{"id":11890,"date":"2020-09-30T18:28:20","date_gmt":"2020-09-30T09:28:20","guid":{"rendered":"http:\/\/www.code-magagine.com\/?p=11890"},"modified":"2023-05-28T08:41:18","modified_gmt":"2023-05-27T23:41:18","slug":"%e3%80%90%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%80%91%e3%80%8c%e5%9b%9e%e7%b7%9a%e7%b6%b2%e3%80%8d%e3%81%ae%e7%9f%a5%e8%ad%98","status":"publish","type":"post","link":"http:\/\/www.code-magagine.com\/?p=11890","title":{"rendered":"\u3010\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3011\u300c\u56de\u7dda\u7db2\u300d\u3001\u300cVLAN\u300d\u3001\u300cSDN\uff08Software Defined Network\uff09\u300d\u3001\u300c\u7121\u7ddaLAN\u300d"},"content":{"rendered":"<h2>\u5e83\u57df\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8<\/h2>\n<p>\u56de\u7dda\u4e8b\u696d\u8005\u304c\u63d0\u4f9b\u3059\u308b\u9589\u57df\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u540d\u306e\u901a\u308aL2\u30ec\u30d9\u30eb\u3067\u63a5\u7d9a\u3059\u308b\u305f\u3081\u4e0a\u4f4d\u306e\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304cIP\u306b\u9650\u5b9a\u3055\u308c\u306a\u3044\u3002\u4e8b\u696d\u8005\u306e\u56de\u7dda\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u5e2f\u57df\u4fdd\u8a3c\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8VPN\u3068\u6bd4\u3079\u308b\u3068\u901a\u4fe1\u306e\u9045\u5ef6\u306f\u5c11\u306a\u3044\u3067\u3059\u3002<\/p>\n<h3>IP-VPN\u3068\u306e\u9055\u3044<\/h3>\n<p>IP-VPN\u3068\u306f\u3088\u304f\u6bd4\u8f03\u3055\u308c\u307e\u3059\u304c\u3001IP-VPN\u306b\u6bd4\u3079\u308b\u3068\u3055\u3089\u306b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u5f37\u56fa\u3067\u9ad8\u984d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>VPN(Virtual Private Network)<\/h2>\n<p>\u96e2\u308c\u305f\u5834\u6240\u306e\u9593\u3092\u4eee\u60f3\u7684\u306a\u5c02\u7528\u7dda\u3067\u3064\u306a\u3044\u3067\u5b89\u5168\u306a\u30c7\u30fc\u30bf\u901a\u4fe1\u3092\u5b9f\u73fe\u3059\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002\u8ddd\u96e2\u306e\u96e2\u308c\u305f\u62e0\u70b9\u306eLAN\u540c\u58eb\u3092\u3064\u306a\u3050\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u30022000\u5e74\u9803\u306b\u5c02\u7528\u7dda\u306e\u30b3\u30b9\u30c8\u89e3\u6d88\u3092\u76ee\u7684\u306b\u5e45\u5e83\u304f\u4f01\u696d\u9593\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u3057\u3066\u767b\u5834\u3057\u307e\u3057\u305f\u3002\u5c02\u7528\u7dda\u306b\u6bd4\u3079\u3066\u3082\u969c\u5bb3\u304c\u767a\u751f\u3057\u305f\u5834\u5408\u306f\u8fc2\u56de\u3057\u3066\u5225\u7d4c\u8def\u3092\u63a2\u3057\u3066\u304f\u308c\u308b\u306e\u3067\u53ef\u7528\u6027\u306f\u9ad8\u3044\u3067\u3059\u3002<\/p>\n<h3>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8VPN<\/h3>\n<p>IPsec\u306a\u3069\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u30d7\u30ed\u30c8\u30b3\u30eb\u3092\u5229\u7528\u3057\u3066\u516c\u8846\u56de\u7dda\u4e0a\u306bVPN\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>\u901a\u4fe1\u7d4c\u8def\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3092\u5229\u7528\u3059\u308b<\/strong><\/span>\u305f\u3081\u5c02\u7528\u7dda\u3092\u7528\u3044\u308b\u30b5\u30fc\u30d3\u30b9\u3068\u6bd4\u8