{"id":4304,"date":"2025-12-31T15:59:54","date_gmt":"2025-12-31T07:59:54","guid":{"rendered":"https:\/\/aws-oncloudai.com\/?p=4304"},"modified":"2025-12-31T15:59:54","modified_gmt":"2025-12-31T07:59:54","slug":"detailed-explanation-of-aws-eni-elastic-network-interface-the-core-component-of-cloud-network-connectivity","status":"publish","type":"post","link":"https:\/\/aws-oncloudai.com\/zh_hk\/detailed-explanation-of-aws-eni-elastic-network-interface-the-core-component-of-cloud-network-connectivity\/","title":{"rendered":"AWS ENI\uff08\u5f48\u6027\u7db2\u8def\u4ecb\u9762\uff09\u8a73\u89e3\uff1a\u96f2\u7aef\u7db2\u8def\u9023\u63a5\u7684\u6838\u5fc3\u5143\u4ef6"},"content":{"rendered":"

\u5728AWS \u96f2\u7aef\u67b6\u69cb\u4e2d\uff0c\u7db2\u8def\u662f\u6240\u6709\u904b\u7b97\u8207\u61c9\u7528\u904b\u884c\u7684\u57fa\u790e\u3002\u800c\u5728Amazon VPC \u4e2d\uff0cAWS \u5f48\u6027\u7db2\u8def\u4ecb\u9762\uff08Elastic Network Interface\uff0cENI\uff09<\/strong> \u5247\u662f\u5be6\u73fe\u8cc7\u6e90\u4e4b\u9593\u5b89\u5168\u901a\u8a0a\u7684\u95dc\u9375\u5143\u4ef6\u3002\u7121\u8ad6\u662fEC2 \u57f7\u884c\u500b\u9ad4\u3001RDS \u8cc7\u6599\u5eab\uff0c\u6216\u662fEKS\u3001Lambda \u7b49\u8a17\u7ba1\u670d\u52d9\uff0c\u5176\u5e95\u5c64\u7db2\u8def\u80fd\u529b\u90fd\u96e2\u4e0d\u958bENI \u7684\u652f\u63f4\u3002<\/p>\n

\u77ad\u89e3ENI \u7684\u6982\u5ff5\u3001\u7279\u6027\u53ca\u4f7f\u7528\u65b9\u5f0f\uff0c\u6709\u52a9\u65bc\u66f4\u597d\u5730\u8a2d\u8a08AWS \u7db2\u8def\u67b6\u69cb\uff0c\u63d0\u5347\u7cfb\u7d71\u7a69\u5b9a\u6027\u3001\u5f48\u6027\u53ca\u6574\u9ad4\u6548\u80fd\u3002<\/p>\n

 <\/p>\n

\u4ec0\u9ebc\u662fAWS ENI\uff1f<\/h4>\n

AWS ENI \u662f\u4e00\u7a2e \u865b\u64ec\u7db2\u8def\u4ecb\u9762\u5361\uff08Virtual NIC\uff09<\/strong>\uff0c\u7528\u65bc\u5728Amazon VPC \u4e2d\u70ba\u5be6\u4f8b\u63d0\u4f9b\u7db2\u8def\u9023\u7dda\u80fd\u529b\u3002<\/p>\n

\u6bcf\u4e00\u500bENI \u90fd\u4ee3\u8868\u4e86\u4e00\u500b\u660e\u78ba\u7684\u7db2\u8def\u8eab\u4efd\uff0c\u8ca0\u8cac\u8655\u7406\u5be6\u4f8b\u7684\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\u3002<\/p>\n

\u7c21\u55ae\u4f86\u8aaa\uff1a<\/p>\n

ENI \u662fAWS \u4e2d\u8cc7\u6e90\u300c\u5982\u4f55\u9023\u63a5\u7db2\u8def\u3001\u4f7f\u7528\u54ea\u4e9bIP\u3001\u9075\u5faa\u54ea\u4e9b\u5b89\u5168\u898f\u5247\u300d\u7684\u6838\u5fc3\u8f09\u9ad4\u3002<\/strong><\/p><\/blockquote>\n

