_gmt":"2025-05-13T08:54:31","slug":"aws-vpc-internet-gateway-and-nat","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/zh_hk\/aws-vpc-internet-gateway-and-nat\/","title":{"rendered":"AWS NAT Gateway \u8207Internet Gateway \u5168\u89e3\u6790\uff1a\u5efa\u7f6e\u9ad8\u6548\u7387\u4e14\u5b89\u5168\u7684\u96f2\u7aef\u7db2\u7d61"},"content":{"rendered":"

\u5728AWS \u7684Virtual Private Cloud\uff08VPC\uff0c\u865b\u64ec\u79c1\u6709\u96f2\uff09\u4e2d\uff0cInternet Gateway\uff08\u7db2\u969b\u7db2\u8def\u9598\u9053\uff09<\/strong> \u8207 NAT Gateway\uff08\u7db2\u8def\u4f4d\u5740\u8f49\u63db\uff09<\/strong> \u662f\u5169\u7a2e\u5be6\u73fe\u5916\u7db2\u5b58\u53d6\u7684\u95dc\u9375\u5143\u4ef6\u3002\u5b83\u5011\u5206\u5225\u61c9\u7528\u65bc\u4e0d\u540c\u7684\u5b50\u7db2\u985e\u578b\u2014 \u516c\u5171\u5b50\u7db2\u8def\uff08public subnet\uff09<\/strong> \u548c \u79c1\u6709\u5b50\u7db2\u8def\uff08private subnet\uff09<\/strong>\uff0c\u5728\u96f2\u7aef\u4e0a\u7db2\u8def\u8a2d\u8a08\u4e2d\u627f\u64d4\u6838\u5fc3\u89d2\u8272\u3002<\/p>\n

\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39\u5169\u8005\u7684\u529f\u80fd\u5dee\u7570\u3001\u90e8\u7f72\u65b9\u5f0f\u53ca\u5178\u578b\u4f7f\u7528\u5834\u666f\uff0c\u5e6b\u52a9\u60a8\u5efa\u7acb\u4e00\u500b\u9ad8\u53ef\u7528\u3001\u53ef\u64f4\u5c55\u4e14\u5b89\u5168\u7684\u96f2\u7aef\u7db2\u8def\u67b6\u69cb<\/strong>\u3002<\/p>\n

\u4ec0\u9ebc\u662fInternet Gateway\uff1f<\/h4>\n

Internet Gateway<\/strong> \u662f\u4e00\u7a2e\u8a17\u7ba1\u5728AWS \u4e0a\u7684\u908f\u8f2f\u7db2\u8def\u5143\u4ef6\uff0c\u5b83\u4f7fVPC \u4e2d\u7684\u57f7\u884c\u500b\u9ad4\u80fd\u5920\u900f\u904e\u516c\u7528IP \u4f4d\u5740\u6216\u5f48\u6027IP \u4f4d\u5740\uff08Elastic IP Address\uff09\u5b58\u53d6\u7db2\u969b\u7db2\u8def\u3002\u6bcf\u500bVPC \u53ea\u80fd\u9644\u52a0\u4e00\u500bInternet Gateway\u3002\u5b83\u672c\u8eab\u4e0d\u9650\u5236\u983b\u5bec\uff0c\u6d41\u91cf\u74f6\u9838\u53d6\u6c7a\u65bc\u95dc\u806f\u7684 Amazon EC2 \u57f7\u884c\u500b\u9ad4\u985e\u578b<\/strong>\u3002<\/p>\n

\u6838\u5fc3\u7279\u6027\uff1a<\/h5>\n
    \n
  • \n

    \u53ef\u4f7f\u5177\u6709 public IP address<\/strong> \u7684\u57f7\u884c\u500b\u9ad4\u9023\u63a5\u4e92\u806f\u7db2<\/p>\n<\/li>\n

