{"id":196,"date":"2026-01-13T15:44:05","date_gmt":"2026-01-13T06:44:05","guid":{"rendered":"https:\/\/venu-sys.co.jp\/knowledge\/?post_type=glossary&#038;p=196"},"modified":"2026-02-05T20:38:13","modified_gmt":"2026-02-05T11:38:13","slug":"vlan","status":"publish","type":"glossary","link":"https:\/\/venu-sys.co.jp\/knowledge\/glossary\/vlan\/","title":{"rendered":"VLAN"},"content":{"rendered":"\n<h1 class=\"wp-block-heading\">VLAN\u3068\u306f\uff1f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4eee\u60f3\u7684\u306b\u5206\u5272\u3059\u308b\u4ed5\u7d44\u307f\u30fb\u7a2e\u985e\u30fb\u5c0e\u5165\u30e1\u30ea\u30c3\u30c8\u3092\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>VLAN\u306e\u4ed5\u7d44\u307f\u304c\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<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>VLAN\u306b\u306f\u3044\u304f\u3064\u304b\u306e\u7a2e\u985e\u304c\u3042\u308b\u306e\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>VLAN\u3063\u3066\u5b9f\u969b\u306e\u73fe\u5834\u3067\u3044\u3064\u4f7f\u3046\u306e\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\n<p>\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u904b\u7528\u306b\u304a\u3044\u3066\u3001\u7269\u7406\u7684\u306a\u5236\u7d04\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u81ea\u7531\u306b\u5909\u66f4\u3067\u304d\u306a\u3044\u60a9\u307f\u306f\u591a\u304f\u306e\u62c5\u5f53\u8005\u304c\u62b1\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u554f\u984c\u3092\u89e3\u6c7a\u3059\u308b\u65b9\u6cd5\u3068\u3057\u3066\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u7269\u7406\u7684\u306a\u63a5\u7d9a\u306b\u95a2\u308f\u3089\u305a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8ad6\u7406\u7684\u306b\u5206\u5272\u3059\u308b\u6280\u8853\u3067\u3042\u308bVLAN<\/span><\/span><\/strong>\u304c\u3088\u304f\u6d3b\u7528\u3055\u308c\u307e\u3059\u304c\u3001\u3088\u304f\u7406\u89e3\u3067\u304d\u3066\u3044\u306a\u3044\u4eba\u3082\u5c11\u306a\u304f\u3042\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u521d\u5fc3\u8005\u3067\u3082VLAN\u306e\u57fa\u790e\u304b\u3089\u7a2e\u985e\u3001\u5c0e\u5165\u30e1\u30ea\u30c3\u30c8\u307e\u3067\u3092\u5b8c\u5168\u306b\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u3001\u5177\u4f53\u7684\u306a\u4ed5\u7d44\u307f\u3092\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_announce\">\u8a18\u4e8b\u3092\u8aad\u3081\u3070\u3001\u81ea\u793e\u306e\u74b0\u5883\u306b\u6700\u9069\u306aVLAN\u306e\u69cb\u6210\u65b9\u6cd5\u304c\u5206\u304b\u308a\u3001\u5b89\u5168\u3067\u5feb\u9069\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3092\u69cb\u7bc9\u3059\u308b\u624b\u9806\u304c\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">VLAN\u3068\u306f\u7269\u7406\u7684\u306a\u63a5\u7d9a\u306b\u95a2\u308f\u3089\u305a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8ad6\u7406\u7684\u306b\u5206\u5272\u3059\u308b\u6280\u8853<\/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-56-1024x572.jpg\" alt=\"VLAN\u3068\u306f\u306e\u753b\u50cf\" class=\"wp-image-218\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-56-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-56-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-56-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-56-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-56-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>VLAN\uff08Virtual Local Area