{"id":227,"date":"2026-01-16T20:27:38","date_gmt":"2026-01-16T11:27:38","guid":{"rendered":"https:\/\/venu-sys.co.jp\/knowledge\/?post_type=glossary&#038;p=227"},"modified":"2026-02-05T20:36:04","modified_gmt":"2026-02-05T11:36:04","slug":"l2-switch","status":"publish","type":"glossary","link":"https:\/\/venu-sys.co.jp\/knowledge\/glossary\/l2-switch\/","title":{"rendered":"L2\u30b9\u30a4\u30c3\u30c1"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">\u3010\u56f3\u89e3\u3011L2\u30b9\u30a4\u30c3\u30c1\u3068\u306f\uff1fL3\u30b9\u30a4\u30c3\u30c1\u30fb\u30cf\u30d6\u3068\u306e\u9055\u3044\u3084\u5f79\u5272\u3001\u9078\u5b9a\u57fa\u6e96\u3092\u30d7\u30ed\u304c\u5fb9\u5e95\u89e3\u8aac<\/h1>\n\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306f\u3069\u306e\u3088\u3046\u306a\u88c5\u7f6e\uff1f<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>L3\u30b9\u30a4\u30c3\u30c1\u3084\u30cf\u30d6\u3068\u4f55\u304c\u9055\u3046\u306e\u304b\u3001\u6b63\u78ba\u306b\u8aac\u660e\u3067\u304d\u306a\u3044<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n<div class=\"swell-block-balloon\"><div class=\"c-balloon -bln-left\" data-col=\"blue\"><div class=\"c-balloon__body -speaking -border-none\"><div class=\"c-balloon__text\">\n<p>\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u69cb\u7bc9\u3059\u308b\u305f\u3081\u306b\u3001L2\u30b9\u30a4\u30c3\u30c1\u306e\u6700\u9069\u306a\u6d3b\u7528\u65b9\u6cd5\u3092\u77e5\u308a\u305f\u3044<\/p>\n<span class=\"c-balloon__shapes\"><span class=\"c-balloon__before\"><\/span><span class=\"c-balloon__after\"><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u306e\u969b\u306b\u51fa\u3066\u304f\u308b\u7528\u8a9e\u3068\u3057\u3066\u3001L2\u30b9\u30a4\u30c3\u30c1\u304c\u6319\u3052\u3089\u308c\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">L2\u30b9\u30a4\u30c3\u30c1\u306f\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3092\u3082\u3068\u306b\u30c7\u30fc\u30bf\u3092\u632f\u308a\u5206\u3051\u308b\u5f79\u5272\u306e\u3042\u308b\u88c5\u7f6e<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u5728\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u52c9\u5f37\u3092\u3057\u3066\u3044\u308b\u4eba\u3067L2\u30b9\u30a4\u30c3\u30c1\u306e\u5177\u4f53\u7684\u306a\u4ed5\u7d44\u307f\u3084\u3001L3\u30b9\u30a4\u30c3\u30c1\u3001\u30cf\u30d6\u3068\u306f\u4f55\u304c\u7570\u306a\u308b\u306e\u304b\u308f\u304b\u3089\u306a\u3044\u4eba\u3082\u5c11\u306a\u304f\u306a\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001L2\u30b9\u30a4\u30c3\u30c1\u306e\u5b9a\u7fa9\u3001\u5404\u6a5f\u5668\u3068\u306e\u9055\u3044\u3001\u5b9f\u52d9\u3067\u5fc5\u9808\u3068\u306a\u308b\u6a5f\u80fd\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_announce\">\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001L2\u30b9\u30a4\u30c3\u30c1\u306e\u4ed5\u7d44\u307f\u3084\u4ed6\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3068\u306e\u9055\u3044\u306b\u3064\u3044\u3066\u7406\u89e3\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">L2\u30b9\u30a4\u30c3\u30c1\u3068\u306fMAC\u30a2\u30c9\u30ec\u30b9\u3067\u30c7\u30fc\u30bf\u3092\u632f\u308a\u5206\u3051\u308b\u5b58\u5728<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-1024x572.jpg\" alt=\"L2\u30b9\u30a4\u30c3\u30c1\u306e\u753b\u50cf\" class=\"wp-image-245\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-80-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306f\u3001OSI\u53c2\u7167\u30e2\u30c7\u30eb\u306e\u7b2c2\u5c64\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff09\u3067\u52d5\u4f5c\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u3067\u3059\u3002<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u63a5\u7d9a\u3055\u308c\u305f\u6a5f\u5668\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u5b66\u7fd2\u3057\u3001\u7279\u5b9a\