{"id":3876,"date":"2025-07-07T16:02:21","date_gmt":"2025-07-07T08:02:21","guid":{"rendered":"https:\/\/www.key-iot.com\/?p=3876"},"modified":"2025-07-07T16:03:29","modified_gmt":"2025-07-07T08:03:29","slug":"must-gateways-be-configured-at-the-core-a-complete-comparison-of-gateway-deployment-across-different-architectures","status":"publish","type":"post","link":"https:\/\/www.key-iot.com\/jp\/blog\/must-gateways-be-configured-at-the-core-a-complete-comparison-of-gateway-deployment-across-different-architectures\/","title":{"rendered":"\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u30b3\u30a2\u3067\u8a2d\u5b9a\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u306e\u304b\uff1f\u3055\u307e\u3056\u307e\u306a\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u5c0e\u5165\u306e\u5b8c\u5168\u6bd4\u8f03"},"content":{"rendered":"
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\"9d6964b6cf41fff1da4f77bcc7d23df0\"\u3082\u3057 <\/span><\/div>\n
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\u7279\u5fb4<\/strong><\/span><\/p>\n

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  • \u3059\u3079\u3066\u306eVLANIF\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u30b3\u30a2\u30b9\u30a4\u30c3\u30c1\u306b\u8a2d\u5b9a\u3055\u308c\u308b<\/li>\n
  • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\/\u30a2\u30af\u30bb\u30b9\u5c64\u306f\u30ec\u30a4\u30e4\u30fc2\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u307f\u3092\u884c\u3046<\/li>\n<\/ul>\n<\/div>\n
    \n

    \u9069\u3057\u305f\u30b7\u30ca\u30ea\u30aa<\/strong><\/span><\/p>\n

      \n
    • \u4e2d\u898f\u6a21\u304b\u3089\u5927\u898f\u6a21\u306e\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/li>\n
    • \u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u3001\u591a\u6570\u306eVLAN\u3001\u8907\u96d1\u306a\u30ec\u30a4\u30e4\u30fc3\u30dd\u30ea\u30b7\u30fc<\/li>\n<\/ul>\n<\/div>\n
      \n

      \u30e1\u30ea\u30c3\u30c8<\/strong><\/span><\/p>\n

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      • \u7d71\u5408\u7ba1\u7406\u306e\u305f\u3081\u306e\u96c6\u4e2d\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/li>\n
      • \u30b3\u30a2\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u304c\u660e\u78ba\u306a\u30d1\u30b9\u306e\u53ef\u8996\u6027\u3092\u63d0\u4f9b<\/li>\n
      • \u30b3\u30a2\u4ed8\u8fd1\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306b\u3088\u308b\u96c6\u4e2d\u7684\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30dd\u30ea\u30b7\u30fc\u306e\u5c55\u958b<\/li>\n<\/ul>\n<\/div>\n
        \n

        \u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/span><\/p>\n

          \n
        • \u5357\u5317\u3068\u6771\u897f\u306e\u4ea4\u901a\u306f\u3059\u3079\u3066\u30b3\u30a2\u3092\u901a\u904e\u3057\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u305f\u3081\u3001\u9ad8\u3044\u5727\u529b\u304c\u304b\u304b\u308b\u3002<\/li>\n
        • \u30b3\u30a2\u304c\u5358\u4e00\u969c\u5bb3\u70b9\u3068\u306a\u308a\u3001\u6f5c\u5728\u7684\u306a\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u306b\u306a\u308b<\/li>\n<\/ul>\n<\/div>\n
          \n

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          \u7279\u5fb4<\/strong><\/span><\/p>\n

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          • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u30fc\u306b\u8a2d\u5b9a\u3055\u308c\u305fVLANIF\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n
          • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u5c64\u306fL3\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u51e6\u7406\u3057\u3001\u30b3\u30a2\u306f\u30eb\u30fc\u30c8\u8981\u7d04\u307e\u305f\u306f\u51fa\u53e3\u63a5\u7d9a\u306e\u307f\u3092\u7ba1\u7406\u3059\u308b<\/li>\n<\/ul>\n<\/div>\n
            \n