f03\u3057\u3066\u5b89\u4fa1\u306a\u3053\u3068\u304c\u591a\u3044\u3067\u3059\u3002\u901a\u4fe1\u54c1\u8cea\u3092\u4fdd\u8a3c\u3057\u306a\u3044\u30d9\u30b9\u30c8\u30a8\u30d5\u30a9\u30fc\u30c8\u578b\u306a\u306e\u3067\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c\u6df7\u96d1\u3057\u3066\u3044\u308b\u3068\u901a\u4fe1\u306e\u9045\u5ef6\u304c\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30ea\u30e2\u30fc\u30c8\u30a2\u30af\u30bb\u30b9VPN<\/h4>\n<p>\u30b9\u30de\u30fc\u30c8\u30c7\u30d0\u30a4\u30b9\u306bVPN\u63a5\u7d9a\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u3092\u5c0e\u5165\u3059\u308b\u3053\u3068\u3067\u3001\u5916\u306b\u3044\u3066\u3082\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5165\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h3>IP-VPN<\/h3>\n<p>\u901a\u4fe1\u4e8b\u696d\u8005\u304c\u63d0\u4f9b\u3059\u308b\u9589\u57df\u7db2\u3092\u5229\u7528\u3057\u3066\u96e2\u308c\u305f\u62e0\u70b9\u306eLAN\u3092\u3064\u306a\u304e\u307e\u3059\u3002\u901a\u4fe1\u4e8b\u696d\u8005\u306e\u9589\u57df\u7db2\u306f\u3001\u305d\u306e\u901a\u4fe1\u4e8b\u696d\u8005\u3068\u5951\u7d04\u3057\u305f\u4f01\u696d\u306e\u307f\u304c\u5229\u7528\u3067\u304d\u308b\u9589\u3056\u3055\u308c\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3067\u69cb\u7bc9\u3055\u308c\u3001\u629c\u7fa4\u306e\u5b89\u5168\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8VPN\u3068\u9055\u3044\u3001\u901a\u4fe1\u4e8b\u696d\u8005\u3068\u306e\u5951\u7d04\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>VLAN\u3068\u306f\uff1f<\/h2>\n<p>1\u53f0\u306eL2SW\u4e0a\u306b\u8907\u6570\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u30e1\u30ea\u30c3\u30c8<\/h2>\n<h3>\u30b3\u30b9\u30c8\u4f4e\u6e1b<\/h3>\n<p>\u3082\u3057VLAN\u3092\u4f7f\u308f\u305a\u306b\u30bb\u30b0\u30e1\u30f3\u30c8\u3092\u5206\u5272\u3057\u305f\u3044\u5834\u5408\u306f\u30eb\u30fc\u30bf\u53f0\u6570\u5206\u3060\u3051\u30eb\u30fc\u30bf\u3092\u7528\u610f\u3059\u308b\u5fc5\u8981\u304c\u51fa\u3066\u304d\u3066\u3057\u307e\u3046\u3002\u7269\u7406\u6a5f\u5668\u5c0e\u5165\u6570\u3092\u6e1b\u3089\u305b\u308b\u305f\u3081\u30b3\u30b9\u30c8\u3092\u4f4e\u6e1b\u51fa\u6765\u307e\u3059\u3002<\/p>\n<h3>\u7ba1\u7406\u304c\u697d\u306b\u306a\u308b\u3002<\/h3>\n<p>\u307e\u305f\u3001VLAN\u3092\u4f7f\u308f\u306a\u3044\u5834\u5408\u306f\u7269\u7406\u7684\u306b\u914d\u7dda\u3092\u3064\u306a\u304e\u5909\u3048\u308b\u4f5c\u696d\u304c\u767a\u751f\u3057\u3066\u7ba1\u7406\u304c\u4e71\u96d1\u306b\u306a\u308a\u304c\u3061\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30dd\u30fc\u30c8\u306e\u7a2e\u985e<\/h2>\n<h3>\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8<\/h3>\n<p>\u4ed6\u306e\u30b9\u30a4\u30c3\u30c1\u3068\u63a5\u7d9a\u3059\u308b\u969b\u306b\u4f7f\u3046\u30dd\u30fc\u30c8\u3067\u3001<span style=\"color: #ff0000;\"><strong>\u8907\u6570\u306eVLAN\u3067\u6d41\u308c\u308b\u30c7\u30fc\u30bf\u304c\u901a\u308b\u7a74\uff08VLAN10\u3068VLAN20\u306e\u30c7\u30fc\u30bf\u304c\u901a\u308b\uff09<\/strong><\/span><\/p>\n<h3>\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8<\/h3>\n<p>\u30b9\u30a4\u30c3\u30c1\u3092PC\u3092\u63a5\u7d9a\u3059\u308b\u30dd\u30fc\u30c8\u3067\u3001<span