{"id":1329,"date":"2026-09-29T06:04:33","date_gmt":"2026-09-29T06:04:33","guid":{"rendered":"https:\/\/junglelabs.uk\/"},"modified":"2026-09-29T06:04:33","modified_gmt":"2026-09-29T06:04:33","slug":"what-is-a-default-gateway","status":"publish","type":"post","link":"https:\/\/junglelabs.uk\/ja\/what-is-a-default-gateway\/","title":{"rendered":"\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u306f\u4f55\u304b\uff1f\u305d\u306e\u4ed5\u7d44\u307f\u3068\u81ea\u5206\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u898b\u65b9"},"content":{"rendered":"<p 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class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0\u306b\u304a\u3044\u3066\u57fa\u672c\u7684\u3060\u304c\u91cd\u8981\u306a\u90e8\u54c1\u3067\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u95a2\u4fc2\u3057\u3066\u3044\u307e\u3059\u304c\u3001\u305d\u308c\u3089\u3068\u306f\u540c\u3058\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305d\u308c\u304c\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3059\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u30ed\u30fc\u30ab\u30eb\u30d7\u30ea\u30f3\u30bf\u306b\u63a5\u7d9a\u3067\u304d\u308b\u304c\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306b\u306f\u63a5\u7d9a\u3067\u304d\u306a\u3044\u7406\u7531\u3001\u8aa4\u3063\u305f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u8a2d\u5b9a\u304c\u63a5\u7d9a\u3092\u59a8\u3052\u308b\u7406\u7531\u3001\u304a\u3088\u3073\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u78ba\u8a8d\u3059\u308b\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u52a9\u3051\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u30ac\u30a4\u30c9\u3067\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u3084\u3055\u3057\u3044\u8a00\u8449\u3067\u8aac\u660e\u3057\u3001Windows\u3001macOS\u3001Linux\u3067\u306e\u898b\u3064\u3051\u65b9\u3092\u793a\u3057\u3001\u57fa\u672c\u7684\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3044\u307e\u3059\u3002\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u306b\u8a73\u3057\u304f\u306a\u3044\u5834\u5408\u306f\u3001\u307e\u305a\u79c1\u305f\u3061\u306e\u30ac\u30a4\u30c9\u3092\u8aad\u3093\u3067\u304f\u3060\u3055\u3044\u3002 <a href=\"https:\/\/junglelabs.uk\/ja\/what-is-a-subnet\/\">\u30b5\u30d6\u30cd\u30c3\u30c8\u3068\u306f\u4f55\u304b<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u306f\u4f55\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong> \u9001\u4fe1\u5143\u306e\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5916\u306b\u3042\u308b\u5b9b\u5148\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c7\u30d0\u30a4\u30b9\u3067\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30eb\u30fc\u30c8\u304c\u5229\u7528\u3067\u304d\u306a\u3044\u5834\u5408\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u3053\u308c\u306f\u30011\u3064\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u5225\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u30a8\u30b0\u30b8\u30c3\u30c8\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u305f\u3068\u3048\u3070\u3001\u3042\u306a\u305f\u306e\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u306b\u306f\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8IP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093 <code>192.168.1.25<\/code> \u304a\u3088\u3073\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5c5e\u3057\u3066\u3044\u307e\u3059 <code>192.168.1.0\/24<\/code>. \u30d7\u30ea\u30f3\u30bf\u30fc at <code>192.168.1.40<\/code> 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<strong>\u30c7\u30d5\u30a9\u30eb\u30c8<\/strong> \u91cd\u8981\u3067\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b\u306f\u3001\u7570\u306a\u308b\u5b9b\u5148\u306b\u5bfe\u3057\u3066\u8907\u6570\u306e\u30eb\u30fc\u30c8\u3092\u6301\u3064\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4f1a\u793e\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092VPN\u7d4c\u7531\u3067\u63a5\u7d9a\u3059\u308b\u7279\u5b9a\u306e\u30eb\u30fc\u30c8\u3068\u3001\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u306e\u5225\u306e\u30eb\u30fc\u30c8\u3092\u6301\u3064\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u306f\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30eb\u30fc\u30c8\u306b\u4e00\u81f4\u3057\u306a\u3044\u5b9b\u5148\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002IPv4\u30b7\u30b9\u30c6\u30e0\u3067\u306f\u3001\u3053\u308c\u306f\u4e00\u822c\u7684\u306b <code>0.0.0.0\/0<\/code>IPv6\u3067\u306f\u3001\u5bfe\u5fdc\u3059\u308b\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u306f <code>::\/0<\/code>.<\/p>\n\n\n\n<p 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class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3069\u306e\u3088\u3046\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304c\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u3068\u304d\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u5b9b\u5148\u30a2\u30c9\u30ec\u30b9\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u3092\u53c2\u7167\u3057\u307e\u3059\u3002\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u3001\u7570\u306a\u308b\u5b9b\u5148\u306b\u5bfe\u3057\u3066\u3069\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304a\u3088\u3073\u6b21\u306e\u30db\u30c3\u30d7\u3092\u4f7f\u7528\u3059\u3079\u304d\u304b\u306b\u95a2\u3059\u308b\u60c5\u5831\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9b\u5148\u304c\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306e\u30ed\u30fc\u30ab\u30eb\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u542b\u307e\