            \u9069\u3057\u305f\u30b7\u30ca\u30ea\u30aa<\/strong><\/span><\/p>\n

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            • \u30b5\u30fc\u30d3\u30b9\u30a8\u30ea\u30a2\u304c\u660e\u78ba\u306b\u5b9a\u7fa9\u3055\u308c\u305f\u4e2d\u898f\u6a21\u30ad\u30e3\u30f3\u30d1\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/li>\n
            • \u6bd4\u8f03\u7684\u72ec\u7acb\u3057\u305f\u96c6\u7d04\u30be\u30fc\u30f3\uff08\u4f8b\u3048\u3070\u3001\u30d5\u30ed\u30a2\u3084\u30a8\u30ea\u30a2\u3054\u3068\u306b\u7de8\u6210\u3055\u308c\u308b\uff09<\/li>\n<\/ul>\n<\/div>\n
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              \u30e1\u30ea\u30c3\u30c8<\/strong><\/span><\/p>\n

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              • \u30b3\u30a2\u8ca0\u8377\u306e\u8efd\u6e1b<\/li>\n
              • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30a4\u30e4\u30fc\u306f\u3001\u30ed\u30fc\u30ab\u30e9\u30a4\u30ba\u3055\u308c\u305fACL\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30fb\u30dd\u30ea\u30b7\u30fc\u3092\u5b9f\u88c5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002<\/li>\n
              • \u3088\u308a\u30d5\u30e9\u30c3\u30c8\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u9020\u3001\u62e1\u5f35\u304c\u5bb9\u6613<\/li>\n<\/ul>\n<\/div>\n
                \n

                \u30c7\u30e1\u30ea\u30c3\u30c8<\/strong><\/span><\/p>\n

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                • \u5404\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30a4\u30c3\u30c1\u304c\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30fb\u30c6\u30fc\u30d6\u30eb\u3092\u4fdd\u6301\u3059\u308b\u305f\u3081\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u8907\u96d1\u306b\u306a\u308b<\/li>\n
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                  \n

                  \u7279\u5fb4<\/strong><\/span><\/p>\n

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                  • \u30a2\u30af\u30bb\u30b9\u30b9\u30a4\u30c3\u30c1\u306b\u8a2d\u7f6e\u3055\u308c\u305fVLANIF\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/li>\n
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                    \u9069\u3057\u305f\u30b7\u30ca\u30ea\u30aa<\/strong><\/span><\/p>\n

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                    • \u30b7\u30f3\u30d7\u30eb\u306a\u5c55\u958b\u306e\u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/li>\n
                    • \u30c7\u30d0\u30a4\u30b9\u304c\u6bd4\u8f03\u7684\u56fa\u5b9a\u3055\u308c\u3066\u304a\u308a\u3001\u5f37\u529b\u306a\u5206\u96e2\u8981\u4ef6\u304c\u3042\u308bIoT\u307e\u305f\u306f\u652f\u5e97\u30b7\u30ca\u30ea\u30aa<\/li>\n<\/ul>\n<\/div>\n
                      \n

                      \u30e1\u30ea\u30c3\u30c8<\/strong><\/span><\/p>\n

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                      • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30a4\u30e4\u30fc\u3092\u5fc5\u8981\u3068\u3057\u306a\u3044\u3001\u6975\u3081\u3066\u7c21\u7d20\u5316\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/li>\n
                      • \u3059\u3079\u3066\u306e\u30d5\u30a9\u30ef\u30fc\u30c7\u30a3\u30f3\u30b0\u3092\u30ed\u30fc\u30ab\u30eb\u3067\u5b8c\u7d50\u3001\u9ad8\u52b9\u7387<\/li>\n<\/ul>\n<\/div>\n
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                        • \u5206\u6563\u3057\u305f\u6a5f\u5668\u69cb\u6210\u3001\u8907\u96d1\u306a\u7ba1\u7406<\/li>\n
                        • \u7dad\u6301\u304c\u56f0\u96e3\u306a\u5206\u6563\u578b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30dd\u30ea\u30b7\u30fc<\/li>\n
                        • \u30a2\u30af\u30bb\u30b9\u30b9\u30a4\u30c3\u30c1\u306e\u8ca0\u8377\u304c\u5897\u52a0\u3057\u3001\u969c\u5bb3\u304c\u767a\u751f\u3057\u3084\u3059\u304f\u306a\u308b<\/li>\n<\/ul>\n<\/div>\n
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                          03\uff5c\u3067\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3069\u3053\u306b\u8a2d\u5b9a\u3059\u3079\u304d\u304b\uff1f<\/h2>\n<\/div>\n
                          \u3053\u308c\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u898f\u6a21\u3084\u30d3\u30b8\u30cd\u30b9\u8981\u4ef6\u306b\u3088\u3063\u3066\u7570\u306a\u308a\u307e\u3059\uff1a<\/span><\/div>\n
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                          • \u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff0850\u53f0\u4ee5\u4e0b\uff09<\/strong>:\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u3057\u3066\u306e\u30a2\u30af\u30bb\u30b9\u5c64\u7523\u696d\u7528\u30eb\u30fc\u30bf\u30fc<\/li>\n
                          • \u4e2d\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff0850\uff5e500\u53f0\uff09<\/strong>:\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30a4\u30e4\u30fc\u30fb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/li>\n
                          • \u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08500\u53f0\u4ee5\u4e0a\uff09<\/strong>:\u30b3\u30a2\u5c64\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/li>\n<\/ul>\n<\/div>\n
                            \n