Network\uff09\u3068\u306f\u30011\u53f0\u306e\u30b9\u30a4\u30c3\u30c1\u5185\u3092\u4eee\u60f3\u7684\u306b\u533a\u5207\u308a\u3001\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u308a\u51fa\u3059\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5f93\u6765\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u7bc9\u3067\u306f\u3001\u30b0\u30eb\u30fc\u30d7\u3092\u5206\u3051\u308b\u305f\u3081\u306b\u7269\u7406\u7684\u306a\u30cf\u30d6\u3084\u30eb\u30fc\u30bf\u30fc\u3092\u500b\u5225\u306b\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3057\u305f\u3002<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">VLAN\u3092\u6d3b\u7528\u3059\u308c\u3070\u30011\u53f0\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u4e2d\u306b\u72ec\u7acb\u3057\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5171\u5b58\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>VLAN\u306e\u6700\u5927\u306e\u7279\u5fb4\u306f\u3001\u7aef\u672b\u304c\u7269\u7406\u7684\u306b\u3069\u306e\u30b9\u30a4\u30c3\u30c1\u306b\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u304b\u306b\u5de6\u53f3\u3055\u308c\u306a\u3044\u70b9\u306b\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d5\u30ed\u30a2\u304c\u7570\u306a\u308b\u90e8\u7f72\u540c\u58eb\u3067\u3042\u3063\u3066\u3082\u3001VLAN\u8a2d\u5b9a\u306b\u3088\u3063\u3066\u540c\u4e00\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b0\u30eb\u30fc\u30d7\u3068\u3057\u3066\u6271\u3046\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u69cb\u6210\u5909\u66f4\u304c\u767a\u751f\u3057\u3066\u3082\u3001\u30b1\u30fc\u30d6\u30eb\u306e\u629c\u304d\u5dee\u3057\u3092\u884c\u3046\u624b\u9593\u306f\u304b\u304b\u308a\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u8005\u306f\u8a2d\u5b9a\u753b\u9762\u304b\u3089\u8ad6\u7406\u7684\u306a\u30b0\u30eb\u30fc\u30d7\u5206\u3051\u3092\u5909\u66f4\u3059\u308b\u3060\u3051\u3067\u4f5c\u696d\u304c\u5b8c\u4e86\u3057\u307e\u3059\u3002\u67d4\u8edf\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u904b\u7528\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u3001VLAN\u306f\u6b20\u304b\u305b\u306a\u3044\u57fa\u76e4\u6280\u8853\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\">VLAN\u306e\u7279\u5fb4\u3068\u4ed5\u7d44\u307f<\/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-57-1024x572.jpg\" alt=\"VLAN\u306e\u7279\u5fb4\u3068\u4ed5\u7d44\u307f\u306e\u753b\u50cf\" class=\"wp-image-219\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-57-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-57-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-57-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-57-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-57-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>VLAN\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u7279\u5fb4\u304c\u3042\u308a\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>VLAN\u306e\u7279\u5fb4\u30fb\u4ed5\u7d44\u307f<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><a href=\"#toc1\">\u90e8\u7f72\u3084\u76ee\u7684\u3054\u3068\u306b\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u67d4\u8edf\u306b\u69cb\u7bc9<\/a><\/li>\n\n\n\n<li><a href=\"#toc2\">\u7279\u5b9a\u306e\u30b0\u30eb\u30fc\u30d7\u9593\u306e\u307f\u3067\u901a\u4fe1\u3092\u5236\u9650\u3057\u3001\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe<\/a><\/li>\n\n\n\n<li><a