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u901a\u5e38\u3001\u30c7\u30fc\u30bf\u3092\u5b9b\u5148\u30c7\u30d0\u30a4\u30b9\u306b\u76f4\u63a5\u9001\u4fe1\u3067\u304d\u307e\u3059\u3002\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u5916\u306b\u3042\u308b\u5834\u5408\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u4e00\u81f4\u3059\u308b\u30eb\u30fc\u30c8\u3092\u63a2\u3057\u307e\u3059\u3002\u3088\u308a\u5177\u4f53\u7684\u306a\u30eb\u30fc\u30c8\u304c\u306a\u304f\u306a\u3063\u305f\u5834\u5408\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u901a\u5e38\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5168\u4f53\u3092\u901a\u3058\u3066\u30d1\u30b1\u30c3\u30c8\u3092\u6700\u7d42\u7684\u306a\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u76f4\u63a5\u9001\u4fe1\u3057\u307e\u305b\u3093\u3002\u4ee3\u308f\u308a\u306b\u3001\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u9001\u4fe1\u3057\u307e\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u81ea\u8eab\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u60c5\u5831\u3092\u78ba\u8a8d\u3057\u3001\u30d1\u30b1\u30c3\u30c8\u3092\u5225\u306e\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306b\u8ee2\u9001\u3057\u307e\u3059\u3002\u30d1\u30b1\u30c3\u30c8\u306f\u3001\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u307e\u3067\u306b\u591a\u304f\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u901a\u904e\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7c21\u7565\u306a\u30d1\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3042\u306a\u305f\u306e\u30c7\u30d0\u30a4\u30b9<br>\u2193<br>\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<br>\u2193<br>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u307e\u305f\u306f\u7d44\u7e54\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<br>\u2193<br>\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<br>\u2193<br>\u5b9b\u5148\u30b5\u30fc\u30d0\u30fc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fdc\u7b54\u306f\u3001\u305d\u306e\u9053\u3067\u884c\u308f\u308c\u305f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6c7a\u5b9a\u306b\u5f93\u3063\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u623b\u308a\u307e\u3059\u3002\u623b\u308b\u7d4c\u8def\u306f\u3001\u51fa\u529b\u7d4c\u8def\u3068\u5b8c\u5168\u306b\u540c\u3058\u4e2d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f7f\u7528\u3059\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u4e3b\u306a\u5f79\u5272\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u3067\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u8ee2\u9001\u3067\u3059\u3002\u4ed6\u306e\u6a5f\u80fd\u3001\u4f8b\u3048\u3070\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u306e\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\u5909\u63db\uff08NAT\uff09\u3001VPN\u51e6\u7406\u3001\u307e\u305f\u306fWi-Fi\u7ba1\u7406\u3082\u884c\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u5bb6\u5ead\u7528\u30eb\u30fc\u30bf\u30fc\u3067\u3088\u304f\u7d71\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u304c\u3001\u6280\u8853\u7684\u306b\u306f\u5225\u3005\u306e\u30bf\u30b9\u30af\u3067\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304cNAT\u3092\u5b9f\u884c\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3057\u3001NAT\u3092\u5b9f\u884c\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u5fc5\u305a\u3057\u3082\u5927\u304d\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u552f\u4e00\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u30eb\u30fc\u30bf\u30fc\u3001IP\u30a2\u30c9\u30ec\u30b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <strong>\u30eb\u30fc\u30bf\u30fc<\/strong> IP\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u307e\u305f\u306f\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30b7\u30b9\u30c6\u30e0\u3067\u3059\u3002A <strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong> \u30c7\u30d0\u30a4\u30b9\u304c\u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u30a8\u30b0\u30ec\u30b9\u7d4c\u8def\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u6b21\u306e\u30db\u30c3\u30d7\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u30db\u30fc\u30e0\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u304c\u4e00\u822c\u7684\u306b\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u3057\u3066\u8a2d\u5b9a\u3055\u308c\u308b\u305f\u3081\u3001\u65e5\u5e38\u7684\u306a\u4f1a\u8a71\u3067\u306f\u3053\u308c\u3089\u306e\u7528\u8a9e\u306f\u3057\u3070\u3057\u3070\u5165\u308c\u66ff\u3048\u3066\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u81ea\u4f53\u3082\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u6301\u3063\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u30db\u30fc\u30e0\u30eb\u30fc\u30bf\u30fc\u306f <code>192.168.1.1<\/code>\u3001\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30d0\u30a4\u30b9\u306f\u6b21\u306e\u30a2\u30c9\u30ec\u30b9\u3092\u53d7\u3051\u53d6\u308a\u307e\u3059 <code>192.168.1.25<\/code> \u307e\u305f\u306f <code>192.168.1.60<\/code>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u305d\u308c\u3092\u4f7f\u7528\u3059\u308b\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304b\u3089\u5230\u9054\u53ef\u80fd\u3067\u306a\u3051\u308c\u3070\u306a\u3089\u306a\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IP\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u307e\u305f\u306f\u30a8\u30f3\u30c9\u30dd\u30a4\u30f3\u30c8\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u30b5\u30d6\u30cd\u30c3\u30c8\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u306e\u7bc4\u56f2\u3092\u8aac\u660e\u3057\u307e\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u3001\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u7bc4\u56f2\u5185\u3067\u306f\u306a\u3044\u5834\u5408\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u3069\u3053\u3078\u884c\u304f\u3079\u304d\u304b\u3092\u8b58\u5225\u3057\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u6982\u5ff5\u306f\u4e00\u7dd2\u306b\u52d5\u4f5c\u3057\u307e\u3059\u304c\u3001\u7570\u306a\u308b\u8cea\u554f\u306b\u7b54\u3048\u307e\u3059:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>IP\u30a2\u30c9\u30ec\u30b9:<\/strong> \u3053\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305f\u30a2\u30c9\u30ec\u30b9\u306f\u3069\u308c\u3067\u3059\u304b\uff1f<\/li>\n\n\n\n<li><strong>\u30b5\u30d6\u30cd\u30c3\u30c8\uff1a<\/strong> \u3069\u306e\u30a2\u30c9\u30ec\u30b9\u304c\u30ed\u30fc\u30ab\u30eb\u3068\u307f\u306a\u3055\u308c\u307e\u3059\u304b\uff1f<\/li>\n\n\n\n<li><strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4:<\/strong> \u4ed6\u306e\u76ee\u7684\u5730\u3078\u306e\u4ea4\u901a\u306f\u3069\u3053\u306b\u9032\u3080\u3079\u304d\u3067\u3059\u304b\uff1f<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f8b\u3048\u3070\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306bIP\u30a2\u30c9\u30ec\u30b9\u304c\u3042\u308b\u5834\u5408 <code>192.168.1.25<\/code> \u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u4ed8\u304d <code>255.255.255.0<\/code>\u3001\u901a\u5e38\u306f\u306e\u4e00\u90e8\u3067\u3059 <code>192.168.1.0\/24<\/code>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u3088\u3046\u306a <code>192.168.1.1<\/code> \u305d\u306e\u30ed\u30fc\u30ab\u30eb\u7bc4\u56f2\u5185\u306b\u3042\u308b\u305f\u3081\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u76f4\u63a5\u30a2\u30af\u30bb\u30b9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u79c1\u305f\u3061\u306e\u30ac\u30a4\u30c9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/junglelabs.uk\/ja\/what-is-an-ip-address-a-complete-beginners-guide\/\">IP\u30a2\u30c9\u30ec\u30b9<\/a> \u304a\u3088\u3073 <a href=\"https:\/\/junglelabs.uk\/ja\/ipv4-vs-ipv6-guide\/\">IPv4 vs IPv6<\/a>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30d0\u30a4\u30b9\u304c\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u304b\u3069\u3046\u304b\u3092\u3069\u306e\u3088\u3046\u306b\u77e5\u308b\u304b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u3001\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u304b\u3069\u3046\u304b\u3092\u5224\u65ad\u3059\u308b\u305f\u3081\u306b\u3001\u81ea\u8eab\u306eIP\u30a2\u30c9\u30ec\u30b9\u3068\u30b5\u30d6\u30cd\u30c3\u30c8\u60c5\u5831\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u307e\u305f\u306f\u30d7\u30ec\u30d5\u30a3\u30c3\u30af\u30b9\u9577\u306f\u3001\u30a2\u30c9\u30ec\u30b9\u306e\u3069\u306e\u90e8\u5206\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8b58\u5225\u3059\u308b\u304b\u3092\u793a\u3057\u307e\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u3001\u5b9b\u5148\u3092\u81ea\u8eab\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7bc4\u56f2\u3068\u6bd4\u8f03\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9b\u5148\u304c\u540c\u3058\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5c5e\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4ecb\u3057\u3066\u76f4\u63a5\u5230\u9054\u3057\u3088\u3046\u3068\u3057\u307e\u3059\u3002\u5225\u306e\u30b5\u30d6\u30cd\u30c3\u30c8\u306b\u5c5e\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30bf\u30fc\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002\u901a\u5e38\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u5b9b\u5148\u306e\u5834\u5408\u3001\u305d\u306e\u30eb\u30fc\u30bf\u30fc\u306f\u901a\u5e38\u30c7\u30d5\u30a9\u30eb\u30c8\u7d4c\u8def\u306b\u3088\u3063\u3066\u9078\u629e\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u9055\u3044\u304c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u6b63\u3057\u304f\u8a2d\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308b\u7406\u7531\u3092\u8aac\u660e\u3057\u3066\u3044\u307e\u3059\u3002IP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u304c\u9593\u9055\u3063\u3066\u3044\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u307e\u305f\u306f\u30ea\u30e2\u30fc\u30c8\u3067\u3042\u308b\u3068\u8aa4\u3063\u3066\u5224\u65ad\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30eb\u30fc\u30bf\u30fc\u3092\u4f7f\u7528\u3059\u3079\u304d\u3068\u304d\u306b\u5b9b\u5148\u306b\u76f4\u63a5\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u304b\u3001\u30ed\u30fc\u30ab\u30eb\u306b\u901a\u4fe1\u3059\u3079\u304d\u3068\u304d\u306b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u9001\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\u306f\u3001IPv4\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067DHCP\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u306b\u3088\u3063\u3066\u81ea\u52d5\u7684\u306b\u63d0\u4f9b\u3055\u308c\u308b\u3053\u3068\u304c\u4e00\u822c\u7684\u3067\u3059\u3002DHCP\u306f\u3001\u30c7\u30d0\u30a4\u30b9\u306bIP\u30a2\u30c9\u30ec\u30b9\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001DNS\u89e3\u6c7a\u8005\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002\u3053\u308c\u3089\u306e\u8a2d\u5b9a\u304c\u624b\u52d5\u3067\u69cb\u6210\u3055\u308c\u308b\u5834\u5408\u3001\u5404\u5024\u306f\u5b9f\u969b\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3068\u4e00\u81f4\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Windows\u3067\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u898b\u65b9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Windows\u3067\u306f\u3001\u6700\u3082\u901f\u3044\u65b9\u6cd5\u306f\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u30b9\u30bf\u30fc\u30c8\u30e1\u30cb\u30e5\u30fc\u3092\u958b\u304d\u3001\u691c\u7d22\u3057\u3066 <strong>\u30b3\u30de\u30f3\u30c9\u30d7\u30ed\u30f3\u30d7\u30c8<\/strong>\u3001\u5b9f\u884c\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ipconfig<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c0\u30d7\u30bf\u30fc\u3092\u691c\u7d22\u3059\u308b\u306b\u306f\u3001\u4f8b\u3048\u3070 <strong>\u7121\u7ddaLAN\u30a2\u30c0\u30d7\u30bf Wi-Fi<\/strong> \u307e\u305f\u306f <strong>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u30a2\u30c0\u30d7\u30bf\u30fc \u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/strong>\u305d\u306e\u30a2\u30c0\u30d7\u30bf\u30fc\u306e\u4e0b\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044 <strong>\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong>. \u4f4f\u6240\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059 <code>192.168.1.1<\/code> \u307e\u305f\u306f <code>10.0.0.1<\/code>. \u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304cWi-Fi\u3068\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u4e21\u65b9\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u305f\u3044\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u73fe\u5728\u904b\u3093\u3067\u3044\u308b\u30a2\u30c0\u30d7\u30bf\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">PowerShell\u3092\u4f7f\u7528\u3057\u3066\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Get-NetRoute -DestinationPrefix \"0.0.0.0\/0\" |\n  Sort-Object RouteMetric |\n  Format-Table InterfaceAlias, NextHop, RouteMetric<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u305d\u308c <code>NextHop<\/code> \u5024\u306f\u305d\u306e\u30eb\u30fc\u30c8\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3067\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304cIPv6\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u6b21\u306e\u30b3\u30de\u30f3\u30c9\u3067IPv6\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Get-NetRoute -DestinationPrefix \"::\/0\" | Sort-Object RouteMetric | Format-Table InterfaceAlias, NextHop, RouteMetric<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30d5\u30a3\u30fc\u30eb\u30c9\u304c\u7a7a\u306e\u5834\u5408\u306f\u3001\u30a2\u30c0\u30d7\u30bf\u30fc\u304c\u63a5\u7d9a\u3055\u308c\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u53d7\u4fe1\u3057\u305f\u3053\u3068\u3092\u307e\u305a\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u30a2\u30c0\u30d7\u30bf\u30fc\u3084\u8a2d\u5b9a\u304c\u4e0d\u5b8c\u5168\u306a\u624b\u52d5\u3067\u69cb\u6210\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5834\u5408\u3001\u4f7f\u7528\u53ef\u80fd\u306a\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u8868\u793a\u3055\u308c\u306a\u3044\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">macOS\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">macOS\u3067\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u4f7f\u7528\u3057\u3066IPv4\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u30eb\u30fc\u30c8 -n \u65e2\u5b9a\u306e\u53d6\u5f97<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u30e9\u30d9\u30eb\u304c\u4ed8\u3051\u3089\u308c\u305f\u884c\u3092\u63a2\u3057\u3066\u304f\u3060\u3055\u3044 <code>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/code>. It shows the next-hop address for the current IPv4 default route. The output may also include the network interface used for the route.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u306b\u306f\u3001\u6b21\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>route -n get -inet6 default<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">macOS\u306e\u30e6\u30fc\u30b6\u30fc\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u901a\u3058\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8a73\u7d30\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002\u958b\u304f <strong>\u30b7\u30b9\u30c6\u30e0\u8a2d\u5b9a<\/strong>\u3001\u9078\u629e <strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af<\/strong>\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u63a5\u7d9a\uff08Wi-Fi \u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\uff09\u3092\u9078\u629e\u3057\u3001\u305d\u306e\u8a73\u7d30\u3092\u8868\u793a\u3057\u307e\u3059\u3002\u30ec\u30a4\u30a2\u30a6\u30c8\u306fmacOS\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u306b\u3088\u3063\u3066\u308f\u305a\u304b\u306b\u7570\u306a\u308a\u307e\u3059\u304c\u3001\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u60c5\u5831\u306f\u63a5\u7d9a\u306eTCP\/IP\u8a2d\u5b9a\u3068\u3068\u3082\u306b\u8868\u793a\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">VPN\u3092\u4f7f\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u7d50\u679c\u306f\u3001\u7269\u7406\u7684\u306aWi-Fi\u307e\u305f\u306f\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u63a5\u7d9a\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u4e00\u90e8\u306eVPN\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304cVPN\u3092\u7d4c\u7531\u3059\u308b\u3088\u3046\u306b\u65b0\u3057\u3044\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u307e\u3059\u3002\u4ed6\u306eVPN\u3067\u306f\u3001\u30c8\u30f3\u30cd\u30eb\u3092\u4ecb\u3057\u3066\u9078\u629e\u3055\u308c\u305f\u5b9b\u5148\u306e\u307f\u304c\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u308c\u307e\u3059\u3002\u7279\u5b9a\u306e\u63a5\u7d9a\u3092\u8a3a\u65ad\u3059\u308b\u969b\u306b\u306f\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30eb\u30fc\u30c8\u304a\u3088\u3073\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Linux\u3067\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u898b\u3064\u3051\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u307b\u3068\u3093\u3069\u306e\u73fe\u4ee3\u306eLinux\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u30bf\u30fc\u30df\u30ca\u30eb\u3092\u958b\u304d\u3001\u6b21\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip route show default<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u7684\u306aIPv4\u306e\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>default via 192.168.1.1 dev wlan0 proto dhcp metric 600<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3053\u306b <code>192.168.1.1<\/code> \u6b21\u306e\u30db\u30c3\u30d7\u3067\u3042\u308a\u3001 <code>wlan0<\/code> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3067\u3059\u3002\u30eb\u30fc\u30c8\u306f\u3001\u4f8b\u3048\u3070\u5225\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u540d\u3092\u4f7f\u7528\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002 <code>eth0<\/code>, <code>enp3s0<\/code>\u3001\u307e\u305f\u306f <code>wlp2s0<\/code>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u8868\u793a\u3059\u308b\u306b\u306f\u3001\u6b21\u3092\u5b9f\u884c\u3057\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip -6 route show default<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u306e\u7d50\u679c\u306f\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u30c7\u30d5\u30a9\u30eb\u30c8\u306f fe80::1 \u901a\u8fc7 wlan0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">IPv6 gateways are often link-local addresses beginning with <code>fe80::<\/code>. A link-local address is valid on the local network segment and is commonly used by routers to advertise themselves to IPv6 devices.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e4\u3044Linux\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059 <code>\u30eb\u30fc\u30c8 -n<\/code> \u307e\u305f\u306f <code>netstat -rn<\/code>\u3001\u3057\u304b\u3057 <code>ip route<\/code> \u30b3\u30de\u30f3\u30c9\u306f\u3001\u307b\u3068\u3093\u3069\u306e\u30c7\u30a3\u30b9\u30c8\u30ea\u30d3\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u306e\u73fe\u5728\u306e\u6a19\u6e96\u3067\u3059\u3002\u51fa\u529b\u304c\u7a7a\u306e\u5834\u5408\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30eb\u30fc\u30bf\u30fc\u307e\u305f\u306fDHCP\u69cb\u6210\u3092\u53d7\u4fe1\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068DNS\u30b5\u30fc\u30d0\u30fc\u306e\u9055\u3044\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068DNS\u30b5\u30fc\u30d0\u30fc\u306f\u7570\u306a\u308b\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002 <strong>\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4<\/strong> \u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8ee2\u9001\u3057\u307e\u3059\u3002A <strong>DNS\u30b5\u30fc\u30d0\u30fc<\/strong> \u30c9\u30e1\u30a4\u30f3\u540d\u3092\u7ffb\u8a33\u3057\u3001\u4f8b\u3048\u3070 <code>example.com<\/code>\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u304c\u30b5\u30fc\u30d3\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u5909\u63db\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u3057\u3070\u3057\u3070\u4e21\u65b9\u306e\u6a5f\u80fd\u3092\u5fc5\u8981\u3068\u3057\u307e\u3059\u3002\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u540d\u3092\u5165\u529b\u3059\u308b\u3068\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u307e\u305aDNS\u3092\u4f7f\u7528\u3057\u3066\u5b9b\u5148\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u691c\u7d22\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u304c\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u304b\u30ea\u30e2\u30fc\u30c8\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002\u3082\u3057\u30ea\u30e2\u30fc\u30c8\u3067\u3042\u308c\u3070\u3001\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u9001\u4fe1\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u9055\u3044\u306f\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304c\u3001\u30c9\u30e1\u30a4\u30f3\u540d\u3067\u30a6\u30a7\u30d6\u30b5\u30a4\u30c8\u304c\u8aad\u307f\u8fbc\u307e\u308c\u306a\u3044\u5834\u5408\u306f\u3001DNS\u304c\u554f\u984c\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u516c\u958bIP\u30a2\u30c9\u30ec\u30b9\u306b\u3082\u30c9\u30e1\u30a4\u30f3\u540d\u306b\u3082\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u5834\u5408\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u63a5\u7d9a\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u4e0a\u6d41\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u307e\u305f\u306f\u4ed6\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u554f\u984c\u3067\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">DNS\u30b5\u30fc\u30d0\u30fc\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u901a\u5e38\u306f\u8aa4\u3063\u305f\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u4fee\u6b63\u3055\u308c\u307e\u305b\u3093\u3002\u540c\u69d8\u306b\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u5909\u66f4\u3057\u3066\u3082\u3001\u8aa4\u3063\u305fDNS\u30ec\u30b3\u30fc\u30c9\u306f\u4fee\u6b63\u3055\u308c\u307e\u305b\u3093\u3002\u3053\u308c\u3089\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3092\u4e00\u5ea6\u306b\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u3092\u5909\u66f4\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u5225\u3005\u306b\u30c6\u30b9\u30c8\u3059\u308b\u306e\u304c\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u5230\u9054\u53ef\u80fd\u304b\u3069\u3046\u304b\u3092\u30c6\u30b9\u30c8\u3059\u308b\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30a2\u30c9\u30ec\u30b9\u3092\u78ba\u8a8d\u3057\u305f\u5f8c\u3001\u30c7\u30d0\u30a4\u30b9\u304c\u305d\u308c\u3092\u53c2\u7167\u3067\u304d\u308b\u304b\u30c6\u30b9\u30c8\u3067\u304d\u307e\u3059\u3002Windows\u3067\u306f\u3001\u6b21\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ping 192.168.1.