{"id":18398,"date":"2016-05-28T10:30:51","date_gmt":"2016-05-28T01:30:51","guid":{"rendered":"http:\/\/www.sssg.org\/blogs\/hiro345\/?p=18398"},"modified":"2016-05-28T10:24:33","modified_gmt":"2016-05-28T01:24:33","slug":"%e7%84%a1%e7%b7%9a%e3%82%a2%e3%82%af%e3%82%bb%e3%82%b9%e3%83%9d%e3%82%a4%e3%83%b3%e3%83%88%e3%81%aeip%e3%82%a2%e3%83%89%e3%83%ac%e3%82%b9%e3%81%8c%e3%82%8f%e3%81%8b%e3%82%89%e3%81%aa%e3%81%8b%e3%81%a3","status":"publish","type":"post","link":"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/18398.html","title":{"rendered":"\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306eIP\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u8abf\u3079\u305f"},"content":{"rendered":"<p>\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u8abf\u3079\u307e\u3057\u305f\u30022\u53f0\u306e\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u3066\u3001\u7247\u65b9\u3060\u3051DHCP\u30b5\u30fc\u30d0\u30fc\u3092\u6709\u52b9\u306b\u3057\u3066\u3042\u308a\u3001\u305d\u3061\u3089\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u308f\u304b\u3063\u3066\u3044\u3066\u7ba1\u7406\u753b\u9762\u306b\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u304b\u3089\u3001\u305d\u3061\u3089\u3067\u30ea\u30fc\u30b9\u3057\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u4e2d\u304b\u3089\u63a2\u305b\u3070\u3044\u3044\u304b\u3068\u601d\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u3044\u308d\u3044\u308d\u3068\u30c8\u30e9\u30d6\u30eb\u304c\u3002<br \/>\n<!--more--><br \/>\n\u307e\u305a\u3001\u30ea\u30fc\u30b9\u3055\u308c\u3066\u3044\u308bIP\u30a2\u30c9\u30ec\u30b9\u306e\u3069\u308c\u306b\u30a2\u30af\u30bb\u30b9\u3057\u3066\u3082\u7ba1\u7406\u753b\u9762\u304c\u51fa\u3066\u304d\u307e\u305b\u3093\u3002\u304a\u304b\u3057\u3044\u306a\u3001\u3068\u601d\u3063\u3066\u5bfe\u8c61\u306e\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306eMAC\u30a2\u30c9\u30ec\u30b9\u3092\u8abf\u3079\u3066\u307f\u305f\u3051\u3069\u3001\u8a72\u5f53\u3059\u308b\u3082\u306e\u304c\u4e00\u89a7\u306b\u51fa\u3066\u3044\u307e\u305b\u3093&#8230;<\/p>\n<p>\u3053\u3046\u3044\u3046\u3068\u304d\u306f\u3001arp\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3048\u3070\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306b\u3042\u308b\u30de\u30b7\u30f3\u306eMAC\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u308a\u307e\u3059\u3002MAC\u30a2\u30c9\u30ec\u30b9\u304cab:cd:ef:01:02:03\u3060\u3063\u305f\u3068\u3059\u308b\u3068\u3001\u4e0b\u8a18\u3067IP\u304c\u308f\u304b\u308b\u306f\u305a\u3067\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ arp -a | grep &quot;ab:cd:ef:01:02:03&quot;\r\ndhcp1234 (192.168.0.222) at ab:cd:ef:01:02:03 [ether] on br0\r\n<\/pre>\n<p>\u51fa\u3066\u3053\u306a\u3044\u5834\u5408\u306f\u3001\u901a\u4fe1\u304c\u3055\u308c\u3066\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002\u4eca\u56de\u3001\u3059\u3050\u306b\u306f\u898b\u3064\u304b\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002<br \/>\n\u3068\u3044\u3046\u3053\u3068\u3067\u3001ping\u3092\u6295\u3052\u307e\u304f\u308a\u307e\u3059\u3002192.168.0.1\u304b\u3089192.168.0.254\u307e\u3067ping\u3092\u3057\u3066\u307f\u3066\u3001\u5fdc\u7b54\u306e\u3042\u308b\u3082\u306e\u3092\u8abf\u3079\u308c\u3070\u826f\u3044\u306e\u3067\u3059\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ for t in `seq 254`; do ping -c 1 192.168.0.