ENI \u53ef\u4ee5\u7368\u7acb\u5efa\u7acb\u3001\u914d\u7f6e\uff0c\u4e26\u9644\u52a0\u5230EC2 \u5be6\u4f8b\u4e0a\uff0c\u4e5f\u53ef\u4ee5\u5728\u9700\u8981\u6642\u5f9e\u5be6\u4f8b\u5206\u96e2\u4e26\u91cd\u65b0\u639b\u8f09\u5230\u5176\u4ed6\u5be6\u4f8b\uff0c\u5f9e\u800c\u70ba\u7db2\u8def\u7ba1\u7406\u63d0\u4f9b\u9ad8\u5ea6\u9748\u6d3b\u6027\u3002<\/p>\n

<\/h4>\n

ENI \u7684\u6838\u5fc3\u7279\u6027<\/h4>\n

1. \u865b\u64ec\u7db2\u8def\u4ecb\u9762\u5361\uff08NIC\uff09<\/h5>\n

ENI \u672c\u8cea\u4e0a\u662f\u4e00\u584a\u865b\u64ec\u7db2\u8def\u5361\uff0c\u5b58\u5728\u65bc\u67d0\u500bVPC \u5b50\u7db2\u8def\u4e2d\uff0c\u70ba\u57f7\u884c\u500b\u9ad4\u63d0\u4f9b\u7db2\u8def\u901a\u8a0a\u80fd\u529b\u3002\u900f\u904eENI\uff0c\u5be6\u4f8b\u624d\u80fd\u8207\u540c\u4e00VPC \u5167\u7684\u5176\u4ed6\u8cc7\u6e90\u6216\u5916\u90e8\u7db2\u8def\u901a\u8a0a\u3002<\/p>\n

2. \u9748\u6d3b\u7684\u639b\u8f09\u8207\u5206\u96e2\u6a5f\u5236<\/h5>\n

ENI \u652f\u63f4\u5728\u57f7\u884c\u500b\u9ad4\u904b\u4f5c\u671f\u9593\u9032\u884c\u639b\u8f09\u548c\u5206\u96e2\uff08\u4e3bENI \u9664\u5916\uff09\uff1a<\/p>\n

    \n
  • \u53ef\u5c07\u540c\u4e00\u500bENI \u5f9e\u4e00\u53f0EC2 \u5be6\u4f8b\u89e3\u7d81\uff0c\u4e26\u639b\u8f09\u5230\u53e6\u4e00\u53f0\u5be6\u4f8b<\/li>\n
  • \u9069\u7528\u65bc\u6545\u969c\u5207\u63db\u3001\u9ad8\u53ef\u7528\u67b6\u69cb\u548c\u6d41\u91cf\u9077\u79fb\u5834\u666f<\/li>\n
  • \u6709\u52a9\u65bc\u5728\u4e0d\u66f4\u6539IP \u6216\u7db2\u8def\u7b56\u7565\u7684\u60c5\u6cc1\u4e0b\u5b8c\u6210\u5be6\u4f8b\u66ff\u63db<\/li>\n<\/ul>\n
    3. \u5b89\u5168\u7fa4\u7d44\u7d81\u5b9a\u80fd\u529b<\/h5>\n

    ENI \u53ef\u76f4\u63a5\u95dc\u806f\u4e00\u500b\u6216\u591a\u500b \u5b89\u5168\u7fa4\u7d44<\/strong>\u3002<\/p>\n

    \u5b89\u5168\u7fa4\u7d44\u4f5c\u70ba\u5be6\u4f8b\u5c64\u7d1a\u7684\u865b\u64ec\u9632\u706b\u7246\uff0c\u63a7\u5236\u5165\u7ad9\u548c\u51fa\u7ad9\u6d41\u91cf\uff1a<\/p>\n

      \n
    • \u4e0d\u540cENI \u53ef\u7d81\u5b9a\u4e0d\u540c\u5b89\u5168\u7fa4\u7d44<\/li>\n
    • \u540c\u4e00\u5be6\u4f8b\u53ef\u900f\u904e\u591a\u500bENI \u5be6\u73fe\u7db2\u8def\u5b58\u53d6\u9694\u96e2<\/li>\n
    • \u63d0\u9ad8\u7db2\u8def\u5b58\u53d6\u63a7\u5236\u7684\u7cbe\u7d30\u5316\u7a0b\u5ea6<\/li>\n<\/ul>\n
      4. IP \u4f4d\u5740\u7ba1\u7406\u80fd\u529b<\/h5>\n

