{"id":476519,"date":"2023-08-09T07:29:55","date_gmt":"2023-08-09T07:29:55","guid":{"rendered":""},"modified":"2023-09-05T11:12:54","modified_gmt":"2023-09-05T11:12:54","slug":"customer-edge-router","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/customer-edge-router\/","title":{"rendered":"\u9867\u5ba2\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf"},"content":{"rendered":"<h2>\u5c0e\u5165<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc (CER) \u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092\u4f7f\u7528\u3059\u308b\u4f01\u696d\u3084\u500b\u4eba\u306e\u63a5\u7d9a\u6027\u3068\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u52b9\u7387\u6027\u3092\u9ad8\u3081\u308b\u4e0a\u3067\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u9867\u5ba2\u306e\u30ed\u30fc\u30ab\u30eb \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (LAN) \u3068\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3068\u3057\u3066\u6a5f\u80fd\u3059\u308b CER \u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u3001\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u3092\u7ba1\u7406\u3057\u3001\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u901a\u4fe1\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u6b74\u53f2\u3001\u5185\u90e8\u69cb\u9020\u3001\u4e3b\u306a\u6a5f\u80fd\u3001\u7a2e\u985e\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3001\u5c06\u6765\u306e\u5c55\u671b\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u30fc\u306e\u8d77\u6e90<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u6982\u5ff5\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u958b\u767a\u3068\u3001\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304a\u3088\u3073\u7ba1\u7406\u306e\u5fc5\u8981\u6027\u3068\u3068\u3082\u306b\u751f\u307e\u308c\u307e\u3057\u305f\u3002CER \u304c\u521d\u3081\u3066\u8a00\u53ca\u3055\u308c\u305f\u306e\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u304c\u5e83\u304f\u666e\u53ca\u3057\u59cb\u3081\u305f 1990 \u5e74\u4ee3\u521d\u982d\u306b\u9061\u308a\u307e\u3059\u3002\u4f01\u696d\u3084\u500b\u4eba\u304c\u793e\u5185\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u63a5\u7d9a\u3057\u3088\u3046\u3068\u3059\u308b\u306b\u3064\u308c\u3066\u3001\u3053\u306e\u63a5\u7d9a\u3092\u5bb9\u6613\u306b\u3059\u308b\u5c02\u7528\u30c7\u30d0\u30a4\u30b9\u306e\u5fc5\u8981\u6027\u304c\u660e\u3089\u304b\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u306e\u8a73\u7d30\u60c5\u5831<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u3001\u9867\u5ba2\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30a8\u30c3\u30b8\u306b\u914d\u7f6e\u3055\u308c\u3001LAN \u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u307e\u305f\u306f\u30ef\u30a4\u30c9 \u30a8\u30ea\u30a2 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (WAN) \u306b\u63a5\u7d9a\u3059\u308b\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u305d\u306e\u4e3b\u306a\u6a5f\u80fd\u306f\u3001\u9867\u5ba2\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u9593\u3067\u5b89\u5168\u304b\u3064\u52b9\u7387\u7684\u306a\u30c7\u30fc\u30bf\u4ea4\u63db\u3092\u78ba\u7acb\u3059\u308b\u3053\u3068\u3067\u3059\u3002\u3053\u308c\u306b\u306f\u3001\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db (NAT)\u3001\u30b5\u30fc\u30d3\u30b9\u54c1\u8cea (QoS) \u7ba1\u7406\u3001\u304a\u3088\u3073\u4eee\u60f3\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af (VPN) \u306e\u8a2d\u5b9a\u304c\u542b\u307e\u308c\u3001\u30c7\u30fc\u30bf\u306e\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u304c\u78ba\u4fdd\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u306e\u5185\u90e8\u69cb\u9020\u3068\u52d5\u4f5c<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u5185\u90e8\u69cb\u9020\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u52b9\u7387\u7684\u306b\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u304a\u3088\u3073\u7ba1\u7406\u3059\u308b\u305f\u3081\u306b\u9023\u643a\u3057\u3066\u52d5\u4f5c\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u4e3b\u306a\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u30e2\u30b8\u30e5\u30fc\u30eb:<\/strong> \u3053\u308c\u3089\u306e\u30e2\u30b8\u30e5\u30fc\u30eb\u306f\u3001\u30c7\u30fc\u30bf\u8ee2\u9001\u306e\u5165\u53e3\u3068\u51fa\u53e3\u3068\u3057\u3066\u6a5f\u80fd\u3057\u307e\u3059\u3002\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8\u3001DSL\u3001\u30d5\u30a1\u30a4\u30d0\u30fc\u3001\u307e\u305f\u306f\u305d\u306e\u4ed6\u306e\u30bf\u30a4\u30d7\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30a8\u30f3\u30b8\u30f3:<\/strong> \u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30a8\u30f3\u30b8\u30f3\u306f\u3001\u30c7\u30fc\u30bf \u30d1\u30b1\u30c3\u30c8\u304c\u5b9b\u5148\u306b\u5230\u9054\u3059\u308b\u305f\u3081\u306e\u6700\u9069\u306a\u30d1\u30b9\u3092\u6c7a\u5b9a\u3059\u308b\u5f79\u5272\u3092\u62c5\u3044\u307e\u3059\u3002\u3053\u306e\u6c7a\u5b9a\u306b\u306f\u3001BGP\u3001OSPF\u3001RIP \u306a\u3069\u306e\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30d7\u30ed\u30c8\u30b3\u30eb\u304c\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ee2\u9001\u30a8\u30f3\u30b8\u30f3:<\/strong> \u8ee2\u9001\u30a8\u30f3\u30b8\u30f3\u306f\u3001\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0 \u30a8\u30f3\u30b8\u30f3\u306b\u3088\u3063\u3066\u884c\u308f\u308c\u305f\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u6c7a\u5b9a\u306b\u57fa\u3065\u3044\u3066\u3001\u5b9f\u969b\u306e\u30d1\u30b1\u30c3\u30c8\u8ee2\u9001\u3092\u51e6\u7406\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\uff1a<\/strong> CER \u306b\u306f\u3001\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc\u3092\u78ba\u4fdd\u3059\u308b\u305f\u3081\u306e\u30d5\u30a1\u30a4\u30a2\u30a6\u30a9\u30fc\u30eb\u6a5f\u80fd\u3001\u4fb5\u5165\u691c\u77e5\/\u9632\u6b62\u30b7\u30b9\u30c6\u30e0 (IDS\/IPS)\u3001VPN \u30b5\u30dd\u30fc\u30c8\u304c\u542b\u307e\u308c\u308b\u3053\u3068\u304c\u3088\u304f\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u306e\u4e3b\u306a\u6a5f\u80fd<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u3001\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u6b20\u304b\u305b\u306a\u3044\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u3092\u5099\u3048\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3:<\/strong> CER \u306b\u3088\u308a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u30bb\u30b0\u30e1\u30f3\u30c6\u30fc\u30b7\u30e7\u30f3\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u4f01\u696d\u306f\u3055\u307e\u3056\u307e\u306a\u90e8\u9580\u3084\u30e6\u30fc\u30b6\u30fc \u30b0\u30eb\u30fc\u30d7\u3092\u5206\u96e2\u3057\u3066\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u5272\u308a\u5f53\u3066\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306e\u512a\u5148\u9806\u4f4d:<\/strong> QoS \u6a5f\u80fd\u306b\u3088\u308a\u3001CER \u306f\u7279\u5b9a\u306e\u7a2e\u985e\u306e\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u512a\u5148\u3057\u3001\u91cd\u8981\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306b\u5fc5\u8981\u306a\u5e2f\u57df\u5e45\u304c\u78ba\u4fdd\u3055\u308c\u3001\u6642\u9593\u306b\u654f\u611f\u306a\u30c7\u30fc\u30bf\u306e\u9045\u5ef6\u304c\u77ed\u7e2e\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ca0\u8377\u5206\u6563:<\/strong> CER \u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u63a5\u7d9a\u306b\u5206\u6563\u3057\u3001\u5e2f\u57df\u5e45\u306e\u4f7f\u7528\u7387\u3092\u6700\u9069\u5316\u3057\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u5197\u9577\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a2\u30c9\u30ec\u30b9\u5909\u63db (NAT):<\/strong> CER \u306f NAT \u3092\u4f7f\u7528\u3057\u3066 LAN \u306e\u30d7\u30e9\u30a4\u30d9\u30fc\u30c8 IP \u30a2\u30c9\u30ec\u30b9\u3092\u5358\u4e00\u306e\u30d1\u30d6\u30ea\u30c3\u30af IP \u30a2\u30c9\u30ec\u30b9\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5c64\u3092\u63d0\u4f9b\u3057\u3001IP \u30a2\u30c9\u30ec\u30b9\u7a7a\u9593\u3092\u7bc0\u7d04\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>VPN \u30b5\u30dd\u30fc\u30c8:<\/strong> CER \u306f\u5b89\u5168\u306a VPN \u63a5\u7d9a\u3092\u78ba\u7acb\u3057\u3001\u30ea\u30e2\u30fc\u30c8 \u30e6\u30fc\u30b6\u30fc\u304c\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u7d4c\u7531\u3067\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u5b89\u5168\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u30fc\u306e\u7a2e\u985e<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306b\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8981\u4ef6\u306b\u5bfe\u5fdc\u3059\u308b\u305f\u3081\u306b\u3001\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u3068\u69cb\u6210\u304c\u3042\u308a\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306a CER \u306e\u30bf\u30a4\u30d7\u306e\u6982\u8981\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7d71\u5408\u30b5\u30fc\u30d3\u30b9<\/td>\n<td>\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3001\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001QoS \u6a5f\u80fd\u3092 1 \u3064\u306e\u30c7\u30d0\u30a4\u30b9\u306b\u7d71\u5408\u3057\u305f\u30aa\u30fc\u30eb\u30a4\u30f3\u30ef\u30f3 \u30eb\u30fc\u30bf\u30fc\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4eee\u60f3CPE<\/td>\n<td>\u4eee\u60f3\u5316\u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u4e0a\u3067\u5b9f\u884c\u3055\u308c\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u67d4\u8edf\u6027\u3092\u63d0\u4f9b\u3059\u308b\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2 \u30d9\u30fc\u30b9\u306e CER\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d6\u30e9\u30f3\u30c1\u30eb\u30fc\u30bf\u30fc<\/td>\n<td>\u5c0f\u898f\u6a21\u304b\u3089\u4e2d\u898f\u6a21\u306e\u30aa\u30d5\u30a3\u30b9\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u652f\u5e97\u306b\u5b89\u5168\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u63a5\u7d9a\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30de\u30eb\u30c1\u30b5\u30fc\u30d3\u30b9\u30eb\u30fc\u30bf\u30fc<\/td>\n<td>\u30c7\u30fc\u30bf\u3001\u97f3\u58f0\u3001\u30d3\u30c7\u30aa\u306a\u3069\u306e\u8907\u6570\u306e\u30b5\u30fc\u30d3\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u304a\u308a\u3001\u5927\u4f01\u696d\u306b\u6700\u9069\u3067\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u306e\u4f7f\u7528\u65b9\u6cd5\u3068\u95a2\u9023\u3059\u308b\u8ab2\u984c<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u6c4e\u7528\u6027\u304c\u9ad8\u3044\u305f\u3081\u3001\u3055\u307e\u3056\u307e\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u4f7f\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5bb6\u5ead\u304a\u3088\u3073\u4e2d\u5c0f\u4f01\u696d\u5411\u3051\u30cd\u30c3\u30c8\u30ef\u30fc\u30ad\u30f3\u30b0:<\/strong> CER \u306f\u3001\u30ed\u30fc\u30ab\u30eb \u30c7\u30d0\u30a4\u30b9\u3092\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u306b\u5b89\u5168\u306b\u63a5\u7d9a\u3059\u308b\u305f\u3081\u306b\u3001\u5bb6\u5ead\u3084\u5c0f\u898f\u6a21\u30d3\u30b8\u30cd\u30b9\u74b0\u5883\u3067\u3088\u304f\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d6\u30e9\u30f3\u30c1\u30aa\u30d5\u30a3\u30b9\u306e\u63a5\u7d9a:<\/strong> \u5927\u898f\u6a21\u306a\u7d44\u7e54\u3067\u306f\u3001CER \u304c\u30d6\u30e9\u30f3\u30c1 \u30aa\u30d5\u30a3\u30b9\u3092\u30e1\u30a4\u30f3 \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3057\u3001\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u30c7\u30fc\u30bf \u30d5\u30ed\u30fc\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc (ISP):<\/strong> ISP \u306f\u3001\u5185\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u3088\u308a\u5e83\u7bc4\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u9593\u306e\u9867\u5ba2\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u7ba1\u7406\u304a\u3088\u3073\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3059\u308b\u305f\u3081\u306b