  • \n

    \u8207 Route Table\uff08\u8def\u7531\u8868\uff09<\/strong> \u914d\u5408\uff0c\u5c07\u516c\u5171\u5b50\u7db2\u8def\u7684\u51fa\u7ad9\u6d41\u91cf\u5f15\u5c0e\u81f3\u4e92\u806f\u7db2<\/p>\n<\/li>\n

  • \n

    \u662f\u5be6\u73fe\u96d9\u5411\u516c\u7db2\u5b58\u53d6\u7684\u524d\u63d0\u689d\u4ef6<\/p>\n<\/li>\n<\/ul>\n

     <\/p>\n

    \u8a2d\u5b9a\u6b65\u9a5f\u7bc4\u4f8b\uff1a<\/h5>\n
      \n
    1. \n

      \u5efa\u7acbVPC\uff0c\u4e26\u9644\u52a0\u4e00\u500bInternet Gateway<\/p>\n<\/li>\n

    2. \n

      \u5275\u5efa\u4e00\u500b public subnet<\/strong>\uff0c\u4e26\u5728\u5176Route Table \u4e2d\u65b0\u589e\u4e00\u689d\u76ee\u6a19\u70ba 0.0.0.0\/0<\/code> \u7684\u8def\u7531\uff0c\u4e0b\u4e00\u8df3\u8a2d\u70baInternet Gateway<\/p>\n<\/li>\n

    3. \n

      \u555f\u7528\u5b50\u7db2\u8def\u5167EC2 \u5be6\u4f8b\u7684\u300c\u81ea\u52d5\u5206\u914d\u516c\u7528IP \u4f4d\u5740\u300d\u529f\u80fd<\/p>\n<\/li>\n<\/ol>\n

      \n

      \u2705 \u6b64\u5b50\u7db2\u8def\u5373\u70ba \u516c\u5171\u5b50\u7db2<\/strong>\uff0c\u5176\u5167\u5be6\u4f8b\u5177\u5099\u516c\u7db2\u901a\u8a0a\u80fd\u529b<\/p>\n<\/blockquote>\n

       <\/p>\n

      \u4ec0\u9ebc\u662fNAT \u9598\u9053\uff08NAT Gateway\uff09\uff1f<\/h4>\n

      \u7576\u5b50\u7db2\u8def\u4e2d\u7684\u5be6\u4f8b\u4e0d\u5e0c\u671b\u88ab\u516c\u7db2\u76f4\u63a5\u8a2a\u554f<\/strong>\uff0c\u4f46\u53c8\u9700\u8981\u4e3b\u52d5\u5b58\u53d6\u4e92\u806f\u7db2\uff08\u4f8b\u5982\u62c9\u53d6\u66f4\u65b0\u3001\u767c\u9001\u8acb\u6c42\u7b49\uff09\uff0c\u5c31\u9700\u8981\u4f7f\u7528NAT\uff08Network Address Translation\uff09\u6a5f\u5236\u3002<\/p>\n

      \u5169\u7a2eNAT \u5be6\u4f5c\u65b9\u5f0f\uff1a<\/h5>\n
      1. NAT \u5be6\u4f8b\uff08NAT Instance\uff09<\/h5>\n

      NAT \u5be6\u4f8b\u662f\u57f7\u884c\u5728EC2 \u4e0a\u7684\u81ea\u8a02NAT \u4f3a\u670d\u5668\uff0c\u60a8\u9700\u8981\u624b\u52d5\u8a2d\u5b9a\u5176\u5b89\u5168\u6027\u7fa4\u7d44\u3001\u8def\u7531\u8868\u53ca\u95dc\u9589\u4f86\u6e90\/\u76ee\u6a19\u6aa2\u67e5\uff08source\/destination check\uff09\u3002<\/p>\n

      \u7f3a\u9ede\uff1a<\/strong><\/p>\n

        \n
      • \n

        \u9700\u8981\u81ea\u884c\u7dad\u904b\u548c\u76e3\u63a7<\/p>\n<\/li>\n

      • \n

        \u5bb9\u6613\u6210\u70ba\u6548\u80fd\u74f6\u9838\uff08\u983b\u5bec\u53d7\u9650\u65bcEC2 \u57f7\u884c\u500b\u9ad4\u985e\u578b\uff09<\/p>\n<\/li>\n<\/ul>\n