      ENI \u652f\u63f4\u591a\u7a2eIP \u8cc7\u6e90\u7d81\u5b9a\u65b9\u5f0f\uff1a<\/p>\n

        \n
      • \u4e00\u500b\u4e3b\u79c1\u6709IPv4 \u4f4d\u5740<\/li>\n
      • \u591a\u500b\u8f14\u52a9\u79c1\u6709IP \u4f4d\u5740<\/li>\n
      • \u7d81\u5b9a\u5f48\u6027\u516c\u7db2IP\uff08EIP\uff09\uff0c\u7528\u65bc\u516c\u7db2\u8a2a\u554f<\/li>\n<\/ul>\n

        \u900f\u904eENI \u7ba1\u7406IP\uff0c\u53ef\u4ee5\u5be6\u73feIP \u56fa\u5b9a\u3001\u670d\u52d9\u9077\u79fb\u6216\u591aIP \u61c9\u7528\u90e8\u7f72\u3002<\/p>\n

        5. \u8207\u7db2\u8defACL \u5354\u540c\u5de5\u4f5c<\/h5>\n

        ENI \u6240\u5728\u7684\u5b50\u7db2\u8def\u53ef\u8a2d\u5b9a \u7db2\u8def\u5b58\u53d6\u63a7\u5236\u6e05\u55ae\uff08Network ACL\uff09<\/strong>\u3002<\/p>\n

        ACL \u5728\u5b50\u7db2\u8def\u5c64\u7d1a\u63a7\u5236\u6d41\u91cf\uff0c\u800c\u5b89\u5168\u7d44\u5728ENI \u5c64\u7d1a\u63a7\u5236\u6d41\u91cf\uff0c\u5169\u8005\u7d50\u5408\u53ef\u5efa\u69cb\u591a\u5c64\u7db2\u8def\u9632\u8b77\u9ad4\u7cfb\u3002<\/p>\n

        6. \u9ad8\u6548\u80fd\u7db2\u8def\u901a\u4fe1<\/h5>\n

        ENI \u662fAWS \u9ad8\u6548\u80fd\u7db2\u8def\u7684\u57fa\u790e\u3002<\/p>\n

        \u7d50\u5408\u5be6\u4f8b\u985e\u578b\u548c\u589e\u5f37\u578b\u7db2\u8def\u529f\u80fd\uff08\u5982ENA\u3001EFA\uff09\uff0cENI \u53ef\u652f\u63f4\uff1a<\/p>\n

          \n
        • \u9ad8\u541e\u5410\u91cf<\/li>\n
        • \u4f4e\u5ef6\u9072<\/li>\n
        • \u7a69\u5b9a\u7684\u6578\u64da\u50b3\u8f38\u80fd\u529b<\/li>\n<\/ul>\n

          \u9019\u5c0d\u65bc\u9ad8\u4e26\u767c\u61c9\u7528\u3001\u5206\u6563\u5f0f\u7cfb\u7d71\u4ee5\u53ca\u5c0d\u7db2\u8def\u6548\u80fd\u654f\u611f\u7684\u5834\u666f\u5c24\u5176\u91cd\u8981\u3002<\/p>\n

          7. \u53ef\u89c0\u6e2c\u6027\u8207\u76e3\u63a7\u652f\u6301<\/h5>\n

          AWS \u63d0\u4f9b\u591a\u7a2e\u76e3\u63a7\u80fd\u529b\u4f86\u89c0\u5bdfENI \u7684\u7db2\u8def\u72c0\u614b\uff0c\u4f8b\u5982\uff1a<\/p>\n

            \n
          • \u7db2\u8def\u541e\u5410\u91cf<\/li>\n
          • \u6578\u64da\u5305\u901f\u7387<\/li>\n
          • \u932f\u8aa4\u548c\u4e1f\u5305\u60c5\u6cc1<\/li>\n<\/ul>\n

            \u9019\u4e9b\u6307\u6a19\u6709\u52a9\u65bc\u6392\u67e5\u7db2\u8def\u74f6\u9838\u4e26\u6301\u7e8c\u512a\u5316\u7db2\u8def\u914d\u7f6e\u3002<\/p>\n

             <\/p>\n

            \u5982\u4f55\u4f7f\u7528AWS \u7db2\u8def\u4ecb\u9762\uff08ENI\uff09\uff1f<\/h4>\n