u306e\u5b9b\u5148\u306b\u5bfe\u3057\u3066\u306e\u307f\u30c7\u30fc\u30bf\u3092\u8ee2\u9001\u3059\u308b\u5f79\u5272<\/span><\/span><\/strong>\u3092\u62c5\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001L2\u30b9\u30a4\u30c3\u30c1\u306f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u901a\u4fe1\u3092\u4ea4\u901a\u6574\u7406\u3059\u308b\u53f8\u4ee4\u5854\u306e\u3088\u3046\u306a\u5b58\u5728\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L2\u30b9\u30a4\u30c3\u30c1\u3068L3\u30b9\u30a4\u30c3\u30c1\u306e\u9055\u3044<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-1024x572.jpg\" alt=\"L2\u30b9\u30a4\u30c3\u30c1\u3068L3\u30b9\u30a4\u30c3\u30c1\u306e\u9055\u3044\u306e\u753b\u50cf\" class=\"wp-image-244\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-79-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u3068L3\u30b9\u30a4\u30c3\u30c1\u306e\u9055\u3044\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u53ef\u5426<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen\">\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30c7\u30fc\u30bf\u3092\u76ee\u7684\u5730\u306b\u5c4a\u3051\u308b\u305f\u3081\u306b\u3001\u6700\u9069\u306a\u7d4c\u8def\u3092\u5c0e\u304d\u51fa\u3057\u3001\u4e2d\u7d99\u6a5f\u304c\u8ee2\u9001\u5148\u3092\u306f\u6b63\u5e38\u306b\u5224\u65ad\u3057\u3066\u53d7\u3051\u6e21\u3059\u4ed5\u7d44\u307f\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306f\u540c\u4e00\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\uff08LAN\u5185\uff09\u3067\u306e\u30c7\u30fc\u30bf\u8ee2\u9001\u306b\u7279\u5316\u3057\u305f\u6a5f\u5668\u3067\u3059\u3002\u4e00\u65b9\u3067L3\u30b9\u30a4\u30c3\u30c1\u306f\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u8b58\u5225\u3057\u3066\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540c\u58eb\u3092\u63a5\u7d9a\u3059\u308b\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u6bd4\u8f03\u9805\u76ee<\/strong><\/td><td><strong>L2\u30b9\u30a4\u30c3\u30c1<\/strong><\/td><td><strong>L3\u30b9\u30a4\u30c3\u30c1<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\u52d5\u4f5c\u30ec\u30a4\u30e4<\/td><td>\u30ec\u30a4\u30e42\uff08\u30c7\u30fc\u30bf\u30ea\u30f3\u30af\u5c64\uff09<\/td><td>\u30ec\u30a4\u30e43\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff09<\/td><\/tr><tr><td>\u8b58\u5225\u60c5\u5831<\/td><td>MAC\u30a2\u30c9\u30ec\u30b9<\/td><td>IP\u30a2\u30c9\u30ec\u30b9<\/td><\/tr><tr><td>\u4e3b\u306a\u5f79\u5272<\/td><td>\u540c\u4e00\u30bb\u30b0\u30e1\u30f3\u30c8\u5185\u306e\u901a\u4fe1<\/td><td>\u7570\u306a\u308b\u30bb\u30b0\u30e1\u30f3\u30c8\u9593\u306e\u901a\u4fe1<\/td><\/tr><tr><td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u6a5f\u80fd<\/td><td>\u306a\u3057<\/td><td>\u3042\u308a<\/td><\/tr><tr><td>\u5c0e\u5165\u30b3\u30b9\u30c8<\/td><td>\u5b89\u4fa1<\/td><td>\u9ad8\u4fa1<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u793e\u5185\u306ePC\u540c\u58eb\u3092\u63a5\u7d9a\u3059\u308b\u3060\u3051\u3067\u3042\u308c\u3070L2\u30b9\u30a4\u30c3\u30c1\u3067\u4e8b\u8db3\u308a\u307e\u3059\u3002\u3057\u304b\u3057\u3001\u90e8\u7f72\u3054\u3068\u306b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5206\u3051\u3001\u305d\u306e\u9593\u3092\u901a\u4fe1\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u308b\u5834\u5408\u306fL3\u30b9\u30a4\u30c3\u30c1\u306e\u5c0e\u5165\u304c\u5fc5\u9808\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L2\u30b9\u30a4\u30c3\u30c1\u3068\u30cf\u30d6\u306e\u9055\u3044<\/h3>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-1024x572.jpg\" alt=\"L2\u30b9\u30a4\u30c3\u30c1\u3068\u30cf\u30d6\u306e\u9055\u3044\u306e\u753b\u50cf\" class=\"wp-image-243\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-78-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u3068\u30cf\u30d6\u306e\u9055\u3044\u306f\u3001