CER \u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u305f\u3060\u3057\u3001CER \u306e\u4f7f\u7528\u306b\u306f\u6b21\u306e\u3088\u3046\u306a\u8ab2\u984c\u3082\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\n<p><strong>\u69cb\u6210\u306e\u8907\u96d1\u3055:<\/strong> CER \u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3068\u69cb\u6210\u306f\u3001\u7279\u306b\u6280\u8853\u306b\u8a73\u3057\u304f\u306a\u3044\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u306f\u8907\u96d1\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4e0a\u306e\u61f8\u5ff5:<\/strong> \u4e0d\u9069\u5207\u306b\u69cb\u6210\u3055\u308c\u305f CER \u306f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u4fb5\u5bb3\u306b\u5bfe\u3057\u3066\u8106\u5f31\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5f37\u529b\u306a\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u5bfe\u7b56\u304c\u5fc5\u8981\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af:<\/strong> \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u6a5f\u80fd\u304c\u4e0d\u5341\u5206\u3060\u3068\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c\u3084\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u8f3b\u8f33\u304c\u767a\u751f\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ul>\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3059\u308b\u306b\u306f\u3001\u5fb9\u5e95\u3057\u305f\u8a08\u753b\u3001\u5b9a\u671f\u7684\u306a\u66f4\u65b0\u3001\u9069\u5207\u306a\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u304c\u4e0d\u53ef\u6b20\u3067\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8<\/td>\n<td>\u9867\u5ba2\u306e LAN \u3068\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u5883\u754c\u3002\u901a\u5e38\u3001CER \u306f\u3053\u3053\u306b\u914d\u7f6e\u3055\u308c\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u30a8\u30c3\u30b8<\/td>\n<td>\u30b5\u30fc\u30d3\u30b9 \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u3001\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u304c\u52d5\u4f5c\u3059\u308b\u3088\u308a\u5e83\u7bc4\u306a\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8\u3068\u306e\u9593\u306e\u5883\u754c\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u9867\u5ba2\u69cb\u5185\u8a2d\u5099 (CPE)<\/td>\n<td>CER \u3092\u542b\u3080\u3001\u9867\u5ba2\u306e\u5834\u6240\u306b\u3042\u308b\u30c7\u30d0\u30a4\u30b9\u306e\u7dcf\u79f0\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u306e\u5c55\u671b\u3068\u5c06\u6765\u306e\u6280\u8853<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u5c06\u6765\u306f\u6709\u671b\u3067\u3042\u308a\u3001\u6b21\u306e\u3088\u3046\u306a\u3044\u304f\u3064\u304b\u306e\u9032\u6b69\u304c\u898b\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5b9a\u7fa9\u30cd\u30c3\u30c8\u30ef\u30fc\u30af (SDN):<\/strong> SDN \u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u306f\u3001\u5236\u5fa1\u30d7\u30ec\u30fc\u30f3\u3092\u8ee2\u9001\u30d7\u30ec\u30fc\u30f3\u304b\u3089\u5206\u96e2\u3059\u308b\u3053\u3068\u3067 CER \u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u3001\u3088\u308a\u67d4\u8edf\u3067\u30d7\u30ed\u30b0\u30e9\u30e0\u53ef\u80fd\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3092\u5b9f\u73fe\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>5G\u306e\u7d71\u5408:<\/strong> 5G \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306e\u666e\u53ca\u306b\u4f34\u3044\u3001CER \u306f 5G \u6a5f\u80fd\u3092\u7d44\u307f\u8fbc\u3093\u3067\u3001\u3088\u308a\u9ad8\u901f\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u63a5\u7d9a\u3092\u63d0\u4f9b\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>AI\u3068\u81ea\u52d5\u5316:<\/strong> AI \u99c6\u52d5\u578b\u306e\u81ea\u52d5\u5316\u306b\u3088\u308a\u3001CER \u306e\u69cb\u6210\u3068\u7ba1\u7406\u304c\u5408\u7406\u5316\u3055\u308c\u3001\u4eba\u70ba\u7684\u30a8\u30e9\u30fc\u306e\u30ea\u30b9\u30af\u304c\u8efd\u6e1b\u3055\u308c\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u95a2\u9023\u4ed8\u3051\u65b9\u6cd5<\/h2>\n<p>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u5185\u3067\u76f8\u4e92\u306b\u88dc\u5b8c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>\n<p><strong>\u5f37\u5316\u3055\u308c\u305f\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001CER \u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30a4\u30f3\u30bf\u30fc\u30cd\u30c3\u30c8 \u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3057\u3066\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u3053\u3068\u3067\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u533f\u540d\u6027\u3068\u30d7\u30e9\u30a4\u30d0\u30b7\u30fc:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u304c CER \u306b\u5230\u9054\u3059\u308b\u524d\u306b\u30e6\u30fc\u30b6\u30fc\u306e IP \u30a2\u30c9\u30ec\u30b9\u3092\u30de\u30b9\u30af\u3059\u308b\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u533f\u540d\u6027\u3092\u78ba\u4fdd\u3067\u304d\u307e\u3059\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u8ca0\u8377\u5206\u6563:<\/strong> CER \u306f\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3057\u3066\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u3092\u8907\u6570\u306e\u30d7\u30ed\u30ad\u30b7\u306b\u5206\u6563\u3057\u3001\u8ca0\u8377\u5206\u6563\u3092\u6700\u9069\u5316\u3057\u307e\u3059\u3002<\/p>\n<\/li>\n<\/ol>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306e\u8a73\u7d30\u306b\u3064\u3044\u3066\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/www.cisco.com\/c\/en\/us\/support\/docs\/ios-nx-os-software\/ios-xr-software\/213557-understanding-customer-edge-and-provider-edge.html\" target=\"_new\" rel=\"noopener nofollow\">\u30b7\u30b9\u30b3: \u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8\u3068\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc \u30a8\u30c3\u30b8\u3092\u7406\u89e3\u3059\u308b<\/a><\/li>\n<li><a href=\"https:\/\/www.juniper.net\/documentation\/en_US\/day-one-books\/day-one-routing-fundamentals\/cust-edge-router.pdf\" target=\"_new\" rel=\"noopener nofollow\">\u30b8\u30e5\u30cb\u30d1\u30fc\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30b9: \u30ab\u30b9\u30bf\u30de\u30fc\u30a8\u30c3\u30b8\u30eb\u30fc\u30bf\u30fc\u3092\u7406\u89e3\u3059\u308b<\/a><\/li>\n<\/ul>\n<p>\u7d50\u8ad6\u3068\u3057\u3066\u3001\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u3001\u9867\u5ba2\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u3068\u5916\u90e8\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u9593\u306e\u30b7\u30fc\u30e0\u30ec\u30b9\u306a\u63a5\u7d9a\u3092\u53ef\u80fd\u306b\u3059\u308b\u91cd\u8981\u306a\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30c7\u30d0\u30a4\u30b9\u3067\u3059\u3002\u305d\u306e\u6c4e\u7528\u6027\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u6a5f\u80fd\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u306e\u7d71\u5408\u306b\u3088\u308a\u3001\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc\u306f\u73fe\u4ee3\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af \u30a4\u30f3\u30d5\u30e9\u30b9\u30c8\u30e9\u30af\u30c1\u30e3\u306b\u6b20\u304b\u305b\u306a\u3044\u8981\u7d20\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u30fc\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u306b\u3064\u308c\u3066\u3001\u63a5\u7d9a\u3055\u308c\u305f\u4e16\u754c\u306e\u9ad8\u307e\u308b\u9700\u8981\u3092\u6e80\u305f\u3059\u3001\u3055\u3089\u306b\u6d17\u7df4\u3055\u308c\u52b9\u7387\u7684\u306a\u30ab\u30b9\u30bf\u30de\u30fc \u30a8\u30c3\u30b8 \u30eb\u30fc\u30bf\u30fc \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"featured_media":476520,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476519","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Customer Edge Router: Enhancing Proxy Server Connectivity<\/mark>","faq_items":[{"question":"What is a Customer Edge Router (CER)?","answer":"<p>A Customer Edge Router (CER) is a networking device located at the edge of a customer's network, serving as a gateway to connect the customer's LAN to the internet or a wide area network (WAN). It facilitates secure and efficient data exchange between the internal network and the external network, enabling seamless communication.