        2. NAT \u7db2\u95dc\uff08Managed NAT Gateway\uff09<\/h5>\n

        NAT Gateway<\/strong> \u662f\u7531AWS \u8a17\u7ba1\u7684\u5f48\u6027\u3001\u9ad8\u53ef\u7528\u670d\u52d9\uff0c\u63a8\u85a6\u7528\u65bc\u751f\u7522\u74b0\u5883\u3002<\/p>\n

        NAT Gateway \u512a\u52e2\uff1a<\/h5>\n
          \n
        • \n

          \u5b8c\u5168\u8a17\u7ba1\u670d\u52d9<\/strong>\uff1a\u7121\u9700\u7dad\u8b77\u4f3a\u670d\u5668\u6216\u8a2d\u5b9a\u9632\u706b\u7246<\/p>\n<\/li>\n

        • \n

          \u9ad8\u53ef\u7528\u6027<\/strong>\uff1a\u81ea\u52d5\u6545\u969c\u8f49\u79fb<\/p>\n<\/li>\n

        • \n

          \u9ad8\u983b\u5bec<\/strong>\uff1a\u6700\u9ad8\u53ef\u905445 Gbps\uff08\u8996\u5340\u57df\u800c\u5b9a\uff09<\/p>\n<\/li>\n

        • \n

          \u652f\u63f4\u5f48\u6027IP Address<\/strong>\uff1a\u7d81\u5b9a\u516c\u7db2\u51fa\u53e3<\/p>\n<\/li>\n<\/ul>\n

           <\/p>\n

          \u5178\u578b\u90e8\u7f72\u65b9\u5f0f\uff1a<\/h4>\n
            \n
          • \n

            \u5728 public subnet<\/strong> \u4e2d\u5efa\u7acbNAT Gateway\uff0c\u4e26\u6307\u6d3e\u4e00\u500b Elastic IP<\/strong><\/p>\n<\/li>\n

          • \n

            \u5728 private subnet<\/strong> \u7684Route Table \u4e2d\u52a0\u5165 0.0.0.0\/0<\/code> \u8def\u7531\uff0c\u76ee\u6a19\u8a2d\u70baNAT Gateway<\/p>\n<\/li>\n<\/ul>\n

            \n

            \u26a0\ufe0f NAT Gateway \u53ea\u80fd\u7528\u65bc\u51fa\u7ad9\u6d41\u91cf\u3002\u516c\u7db2\u8acb\u6c42\u7121\u6cd5\u4e3b\u52d5\u9023\u7ddaNAT Gateway \u5f8c\u7684\u79c1\u6709\u5be6\u4f8b\u3002<\/p>\n<\/blockquote>\n

             <\/p>\n

            Internet Gateway vs NAT Gateway\uff1a\u95dc\u9375\u5340\u5225\u4e00\u89bd<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n
            \u7279\u6027<\/th>\nInternet Gateway<\/th>\nNAT Gateway<\/th>\n<\/tr>\n<\/thead>\n
            \u9023\u63a5\u65b9\u5411<\/td>\n\u96d9\u5411\uff08\u5165\u7ad9\/\u51fa\u7ad9\uff09<\/td>\n\u50c5\u51fa\u7ad9<\/td>\n<\/tr>\n
            \u9069\u7528\u5b50\u7db2<\/td>\n\u516c\u5171\u5b50\u7db2\u8def\uff08public subnet\uff09<\/td>\n\u79c1\u6709\u5b50\u7db2\u8def\uff08private subnet\uff09<\/td>\n<\/tr>\n
            \u662f\u5426\u9700\u8981\u516c\u5171IP<\/td>\n\u662f<\/td>\n\u5426\uff08\u7531NAT \u51fa\u53e3\u7d71\u4e00\u8f49\u63db\uff09<\/td>\n<\/tr>\n
            \u8cc7\u6e90\u7ba1\u7406<\/td>\nAWS \u8a17\u7ba1<\/td>\nAWS \u8a17\u7ba1<\/td>\n<\/tr>\n
            \u53ef\u7528\u6027\u914d\u7f6e<\/td>\n\u652f\u63f4\u5168\u5340\u57df<\/td>\n\u9700\u70ba\u6bcf\u500b\u53ef\u7528\u5340\u55ae\u7368\u5275\u5efa<\/td>\n<\/tr>\n
            \u5b89\u5168\u7fa4\u7d44\u7d81\u5b9a<\/td>\n\u652f\u63f4<\/td>\n\u4e0d\u652f\u63f4\u7d81\u5b9a\u5b89\u5168\u6027\u7fa4\u7d44<\/td>\n<\/tr>\n
            \u4f7f\u7528\u5f48\u6027IP<\/td>\n\u53ef\u9078<\/td>\n\u5fc5\u9808\u7d81\u5b9a\u4e00\u500bEIP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