style=\"color: #ff0000;\"><strong>\u6c7a\u307e\u3063\u305f\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5c5e\u3059\u308b\u30c7\u30fc\u30bf\u3057\u304b\u6d41\u308c\u306a\u3044\u30dd\u30fc\u30c8<\/strong><\/span>\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h2>VLAN\u306e\u7a2e\u985e<\/h2>\n<h3>\u30dd\u30fc\u30c8\u306e\u7a2e\u985e\u306b\u3088\u308bVLAN<\/h3>\n<h4>\u30dd\u30fc\u30c8VLAN<\/h4>\n<p>\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u3092\u6307\u5b9a\u3059\u308b\u3002\u3069\u306e\u30dd\u30fc\u30c8\u306b\u63a5\u7d9a\u3059\u308c\u3070\u3069\u306eVLAN\u306b\u6240\u5c5e\u3067\u304d\u308b\u304b\u304c\u308f\u304b\u308a\u3084\u3059\u3044\u3002\u305f\u3060\u3001\u30c7\u30e1\u30ea\u30c3\u30c8\u3068\u3057\u3066\u306fVLAN\u306e\u6570\u3060\u3051\u30dd\u30fc\u30c8\u3092\u6d88\u8cbb\u3057\u3066\u3057\u307e\u3046\u306e\u3067\u52b9\u7387\u7684\u306a\u69cb\u7bc9\u306f\u51fa\u6765\u307e\u305b\u3093\u3002\u30a2\u30af\u30bb\u30b9\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3059\u308b\u30a2\u30af\u30bb\u30b9\u30ea\u30f3\u30af\u3068\u547c\u3073\u307e\u3059\u3002VLAN\u306e\u6570\u304c\u5897\u3048\u308b\u305f\u3073\u306b\u30b9\u30a4\u30c3\u30c1\u9593\u3067\u63a5\u7d9a\u3059\u308b\u30b1\u30fc\u30d6\u30eb\u306e\u672c\u6570\u304c\u5897\u3048\u3066\u3057\u307e\u3044\u307e\u3059\u3002<\/p>\n<h4>\u30bf\u30b0VLAN<\/h4>\n<p>\u4e00\u3064\u306e\u30dd\u30fc\u30c8\u3092\u8907\u6570\u306eVLAN\u304c\u6240\u5c5e\u3059\u308b\u30bf\u30b0\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u30b9\u30a4\u30c3\u30c1\u5185\u306bVLAN\u304c\u3044\u304f\u3064\u3042\u308d\u3046\u304c\u3001\u4e00\u3064\u306e\u7269\u7406\u30b1\u30fc\u30d6\u30eb\u304c\u3042\u308c\u3070\u30b9\u30a4\u30c3\u30c1\u9593\u3067VLAN\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002\u30c8\u30e9\u30f3\u30af\u30dd\u30fc\u30c8\u3092\u5229\u7528\u3057\u3066\u30c8\u30e9\u30f3\u30af\u30ea\u30f3\u30af\u3068\u547c\u3073\u307e\u3059\u3002<\/p>\n<h3>\u52d5\u7684\u304b\u9759\u7684\u304b<\/h3>\n<h4>\u30b9\u30bf\u30c6\u30a3\u30c3\u30afVLAN<\/h4>\n<p>\u30dd\u30fc\u30c8\u3068VLAN\u306e\u5bfe\u5fdc\u304c\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u30dd\u30fc\u30c8\u306b\u6307\u3057\u305f\u3089\u7121\u6761\u4ef6\u3067VLAN\u304c\u6c7a\u307e\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30c0\u30a4\u30ca\u30df\u30c3\u30afVLAN<\/h4>\n<p>\u30dd\u30fc\u30c8\u3068\u6a5f\u5668\u306e\u95a2\u4fc2\u304c\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u540c\u3058\u30dd\u30fc\u30c8\u3067\u3082\u633f\u3059\u6a5f\u5668\u306b\u3088\u3063\u3066\u6240\u5c5e\u3059\u308bVLAN\u304c\u5909\u308f\u308a\u307e\u3059\u3002<\/p>\n<h2>SDN\uff08Software Defined Network\uff09\u3068\u306f\uff1f<\/h2>\n<p><span style=\"color: #ff0000;\"><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u306b\u3088\u3063\u3066\u4eee\u60f3\u7684\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u74b0\u5883\u3092\u4f5c\u308b\u6280\u8853\u3084\u30b3\u30f3\u30bb\u30d7\u30c8<\/strong><\/span>\u306e\u3053\u3068\u3002\u6280\u8853\u305d\u306e\u3082\u306e\u3092\u6307\u3057\u3066\u3044\u308b\u7528\u8a9e\u3067\u306f\u306a\u304f\u6982\u5ff5\u3092\u6307\u3057\u3066\u3044\u308b\u7528\u8a9e\u3002\u7ba1\u7406\u30c4\u30fc\u30eb\u306a\u3069\u306b\u3088\u308b\u64cd\u4f5c\u3084\u4e8b\u524d\u306e\u8a2d\u5b9a\u3060\u3051\u3067\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u69cb\u6210\u3084\u6027\u80fd\u30fb\u6a5f\u80fd\u3092\u52d5\u7684\u306b\u5909\u66f4\u3067\u304d\u308b\u3068\u3044\u3046\u7279\u9577\u304c\u3042\u308b\u3002<\/p>\n<h3>\u30e1\u30ea\u30c3\u30c8<\/h3>\n<p>\u4eca\u307e\u3067\u306f\u3001\u7269\u7406\u7684\u306a\u5236\u7d04\u306b\u3068\u3089\u308f\u308c\u3066\u3044\u305f\u3002<\/p>\n<h3>\u5b9a\u7fa9<\/h3>\n<ul>\n<li>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4eee\u60f3\u5316<\/li>\n<li>\u5236\u5fa1<\/li>\n<\/ul>\n<h3>VLAN\u3068\u306e\u9055\u3044\u306f\uff1f<\/h3>\n<p>VLAN\u3082\u4e00\u53f0\u306e\u7269\u7406\u30b9\u30a4\u30c3\u30c1\u3092\u8ad6\u7406\u7684\u306b\u5206\u5272\u3059\u308b\u6280\u8853\u3067\u306f\u3042\u308b\u304c\u3001\u57fa\u672c\u7684\u306b\u4e00\u5ea6\u8a2d\u5b9a\u3057\u305f\u3089\u5909\u3048\u306a\u3044\u306e\u304c\u666e\u901a\u3002<\/p>\n<h3>\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/h3>\n<h4>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4<\/h4>\n<p>\u3053\u308c\u3089\u306eAPI\u3092\u901a\u3058\u3066\u3001\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u632f\u308b\u821e\u3044\u306b\u95a2\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u3002<\/p>\n<h4>\u30b3\u30f3\u30c8\u30ed\u30fc\u30e9\u30ec\u30a4\u30e4<\/h4>\n<p>Southbound\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u3084API\u3092\u7528\u3044\u305f\u6a5f\u5668\u306e\u5236\u5fa1\u3092\u53f8\u308b\u5fc3\u81d3\u90e8\u306b\u306a\u308b\u30ec\u30a4\u30e4\u3067\u3001\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30ec\u30a4\u30e4\u306e\u6a5f\u5668\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u80fd\u3092\u62bd\u8c61\u5316\u3057\u305fAPI\u3092\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30ec\u30a4\u30e4\u306b\u63d0\u4f9b\u3059\u308b\u3002<\/p>\n<h5>\u901a\u4fe1\u5236\u5fa1\u30c6\u30fc\u30d6\u30eb<\/h5>\n<p>\u7269\u7406L2\u30b9\u30a4\u30c3\u30c1\u3054\u3068\u306b\u901a\u4fe1\u5236\u5fa1\u30c6\u30fc\u30d6\u30eb\u3092\u6307\u5b9a\u3057\u307e\u3059\u3002\u901a\u4fe1\u5236\u5fa1\u30c6\u30fc\u30d6\u30eb\u306f\u300c\u9001\u4fe1\u5143MAC\u30a2\u30c9\u30ec\u30b9\u300d\u3001\u300c\u5b9b\u5148MAC\u30a2\u30c9\u30ec\u30b9\u300d\u3001\u300c\u30a2\u30af\u30b7\u30e7\u30f3\uff08\u30b9\u30a4\u30c3\u30c1\u306e\u5b9b\u5148\u30dd\u30fc\u30c8\uff09\u300d\u3092\u6307\u5b9a\u3057\u3066\u3069\u3053\u306e\u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u304b\u3069\u3046\u304b\u306e\u7d4c\u8def\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3055\u305b\u307e\u3059\u3002\u307e\u305f\u3001\u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8\u30d5\u30ec\u30fc\u30e0\u3092\u9001\u4ed8\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u540c\u4e00\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u5185\u306e\u30b5\u30fc\u30d0\u3084FW\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u53d6\u5f97\u3057\u3066\u901a\u4fe1\u306b\u5229\u7528\u3059\u308b\u8a2d\u5b9a\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30ec\u30a4\u30e4<\/h4>\n<p>\u30c7\u30fc\u30bf\u8ee2\u9001\u3092\u5b9f\u969b\u306b\u884c\u3046\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u6a5f\u5668\u306e\u30ec\u30a4\u30e4\u3001\u3053\u308c\u3089\u306e\u6a5f\u5668\u306e\u5236\u5fa1\u306b\u306fOpenFlow\u3084NETCONF\u306a\u3069\u306e\u6a19\u6e96\u30d7\u30ed\u30c8\u30b3\u30eb\u3084\u3001\u6a5f\u5668\u3054\u3068\u306b\u5b9a\u7fa9\u3055\u308c\u305fAPI(Application