\u30c7\u30fc\u30bf\u306e\u8ee2\u9001\u65b9\u6cd5\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30cf\u30d6\u306f\u53d7\u3051\u53d6\u3063\u305f\u30c7\u30fc\u30bf\u3092\u3001\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u3059\u3079\u3066\u306e\u30dd\u30fc\u30c8\u306b\u5bfe\u3057\u3066\u7121\u5dee\u5225\u306b\u9001\u4fe1\u3059\u308b\u306e\u304c\u7279\u5fb4<\/span><\/span><\/strong>\u3067\u3059\u3002\u3053\u308c\u3092\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u65b9\u5f0f\u3068\u547c\u3073\u3001\u901a\u4fe1\u91cf\u304c\u5897\u3048\u308b\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u304c\u91cd\u304f\u306a\u308b\u539f\u56e0\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067L2\u30b9\u30a4\u30c3\u30c1\u306f\u5b9b\u5148\u3068\u306a\u308b\u30dd\u30fc\u30c8\u306b\u306e\u307f\u30c7\u30fc\u30bf\u3092\u9001\u4fe1\u3059\u308b\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>\u6bd4\u8f03\u9805\u76ee<\/strong><\/td><td><strong>L2\u30b9\u30a4\u30c3\u30c1<\/strong><\/td><td><strong>\u30ea\u30d4\u30fc\u30bf\u30fc\u30cf\u30d6<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\u8ee2\u9001\u65b9\u5f0f<\/td><td>\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u306e\u307f\uff08\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\uff09<\/td><td>\u5168\u30dd\u30fc\u30c8\u3078\u9001\u4fe1\uff08\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\uff09<\/td><\/tr><tr><td>\u901a\u4fe1\u52b9\u7387<\/td><td>\u9ad8\u3044<\/td><td>\u4f4e\u3044\uff08\u885d\u7a81\u304c\u767a\u751f\u3057\u3084\u3059\u3044\uff09<\/td><\/tr><tr><td>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3<\/td><td>\u9ad8\u3044\uff08\u508d\u53d7\u3057\u306b\u304f\u3044\uff09<\/td><td>\u4f4e\u3044\uff08\u5168\u30dd\u30fc\u30c8\u306b\u6d41\u308c\u308b\u305f\u3081\uff09<\/td><\/tr><tr><td>\u901a\u4fe1\u30e2\u30fc\u30c9<\/td><td>\u5168\u4e8c\u91cd\uff08\u540c\u6642\u9001\u53d7\u4fe1\u304c\u53ef\u80fd\uff09<\/td><td>\u534a\u4e8c\u91cd\uff08\u9001\u4fe1\u304b\u53d7\u4fe1\u306e\u7247\u65b9\u306e\u307f\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u306e\u885d\u7a81\u3092\u9632\u304e\u3001\u5b89\u5b9a\u3057\u305f\u901f\u5ea6\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306b\u3082\u3001\u73fe\u4ee3\u3067\u306f\u30cf\u30d6\u3088\u308a\u3082L2\u30b9\u30a4\u30c3\u30c1\u304c\u63a1\u7528\u3055\u308c\u308b\u30b1\u30fc\u30b9\u304c\u591a\u3044\u3067\u3059\u3002<\/p>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6458210138304151\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- \u6a2a\u9577 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:150px\"\r\n     data-ad-client=\"ca-pub-6458210138304151\"\r\n     data-ad-slot=\"3619347934\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">L2\u30b9\u30a4\u30c3\u30c1\u306e\u4e3b\u8981\u306a\u5f79\u52723\u3064<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-1024x572.jpg\" alt=\"L2\u30b9\u30a4\u30c3\u30c1\u306e\u4e3b\u8981\u306a\u5f79\u5272\u306e\u753b\u50cf\" class=\"wp-image-246\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-81-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5f79\u5272\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\" data-has-icon=\"1\"><svg height=\"1em\" width=\"1em\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" viewBox=\"0 0 48 48\"><path d=\"M32 46.5H16c-1.1 0-2-.9-2-2s.9-2 2-2h16c1.1 0 2 .9 2 2s-.9 2-2 2zM33.3 18.6c-.7 0-1.3-.5-1.5-1.2-.7-3.2-3.2-5.7-6.4-6.3-.8-.1-1.4-.9-1.2-1.7s.9-1.4 1.7-1.2c4.4.8 8 4.2 8.9 8.6.2.8-.4 1.6-1.2 1.8h-.3z\"><\/path><path d=\"M30 40.5H18c-2.2 0-4-1.8-4-4v-1.6c0-.6-.3-1.1-.8-1.5C8.4 29.8 5.7 24 6 18c.5-9.1 8-16.6 17.1-17C29 .8 34.5 3.2 38.2 8c1.8 2.3 3 5.1 3.5 7.9 1.1 6.8-1.5 13.3-6.9 17.4-.6.4-.9 1-.9 1.7v1.5c.1 2.2-1.7 4-3.9 4zM23.3 5c-7.1.3-12.9 6.2-13.3 13.2-.2 4.7 1.8 