                            04\uff5c\u300c\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u5c55\u958b\u300d\u306f\u53ef\u80fd\u304b\uff1f<\/h2>\n<\/div>\n
                            \u305d\u3046\u3060\u3002\u73fe\u5b9f\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u591a\u304f\u306f\u300c\u6df7\u5408\u300d\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u63a1\u7528\u3057\u3066\u3044\u308b\uff1a<\/span><\/div>\n
                            \n
                              \n
                            • \u307b\u3068\u3093\u3069\u306eVLANIF\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u306f\u3001\u96c6\u4e2d\u7ba1\u7406\u306e\u305f\u3081\u306b\u30b3\u30a2\u306b\u914d\u7f6e\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/li>\n
                            • \u7279\u5b9a\u306e\u7279\u6b8a\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\uff08\u76e3\u8996\u30ab\u30e1\u30e9\u3084\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30b7\u30b9\u30c6\u30e0\u306a\u3069\uff09\u306f\u3001\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u30fc\u3084\u30a2\u30af\u30bb\u30b9\u30ec\u30a4\u30e4\u30fc\u306b\u914d\u7f6e\u3055\u308c\u3001\u30ed\u30fc\u30ab\u30eb\u306a\u5206\u96e2\u3068\u8ee2\u9001\u3092\u884c\u3046\u3002<\/li>\n
                            • \u30d0\u30fc\u30c1\u30e3\u30eb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\uff08SVI\uff09\uff0bDHCP\u30ea\u30ec\u30fc\u3092\u4f7f\u7528\u3057\u3066\u5206\u6563\u914d\u7f6e\u3055\u308c\u305f\u30ef\u30a4\u30e4\u30ec\u30b9\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u3068DHCP\u30b5\u30fc\u30d0\u30fc<\/li>\n<\/ul>\n<\/div>\n
                              \u91cd\u8981\u306a\u306e\u306f\u3001\u30d3\u30b8\u30cd\u30b9\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30fb\u30d1\u30bf\u30fc\u30f3\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30d5\u30ed\u30fc\u69cb\u9020\u3092\u8003\u616e\u3059\u308b\u3053\u3068\u3060\u3002<\/span><\/div>\n
                              \n

                              05\uff5c\u5b9f\u8df5\u7684\u306a\u914d\u5099\u306e\u3059\u3059\u3081<\/h2>\n<\/div>\n
                              \n
                                \n
                              • \u30b3\u30a2\u30ec\u30a4\u30e4\u30fc\u30fb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3046\u307e\u304f\u6a5f\u80fd\u3059\u308b\u304c\u3001\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30c7\u30d0\u30a4\u30b9\uff0b\u660e\u78ba\u306a\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\uff0b\u5341\u5206\u306a\u30ea\u30bd\u30fc\u30b9\u304c\u5fc5\u8981<\/li>\n
                              • \u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30ec\u30a4\u30e4\u30fc\u30fb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u3001\u5404\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30fb\u30b9\u30a4\u30c3\u30c1\u306f\u81ea\u8eab\u306eVLAN\u306e\u307f\u3092\u7ba1\u7406\u3057\u3001\u30af\u30ed\u30b9\u30ea\u30fc\u30b8\u30e7\u30f3\u306e\u6df7\u5728\u3092\u907f\u3051\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n
                              • \u30a2\u30af\u30bb\u30b9\u30fb\u30ec\u30a4\u30e4\u30fc\u30fb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u5c0f\u898f\u6a21\uff0f\u72ec\u7acb\u30bb\u30b0\u30e1\u30f3\u30c8\uff0f\u30d6\u30e9\u30f3\u30c1\u30fb\u30ce\u30fc\u30c9\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u63a8\u5968\u3055\u308c\u308b\u3002<\/li>\n
                              • \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5197\u9577\u5316\u3092\u5b9f\u65bd\u3059\u308b\u5834\u5408\u306f\u3001\u9ad8\u53ef\u7528\u6027\u306e\u305f\u3081\u306bVRRP\u307e\u305f\u306fHVRRP\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3092\u5fd8\u308c\u306a\u3044\u3067\u304f\u3060\u3055\u3044\u3002<\/li>\n<\/ul>\n<\/div>\n
                                \n