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">macOS\u307e\u305f\u306fLinux\u3067\u306f\u3001\u540c\u3058\u30b3\u30de\u30f3\u30c9\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ping 192.168.1.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f6e\u304d\u63db\u3048\u308b <code>192.168.1.1<\/code> \u30c7\u30d0\u30a4\u30b9\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002IPv6\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u5834\u5408\u3001\u305d\u306eIPv6\u30a2\u30c9\u30ec\u30b9\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002Linux\u3084macOS\u3067\u306f\u3001\u30ea\u30f3\u30af\u30ed\u30fc\u30ab\u30ebIPv6\u30a2\u30c9\u30ec\u30b9\u306e\u5834\u5408\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u307e\u305f\u306f\u30be\u30fc\u30f3\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u4f8b\u3048\u3070\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ping6 fe80::1%wlan0<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6210\u529f\u3057\u305f\u5fdc\u7b54\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304b\u3089\u306e\u30d4\u30f3\u30b0\u306b\u5fdc\u7b54\u3057\u305f\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u30d4\u30f3\u30b0\u304c\u5931\u6557\u3057\u3066\u3082\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u30aa\u30d5\u30e9\u30a4\u30f3\u3067\u3042\u308b\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3084\u30eb\u30fc\u30bf\u30fc\u304cICMP\u30a8\u30b3\u30fc\u8981\u6c42\u3092\u30d6\u30ed\u30c3\u30af\u3057\u305f\u308a\u3001\u30ec\u30fc\u30c8\u5236\u9650\u3057\u305f\u308a\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002Wi-Fi\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u306e\u9694\u96e2\u306b\u3088\u308a\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u304c\u6b63\u5e38\u3067\u3082\u30c7\u30d0\u30a4\u30b9\u540c\u58eb\u304c\u76f8\u4e92\u306b\u5230\u9054\u3067\u304d\u306a\u304f\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ping\u3092\u552f\u4e00\u306e\u30c6\u30b9\u30c8\u3068\u3057\u3066\u4f7f\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u4e00\u3064\u306e\u624b\u304c\u304b\u308a\u3068\u3057\u3066\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u9069\u5207\u306a\u5834\u5408\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u306e\u7ba1\u7406\u30da\u30fc\u30b8\u3092\u958b\u304d\u3001\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304b\u78ba\u8a8d\u3059\u308b\u304b\u3001\u65e2\u77e5\u306e\u5b9b\u5148\u3078\u306etraceroute\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Windows\u3067\u306f\u3001\u6b21\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>tracert 1.1.1.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">macOS\u307e\u305f\u306fLinux\u3067\u4f7f\u7528\u3059\u308b\u306b\u306f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>traceroute 1.1.1.1<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u521d\u306e\u30db\u30c3\u30d7\u306f\u901a\u5e38\u3001\u30ed\u30fc\u30ab\u30eb\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u307e\u305f\u306f\u30d1\u30b9\u4e0a\u306e\u6b21\u306e\u30eb\u30fc\u30bf\u30fc\u3092\u8868\u3057\u307e\u3059\u3002\u4e00\u90e8\u306e\u30eb\u30fc\u30bf\u30fc\u306f\u30c8\u30ec\u30fc\u30b9\u30eb\u30fc\u30c8\u30d7\u30ed\u30fc\u30d6\u306b\u5fdc\u7b54\u3057\u306a\u3044\u3053\u3068\u304c\u3042\u308b\u305f\u3081\u3001\u5fdc\u7b54\u304c\u306a\u3044\u5834\u5408\u3067\u3082\u6545\u969c\u306e\u8a3c\u62e0\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u822c\u7684\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u554f\u984c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u822c\u7684\u306a\u554f\u984c\u306e\u4e00\u3064\u306f\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u3053\u3068\u3067\u3059\u3002\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306f\u30ed\u30fc\u30ab\u30eb\u30b5\u30d6\u30cd\u30c3\u30c8\u4e0a\u306e\u30c7\u30d0\u30a4\u30b9\u3068\u306f\u901a\u4fe1\u3067\u304d\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3084\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001DHCP\u304c\u6b63\u5e38\u306b\u5b8c\u4e86\u3057\u306a\u304b\u3063\u305f\u5834\u5408\u3001\u624b\u52d5\u8a2d\u5b9a\u3067\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7701\u3044\u305f\u5834\u5408\u3001\u307e\u305f\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306b\u8d77\u3053\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2\u756a\u76ee\u306e\u554f\u984c\u306f\u3001\u8aa4\u3063\u305f\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u304c\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u5b58\u5728\u3057\u306a\u3044\u30a2\u30c9\u30ec\u30b9\u3092\u6307\u5b9a\u3057\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u3001\u30ea\u30e2\u30fc\u30c8\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u6b63\u5e38\u306b\u8ee2\u9001\u3067\u304d\u307e\u305b\u3093\u3002\u69cb\u6210\u3055\u308c\u305f\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u5916\u306b\u3042\u308b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3082\u3001\u305d\u306e\u914d\u7f6e\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u7279\u5225\u306a\u8a2d\u8a08\u304c\u306a\u3044\u9650\u308a\u5230\u9054\u4e0d\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5225\u306e\u554f\u984c\u306f\u3001\u8907\u6570\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u6301\u3064\u3053\u3068\u3067\u3059\u3002\