{"id":43115,"date":"2025-06-30T18:58:58","date_gmt":"2025-06-30T09:58:58","guid":{"rendered":"https:\/\/jouhou.main.jp\/?p=43115"},"modified":"2025-06-30T18:58:58","modified_gmt":"2025-06-30T09:58:58","slug":"red-hat-enetdown-100-%e5%af%be%e7%ad%96-network-is-down-%e3%82%a8%e3%83%a9%e3%83%bc%e7%99%ba%e7%94%9f%e6%99%82%e3%81%ae%e3%83%8d%e3%83%83%e3%83%88%e3%83%af%e3%83%bc%e3%82%af%e3%82%a4","status":"publish","type":"post","link":"https:\/\/jouhou.main.jp\/?p=43115","title":{"rendered":"Red\u00a0Hat ENETDOWN (100) \u5bfe\u7b56: &#8220;Network is down&#8221; \u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u518d\u8d77\u52d5\u3068\u8a3a\u65ad\u5bfe\u7b56\u7de8"},"content":{"rendered":"<style>h1.dai {    display: inline-block;    font-weight: bold;    border-left: solid 5px #38b3f2;    border-bottom: solid 1px #38b3f2;    margin-top: 25px; \/* \u4e0a\u306e\u7a7a\u767d\u30922\u500d *\/    margin-bottom: 5px;    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down\u300d\u3068\u3044\u3063\u305f\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u307e\u3059\u3002\u3053\u306e\u30a8\u30e9\u30fc\u306f\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u63a5\u7d9a\u3067\u304d\u306a\u304f\u306a\u308b\u305f\u3081\u3001\u30b5\u30fc\u30d0\u30fc\u3084\u30b5\u30fc\u30d3\u30b9\u306e\u505c\u6b62\u3001\u30c7\u30fc\u30bf\u306e\u9001\u53d7\u4fe1\u9045\u5ef6\u306a\u3069\u6df1\u523b\u306a\u5f71\u97ff\u3092\u53ca\u307c\u3057\u307e\u3059\u3002\u539f\u56e0\u306e\u7279\u5b9a\u306b\u306f\u3001\u307e\u305a\u30b7\u30b9\u30c6\u30e0\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u30a8\u30e9\u30fc\u304c\u767a\u751f\u3057\u305f\u6642\u70b9\u306e\u72b6\u614b\u3084\u8b66\u544a\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u628a\u63e1\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002\u307e\u305f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u305f\u3081\u306b\u3001\u300cip link show\u300d\u3084\u300cifconfig\u300d\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u7528\u3057\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u6709\u52b9\u30fb\u7121\u52b9\u72b6\u614b\u3084\u30a8\u30e9\u30fc\u72b6\u614b\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u3084\u8a2d\u5b9a\u30df\u30b9\u304c\u7591\u308f\u308c\u308b\u5834\u5408\u306f\u3001\u7269\u7406\u7684\u306a\u63a5\u7d9a\u3084\u8a2d\u5b9a\u5185\u5bb9\u3092\u898b\u76f4\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ea4\u63db\u3084\u4fee\u6b63\u3092\u884c\u3044\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30c9\u30e9\u30a4\u30d0\u306e\u4e0d\u5177\u5408\u306e\u5834\u5408\u306f\u3001\u6700\u65b0\u306e\u30c9\u30e9\u30a4\u30d0\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u3053\u3068\u3082\u4e00\u3064\u306e\u5bfe\u7b56\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u539f\u56e0\u306e\u7279\u5b9a\u3068\u7406\u89e3\u306f\u3001\u9069\u5207\u306a\u5bfe\u5fdc\u7b56\u3092\u9078\u629e\u3057\u3001\u30c8\u30e9\u30d6\u