Programming Interface)\u3092\u5229\u7528\u3059\u308b\u3002\u3053\u306e\u90e8\u5206\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3092<span style=\"color: #ff0000;\"><strong>\u300cSouthbound\u300d<\/strong><\/span>\u3068\u547c\u3076\u3053\u3068\u3082\u3042\u308b\u3002<\/p>\n<h5>OpenFlow<\/h5>\n<p>Southbound\u3092\u5b9f\u73fe\u3059\u308b\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4e00\u3064\u3002\u30eb\u30fc\u30bf\u3084\u30b9\u30a4\u30c3\u30c1\u3067\u306e\u30d1\u30b1\u30c3\u30c8\u306e\u53d6\u308a\u6271\u3044\u65b9\u3092\u81ea\u7531\u306b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u308c\u306b\u3088\u308b\u4eee\u60f3\u5316\u306e\u5c0e\u5165\u306f\u5168\u3066\u306e\u6a5f\u5668\u3092OpenFlow\u306b\u5bfe\u5fdc\u3055\u305b\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u308a\u3068\u5927\u5909\u3067\u3059\u3002<\/p>\n<h3>\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u65b9\u5f0f\u306b\u3088\u308bSDN<\/h3>\n<p>IP\u30d1\u30b1\u30c3\u30c8\u3067\u30ab\u30d7\u30bb\u30eb\u5316\u3057\u3066\u901a\u5e38\u306eIP\u30d1\u30b1\u30c3\u30c8\u3068\u3057\u3066\u30c8\u30f3\u30cd\u30eb\u30ea\u30f3\u30af\u4e0a\u3067\u3084\u308a\u3068\u308a\u3055\u305b\u308b\u3088\u3046\u306b\u3059\u308b\u30aa\u30fc\u30d0\u30fc\u30ec\u30a4\u65b9\u5f0f\u306b\u3059\u308c\u3070\u3001SDN\u5c0e\u5165\u30b3\u30b9\u30c8\u3092\u5927\u5e45\u306b\u4e0b\u3052\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>VXLAN<\/li>\n<li>NVGRE<\/li>\n<li>STT<\/li>\n<\/ul>\n<h2>\u7121\u7ddaLAN<\/h2>\n<h3>SSID\uff08\u30b5\u30fc\u30d3\u30b9\u30bb\u30c3\u30c8ID\uff09<\/h3>\n<p>\u7121\u7ddaLAN\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u304a\u3044\u3066\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u8b58\u5225\u3059\u308b\u305f\u3081\u306e\u8b58\u5225\u5b50\u306b\u306a\u308a\u307e\u3059\u3002\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u7528\u610f\u3059\u308b\u5074\u3067\u81ea\u7531\u306b\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\uff08\u306a\u306e\u3067\u3001\u653b\u6483\u8005\u306f\u4f01\u696d\u304c\u4f7f\u3063\u3066\u3044\u308bSSID\u3068\u4f3c\u305f\u3088\u3046\u306a\u540d\u524d\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3078\u306e\u8a98\u5c0e\u76ee\u7684\u3067\u3064\u3051\u3089\u308c\u3066\u3044\u305f\u308a\u3057\u307e\u3059\u3002\uff09<\/p>\n<h4>ESSID(Extended SSID)<\/h4>\n<p>SSID\u306e\u62e1\u5f35\u7248\u3067\u3059\u3002\u305f\u3060\u3001\u4e00\u822c\u7684\u306b\u300cSSID\u300d\u3068\u547c\u3093\u3060\u5834\u5408\u3082\u307b\u3068\u3093\u3069\u304cESSID\u3092\u6307\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u307b\u3068\u3093\u3069\u306a\u306e\u3067\u3042\u307e\u308a\u4f7f\u3044\u5206\u3051\u3092\u610f\u8b58\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3067\u3059\u3002<\/p>\n<h3>\u30e2\u30fc\u30c9<\/h3>\n<h4>\u30a2\u30