{"blog_url":"https://shinobi.hatenadiary.com/","version":"1.0","provider_url":"https://hatena.blog","type":"rich","published":"2026-05-06 20:23:05","url":"https://shinobi.hatenadiary.com/entry/2026/05/06/202305","author_url":"https://blog.hatena.ne.jp/mmenma/","author_name":"mmenma","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fshinobi.hatenadiary.com%2Fentry%2F2026%2F05%2F06%2F202305\" title=\"SPAN/RSPAN/ERSPAN\u3092\u6d3b\u7528\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u3068\u969c\u5bb3\u89e3\u6790\u306e\u5b9f\u8df5 - mmenma\u306e\u30d6\u30ed\u30b0\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"```html \u306a\u305c\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u304c\u73fe\u5834\u3067\u6b20\u304b\u305b\u306a\u3044\u306e\u304b \u300c\u30d1\u30b1\u30c3\u30c8\u3092\u898b\u306a\u3044\u3068\u59cb\u307e\u3089\u306a\u3044\u300d\u2014\u2014\u969c\u5bb3\u5bfe\u5fdc\u306e\u73fe\u5834\u3067\u305d\u3046\u611f\u3058\u305f\u7d4c\u9a13\u3001\u307f\u306a\u3055\u3093\u306b\u3082\u3042\u308b\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002ping\u306f\u901a\u308b\u3001\u7d4c\u8def\u3082\u554f\u984c\u306a\u3044\u3001\u306a\u306e\u306b\u30a2\u30d7\u30ea\u304c\u9045\u3044\u2026\u2026\u3002\u305d\u3046\u3044\u3046\u3068\u304d\u3001\u5b9f\u969b\u3092\u6d41\u308c\u3066\u3044\u308b\u30d1\u30b1\u30c3\u30c8\u3092\u6355\u307e\u3048\u3089\u308c\u308b\u304b\u3069\u3046\u304b\u304c\u3001\u89e3\u6c7a\u901f\u5ea6\u3092\u5927\u304d\u304f\u5de6\u53f3\u3057\u307e\u3059\u3002 SPAN\uff08Switched Port Analyzer\uff09\u3092\u306f\u3058\u3081\u3068\u3059\u308b\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u6280\u8853\u306f\u3001\u672c\u756a\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u306b\u4e00\u5207\u624b\u3092\u52a0\u3048\u305a\u306b\u300c\u30b3\u30d4\u30fc\u300d\u3092\u53d6\u308a\u51fa\u3059\u4ed5\u7d44\u307f\u3067\u3059\u3002Wireshark\u3067\u89e3\u6790\u3057\u305f\u308a\u3001IPS\u3084NDR\u30c4\u30fc\u30eb\u306b\u98df\u308f\u305b\u305f\u308a\u3001\u73fe\u5834\u3067\u306e\u4f7f\u3044\u9053\u306f\u5e83\u304c\u308b\u4e00\u65b9\u3067\u3059\u3002\u4eca\u56de\u306fSP\u2026","title":"SPAN/RSPAN/ERSPAN\u3092\u6d3b\u7528\u3057\u305f\u30c8\u30e9\u30d5\u30a3\u30c3\u30af\u30df\u30e9\u30fc\u30ea\u30f3\u30b0\u3068\u969c\u5bb3\u89e3\u6790\u306e\u5b9f\u8df5","blog_title":"mmenma\u306e\u30d6\u30ed\u30b0","categories":["\u30cd\u30c3\u30c8\u30ef\u30fc\u30af","\u30a4\u30f3\u30d5\u30e9","\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a8\u30f3\u30b8\u30cb\u30a2","\u6280\u8853\u89e3\u8aac"],"image_url":null,"width":"100%","height":"190","provider_name":"Hatena Blog"}