9.1 5.6 11.9 1.5 1.1 2.4 2.9 2.4 4.7v.6c0 .6.4 1 1 1h10c.6 0 1-.4 1-1V35c0-1.9.9-3.7 2.5-4.8 4.3-3.2 6.3-8.5 5.3-13.9-.4-2-1.2-3.8-2.4-5.4-3-4-7.4-6.1-12.1-5.9z\"><\/path><\/svg><span>L2\u30b9\u30a4\u30c3\u30c1\u306e\u4e3b\u8981\u306a\u5f79\u5272<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><a href=\"#toc1\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u306e\u52b9\u7387\u5316<\/a><\/li>\n\n\n\n<li><a href=\"#toc2\">VLAN\u6a5f\u80fd<\/a><\/li>\n\n\n\n<li><a href=\"#toc3\">MAC\u30a2\u30c9\u30ec\u30b9\u306e\u8a18\u61b6<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc1\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u306e\u52b9\u7387\u5316<\/h3>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u5e2f\u57df\u3092\u6709\u52b9\u6d3b\u7528\u3057\u3001\u901a\u4fe1\u306e\u6df7\u96d1\u3092\u56de\u907f\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u9593\u3060\u3051\u3067\u901a\u4fe1\u3092\u5b8c\u7d50\u3055\u305b\u308b\u305f\u3081\u3001\u4ed6\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u901a\u4fe1\u3092\u884c\u3063\u3066\u3044\u308b\u6700\u4e2d\u3067\u3082\u3001\u5225\u306e\u30c7\u30d0\u30a4\u30b9\u540c\u58eb\u304c\u540c\u6642\u306b\u901a\u4fe1\u53ef\u80fd<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen\">\u300c\u5168\u4e8c\u91cd\u901a\u4fe1\u300d\u3068\u547c\u3073\u3001\u53cc\u65b9\u5411\u3067\u30c7\u30fc\u30bf\u3092\u540c\u6642\u306b\u3084\u308a\u53d6\u308a\u3067\u304d\u308b\u305f\u3081\u3001\u5f85\u6a5f\u6642\u9593\u304c\u767a\u751f\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u52d5\u753b\u4f1a\u8b70\u3084\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u306e\u8ee2\u9001\u304c\u65e5\u5e38\u7684\u306a\u73fe\u4ee3\u306e\u30aa\u30d5\u30a3\u30b9\u306b\u304a\u3044\u3066\u3001L2\u30b9\u30a4\u30c3\u30c1\u306b\u3088\u308b\u52b9\u7387\u5316\u306f\u696d\u52d9\u751f\u7523\u6027\u306b\u76f4\u7d50\u3059\u308b\u91cd\u8981\u306a\u8981\u7d20\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc2\">VLAN\u6a5f\u80fd<\/h3>\n\n\n\n<p><a href=\"https:\/\/venu-sys.co.jp\/knowledge\/glossary\/vlan\/\" target=\"_blank\" rel=\"noreferrer noopener\">VLAN<\/a>\u306f\u30011\u53f0\u306e\u7269\u7406\u7684\u306a\u30b9\u30a4\u30c3\u30c1\u3092\u4eee\u60f3\u7684\u306b\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5206\u5272\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">L2\u30b9\u30a4\u30c3\u30c1\u306eVLAN\u6a5f\u80fd\u3092\u6d3b\u7528\u3059\u308c\u3070\u3001\u7269\u7406\u7684\u306a\u914d\u7dda\u3092\u5909\u66f4\u3059\u308b\u3053\u3068\u306a\u304f\u3001\u90e8\u7f72\u3084\u7528\u9014\uff08\u4f8b\uff1a\u793e\u5185\u7528\u3068\u30b2\u30b9\u30c8Wi-Fi\u7528\uff09\u306b\u5408\u308f\u305b\u3066\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u304c\u53ef\u80fd<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5206\u5272\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306f\u3001\u30eb\u30fc\u30bf\u3084L3\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3055\u306a\u3044\u9650\u308a\u901a\u4fe1\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8ad6\u7406\u7684\u306b\u5207\u308a\u96e2\u3059\u3053\u3068\u3067\u3001\u60c5\u5831\u306e\u6f0f\u6d29\u30ea\u30b9\u30af\u3092\u4f4e\u6e1b\u3057\u3001\u7279\u5b9a\u306e\u90e8\u7f72\u3067\u306e\u30c8\u30e9\u30d6\u30eb\u304c\u5168\u4f53\u306b\u6ce2\u53ca\u3059\u308b\u3053\u3068\u3092\u9632\u304e\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc3\">MAC\u30a2\u30c9\u30ec\u30b9\u306e\u8a18\u61b6<\/h3>\n\n\n\n<p>L2\u30b9\u30a4\u30c3\u30c1\u306f<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u300cMAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb\u300d\u3068\u3044\u3046\u540d\u7c3f\u3092\u6301\u3061\u3001\u3069\u306e\u30dd\u30fc\u30c8\u306b\u3069\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u5e38\u306b\u628