href=\"#toc3\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30c9\u30e1\u30a4\u30f3\u306e\u5206\u5272<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc1\">\u90e8\u7f72\u3084\u76ee\u7684\u3054\u3068\u306b\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u67d4\u8edf\u306b\u69cb\u7bc9<\/h3>\n\n\n\n<p>VLAN\u3092\u5229\u7528\u3059\u308b\u3068\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u90e8\u7f72\u3084\u5f79\u5272\u3068\u3044\u3063\u305f\u76ee\u7684\u3054\u3068\u306b\u30bb\u30b0\u30e1\u30f3\u30c8\u5316\u3067\u304d\u307e\u3059<\/span><\/span><\/strong>\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen\">\u30bb\u30b0\u30e1\u30f3\u30c8\u5316\u3068\u306f\u3001\u5927\u304d\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5c0f\u3055\u306a\u30b0\u30eb\u30fc\u30d7\u306b\u5207\u308a\u5206\u3051\u308b\u4f5c\u696d\u3092\u6307\u3057\u307e\u3059\u3002<br><br>\u4f8b\uff1a1\u968e\u306e\u55b6\u696d\u90e8\u30682\u968e\u306e\u7dcf\u52d9\u90e8\u3092\u3001\u7269\u7406\u7684\u306a\u8ddd\u96e2\u3092\u8d85\u3048\u3066\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6240\u5c5e\u3055\u305b\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u5ea7\u5e2d\u79fb\u52d5\u3084\u7d44\u7e54\u5909\u66f4\u304c\u3042\u3063\u305f\u969b\u3082\u3001VLAN\u3092\u5229\u7528\u3057\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u7269\u7406\u7684\u306a\u914d\u7dda\u5de5\u4e8b\u3092\u4f34\u308f\u305a\u306b\u8a2d\u5b9a\u306e\u307f\u3067\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u7ba1\u7406\u8005\u306f\u30aa\u30d5\u30a3\u30b9\u306e\u30ec\u30a4\u30a2\u30a6\u30c8\u5909\u66f4\u306b\u5de6\u53f3\u3055\u308c\u305a\u3001\u696d\u52d9\u4e0a\u306e\u5fc5\u8981\u6027\u306b\u5fdc\u3058\u305f\u8ad6\u7406\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3092\u7dad\u6301\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc2\">\u7279\u5b9a\u306e\u30b0\u30eb\u30fc\u30d7\u9593\u306e\u307f\u3067\u901a\u4fe1\u3092\u5236\u9650\u3057\u3001\u5f37\u56fa\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3092\u5b9f\u73fe<\/h3>\n\n\n\n<p>VLAN\u306b\u3088\u3063\u3066\u5206\u5272\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306f\u3001\u305d\u306e\u307e\u307e\u3067\u306f\u901a\u4fe1\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u7dcf\u52d9\u90e8VLAN\u3068\u6765\u5ba2\u7528VLAN\u3092\u5206\u96e2\u3059\u308c\u3070\u3001\u6765\u5ba2\u8005\u304c\u793e\u5185\u306e\u6a5f\u5bc6\u30b5\u30fc\u30d0\u30fc\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u3053\u3068\u3092\u7269\u7406\u7684\u306b\u906e\u65ad\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>VLAN\u306e\u5206\u96e2\u6a5f\u80fd\u306b\u3088\u3063\u3066\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u4e07\u304c\u4e00\u7279\u5b9a\u306e\u7aef\u672b\u304c\u30a6\u30a4\u30eb\u30b9\u306b\u611f\u67d3\u3057\u3066\u3082\u3001\u88ab\u5bb3\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u3078\u5e83\u304c\u308b\u30ea\u30b9\u30af\u3092\u6700\u5c0f\u9650\u306b\u6291\u3048\u3089\u308c\u307e\u3059<\/span><\/span><\/strong>\u3002<\/p>\n\n\n\n<p>\u7570\u306a\u308bVLAN\u9593\u3067\u901a\u4fe1\u3092\u884c\u3046\u306b\u306f\u3001\u30eb\u30fc\u30bf\u30fc\u3084L3\u30b9\u30a4\u30c3\u30c1\u3092\u4ecb\u3057\u305f\u5236\u5fa1\u304c\u5fc5\u8981\u3067\u3059\u3002\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u30ea\u30b9\u30c8\uff08ACL\uff09\u3092\u9069\u7528\u3059\u308c\u3070\u3001\u7279\u5b9a\u306e\u901a\u4fe1\u306e\u307f\u3092\u8a31\u53ef\u3059\u308b\u9ad8\u5ea6\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u904b\u7528\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc3\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30c9\u30e1\u30a4\u30f3\u306e\u5206\u5272<\/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\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30c9\u30e1\u30a4\u30f3\u3092\u5206\u5272\u3059\u308b\u3053\u3068\u3067\u901a\u4fe1\u306e\u6df7\u96d1\u3092\u89e3\u6d88<\/span><\/span><\/strong>\