<\/p>"},{"question":"How did Customer Edge Router (CER) originate?","answer":"<p>The concept of Customer Edge Router emerged in the early 1990s alongside the widespread adoption of the internet. As businesses and individuals sought to connect their networks to the internet, the need for a dedicated device to manage data flow and routing became evident, leading to the development of CERs.<\/p>"},{"question":"What are the key features of Customer Edge Router (CER)?","answer":"<p>Customer Edge Routers boast several key features that enhance network connectivity. These include network segmentation, traffic prioritization, load balancing, network address translation (NAT), and VPN support. These features ensure efficient data management, security, and privacy.<\/p>"},{"question":"How does a Customer Edge Router (CER) work internally?","answer":"<p>Internally, a Customer Edge Router comprises interface modules, a routing engine, a forwarding engine, and security features. Interface modules act as entry and exit points for data transmission, the routing engine determines the best path for data packets, the forwarding engine handles packet forwarding, and security features provide firewall, IDS\/IPS, and VPN support.<\/p>"},{"question":"What types of Customer Edge Router (CER) are available?","answer":"<p>There are several types of Customer Edge Routers catering to different networking requirements. Some common types include Integrated Services Routers, Virtual CPEs, Branch Routers, and Multiservice Routers. Each type offers unique capabilities suited for specific scenarios.<\/p>"},{"question":"How can Customer Edge Router (CER) be used?","answer":"<p>Customer Edge Routers find application in various scenarios, such as home and small business networking, connecting branch offices to the main network in larger organizations, and facilitating internet service providers (ISPs) in managing customer traffic. They provide secure and reliable connections.<\/p>"},{"question":"What are the challenges related to Customer Edge Router (CER) use?","answer":"<p>Though beneficial, using CERs may pose challenges, including configuration complexity, security concerns if not properly set up, and potential performance bottlenecks with inadequate hardware capabilities. Addressing these challenges requires careful planning and regular maintenance.<\/p>"},{"question":"What is the future of Customer Edge Router (CER)?","answer":"<p>The future of Customer Edge Routers is promising, with technologies like Software-Defined Networking (SDN) integration, 5G support, and AI-driven automation on the horizon. These advancements will bring increased flexibility, faster connections, and streamlined management.<\/p>"},{"question":"How do proxy servers relate to Customer Edge Router (CER)?","answer":"<p>Proxy servers and Customer Edge Routers complement each other in network infrastructure. Proxy servers enhance security by filtering and caching traffic before reaching the CER. They provide anonymity and load balancing support, working together to optimize data flow and ensure a secure browsing experience.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476519","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/476519\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/476520"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=476519"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}