u30e9\u30c3\u30d7\u30c8\u30c3\u30d7\u306b\u306f\u3001\u540c\u6642\u306bWi-Fi\u3001\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3001\u304a\u3088\u3073VPN\u304c\u6709\u52b9\u306b\u306a\u3063\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u30aa\u30da\u30ec\u30fc\u30c6\u30a3\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0\u306f\u3001\u30e1\u30c8\u30ea\u30af\u30b9\u3068\u30dd\u30ea\u30b7\u30fc\u306b\u57fa\u3065\u3044\u3066\u30eb\u30fc\u30c8\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c\u4e88\u671f\u3057\u306a\u3044\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u306f\u3001\u63a5\u7d9a\u304c\u9045\u3044\u3088\u3046\u306b\u898b\u3048\u308b\u3001\u9593\u9055\u3063\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3001\u307e\u305f\u306f\u5185\u90e8\u30b5\u30fc\u30d3\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u304c\u5931\u308f\u308c\u308b\u306a\u3069\u306e\u73fe\u8c61\u306b\u3064\u306a\u304c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6700\u5f8c\u306b\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u81ea\u4f53\u306f\u52d5\u4f5c\u3057\u3066\u3044\u308b\u304c\u3001\u4e0a\u6d41\u63a5\u7d9a\u304c\u6a5f\u80fd\u3057\u3066\u3044\u306a\u3044\u5834\u5408\u3082\u3042\u308b\u3002\u305d\u306e\u5834\u5408\u3001\u30c7\u30d0\u30a4\u30b9\u306f\u30ed\u30fc\u30ab\u30eb\u30eb\u30fc\u30bf\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304c\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u306f\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3002\u554f\u984c\u306e\u539f\u56e0\u306f\u30e2\u30c7\u30e0\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u63a5\u7d9a\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u30dd\u30ea\u30b7\u30fc\u3001DNS\u30b5\u30fc\u30d3\u30b9\u3001\u307e\u305f\u306f\u30ea\u30e2\u30fc\u30c8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3042\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u3002\u5404\u90e8\u54c1\u3092\u5225\u3005\u306b\u30c6\u30b9\u30c8\u3059\u308b\u3053\u3068\u3067\u3001\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3084\u3059\u304f\u306a\u308b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u7528\u7684\u306a\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u30d7\u30ed\u30bb\u30b9<\/h2>\n\n\n\n<p 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class=\"wp-block-heading\">\u30b3\u30f3\u30d4\u30e5\u30fc\u30bf\u306b1\u3064\u4ee5\u4e0a\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p 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class=\"wp-block-heading\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306fWi-Fi\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304b\uff1f<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5fc5\u305a\u3057\u3082\u305d\u3046\u3068\u306f\u9650\u308a\u307e\u305b\u3093\u3002\u30db\u30fc\u30e0\u7528\u306e\u30c7\u30d0\u30a4\u30b9\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30b9\u30a4\u30c3\u30c1\u3001Wi-Fi\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u30921\u53f0\u306b\u307e\u3068\u3081\u305f\u3082\u306e\u304c\u591a\u3044\u3067\u3059\u3002\u30d3\u30b8\u30cd\u30b9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u6a5f\u80fd\u306f\u901a\u5e38\u3001\u5225\u3005\u306e\u30c7\u30d0\u30a4\u30b9\u3067\u63d0\u4f9b\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 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class=\"wp-block-paragraph\">\u901a\u5e38\u306eIPv4\u304a\u3088\u3073IPv6\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u8a08\u3067\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u30ed\u30fc\u30ab\u30eb\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4ecb\u3057\u3066\u76f4\u63a5\u5230\u9054\u53ef\u80fd\u3067\u3042\u308a\u3001\u3053\u308c\u306f\u901a\u5e38\u3001\u540c\u3058\u30ea\u30f3\u30af\u307e\u305f\u306f\u30ed\u30fc\u30ab\u30eb\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u4e0a\u306b\u3042\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002\u7279\u5225\u306a\u8a2d\u8a08\u3067\u306f\u7570\u306a\u308b\u5834\u5408\u304c\u3042\u308b\u305f\u3081\u3001\u3059\u3079\u3066\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u5358\u7d14\u306a\u30db\u30fc\u30e0\u30eb\u30fc\u30bf\u30fc\u306e\u30d1\u30bf\u30fc\u30f3\u306b\u5f93\u3046\u3068\u4eee\u5b9a\u3059\u308b\u4ee3\u308f\u308a\u306b\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u6700\u5f8c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u306f\u3001\u30ed\u30fc\u30ab\u30eb\u30b5\u30d6\u30cd\u30c3\u30c8\u3092\u8d85\u3048\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5230\u9054\u3059\u308b\u305f\u3081\u306b\u30c7\u30d0\u30a4\u30b9\u304c\u4f7f\u7528\u3059\u308b\u6b21\u306e\u30db\u30c3\u30d7\u3067\u3059\u3002\u81ea\u5b85\u3067\u306f\u3001\u4e00\u822c\u7684\u306bWi-Fi\u30eb\u30fc\u30bf\u30fc\u306e\u30ed\u30fc\u30ab\u30eb\u30a2\u30c9\u30ec\u30b9\u3067\u3059\u3002\u4f01\u696d\u3001\u30c7\u30fc\u30bf\u30bb\u30f3\u30bf\u30fc\u3001\u307e\u305f\u306f\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u3067\u306f\u3001\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u3001\u30ec\u30a4\u30e4\u30fc3\u30b9\u30a4\u30c3\u30c1\u3001\u4eee\u60f3\u30eb\u30fc\u30bf\u30fc\u3001\u307e\u305f\u306f\u7ba1\u7406\u578b\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u30b5\u30fc\u30d3\u30b9\u3067\u3042\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u30c7\u30d0\u30a4\u30b9\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3001\u30b5\u30d6\u30cd\u30c3\u30c8\u60c5\u5831\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u30c6\u30fc\u30d6\u30eb\u3001\u304a\u3088\u3073\u30c7\u30d5\u30a9\u30eb\u30c8\u30eb\u30fc\u30c8\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u3069\u3053\u306b\u9001\u308b\u304b\u3092\u6c7a\u5b9a\u3057\u307e\u3059\u3002\u5b9b\u5148\u304c\u30ed\u30fc\u30ab\u30eb\u306e\u5834\u5408\u3001\u901a\u5e38\u306f\u76f4\u63a5\u901a\u4fe1\u3067\u304d\u307e\u3059\u3002\u5b9b\u5148\u304c\u30ea\u30e2\u30fc\u30c8\u3067\u3001\u3088\u308a\u5177\u4f53\u7684\u306a\u30eb\u30fc\u30c8\u304c\u9069\u7528\u3055\u308c\u306a\u3044\u5834\u5408\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306f\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306b\u9001\u4fe1\u3055\u308c\u307e\u3059\u3002\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306f\u6b21\u306e\u3088\u3046\u306b\u3057\u3066\u78ba\u8a8d\u3067\u304d\u307e\u3059 <code>ipconfig<\/code> Windows\u3067 <code>\u30eb\u30fc\u30c8 -n \u65e2\u5b9a\u306e\u53d6\u5f97<\/code> macOS\u4e0a\u3067\u3001\u307e\u305f\u306f <code>ip route show default<\/code> Linux\u3067\u52d5\u4f5c\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u3092\u884c\u3046\u969b\u306b\u306f\u3001\u30a2\u30af\u30c6\u30a3\u30d6\u306a\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3068\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u8a2d\u5b9a\u3092\u78ba\u8a8d\u3057\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3001\u5916\u90e8IP\u63a5\u7d9a\u6027\u3001DNS\u3092\u305d\u308c\u305e\u308c\u5225\u306b\u30c6\u30b9\u30c8\u3057\u3066\u304f\u3060\u3055\u3044\u3002\u5358\u306a\u308b\u30d4\u30f3\u30b0\u306e\u5931\u6557\u3060\u3051\u3067\u306f\u3001\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u304c\u30c0\u30a6\u30f3\u3057\u3066\u3044\u308b\u3053\u3068\u3092\u8a3c\u660e\u3067\u304d\u306a\u3044\u3053\u3068\u306b\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002ICMP\u304c\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3055\u308c\u3066\u3044\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30c7\u30d5\u30a9\u30eb\u30c8\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3092\u7406\u89e3\u3059\u308c\u3070\u3001IP\u30a2\u30c9\u30ec\u30b9\u3084\u30b5\u30d6\u30cd\u30c3\u30c8\u306e\u89e3\u91c8\u304c\u3088\u308a\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002\u79c1\u305f\u3061\u306e\u30ac\u30a4\u30c9\u3092\u7d9a\u3051\u3066\u304f\u3060\u3055\u3044 <a href=\"https:\/\/junglelabs.uk\/ja\/what-is-a-subnet\/\">\u30b5\u30d6\u30cd\u30c3\u30c8<\/a>, <a href=\"https:\/\/junglelabs.uk\/ja\/what-is-an-ip-address-a-complete-beginners-guide\/\">IP\u30a2\u30c9\u30ec\u30b9<\/a>\u3001 <a href=\"https:\/\/junglelabs.uk\/ja\/ipv4-vs-ipv6-guide\/\">IPv4 vs IPv6<\/a> \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u304a\u3044\u3066\u3088\u308a\u5f37\u56fa\u306a\u57fa\u76e4\u3092\u7bc9\u304f\u305f\u3081\u306b<\/p>","protected":false},"excerpt":{"rendered":"<p>When a laptop joins a home Wi-Fi network, it can usually communicate with other devices on that network. But when it needs to load a website, reach a cloud service, or connect to a server in another country, its data must leave the local network and travel elsewhere. The device needs to know where to send traffic that is not addressed to a nearby device. That next stop is usually the default gateway. On a home network, it is often the Wi-Fi router. In an office or data centre, it may be a firewall, a Layer 3 switch, a virtual router, or another managed network device. The gateway provides a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1330,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"What Is a Default Gateway? How It Works and How to Find Yours","_seopress_titles_desc":"Learn what a default gateway is, how it connects local devices to other networks, and how to find and troubleshoot it on Windows, macOS, and Linux.","_seopress_robots_index":"","_seopress_robots_follow":"","_seopress_robots_imageindex":"","_seopress_robots_snippet":"","_seopress_robots_primary_cat":"","_seopress_robots_breadcrumbs":"","_seopress_robots_freeze_modified_date":"","_seopress_robots_custom_modified_date":"","_seopress_robots_canonical":"","_seopress_social_fb_title":"","_seopress_social_fb_desc":"","_seopress_social_fb_img":"","_seopress_social_fb_img_attachment_id":0,"_seopress_social_fb_img_width":0,"_seopress_social_fb_img_height":0,"_seopress_social_twitter_title":"","_seopress_social_twitter_desc":"","_seopress_social_twitter_img":"","_seopress_social_twitter_img_attachment_id":0,"_seopress_social_twitter_img_width":0,"_seopress_social_twitter_img_height":0,"_seopress_redirections_value":"","_seopress_redirections_enabled":"","_seopress_redirections_enabled_regex":"","_seopress_redirections_logged_status":"","_seopress_redirections_param":"","_seopress_redirections_type":0,"_seopress_analysis_target_kw":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1329","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-article"],"_links":{"self":[{"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/posts\/1329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/comments?post=1329"}],"version-history":[{"count":1,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/posts\/1329\/revisions"}],"predecessor-version":[{"id":1331,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/posts\/1329\/revisions\/1331"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/media\/1330"}],"wp:attachment":[{"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/media?parent=1329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/categories?post=1329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/junglelabs.uk\/ja\/wp-json\/wp\/v2\/tags?post=1329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}