            \u5728AWS \u4e2d\u4f7f\u7528ENI\uff0c\u901a\u5e38\u6d89\u53ca\u4ee5\u4e0b\u5e7e\u500b\u95dc\u9375\u64cd\u4f5c\uff1a<\/p>\n

            1. \u5efa\u7acb\u7db2\u8def\u4ecb\u9762<\/h5>\n

            \u53ef\u4ee5\u900f\u904e\u4ee5\u4e0b\u65b9\u5f0f\u5efa\u7acbENI\uff1a<\/p>\n

              \n
            • AWS \u7ba1\u7406\u4e3b\u63a7\u53f0<\/li>\n
            • AWS CLI<\/li>\n
            • AWS SDK<\/li>\n<\/ul>\n

              \u5728\u5275\u5efa\u904e\u7a0b\u4e2d\uff0c\u9700\u8981\u6307\u5b9a\uff1a<\/p>\n

                \n
              • \u6240\u5c6c\u5b50\u7db2<\/li>\n
              • \u5b89\u5168\u7fa4\u7d44<\/li>\n
              • \u79c1\u6709IP\uff08\u81ea\u52d5\u5206\u914d\u6216\u624b\u52d5\u6307\u5b9a\uff09<\/li>\n<\/ul>\n
                2. \u639b\u8f09\u8207\u5206\u96e2ENI<\/h5>\n

                \u5efa\u7acb\u5b8c\u6210\u5f8c\uff0c\u53ef\u5c07ENI \u639b\u8f09\u81f3EC2 \u57f7\u884c\u500b\u9ad4\uff1a<\/p>\n

                  \n
                • \u639b\u8f09\u6642\u9700\u6307\u5b9a\u5be6\u4f8bID \u548c\u8a2d\u5099\u7d22\u5f15\uff08\u5982eth1\u3001eth2\uff09<\/li>\n
                • \u5206\u96e2\u5f8c\uff0cENI \u53ef\u91cd\u65b0\u639b\u8f09\u5230\u5176\u4ed6\u5be6\u4f8b<\/li>\n
                • \u4e3bENI \u4e0d\u53ef\u5206\u96e2\uff0c\u8f14\u52a9ENI \u53ef\u9748\u6d3b\u7ba1\u7406<\/li>\n<\/ul>\n
                  3. \u7ba1\u7406IP \u4f4d\u5740<\/h5>\n

                  ENI \u652f\u63f4\u9748\u6d3b\u7684IP \u7ba1\u7406\u65b9\u5f0f\uff1a<\/p>\n

                    \n
                  • \u65b0\u589e\u6216\u79fb\u9664\u8f14\u52a9\u79c1\u6709IP<\/li>\n
                  • \u7d81\u5b9a\u6216\u91cb\u653e\u5f48\u6027\u516c\u7db2IP<\/li>\n
                  • \u7528\u65bc\u591a\u670d\u52d9\u90e8\u7f72\u6216\u5e73\u6ed1\u9077\u79fb\u5834\u666f<\/li>\n<\/ul>\n
                    4. \u8a2d\u5b9a\u5b89\u5168\u7b56\u7565<\/h5>\n

                    \u900f\u904e\u5c07\u4e0d\u540c\u5b89\u5168\u6027\u7fa4\u7d44\u7d81\u5b9a\u5230ENI\uff0c\u53ef\u5be6\u73fe\uff1a<\/p>\n

                      \n
                    • \u4e0d\u540c\u7db2\u8def\u6d41\u91cf\u7684\u9694\u96e2<\/li>\n
                    • \u7cbe\u7d30\u5316\u7684\u5b58\u53d6\u63a7\u5236<\/li>\n
                    • \u7c21\u5316\u8907\u96dc\u5be6\u4f8b\u7684\u5b89\u5168\u898f\u5247\u7ba1\u7406<\/li>\n<\/ul>\n
                      5. \u76e3\u63a7\u8207\u6545\u969c\u6392\u9664<\/h5>\n

                      \u7d50\u5408CloudWatch \u548cVPC Flow Logs\uff0c\u53ef\u5c0dENI \u76f8\u95dc\u6d41\u91cf\u9032\u884c\u5206\u6790\uff1a<\/p>\n

                        \n
                      • \u5b9a\u4f4d\u7db2\u8def\u5ef6\u9072\u6216\u4e1f\u5305\u554f\u984c<\/li>\n
                      • \u5224\u65b7\u5b58\u53d6\u662f\u5426\u88ab\u5b89\u5168\u7fa4\u7d44\u6216ACL \u62d2\u7d55<\/li>\n
                      • \u512a\u5316\u6574\u9ad4\u7db2\u8def\u6548\u80fd<\/li>\n<\/ul>\n