c9\u30db\u30c3\u30af\u30e2\u30fc\u30c9<\/h4>\n<p>\u7121\u7ddaLAN\u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u7aef\u672b\u540c\u58eb\u304c\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u4ecb\u3055\u305a\u306b\u901a\u4fe1\u3059\u308b\u30e2\u30fc\u30c9<\/p>\n<h4>\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u30e2\u30fc\u30c9<\/h4>\n<p>\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u4ecb\u3057\u3066\u901a\u4fe1\u3059\u308b\u666e\u901a\u306e\u30e2\u30fc\u30c9<\/p>\n<h3>\u7121\u7ddaLAN\u540c\u58eb\u304c\u5e72\u6e09\u3092\u9632\u3050\u5bfe\u7b56<\/h3>\n<p>\u8fd1\u63a5\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u306e\u96fb\u6ce2\u5e72\u6e09\u3092\u907f\u3051\u308b\u305f\u3081\u306b\u3001\u4f7f\u7528\u3059\u308b\u5468\u6ce2\u6570\u5e2f\u3092\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3054\u3068\u306b\u5fae\u5999\u306b\u305a\u3089\u3059\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u3068\u304d\u306b\u8a2d\u5b9a\u3059\u308b\u5024\u3092\u30c1\u30e3\u30cd\u30eb(\u30c1\u30e3\u30f3\u30cd\u30eb)\u3068\u547c\u3073\u307e\u3059\u3002\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u540c\u58eb\u304c\u5e72\u6e09\u3057\u3042\u308f\u306a\u3044\u3088\u3046\u306b\u8a2d\u5b9a\u3059\u308b\u30c1\u30e3\u30f3\u30cd\u30eb\u3092\u30ba\u30e9\u3059\u3053\u3068\u304c\u5fc5\u8981\u3067\u3059\u30025GHz\u5e2f\u3092\u4f7f\u7528\u3059\u308bIEEE802.11ac\u3067\u306f19\u30c1\u30e3\u30cd\u30eb\u304c\u4f7f\u7528\u53ef\u80fd\u3067\u3059\u3002<\/p>\n<p>\u307e\u305f\u3001DHCP\u306b\u3088\u308aIP\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u3092\u56fa\u5b9a\u5316\u3059\u308b\u3053\u3068\u3067\u6240\u5b9a\u5916\u306e\u6a5f\u5668\u306b\u4e0d\u6b63\u306b\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u3053\u3068\u3092\u9632\u3050\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h4>CSMA\/CA\uff08\u642c\u9001\u6ce2\u611f\u77e5\u591a\u5143\u63a5\u7d9a\uff0f\u885d\u7a81\u56de\u907f\uff09<\/h4>\n<p>\u7121\u7ddaLAN\u306e\u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u65b9\u5f0f\u3067\u3001IEEE802.11\u30b7\u30ea\u30fc\u30ba\u306b\u304a\u3044\u3066\u57fa\u672c\u7684\u306a\u4f1d\u9001\u5236\u5fa1\u65b9\u5f0f\u3068\u3057\u3066\u5229\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001\u5f85\u3061\u6642\u9593\u304c\u767a\u751f\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u306e\u3067\u4e00\u3064\u306e\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u30a2\u30af\u30bb\u30b9\u304c\u96c6\u4e2d\u3059\u308b\u3068\u8ee2\u9001\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u305d\u3053\u3067\u3001<span style=\"color: #ff0000;\"><strong>\u3044\u304f\u3064\u304b\u306e\u30b0\u30eb\u30fc\u30d7\u306b\u5206\u3051\u3066ESSID\u3092\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u8ee2\u9001\u52b9\u7387\u304c\u4f4e\u4e0b\u3057\u306a\u3044\u3088\u3046\u306b\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd<\/strong><\/span>\u3067\u3059\u3002<\/p>\n<h3>\u30c7\u30fc\u30bf\u6697\u53f7\u5316\u65b9\u5f0f<\/h3>\n<h4>WPA2<\/h4>\n<p>\u6697\u53f7\u5316\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u8106\u5f31\u6027\u306e\u3042\u308b\u300cRC4\u300d\u304b\u3089\u300cAES\u300d\u306b\u5909\u66f4\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h5>\u5229\u7528\u8005\u8a8d\u8a3c<\/h5>\n<p>\u300cPSK\u8a8d\u8a3c(\u30d1\u30fc\u30bd\u30ca\u30eb\u30e2\u30fc\u30c9)\u300d\u3068\u300cIEEE802.1X\u8a8d\u8a3c(\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30e2\u30fc\u30c9)\u300d\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n<h6>PSK\u8a8d\u8a3c(\u30d1\u30fc\u30bd\u30ca\u30eb\u30e2\u30fc\u30c9)<\/h6>\n<p>PSK(Pre-Shared