                                \u6700\u7d42\u7684\u306a\u611f\u60f3<\/h2>\n<\/div>\n
                                \u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u914d\u7f6e\u306f\u6063\u610f\u7684\u306b\u6c7a\u3081\u3089\u308c\u308b\u3082\u306e\u3067\u306f\u306a\u3044\u3002<\/span><\/div>\n
                                \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30fb\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u5168\u4f53\u304c\u5408\u7406\u7684\u3067\u3042\u308b\u3053\u3068\u3001\u30d3\u30b8\u30cd\u30b9\u30fb\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u30b9\u30e0\u30fc\u30ba\u306b\u6d41\u308c\u308b\u3053\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u8ca0\u8377\u306b\u8010\u3048\u3089\u308c\u308b\u3053\u3068\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u7ba1\u7406\u53ef\u80fd\u3067\u3042\u308b\u3053\u3068\u3092\u4fdd\u8a3c\u3059\u308b\u3053\u3068\u304c\u542b\u307e\u308c\u308b\u3002<\/span><\/div>\n
                                \u8981\u7d04\u3059\u308b\u3068<\/span><\/div>\n
                                \u5c0f\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30c3\u30b8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u4e2d\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4 \u5927\u898f\u6a21\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b3\u30a2\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/span><\/div>\n
                                \u512a\u308c\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306f\u6df7\u4e71\u3092\u9632\u304e\u3001\u62e1\u5f35\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u5bb9\u6613\u306b\u3059\u308b\u3002<\/span><\/div>\n
                                <\/div>\n
                                <\/div>","protected":false},"excerpt":{"rendered":"

                                If you’ve ever wondered: Can aggregation switches handle VLANIF interfaces? Will using the core as a gateway overburden it? Is it secure to place gateways at the access layer? After reading this article, you’ll be able to determine where and how to properly deploy your gateways. 01 | First, Let’s Clarify: What Is a Gateway’s Purpose? Simply put: A gateway serves as a subnet’s exit point, allowing you to access other network segments. Technically, it manifests as a VLANIF interface\u2014a Layer 3 logical interface configured on a device to enable L3 forwarding. Whichever device hosts this interface becomes the “gateway” for that VLAN. 02 | What Do Three Mainstream Gateway […]<\/p>\n","protected":false},"author":1,"featured_media":3878,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"themepark_post_bcolor":"#f5f5f5","themepark_post_width":"1022px","themepark_post_img":"","themepark_post_img_po":"left","themepark_post_img_re":false,"themepark_post_img_cover":false,"themepark_post_img_fixed":false,"themepark_post_hide_title":false,"themepark_post_main_b":"","themepark_post_main_p":100,"themepark_paddingblock":false,"footnotes":""},"categories":[16],"tags":[],"class_list":["post-3876","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"metadata":{"classic-editor-remember":["classic-editor"],"_edit_lock":["1751877483:1"],"_edit_last":["1"],"_thumbnail_id":["3878"],"themepark_seo_title":["Must Gateways Be Configured at the Core? A Complete Comparison of Gateway Deployment Across Different Architectures"],"themepark_seo_description":["Can aggregation switches handle VLANIF interfaces? Will using the core as a gateway overburden it? Is it secure to place gateways at the access layer?\r\nAfter reading this article, you'll be able to determine where and how to properly deploy your gateways."],"catce":["sidebar-widgets4"],"_yoast_wpseo_primary_category":["16"],"_yoast_wpseo_metadesc":["Can aggregation switches handle VLANIF interfaces? Will using the core as a gateway overburden it? Is it secure to place gateways at the access layer?After reading this article, you'll be able to determine where and how to properly deploy your gateways."],"_yoast_wpseo_content_score":["90"],"_yoast_wpseo_estimated-reading-time-minutes":["4"],"views":["6988"],"_wpml_word_count":["797"],"_trp_automatically_translated_slug_es_PE":["deben-configurarse-las-pasarelas-en-el-nucleo-una-comparacion-completa-de-la-implantacion-de-pasarelas-en-diferentes-arquitecturas"]},"yoast_head":"\nMust Gateways Be Configured at the Core? A Complete Comparison of Gateway Deployment Across Different Architectures - KEY-IOT<\/title>\n<meta name=\"description\" content=\"Can aggregation switches handle VLANIF interfaces? Will using the core as a gateway overburden it? 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