                        <\/h4>\n

                        \u5982\u4f55\u5be6\u73fe\u548c\u512a\u5316AWS ENI\uff1f<\/h4>\n

                        \u5728\u5be6\u969b\u90e8\u7f72\u4e2d\uff0cENI \u7684\u5be6\u4f5c\u901a\u5e38\u9075\u5faa\u4ee5\u4e0b\u6d41\u7a0b\uff1a<\/p>\n

                          \n
                        1. \u5efa\u7acb\u4e26\u914d\u7f6eENI\uff08\u5b50\u7db2\u8def\u3001\u5b89\u5168\u7fa4\u7d44\u3001IP\uff09<\/li>\n
                        2. \u5c07ENI \u639b\u8f09\u5230\u76ee\u6a19EC2 \u5be6\u4f8b<\/li>\n
                        3. \u4f9d\u9700\u6c42\u5206\u914d\u79c1\u6709IP \u6216\u5f48\u6027\u516c\u7db2IP<\/li>\n
                        4. \u8a2d\u5b9a\u5b89\u5168\u7fa4\u7d44\u898f\u5247\uff0c\u63a7\u5236\u5b58\u53d6\u8def\u5f91<\/li>\n
                        5. \u5982\u6709\u6548\u80fd\u9700\u6c42\uff0c\u555f\u7528ENA \u6216EFA \u7b49\u589e\u5f37\u7db2\u8def\u80fd\u529b<\/li>\n
                        6. \u6301\u7e8c\u76e3\u63a7\u7db2\u8def\u6307\u6a19\u4e26\u9032\u884c\u6700\u4f73\u5316\u8abf\u6574<\/li>\n<\/ol>\n

                          \u5408\u7406\u898f\u5283ENI \u7684\u6578\u91cf\u3001IP \u5206\u914d\u548c\u5b89\u5168\u7b56\u7565\uff0c\u662f\u5efa\u69cb\u7a69\u5b9aAWS \u7db2\u8def\u67b6\u69cb\u7684\u91cd\u8981\u57fa\u790e\u3002<\/p>\n

                          <\/h4>\n

                          \u603b\u7ed3<\/h4>\n

                          AWS \u5f48\u6027\u7db2\u8def\u4ecb\u9762\uff08ENI\uff09\u662fAmazon VPC \u7db2\u8def\u7cfb\u7d71\u4e2d\u7684\u6838\u5fc3\u5143\u4ef6\uff0c\u8ca0\u8cac\u5b9a\u7fa9\u5be6\u4f8b\u7684\u7db2\u8def\u8eab\u5206\u3001\u901a\u8a0a\u80fd\u529b\u548c\u5b89\u5168\u908a\u754c\u3002\u900f\u904eENI\uff0cAWS \u5be6\u73fe\u4e86\u9748\u6d3b\u7684\u7db2\u8def\u9023\u63a5\u3001\u7cbe\u7d30\u5316\u7684\u5b89\u5168\u63a7\u5236\u4ee5\u53ca\u9ad8\u6548\u80fd\u7684\u8cc7\u6599\u50b3\u8f38\u80fd\u529b\u3002<\/p>\n

                          \u6df1\u5165\u7406\u89e3ENI \u7684\u5de5\u4f5c\u6a5f\u5236\uff0c\u4e26\u5728\u67b6\u69cb\u8a2d\u8a08\u4e2d\u5408\u7406\u4f7f\u7528\u5b83\uff0c\u6709\u52a9\u65bc\u63d0\u5347\u96f2\u7aef\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u3001\u53ef\u7dad\u8b77\u6027\u548c\u64f4\u5c55\u80fd\u529b\u3002\u5728\u8907\u96dc\u7684\u96f2\u7aef\u74b0\u5883\u4e2d\uff0cENI \u4e0d\u50c5\u662f\u7db2\u8def\u9023\u7dda\u7684\u57fa\u790e\uff0c\u66f4\u662f\u5efa\u69cb\u9ad8\u53ef\u7528\u3001\u9ad8\u6548\u80fd\u96f2\u7aef\u67b6\u69cb\u7684\u91cd\u8981\u652f\u9ede\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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