             <\/p>\n

            \u76f8\u95dc\u6838\u5fc3\u6982\u5ff5\u4e00\u89bd<\/h4>\n

            \u70ba\u66f4\u80fd\u7406\u89e3NAT \u548cInternet Gateway\uff0c\u4ee5\u4e0b\u6982\u5ff5\u9700\u4e00\u4f75\u638c\u63e1\uff1a<\/p>\n

              \n
            • \n

              Public NAT Gateway<\/strong>\uff1a\u90e8\u7f72\u5728\u516c\u6709\u5b50\u7db2\u8def\u4e2d\u4e26\u6307\u6d3eEIP\uff0c\u7528\u65bc\u79c1\u6709\u5b50\u7db2\u8def\u51fa\u7ad9\u5b58\u53d6<\/p>\n<\/li>\n

            • \n

              Private NAT Gateway<\/strong>\uff1aAWS \u5c1a\u672a\u539f\u751f\u652f\u63f4\uff08\u4f46\u53ef\u900f\u904eTransit Gateway \u5be6\u4f5c\u985e\u4f3c\u908f\u8f2f\uff09<\/p>\n<\/li>\n

            • \n

              Route Table\uff08\u8def\u7531\u8868\uff09<\/strong>\uff1aVPC \u4e2d\u7684\u5b50\u7db2\u8def\u9700\u900f\u904e\u8def\u7531\u8868\u5b9a\u7fa9\u51fa\u53e3\u8def\u5f91\uff08\u4f8b\u5982\u5230Internet Gateway \u6216NAT Gateway\uff09<\/p>\n<\/li>\n

            • \n

              Private IP Address & Public IP Address<\/strong>\uff1a\u79c1\u6709\u5b50\u7db2\u8def\u4e2d\u4f7f\u7528\u79c1\u6709IP\uff1b\u5982\u9700\u516c\u7db2\u5b58\u53d6\u5fc5\u9808\u914d\u7f6e\u5f48\u6027\u516c\u7db2IP \u6216\u4f7f\u7528NAT<\/p>\n<\/li>\n

            • \n

              Virtual Private Gateway<\/strong>\uff1a\u7528\u65bcVPN \u6216Direct Connect \u9023\u63a5\u4f01\u696d\u8cc7\u6599\u4e2d\u5fc3\u8207AWS \u7db2\u8def<\/p>\n<\/li>\n<\/ul>\n

               <\/p>\n

              \u6700\u4f73\u5be6\u52d9\u8207\u67b6\u69cb\u5efa\u8b70<\/h4>\n
              \u2705 \u516c\u6709\u5b50\u7db2\u8def\u67b6\u69cb\uff1a<\/h5>\n
                \n
              • \n

                \u653e\u7f6e\u9700\u8981\u516c\u7db2\u5b58\u53d6\u7684\u670d\u52d9\uff08\u5982Web Server\uff09<\/p>\n<\/li>\n