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_pen\">\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u5168\u3066\u306e\u7aef\u672b\u306b\u5bfe\u3057\u3066\u4e00\u6589\u306b\u9001\u4fe1\u3055\u308c\u308b\u4fe1\u53f7\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3055\u308c\u308b\u7aef\u672b\u304c\u5897\u3048\u308b\u3068\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u901a\u4fe1\u304c\u5e2f\u57df\u3092\u5727\u8feb\u3057\u3001\u5168\u4f53\u306e\u901a\u4fe1\u901f\u5ea6\u3092\u4f4e\u4e0b\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<p>VLAN\u3092\u8a2d\u5b9a\u3059\u308c\u3070\u3001\u4e00\u6589\u9001\u4fe1\u3055\u308c\u308b\u4fe1\u53f7\u306e\u5c4a\u304f\u7bc4\u56f2\u3092\u5404VLAN\u5185\u306b\u9650\u5b9a\u3067\u304d\u307e\u3059\u3002\u4e0d\u8981\u306a\u901a\u4fe1\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5168\u4f53\u306b\u6d41\u308c\u308b\u4e8b\u614b\u3092\u9632\u304e\u3001\u5404\u30bb\u30b0\u30e1\u30f3\u30c8\u306e\u901a\u4fe1\u52b9\u7387\u3092\u6700\u5927\u5316\u3055\u305b\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\">VLAN\u306e\u7a2e\u985e\u3068\u7279\u5fb4<\/h2>\n\n\n\n<p>VLAN\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u8907\u6570\u306e\u7a2e\u985e\u306b\u308f\u3051\u3089\u308c\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>VLAN\u306e\u7a2e\u985e<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list is-style-check_list\">\n<li><a href=\"#toc5\">\u30dd\u30fc\u30c8VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc4\">\u30bf\u30b0VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc6\">\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc7\">MAC\u30d9\u30fc\u30b9VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc8\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30d9\u30fc\u30b9VLAN<\/a><\/li>\n\n\n\n<li><a href=\"#toc9\">\u30dc\u30a4\u30b9VLAN<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<figure class=\"wp-block-table\"><table style=\"font-size:12px;\" class=\"has-fixed-layout\"><thead><tr><td><strong>VLAN\u306e\u7a2e\u985e<\/strong><\/td><td><strong>\u8b58\u5225\u65b9\u6cd5<\/strong><\/td><td><strong>\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8<\/strong><\/td><td><strong>\u9069\u3057\u305f\u7528\u9014<\/strong><\/td><\/tr><\/thead><tbody><tr><td>\u30bf\u30b0VLAN<\/td><td>\u8b58\u5225\u5b50\u3092\u4ed8\u4e0e<\/td><td>1\u672c\u306e\u914d\u7dda\u3067\u8907\u6570VLAN\u3092\u4f1d\u9001<\/td><td>\u30b9\u30a4\u30c3\u30c1\u9593\u306e\u63a5\u7d9a<\/td><\/tr><tr><td>\u30dd\u30fc\u30c8VLAN<\/td><td>\u7269\u7406\u30dd\u30fc\u30c8\u3067\u56fa\u5b9a<\/td><td>\u8a2d\u5b9a\u304c\u7c21\u5358\u3067\u7ba1\u7406\u3057\u3084\u3059\u3044<\/td><td>\u5c0f\u4e2d\u898f\u6a21\u306e\u56fa\u5b9a\u5ea7\u5e2d<\/td><\/tr><tr><td>\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9<\/td><td>\u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c<\/td><td>\u79fb\u52d5\u3057\u3066\u3082\u540c\u3058\u74b0\u5883\u304c\u7dad\u6301<\/td><td>\u30d5\u30ea\u30fc\u30a2\u30c9\u30ec\u30b9\u30fb\u7121\u7ddaLAN<\/td><\/tr><tr><td>MAC\u30d9\u30fc\u30b9<\/td><td>MAC\u30a2\u30c9\u30ec\u30b9<\/td><td>\u30c7\u30d0\u30a4\u30b9\u3054\u3068\u306b\u56fa\u5b9a\u53ef\u80fd<\/td><td>\u9ad8\u3044\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5fc5\u8981\u306a\u74b0\u5883<\/td><\/tr><tr><td>\u30b5\u30d6\u30cd\u30c3\u30c8\u30d9\u30fc\u30b9<\/td><td>IP\u30a2\u30c9\u30ec\u30b9<\/td><td>IP\u5358\u4f4d\u3067\u30b0\u30eb\u30fc\u30d7\u5316<\/td><td>\u7570\u306a\u308b\u62e0\u70b9\u9593\u306e\u7d71\u5408<\/td><\/tr><tr><td>\u30dc\u30a4\u30b9VLAN<\/td><td>\u30c7\u30fc\u30bf\u7a2e\u5225<\/td><td>\u901a\u8a71\u54c1\u8cea\u306e\u5b89\u5b9a\u5316<\/td><td>IP\u96fb\u8a71\u306e\u5c0e\u5165<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc5\">\u30dd\u30fc\u30c8VLAN | \u30b9\u30a4\u30c3\u30c1\u306e\u30dd\u30fc\u30c8\u3054\u3068\u306b\u30b0\u30eb\u30fc\u30d7\u3092\u56fa\u5b9a\u3059\u308b\u65b9\u5f0f<\/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-58-1024x572.jpg\" alt=\"\u30dd\u30fc\u30c8VLAN\u3068\u30bf\u30b0VLAN\u306e\u9055\u3044\" class=\"wp-image-220\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-58-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-58-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-58-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-58-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-58-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30dd\u30fc\u30c8VLAN\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30b9\u30a4\u30c3\u30c1\u306b\u3042\u308b\u7269\u7406\u7684\u306a\u30dd\u30fc\u30c8\uff08\u5dee\u3057\u8fbc\u307f\u53e3\uff09\u306b\u5bfe\u3057\u3066VLAN ID\u3092\u5272\u308a\u5f53\u3066\u308b\u57fa\u672c\u7684\u306a\u65b9\u5f0f<\/span><\/span><\/strong>\u3067\u3059\u3002\u300c1\u756a\u304b\u30894\u756a\u30dd\u30fc\u30c8\u306f\u55b6\u696d\u90e8\u300d\u300c5\u756a\u304b\u30898\u756a\u30dd\u30fc\u30c8\u306f\u7dcf\u52d9\u90e8\u300d\u3068\u3044\u3046\u3088\u3046\u306b\u76f4\u611f\u7684\u306b\u8a2d\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u8a2d\u5b9a\u304c\u975e\u5e38\u306b\u30b7\u30f3\u30d7\u30eb\u3067\u3042\u308b\u305f\u3081\u3001\u5c0e\u5165\u969c\u58c1\u304c\u4f4e\u3044\u70b9\u304c\u9b45\u529b\u3067\u3059\u3002\u305f\u3060\u3057\u3001\u7aef\u672b\u3092\u5225\u306e\u30dd\u30fc\u30c8\u306b\u5dee\u3057\u66ff\u3048\u308b\u3068\u6240\u5c5e\u3059\u308bVLAN\u304c\u5909\u308f\u3063\u3066\u3057\u307e\u3046\u305f\u3081\u3001\u983b\u7e41\u306a\u79fb\u52d5\u304c\u3042\u308b\u74b0\u5883\u306b\u306f\u5411\u304d\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc4\">\u30bf\u30b0VLAN | 1\u672c\u306eLAN\u30b1\u30fc\u30d6\u30eb\u3067\u8907\u6570\u306eVLAN\u3092\u8b58\u5225\u30fb\u4f1d\u9001\u3059\u308b<\/h3>\n\n\n\n<p>\u30bf\u30b0VLAN\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30d1\u30b1\u30c3\u30c8\u306b\u300cVLAN ID\u300d\u3068\u3044\u3046\u8b58\u5225\u60c5\u5831\u3092\u4ed8\u52a0\u3057\u3066\u7ba1\u7406\u3059\u308b\u65b9\u5f0f<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>1\u672c\u306e\u7269\u7406\u7684\u306a\u30b1\u30fc\u30d6\u30eb\u306e\u4e2d\u306b\u3001\u8907\u6570\u306eVLAN\u60c5\u5831\u3092\u6df7\u5728\u3055\u305b\u3066\u6d41\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4e3b\u306b\u30b9\u30a4\u30c3\u30c1\u540c\u58eb\u3092\u63a5\u7d9a\u3059\u308b\u300c\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u300d\u3067\u4f7f\u7528\u3055\u308c\u308b\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"is-style-icon_book\">\u914d\u7dda\u306e\u672c\u6570\u3092\u5287\u7684\u306b\u6e1b\u3089\u305b\u308b\u305f\u3081\u3001\u5927\u898f\u6a21\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u306b\u304a\u3044\u3066\u91cd\u5b9d\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>IEEE 802.1Q\u3068\u3044\u3046\u56fd\u969b\u6a19\u6e96\u898f\u683c\u304c\u63a1\u7528\u3055\u308c\u3066\u304a\u308a\u3001\u7570\u306a\u308b\u30e1\u30fc\u30ab\u30fc\u306e\u6a5f\u5668\u9593\u3067\u3082\u76f8\u4e92\u63a5\u7d9a\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc6\">\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9VLAN | \u30e6\u30fc\u30b6\u30fc\u8a8d\u8a3c\u306b\u57fa\u3065\u3044\u3066\u3001\u30ed\u30b0\u30a4\u30f3\u3059\u308b\u5834\u6240\u3092\u554f\u308f\u305a\u6240\u5c5eVLAN\u3092\u6c7a\u5b9a\u3059\u308b\u65b9\u5f0f<\/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-59-1024x572.jpg\" alt=\"\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9VLAN\u306e\u753b\u50cf\" class=\"wp-image-221\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-59-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-59-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-59-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-59-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-59-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u30d9\u30fc\u30b9VLAN\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5229\u7528\u8005\u306eID\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u306b\u3088\u308b\u8a8d\u8a3c\u7d50\u679c\u306b\u57fa\u3065\u304d\u3001\u52d5\u7684\u306bVLAN\u3092\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u8ab0\u304c\u3069\u3053\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3057\u3066\u3082\u3001\u305d\u306e\u30e6\u30fc\u30b6\u30fc\u5c02\u7528\u306e\u30a2\u30af\u30bb\u30b9\u6a29\u9650\u304c\u4ed8\u4e0e<\/span><\/span><\/strong>\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30d5\u30ea\u30fc\u30a2\u30c9\u30ec\u30b9\u3092\u5c0e\u5165\u3057\u3066\u3044\u308b\u30aa\u30d5\u30a3\u30b9\u3084\u3001Wi-Fi\u74b0\u5883\u306b\u304a\u3044\u3066\u975e\u5e38\u306b\u52b9\u679c\u7684\u3067\u3059\u3002\u7269\u7406\u7684\u306a\u63a5\u7d9a\u5834\u6240\u306b\u7e1b\u3089\u308c\u305a\u3001\u500b\u4eba\u306e\u5f79\u5272\u306b\u5fdc\u3058\u305f\u9069\u5207\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30af\u30bb\u30b9\u3092\u5b9f\u73fe\u3057\u305f\u3044\u5834\u5408\u306e\u5c0e\u5165\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc7\">MAC\u30d9\u30fc\u30b9VLAN | \u63a5\u7d9a\u30c7\u30d0\u30a4\u30b9\u306e\u300cMAC\u30a2\u30c9\u30ec\u30b9\u300d\u3092\u8b58\u5225\u3057\u3001\u81ea\u52d5\u7684\u306b\u7279\u5b9a\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3078\u5272\u308a\u632f\u308b\u65b9\u5f0f<\/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-60-1024x572.jpg\" alt=\"MAC\u30d9\u30fc\u30b9VLAN\u306e\u7279\u5fb4\" class=\"wp-image-222\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-60-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-60-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-60-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-60-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-60-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>MAC\u30d9\u30fc\u30b9VLAN\u306f\u3001\u7aef\u672b\u56fa\u6709\u306e\u8b58\u5225\u756a\u53f7\u3067\u3042\u308bMAC\u30a2\u30c9\u30ec\u30b9\u3092\u4e8b\u524d\u306b\u767b\u9332\u3057\u3001\u305d\u308c\u306b\u57fa\u3065\u3044\u3066\u6240\u5c5eVLAN\u3092\u6c7a\u5b9a\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\">\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u672a\u8a31\u53ef\u306e\u30c7\u30d0\u30a4\u30b9\u304c\u63a5\u7d9a\u3055\u308c\u305f\u5834\u5408\u3001\u901a\u4fe1\u3092\u62d2\u5426\u3059\u308b\u3068\u3044\u3063\u305f\u904b\u7528\u304c\u53ef\u80fd<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7aef\u672b\u3092\u3069\u306e\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3057\u3066\u3082\u3001\u5e38\u306b\u6c7a\u307e\u3063\u305fVLAN\u306b\u6240\u5c5e\u3067\u304d\u308b\u67d4\u8edf\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u7ba1\u7406\u3059\u308b\u7aef\u672b\u306e\u6570\u304c\u591a\u3044\u5834\u5408\u3001\u5168\u3066\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u767b\u9332\u30fb\u66f4\u65b0\u3059\u308b\u904b\u7528\u8ca0\u8377\u304c\u5927\u304d\u304f\u306a\u308b\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc8\">\u30b5\u30d6\u30cd\u30c3\u30c8\u30d9\u30fc\u30b9VLAN | IP\u30a2\u30c9\u30ec\u30b9\u306e\u7bc4\u56f2\uff08\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a2\u30c9\u30ec\u30b9\uff09\u306b\u5fdc\u3058\u3066\u6240\u5c5e\u5148\u3092\u5206\u3051\u308b\u65b9\u5f0f<\/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-61-1024x572.jpg\" alt=\"\u30b5\u30d6\u30cd\u30c3\u30c8\u30d9\u30fc\u30b9VLAN\u306e\u753b\u50cf\" class=\"wp-image-223\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-61-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-61-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-61-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-61-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-61-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u30b5\u30d6\u30cd\u30c3\u30c8\u30d9\u30fc\u30b9VLAN\u306f\u3001\u7aef\u672b\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u305fIP\u30a2\u30c9\u30ec\u30b9\u306e\u60c5\u5831\u3092\u898b\u3066\u3001\u3069\u306eVLAN\u306b\u6240\u5c5e\u3055\u305b\u308b\u304b\u3092\u5224\u65ad\u3057\u307e\u3059\u3002<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u7279\u5b9a\u306eIP\u30a2\u30c9\u30ec\u30b9\u7bc4\u56f2\u3092\u6301\u3064\u30b5\u30fc\u30d0\u30fc\u7fa4\u3084\u7aef\u672b\u7fa4\u3092\u3001\u81ea\u52d5\u7684\u306b\u4e00\u3064\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u307e\u3068\u3081\u305f\u3044\u5834\u5408\u306b\u6709\u52b9<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/venu-sys.co.jp\/knowledge\/glossary\/osi\/\" target=\"_blank\" rel=\"noreferrer noopener\">OSI\u53c2\u7167\u30e2\u30c7\u30eb<\/a>\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5c64\uff08\u30ec\u30a4\u30e4\u30fc3\uff09\u306e\u60c5\u5831\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u3001\u8a2d\u5b9a\u306b\u306f\u4e0a\u4f4d\u30e2\u30c7\u30eb\u306e\u6a5f\u5668\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002\u7570\u306a\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4f53\u7cfb\u3092\u6301\u3064\u7d44\u7e54\u304c\u7d71\u5408\u3055\u308c\u308b\u5834\u9762\u306a\u3069\u3067\u6d3b\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"toc9\">\u30dc\u30a4\u30b9VLAN | \u97f3\u58f0\u30c7\u30fc\u30bf\u3092\u512a\u5148\u7684\u306b\u51e6\u7406\u3057\u3001IP\u96fb\u8a71\u306e\u901a\u8a71\u54c1\u8cea\u3092\u5b89\u5b9a\u3055\u305b\u308b\u5c02\u7528\u306e\u5206\u5272\u65b9\u5f0f<\/h3>\n\n\n\n<p>\u30dc\u30a4\u30b9VLAN\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">IP\u96fb\u8a71\u306e\u97f3\u58f0\u30d1\u30b1\u30c3\u30c8\u3092\u512a\u5148\u3057\u3066\u6271\u3046\u305f\u3081\u306e\u5c02\u7528\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u4f5c\u6210\u3059\u308b\u65b9\u5f0f<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30c7\u30fc\u30bf\u901a\u4fe1\u7528\u306e\u30d1\u30b1\u30c3\u30c8\u3068\u97f3\u58f0\u7528\u306e\u30d1\u30b1\u30c3\u30c8\u3092\u8ad6\u7406\u7684\u306b\u5206\u96e2\u3057\u3001\u97f3\u58f0\u901a\u4fe1\u306b\u5e2f\u57df\u3092\u512a\u5148\u7684\u306b\u5272\u308a\u5f53\u3066\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u884c\u308f\u308c\u3066\u3044\u308b\u6700\u4e2d\u3067\u3082\u3001\u901a\u8a71\u306e\u9014\u5207\u308c\u3084\u9045\u5ef6\u3092\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002IP\u96fb\u8a71\u3092\u30d3\u30b8\u30cd\u30b9\u3067\u5229\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u54c1\u8cea\u5b89\u5b9a\u306e\u305f\u3081\u306b\u5c0e\u5165\u3059\u3079\u304d\u5fc5\u9808\u6a5f\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\">\u3010\u73fe\u5834\u306e\u30ea\u30a2\u30eb\u3011VLAN\u306f\u3069\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u4f7f\u3046\uff1f<\/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-62-1024x572.jpg\" alt=\"VLAN\u306e\u6d3b\u7528\u30b7\u30fc\u30f3\" class=\"wp-image-224\" style=\"width:640px\" srcset=\"https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-62-1024x572.jpg 