{"author_name":"kiririmode","title":"STP (Spanning Tree Protocol)","categories":["study"],"provider_url":"https://hatena.blog","blog_url":"https://kiririmode.hatenablog.jp/","published":"2008-08-13 00:00:02","url":"https://kiririmode.hatenablog.jp/entry/20080813/p3","image_url":null,"version":"1.0","provider_name":"Hatena Blog","type":"rich","description":"STP \u306f DEC \u306b\u3088\u3063\u3066\u958b\u767a\u3055\u308c\u305f\u30b9\u30a4\u30c3\u30c1\u30f3\u30b0\u30eb\u30fc\u30d7\u9632\u6b62\u7528\u306e\u30d7\u30ed\u30c8\u30b3\u30eb\uff0e\u73fe\u5728\u306e\u5b9f\u88c5\u306f IEEE 802.1d \u6e96\u62e0\u304c\u4e3b\u4f53\uff0e STP \u306e\u52d5\u4f5c\u306e\u6d41\u308c +\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u9078\u629e \u6700\u5c0f\u306e\u30d6\u30ea\u30c3\u30b8 ID \u3092\u6301\u3064\u30b9\u30a4\u30c3\u30c1\u304c\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u3068\u3057\u3066\u9078\u629e\u3055\u308c\u308b\uff0e\u30d6\u30ea\u30c3\u30b8 ID \u306f\u30d7\u30e9\u30a4\u30aa\u30ea\u30c6\u30a3 (\u30c7\u30d5\u30a9\u30eb\u30c8\u3067 0x8000) \u306b MAC \u30a2\u30c9\u30ec\u30b9\u3092\u52a0\u3048\u305f\u3082\u306e\uff0eBPDU (Bridge Protocol Data Unit) \u306b\u3088\u3063\u3066\u904b\u3070\u308c\u308b +\u975e\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u306e RP (Root Port) \u9078\u629e \u975e\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u306b\uff0c\u305d\u308c\u305e\u308c\u4e00\u3064\u305a\u3064 RP \u3092\u5b9a\u3081\u308b\uff0eRP \u306f\uff0c\u975e\u30eb\u30fc\u30c8\u30d6\u30ea\u30c3\u30b8\u306e\u6301\u3064\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u3046\u3061\uff0c\u30eb\u30fc\u30c8\u30d6\u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080813%2Fp3\" title=\"STP (Spanning Tree Protocol) - \u7406\u7cfb\u5b66\u751f\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","author_url":"https://blog.hatena.ne.jp/kiririmode/","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18","height":"190"}