a\u63e1\u3057\u3066\u3044\u307e\u3059<\/span><\/span><\/strong>\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u304c\u5c4a\u3044\u305f\u969b\u3001L2\u30b9\u30a4\u30c3\u30c1\u306f\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u3092\u540d\u7c3f\u3068\u7167\u5408\u3057\u3001\u8a72\u5f53\u3059\u308b\u30dd\u30fc\u30c8\u3078\u30c7\u30fc\u30bf\u3092\u9001\u308a\u51fa\u3057\u307e\u3059\u3002\u4e00\u5ea6\u8a18\u61b6\u3057\u305f\u30a2\u30c9\u30ec\u30b9\u306f\u4e00\u5b9a\u671f\u9593\u4fdd\u6301\u3055\u308c\u308b\u305f\u3081\u30012\u56de\u76ee\u4ee5\u964d\u306e\u901a\u4fe1\u306f\u30b9\u30e0\u30fc\u30ba\u306b\u304a\u3053\u306a\u308f\u308c\u308b\u306e\u304c\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u8a18\u61b6\u6a5f\u80fd\u304c\u3042\u308b\u304a\u304b\u3052\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u5897\u3048\u3066\u3082\u3001\u8ff7\u3046\u3053\u3068\u306a\u304f\u6b63\u78ba\u306b\u30d1\u30b1\u30c3\u30c8\u3092\u5c4a\u3051\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6458210138304151\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- \u6a2a\u9577 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:150px\"\r\n     data-ad-client=\"ca-pub-6458210138304151\"\r\n     data-ad-slot=\"3619347934\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">\u5b9f\u52d9\u3067\u5f79\u7acb\u3064L2\u30b9\u30a4\u30c3\u30c1\u306e\u5fc5\u9808\u30fb\u8ffd\u52a0\u6a5f\u80fd<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-1024x572.jpg\" alt=\"\u5b9f\u52d9\u3067\u5f79\u7acb\u3064L2\u30b9\u30a4\u30c3\u30c1\u306e\u5fc5\u9808\u30fb\u8ffd\u52a0\u6a5f\u80fd\" class=\"wp-image-247\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-82-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30d3\u30b8\u30cd\u30b9\u5411\u3051\u306eL2\u30b9\u30a4\u30c3\u30c1\u306b\u306f\u3001\u904b\u7528\u7ba1\u7406\u3092\u5186\u6ed1\u306b\u3059\u308b\u305f\u3081\u306e\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u9ad8\u5ea6\u306a\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"swell-block-capbox cap_box is-style-onborder_ttl2\"><div class=\"cap_box_ttl\" data-has-icon=\"1\"><svg height=\"1em\" width=\"1em\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" aria-hidden=\"true\" viewBox=\"0 0 48 48\"><path d=\"M32 46.5H16c-1.1 0-2-.9-2-2s.9-2 2-2h16c1.1 0 2 .9 2 2s-.9 2-2 2zM33.3 18.6c-.7 0-1.3-.5-1.5-1.2-.7-3.2-3.2-5.7-6.4-6.3-.8-.1-1.4-.9-1.2-1.7s.9-1.4 1.7-1.2c4.4.8 8 4.2 8.9 8.6.2.8-.4 1.6-1.2 1.8h-.3z\"><\/path><path d=\"M30 40.5H18c-2.2 0-4-1.8-4-4v-1.6c0-.6-.3-1.1-.8-1.5C8.4 29.8 5.7 24 6 18c.5-9.1 8-16.6 17.1-17C29 .8 34.5 3.2 38.2 8c1.8 2.3 3 5.1 3.5 7.9 1.1 6.8-1.5 13.3-6.9 17.4-.6.4-.9 1-.9 1.7v1.5c.1 2.2-1.7 4-3.9 4zM23.3 5c-7.1.3-12.9 6.2-13.3 13.2-.2 4.7 1.8 9.1 5.6 11.9 1.5 1.1 2.4 2.9 2.4 4.7v.6c0 .6.4 1 1 1h10c.6 0 1-.4 1-1V35c0-1.9.9-3.7 2.5-4.8 4.3-3.2 6.3-8.5 5.3-13.9-.4-2-1.2-3.8-2.4-5.4-3-4-7.4-6.1-12.1-5.9z\"><\/path><\/svg><span>\u5b9f\u52d9\u3067\u5f79\u7acb\u3064L2\u30b9\u30a4\u30c3\u30c1\u306e\u5fc5\u9808\u30fb\u8ffd\u52a0\u6a5f\u80fd<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><a href=\"#toc4\">VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc5\">\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3<\/a><\/li>\n\n\n\n<li><a href=\"#toc6\">\u30eb\u30fc\u30d7\u9632\u6b62<\/a><\/li>\n\n\n\n<li><a href=\"#toc7\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5236\u5fa1<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc4\">VLAN | \u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5411\u4e0a\u3068\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30c9\u30e1\u30a4\u30f3\u306e\u5206\u5272\u306b\u4e0d\u53ef\u6b20<\/h3>\n\n\n\n<p>VLAN\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u4e0d\u8981\u306a\u653e\u9001\u901a\u4fe1\uff08\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\uff09\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306b\u5e83\u304c\u308b\u306e\u3092\u6291\u5236<\/span><\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306b\u5b58\u5728\u3059\u308b\u30c7\u30d0\u30a4\u30b9\u304c\u591a\u3059\u304e\u308b\u3068\u3001\u5168\u7aef\u672b\u3078\u306e\u4e00\u6589\u901a\u77e5\u3067\u3042\u308b\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u304c\u983b\u767a\u3057\u3001\u901a\u4fe1\u5e2f\u57df\u3092\u5727\u8feb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>VLAN\u306b\u3088\u3063\u3066\u30b0\u30eb\u30fc\u30d7\u3092\u7d30\u5206\u5316\u3059\u308c\u3070\u3001\u901a\u77e5\u306e\u7bc4\u56f2\u3092\u9650\u5b9a\u3067\u304d\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u304c\u5411\u4e0a\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u9762\u3067\u3082\u3001\u7dcf\u52d9\u3068\u55b6\u696d\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092VLAN\u3067\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u90e8\u5916\u8005\u306b\u3088\u308b\u6a5f\u5bc6\u60c5\u5831\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u7269\u7406\u5c64\u306b\u8fd1\u3044\u6bb5\u968e\u3067\u906e\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc5\">\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3 | \u8907\u6570\u306e\u56de\u7dda\u3092\u675f\u306d\u3066\u901a\u4fe1\u901f\u5ea6\u3068\u5197\u9577\u6027\u3092\u5411\u4e0a\u3055\u305b\u308b<\/h3>\n\n\n\n<p>\u30ea\u30f3\u30af\u30a2\u30b0\u30ea\u30b2\u30fc\u30b7\u30e7\u30f3\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">2\u672c\u4ee5\u4e0a\u306eLAN\u30b1\u30fc\u30d6\u30eb\u3092\u8ad6\u7406\u7684\u306b1\u672c\u306e\u592a\u3044\u56de\u7dda\u3068\u3057\u3066\u6271\u3046\u6280\u8853<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u30701Gbps\u306e\u30dd\u30fc\u30c8\u30922\u3064\u675f\u306d\u308b\u3053\u3068\u3067\u30012Gbps\u306e\u5e2f\u57df\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002\u901a\u4fe1\u901f\u5ea6\u304c\u5411\u4e0a\u3059\u308b\u3060\u3051\u3067\u306a\u304f\u3001\u4e00\u5831\u306e\u30b1\u30fc\u30d6\u30eb\u304c\u65ad\u7dda\u3057\u3066\u3082\u3001\u3082\u3046\u4e00\u5831\u306e\u30b1\u30fc\u30d6\u30eb\u3067\u901a\u4fe1\u3092\u7d99\u7d9a\u3067\u304d\u308b\u305f\u3081\u3001\u8010\u969c\u5bb3\u6027\u304c\u683c\u6bb5\u306b\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b5\u30fc\u30d0\u30fc\u3084\u4e0a\u4f4d\u30b9\u30a4\u30c3\u30c1\u3068\u306e\u63a5\u7d9a\u306a\u3069\u3001\u901a\u4fe1\u304c\u96c6\u4e2d\u3059\u308b\u91cd\u8981\u306a\u7d4c\u8def\u306b\u304a\u3044\u3066\u3001\u5b89\u5b9a\u6027\u3092\u62c5\u4fdd\u3059\u308b\u305f\u3081\u306b\u591a\u7528\u3055\u308c\u308b\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc6\">\u30eb\u30fc\u30d7\u9632\u6b62 | \u8aa4\u63a5\u7d9a\u306b\u3088\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30c0\u30a6\u30f3\u3092\u81ea\u52d5\u7684\u306b\u56de\u907f\u3059\u308b<\/h3>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u914d\u7dda\u304c\u8f2a\uff08\u30eb\u30fc\u30d7\uff09\u72b6\u306b\u306a\u3063\u3066\u3057\u307e\u3046\u3068\u3001\u30c7\u30fc\u30bf\u304c\u7121\u9650\u306b\u56de\u308a\u7d9a\u3051\u308b\u300c\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30b9\u30c8\u30fc\u30e0\u300d\u304c\u767a\u751f\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u304c\u505c\u6b62\u3059\u308b\u30ea\u30b9\u30af\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30eb\u30fc\u30d7\u9632\u6b62\u6a5f\u80fd\uff08\u30b9\u30d1\u30cb\u30f3\u30b0\u30c4\u30ea\u30fc\u30d7\u30ed\u30c8\u30b3\u30eb\u306a\u3069\uff09\u3092\u5099\u3048\u305fL2\u30b9\u30a4\u30c3\u30c1\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30eb\u30fc\u30d7\u3092\u81ea\u52d5\u7684\u306b\u691c\u77e5\u3057\u3066\u7279\u5b9a\u306e\u30dd\u30fc\u30c8\u3092\u906e\u65ad<\/span><\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u73fe\u5834\u3067\u306f\u610f\u56f3\u3057\u306a\u3044LAN\u30b1\u30fc\u30d6\u30eb\u306e\u5dee\u3057\u9593\u9055\u3044\u304c\u983b\u7e41\u306b\u8d77\u3053\u308b\u305f\u3081\u3001\u7ba1\u7406\u6a5f\u80fd\u4ed8\u304d\u306eL2\u30b9\u30a4\u30c3\u30c1\u3092\u5c0e\u5165\u3059\u308b\u6700\u5927\u306e\u30e1\u30ea\u30c3\u30c8\u306e\u4e00\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc7\">\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5236\u5fa1 | \u97f3\u58f0\u3084\u30d3\u30c7\u30aa\u4f1a\u8b70\u306a\u3069\u3001\u7279\u5b9a\u306e\u901a\u4fe1\u306e\u512a\u5148\u9806\u4f4d\u3092\u5236\u5fa1\u3059\u308b<\/h3>\n\n\n\n<p>\u30c8\u30e9\u30f3\u30b9\u30dd\u30fc\u30c8\u5236\u5fa1\u306fQoS\u3068\u3082\u547c\u3070\u308c\u3001\u901a\u4fe1\u306b\u512a\u5148\u9806\u4f4d\u3092\u3064\u3051\u308b\u306e\u304c\u5927\u304d\u306a\u7279\u5fb4\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u6df7\u96d1\u3057\u3066\u3044\u308b\u72b6\u6cc1\u3067\u3082\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u97f3\u58f0\u30c7\u30fc\u30bf\u3084WEB\u4f1a\u8b70\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u512a\u5148\u7684\u306b\u51e6\u7406\u3059\u308b\u3053\u3068\u3067\u3001\u97f3\u5207\u308c\u3084\u6620\u50cf\u306e\u9045\u5ef6\u3092\u9632\u304e\u307e\u3059<\/span><\/span><\/strong>\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u3088\u3046\u306a\u591a\u5c11\u306e\u9045\u5ef6\u304c\u8a31\u5bb9\u3055\u308c\u308b\u901a\u4fe1\u3068\u3001\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u901a\u4fe1\u3092\u533a\u5225\u3057\u3066\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c6\u30ec\u30ef\u30fc\u30af\u3084\u30aa\u30f3\u30e9\u30a4\u30f3\u30df\u30fc\u30c6\u30a3\u30f3\u30b0\u304c\u6a19\u6e96\u5316\u3057\u305f\u74b0\u5883\u3067\u306f\u3001QoS\u6a5f\u80fd\u306e\u6709\u7121\u304c\u696d\u52d9\u306e\u5feb\u9069\u3055\u3092\u5de6\u53f3\u3059\u308b\u3068\u3044\u3048\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6458210138304151\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- \u6a2a\u9577 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:150px\"\r\n     data-ad-client=\"ca-pub-6458210138304151\"\r\n     data-ad-slot=\"3619347934\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">\u5931\u6557\u3057\u306a\u3044L2\u30b9\u30a4\u30c3\u30c1\u9078\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8<\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" width=\"1024\" height=\"572\" src=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-1024x572.jpg\" alt=\"\u5931\u6557\u3057\u306a\u3044L2\u30b9\u30a4\u30c3\u30c1\u9078\u5b9a\u306e\u30dd\u30a4\u30f3\u30c8\u306e\u753b\u50cf\" class=\"wp-image-248\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-83-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" 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class=\"wp-block-heading\">\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u80fd\u529b<\/h3>\n\n\n\n<p>\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u80fd\u529b\u306f\u30011\u79d2\u9593\u306b\u3069\u308c\u3060\u3051\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u51e6\u7406\u3067\u304d\u308b\u304b\u3092\u793a\u3059\u6307\u6a19\u3067\u3042\u308a\u3001\u5358\u4f4d\u306fpps\u3067\u8868\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30ab\u30bf\u30ed\u30b0\u30b9\u30da\u30c3\u30af\u3092\u78ba\u8a8d\u3059\u308b\u969b\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color 