1024w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-62-300x167.jpg 300w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-62-768x429.jpg 768w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-62-1536x857.jpg 1536w, https:\/\/venu-sys.co.jp\/knowledge\/wp-content\/uploads\/sites\/6\/2026\/01\/unnamed-62-2048x1143.jpg 2048w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>VLAN\u306f\u3001\u5b9f\u969b\u306e\u73fe\u5834\u3067\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5834\u9762\u3067\u4f7f\u7528\u3055\u308c\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>VLAN\u304c\u4f7f\u7528\u3055\u308c\u308b\u5834\u9762<\/span><\/div><div class=\"cap_box_content\">\n<ul class=\"wp-block-list 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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\">VLAN\u306b\u95a2\u3059\u308b\u3088\u304f\u3042\u308b\u8cea\u554f<\/h2>\n\n\n\n<div class=\"swell-block-faq\" data-q=\"fill-main\" data-a=\"col-text\">\n<div class=\"swell-block-faq__item\"><h3 class=\"faq_q\">L2\u30b9\u30a4\u30c3\u30c1\u3068L3\u30b9\u30a4\u30c3\u30c1\u3001\u3069\u3061\u3089\u3092\u4f7f\u3048\u3070VLAN\u3092\u69cb\u7bc9\u3067\u304d\u308b\uff1f<\/h3><div class=\"faq_a\">\n<p>VLAN\u306e\u4f5c\u6210\u81ea\u4f53\u306f\u3001VLAN\u5bfe\u5fdc\u306eL2\u30b9\u30a4\u30c3\u30c1\u3067\u884c\u3046\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u305f\u3060\u3057\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color 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class=\"faq_q\">VLAN\u3092\u5c0e\u5165\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u3084\u904b\u7528\u4e0a\u306e\u6ce8\u610f\u70b9\u306f\uff1f<\/h3><div class=\"faq_a\">\n<p>VLAN\u3092\u5c0e\u5165\u3059\u308b\u30c7\u30e1\u30ea\u30c3\u30c8\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u7ba1\u7406\u8005\u306e\u5b66\u7fd2\u30b3\u30b9\u30c8\u3068\u30c8\u30e9\u30d6\u30eb\u6642\u306e\u5207\u308a\u5206\u3051\u304c\u8907\u96d1\u306b\u306a\u308b\u70b9<\/span><\/span><\/strong>\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u7269\u7406\u7684\u306a\u914d\u7dda\u3068\u8ad6\u7406\u7684\u306a\u69cb\u6210\u304c\u4e00\u81f4\u3057\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u56f3\u3092\u5e38\u306b\u6700\u65b0\u306e\u72b6\u614b\u306b\u66f4\u65b0\u3057\u3066\u304a\u304b\u306a\u3051\u308c\u3070\u306a\u308a\u307e\u305b\u3093\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"swell-block-faq__item\"><h3 class=\"faq_q\">\u521d\u5fc3\u8005\u304cVLAN\u8a2d\u5b9a\u3059\u308b\u969b\u3001\u6700\u3082\u9593\u9055\u3044\u3084\u3059\u3044\u30dd\u30a4\u30f3\u30c8\u306f\u3069\u3053\uff1f<\/h3><div class=\"faq_a\">\n<p>\u6700\u3082\u591a\u3044\u5931\u6557\u306f\u3001<strong><span class=\"swl-marker mark_yellow\"><span class=\"swl-inline-color has-swl-deep-01-color\">\u30bf\u30b0VLAN\u8a2d\u5b9a\u6642\u306e\u300cVLAN ID\u300d\u306e\u4e0d\u4e00\u81f4<\/span><\/span><\/strong>\u3067\u3059\u3002\u63a5\u7d9a\u3055\u308c\u3066\u3044\u308b\u30b9\u30a4\u30c3\u30c1\u540c\u58eb\u3067\u3001\u540c\u3058VLAN 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