Key)\u306f\u300c\u4e8b\u524d\u5171\u6709\u9375\u300d\u306e\u3053\u3068\u3067\u3059\u3002<\/p>\n<h6>IEEE802.1X\u8a8d\u8a3c(\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30e2\u30fc\u30c9)<\/h6>\n<p>LAN\u5185\u306e\u30e6\u30fc\u30b6\u8a8d\u8a3c\u306e\u65b9\u5f0f\u3092\u5b9a\u3081\u305fIEEE\u898f\u683c\u3067\u3001\u6b63\u5f53\u306a\u7aef\u672b\u4ee5\u5916\u304cLAN\u306b\u53c2\u52a0\u3059\u308b\u3053\u3068\u3092\u9632\u3050\u6280\u8853\u3067\u3059\u3002<\/p>\n<h3>PoE(Power over Ethernet)<\/h3>\n<p><span style=\"color: #ff0000;\"><strong>\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306eLAN\u30b1\u30fc\u30d6\u30eb\u3092\u901a\u3058\u3066\u96fb\u529b\u3092\u4f9b\u7d66\u3059\u308b\u6280\u8853<\/strong><\/span>\u3067\u3059\u3002\u5c4b\u5916\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30ab\u30e1\u30e9\u3084\u3001\u5929\u4e95\u3084\u58c1\u306b\u8a2d\u7f6e\u3055\u308c\u308b\u7121\u7ddaLAN\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u3088\u3046\u306b\u3001\u96fb\u6e90\u30b3\u30f3\u30bb\u30f3\u30c8\u304c\u306a\u3044\u53c8\u306f\u96fb\u6e90\u914d\u7dda\u304c\u96e3\u3057\u3044\u5834\u5408\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002<span style=\"color: #ff0000;\"><strong>\u300cPoE+\u300d<\/strong><\/span>\u3068\u3044\u3046\u4e0a\u4f4d\u306e\u898f\u683c\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5e83\u57df\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8 \u56de\u7dda\u4e8b\u696d\u8005\u304c\u63d0\u4f9b\u3059\u308b\u9589\u57df\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3057\u307e\u3059\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u306e\u540d\u306e\u901a\u308aL2\u30ec\u30d9\u30eb\u3067\u63a5\u7d9a\u3059\u308b\u305f\u3081\u4e0a\u4f4d\u306e\u5c64\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\u304cIP\u306b\u9650\u5b9a\u3055\u308c\u306a\u3044\u3002\u4e8b\u696d\u8005\u306e\u56de\u7dda\u3092\u4f7f\u7528\u3059\u308b\u305f\u3081\u5e2f\u57df\u4fdd\u8a3c\u306a\u3069\u306e\u30b5\u30fc\u30d3\u30b9\u304c\u3042\u308a\u307e\u3059\u3002\u30a4\u30f3 [&hellip;]","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[89],"tags":[],"_links":{"self":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11890"}],"collection":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11890"}],"version-history":[{"count":7,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11890\/revisions"}],"predecessor-version":[{"id":20780,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=\/wp\/v2\/posts\/11890\/revisions\/20780"}],"wp:attachment":[{"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11890"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.code-magagine.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}