30eb\u306e\u65e9\u671f\u89e3\u6c7a\u306b\u76f4\u7d50\u3057\u307e\u3059\u3002<\/p>\n<p>\u8a73\u7d30\u306a\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u624b\u9806\u306f\u3001\u30a8\u30e9\u30fc\u306e\u6839\u672c\u539f\u56e0\u3092\u7279\u5b9a\u3057\u3001\u52b9\u679c\u7684\u306b\u5bfe\u51e6\u3059\u308b\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u3067\u3059\u3002\u307e\u305a\u3001\u30b7\u30b9\u30c6\u30e0\u306e\u30ed\u30b0\u3092\u78ba\u8a8d\u3057\u3001\u30a8\u30e9\u30fc\u767a\u751f\u6642\u306e\u8b66\u544a\u3084\u30a8\u30e9\u30fc\u30b3\u30fc\u30c9\u3092\u628a\u63e1\u3057\u307e\u3059\u3002Linux\u74b0\u5883\u3067\u306f\u3001\/var\/log\/messages\u3084dmesg\u30b3\u30de\u30f3\u30c9\u3092\u5229\u7528\u3057\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u95a2\u9023\u306e\u7570\u5e38\u3084\u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u306e\u6545\u969c\u5146\u5019\u3092\u63a2\u3059\u3053\u3068\u304c\u6709\u52b9\u3067\u3059\u3002\u6b21\u306b\u3001\u300cip link show\u300d\u3084\u300cifconfig\u300d\u30b3\u30de\u30f3\u30c9\u3092\u7528\u3044\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u72b6\u614b\u3092\u8a73\u7d30\u306b\u78ba\u8a8d\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u300cDOWN\u300d\u3084\u300cERROR\u300d\u304c\u8868\u793a\u3055\u308c\u3066\u3044\u308b\u5834\u5408\u306f\u3001\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u72b6\u614b\u7570\u5e38\u3092\u793a\u3057\u3066\u3044\u308b\u305f\u3081\u3001\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3078\u9032\u307f\u307e\u3059\u3002    \u307e\u305f\u3001\u7269\u7406\u7684\u306a\u63a5\u7d9a\u3084\u30b1\u30fc\u30d6\u30eb\u306e\u72b6\u614b\u3082\u91cd\u8981\u3067\u3059\u3002\u30b1\u30fc\u30d6\u30eb\u306e\u65ad\u7dda\u3084\u7de9\u307f\u3001\u30b9\u30a4\u30c3\u30c1\u306e\u30dd\u30fc\u30c8\u306e\u6545\u969c\u306a\u3069\u304c\u539f\u56e0\u306e\u5834\u5408\u3082\u3042\u308a\u307e\u3059\u3002\u3053\u308c\u3089\u3092\u78ba\u8a8d\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u4ea4\u63db\u3084\u518d\u63a5\u7d9a\u3092\u884c\u3044\u307e\u3059\u3002\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5074\u3067\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u8a2d\u5b9a\u306e\u898b\u76f4\u3057\u3082\u6b20\u304b\u305b\u307e\u305b\u3093\u3002IP\u30a2\u30c9\u30ec\u30b9\u306e\u91cd\u8907\u3084\u8aa4\u8a2d\u5b9a\u3001\u30cd\u30c3\u30c8\u30de\u30b9\u30af\u3084\u30b2\u30fc\u30c8\u30a6\u30a7\u30a4\u306e\u8a2d\u5b9a\u30df\u30b9\u3092\u4fee\u6b63\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30c9\u30e9\u30a4\u30d0\u306e\u4e0d\u5177\u5408\u304c\u7591\u308f\u308c\u308b\u5834\u5408\u306f\u3001\u6700\u65b0\u306e\u30c9\u30e9\u30a4\u30d0\u306b\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3001\u518d\u8d77\u52d5\u3092\u884c\u3046\u3053\u3068\u3067\u554f\u984c\u304c\u89e3\u6c7a\u3059\u308b\u30b1\u30fc\u30b9\u3082\u3042\u308a\u307e\u3059\u3002 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