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class=\"wp-block-heading\">MAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb<\/h3>\n\n\n\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u30c6\u30fc\u30d6\u30eb\u306e\u5bb9\u91cf\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u304c\u8a18\u61b6\u3067\u304d\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u6700\u5927\u6570\u3092\u793a\u3057\u307e\u3059\u3002\u767b\u9332\u53ef\u80fd\u6570\u3092\u8d85\u3048\u308b\u3068\u3001\u30b9\u30a4\u30c3\u30c1\u306f\u5b9b\u5148\u4e0d\u660e\u3068\u3057\u3066\u5168\u30dd\u30fc\u30c8\u306b\u30c7\u30fc\u30bf\u3092\u6d41\u3059\u300c\u30d5\u30e9\u30c3\u30c7\u30a3\u30f3\u30b0\u300d\u3092\u8d77\u3053\u3057\u3001\u901a\u4fe1\u52b9\u7387\u304c\u6025\u6fc0\u306b\u60aa\u5316\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color 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class=\"wp-block-heading\">\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5bb9\u91cf<\/h3>\n\n\n\n<p>\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5bb9\u91cf\u306f\u3001\u30b9\u30a4\u30c3\u30c1\u5185\u90e8\u30671\u79d2\u9593\u306b\u51e6\u7406\u3067\u304d\u308b\u5408\u8a08\u30c7\u30fc\u30bf\u91cf\u3092bps\u3067\u8868\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5168\u30dd\u30fc\u30c8\u304c\u540c\u6642\u306b\u6700\u5927\u901f\u5ea6\u3067\u901a\u4fe1\u3057\u3066\u3082\u5185\u90e8\u3067\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u304c\u767a\u751f\u3057\u306a\u3044\u300c\u30ce\u30f3\u30d6\u30ed\u30c3\u30ad\u30f3\u30b0\u300d\u72b6\u614b\u3067\u3042\u308b\u304b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u8a08\u7b97\u5f0f\u3068\u3057\u3066\u306f\u300c\u30dd\u30fc\u30c8\u901f\u5ea6 \u00d7 \u30dd\u30fc\u30c8\u6570 \u00d7 2\uff08\u5168\u4e8c\u91cd\uff09\u300d\u4ee5\u4e0a\u306e\u6570\u5024\u304c\u3042\u308c\u3070\u3001\u5185\u90e8\u51e6\u7406\u3067\u306e\u9045\u5ef6\u306f\u767a\u751f\u3057\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u30ab\u30bf\u30ed\u30b0\u306b\u300c\u5168\u30dd\u30fc\u30c81Gbps\u300d\u3068\u3042\u3063\u3066\u3082\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u5bb9\u91cf\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u3068\u3001\u5168\u30dd\u30fc\u30c8\u4f7f\u7528\u6642\u306b\u671f\u5f85\u901a\u308a\u306e\u901f\u5ea6\u304c\u51fa\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p><strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color 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class=\"wp-block-heading\">\u6700\u5927VLAN\u6570<\/h3>\n\n\n\n<p>\u6700\u5927VLAN\u6570\u306f\u30011\u53f0\u306e\u30b9\u30a4\u30c3\u30c1\u5185\u3067\u4f5c\u6210\u30fb\u7ba1\u7406\u3067\u304d\u308b\u4eee\u60f3\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u6570\u3092\u793a\u3057\u307e\u3059\u3002\u6a19\u6e96\u898f\u683c\u3067\u306f4,000\u4ee5\u4e0a\u306eID\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059\u304c\u3001\u88fd\u54c1\u306b\u3088\u3063\u3066\u306f\u8a2d\u5b9a\u3067\u304d\u308b\u500b\u6570\u304c\u6570\u5341\u500b\u7a0b\u5ea6\u306b\u5236\u9650\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5c06\u6765\u7684\u306a\u7d44\u7e54\u5909\u66f4\u3084\u30b2\u30b9\u30c8\u7528\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5897\u8a2d\u306a\u3069\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color 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src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-6458210138304151\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- \u6a2a\u9577 -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:150px\"\r\n     data-ad-client=\"ca-pub-6458210138304151\"\r\n     data-ad-slot=\"3619347934\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n\n\n\n<h2 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class=\"adsbygoogle\"\r\n     style=\"display:inline-block;width:728px;height:150px\"\r\n     data-ad-client=\"ca-pub-6458210138304151\"\r\n     data-ad-slot=\"3619347934\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081 | 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