              • \n

                \u8a2d\u5b9aInternet Gateway \u8207\u516c\u7db2IP<\/p>\n<\/li>\n<\/ul>\n

                \u2705 \u79c1\u6709\u5b50\u7db2\u8def\u67b6\u69cb\uff1a<\/h5>\n
                  \n
                • \n

                  \u653e\u7f6e\u8cc7\u6599\u5eab\u3001\u5feb\u53d6\u7b49\u5167\u7db2\u670d\u52d9<\/p>\n<\/li>\n

                • \n

                  \u914d\u7f6eNAT Gateway \u4f9b\u670d\u52d9\u5b58\u53d6\u4e92\u806f\u7db2\u8cc7\u6e90<\/p>\n<\/li>\n

                • \n

                  \u642d\u914d\u5f48\u6027\u8ca0\u8f09\u5e73\u8861\u5668\uff08ELB\uff09\u505a\u5165\u7ad9\u8a2a\u554f\u7684\u4ee3\u7406\u8f49\u767c<\/p>\n<\/li>\n<\/ul>\n

                   <\/p>\n

                  Oncloud AI\u5354\u52a9\u60a8\u5b89\u5168\u4e0a\u96f2<\/h4>\n

                  \u4f5c\u70baAWS \u5b98\u65b9\u6388\u6b0a\u5408\u4f5c\u5925\u4f34\uff0cOncloud AI<\/strong> \u63d0\u4f9b\u5982\u4e0b\u670d\u52d9\u652f\u63f4\uff1a<\/p>\n

                    \n
                  • \n

                    AWS \u4f01\u696d\u5e33\u865f\u8a3b\u518a\u4ee3\u4ed8\u670d\u52d9<\/p>\n<\/li>\n

                  • \n

                    \u5efa\u69cb\u5b89\u5168\u5408\u898f\u7684VPC \u7db2\u8def\u67b6\u69cb<\/p>\n<\/li>\n

                  • \n

                    NAT Gateway\u3001Internet Gateway \u8a2d\u5b9a\u8207\u6700\u4f73\u5316<\/p>\n<\/li>\n

                  • \n

                    \u96f2\u7aef\u4f3a\u670d\u5668\u8a17\u7ba1\u8207\u6301\u7e8c\u7dad\u904b\u670d\u52d9<\/p>\n<\/li>\n

                  • \n

                    \u7db2\u8def\u5b89\u5168\u7fa4\u7d44\u3001\u5b89\u5168\u5be9\u8a08\u3001\u5165\u4fb5\u9632\u8b77\u8aee\u8a62<\/p>\n<\/li>\n<\/ul>\n

                    \ud83d\udce7 \u5982\u9700AWS \u67b6\u69cb\u8a2d\u8a08\u8207\u8cc7\u6e90\u6700\u4f73\u5316\uff0c\u6b61\u8fce\u806f\u7d61Oncloud AI\uff0c\u5354\u52a9\u60a8\u7121\u6182\u4e0a\u96f2\u3002<\/p>\n

                     <\/p>\n

                    \u7d50\u8a9e<\/h4>\n

                    \u900f\u904e\u5408\u7406\u4f7f\u7528Internet Gateway \u8207NAT Gateway\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u696d\u52d9\u5b89\u5168\u7b56\u7565\u9748\u6d3b\u5283\u5206VPC \u4e2d\u7684\u5b50\u7db2\u8def\u5b58\u53d6\u6b0a\u9650\uff0c\u5efa\u69cb\u65e2\u5b89\u5168\u53c8\u6709\u6548\u7387\u7684\u7db2\u8def\u67b6\u69cb\u3002<\/p>\n

                    \u638c\u63e1AWS \u7db2\u8def\u670d\u52d9\u7684\u5e95\u5c64\u908f\u8f2f\uff0c\u4e0d\u50c5\u6709\u52a9\u65bc\u6210\u672c\u512a\u5316\uff0c\u4e5f\u70ba\u672a\u4f86\u7684\u7cfb\u7d71\u53ef\u64f4\u5145\u6027\u6253\u4e0b\u5805\u5be6\u57fa\u790e\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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