${t}; done\r\n<\/pre>\n<p>\u5fdc\u7b54\u304c\u306a\u304b\u3063\u305f\u3082\u306e\u306f\u3001incomplete\u3068\u306a\u308b\u306e\u3067\u3001\u4e0b\u8a18\u3067\u5fdc\u7b54\u304c\u3042\u3063\u305f\u3082\u306e\u304c\u308f\u304b\u308a\u307e\u3059\u3002MAC\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u3089\u306a\u3044\u6642\u306f\u3001\u3053\u3061\u3089\u3067\u7d5e\u308a\u8fbc\u3093\u3067\u3001\u7ba1\u7406\u753b\u9762\u304c\u3067\u308bIP\u30a2\u30c9\u30ec\u30b9\u3092\u304b\u305f\u3063\u3071\u3057\u304b\u3089\u8a66\u305b\u3070\u3044\u3044\u3067\u3059\u306d\u3002<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ arp -a | grep -v incomplete\r\n<\/pre>\n<p>MAC\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u308b\u306a\u3089\u3001\u3055\u3063\u304d\u306e\u30b3\u30de\u30f3\u30c9\u3067\u51fa\u3066\u304d\u307e\u3059\u3002\u4eca\u56de\u306f\u3001\u3053\u308c\u3067\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002\u3081\u3067\u305f\u3057\u3001\u3081\u3067\u305f\u3057\u3001\u3068\u601d\u3063\u305f\u306e\u3082\u3064\u304b\u306e\u307e\u3002<\/p>\n<p>\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3092\u3059\u308b\u524d\u306b\u9759\u7684\u306aIP\u30a2\u30c9\u30ec\u30b9\u3068\u306a\u308b\u3088\u3046\u306b\u3057\u3088\u3046\u3068\u3001MAC\u30a2\u30c9\u30ec\u30b9\u3068IP\u30a2\u30c9\u30ec\u30b9\u306e\u5bfe\u5fdc\u3092DHCP\u30b5\u30fc\u30d0\u3078\u8ffd\u52a0\u3057\u3066\u304b\u3089\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u518d\u8d77\u52d5\u3057\u305f\u3068\u3053\u308d\u3001\u307e\u305f\u7ba1\u7406\u753b\u9762\u306b\u63a5\u7d9a\u3067\u304d\u306a\u304f\u306a\u308a\u307e\u3057\u305f&#8230;\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u306f\u7121\u7dda\u63a5\u7d9a\u304c\u3067\u304d\u3066\u3001192.168.0.0\/24\u306e\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306b\u3082\u63a5\u7d9a\u304c\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3078\u8a2d\u5b9a\u3057\u305f\u306f\u305a\u306eIP\u30a2\u30c9\u30ec\u30b9\u3067\u7ba1\u7406\u753b\u9762\u3092\u8868\u793a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u8b0e\u3067\u3059\u3002<\/p>\n<p>\u3053\u3061\u3089\u306f\u3001\u3055\u304d\u307b\u3069\u3068\u540c\u3058\u65b9\u6cd5\u3067arp\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u307f\u305f\u306e\u3067\u3059\u304c\u3001\u8a72\u5f53\u3059\u308bMAC\u30a2\u30c9\u30ec\u30b9\u304c\u51fa\u3066\u304d\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3068\u3044\u3046\u3053\u3068\u306f\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u304b\u3089\u306f\u6d88\u3048\u3066\u3057\u307e\u3063\u3066\u3044\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u6709\u7ddaLAN\u3067\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3078PC\u3092\u63a5\u7d9a\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001\u3084\u3063\u3071\u308a\u308f\u304b\u3089\u306a\u3044\u3002\u30eb\u30fc\u30bf\u304c\u9593\u306b\u3042\u308c\u3070\u3001\u7d4c\u8def\u60c5\u5831\u3067\u308f\u304b\u308b\u306f\u305a\u306a\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305atraceroute\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3066\u3001\u540c\u3058\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u4e0a\u306e\u4ed6\u306e\u30de\u30b7\u30f3192.168.0.100\u307e\u3067\u306e\u7d4c\u8def\u3092\u8868\u793a\u3057\u3066\u307f\u307e\u3057\u305f\u304c\u3001HUB\u7d4c\u7531\u306a\u306e\u3067\u76f4\u7d50&#8230;<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ traceroute 192.168.0.100\r\ntraceroute to 192.168.0.100, 30 hops max, 60 byte packets\r\n 1  192.168.0.100  0.200 ms !X  0.141 ms !X  0.480 ms !X\r\n<\/pre>\n<p>\u4e0d\u601d\u8b70\u3060\u306a\u3041\u3001\u3068\u601d\u3063\u3066\u3001\u518d\u5ea6\u3001IP\u30a2\u30c9\u30ec\u30b9\u3068MAC\u30a2\u30c9\u30ec\u30b9\u306e\u4e00\u89a7\u3092arp\u3067\u8868\u793a\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u304c192.168.1.0\/24\u306eIP\u3067\u8868\u793a\u3055\u308c\u3066\u304d\u307e\u3057\u305f&#8230;<\/p>\n<pre class=\"brush: bash; gutter: true\">\r\n$ arp -a | grep &quot;ab:cd:ef:01:02:03&quot;\r\n? (192.168.1.3) at ab:cd:ef:01:02:03 [ether] on br0\r\n<\/pre>\n<p>\u3088\u304f\u308f\u304b\u308a\u307e\u305b\u3093\u304c\u3001\u3053\u308c\u3092\u624b\u304c\u304b\u308a\u306bPC\u5074\u3092192.168.1.2\u306b\u3057\u3066192.168.1.3\u3078\u63a5\u7d9a\u3057\u305f\u3068\u3053\u308d\u3001\u7121\u4e8b\u306b\u7ba1\u7406\u753b\u9762\u304c\u8868\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u9759\u7684IP\u30a2\u30c9\u30ec\u30b9\u306e\u6307\u5b9a\u3092DHCP\u30b5\u30fc\u30d0\u304b\u3089\u81ea\u52d5\u3067\u30ea\u30fc\u30b9\u3059\u308bIP\u30a2\u30c9\u30ec\u30b9\u306b\u4e00\u81f4\u3055\u305b\u3066\u518d\u8d77\u52d5\u3057\u305f\u3068\u3053\u308d\u3001\u4eca\u5ea6\u306f\u7121\u4e8b\u306b\u7ba1\u7406\u753b\u9762\u3078\u30a2\u30af\u30bb\u30b9\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u3053\u3046\u3044\u3063\u305f\u30c8\u30e9\u30d6\u30eb\u3092\u7c21\u5358\u306b\u89e3\u6c7a\u3067\u304d\u308b\u3088\u3046\u306b\u3001\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u63d0\u4f9b\u3057\u3066\u3044\u308b\u30e1\u30fc\u30ab\u30fc\u304b\u3089\u3001Windows\u306e\u5c02\u7528\u30c4\u30fc\u30eb\u306a\u3069\u304c\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u308c\u3092\u4f7f\u3046\u3068\u3082\u3063\u3068\u7c21\u5358\u306b\u3044\u308d\u3044\u308d\u3068\u89e3\u6c7a\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304c\u3001\u306a\u3093\u3068\u306a\u304f\u8abf\u3079\u3066\u89e3\u6c7a\u3067\u304d\u305f\u306e\u3067\u3001\u3088\u3057\u3068\u3057\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n<p>\u5168\u7136\u5225\u306e\u8a71\u306b\u306a\u308a\u307e\u3059\u304c\u3001\u5b9f\u306f\u30e2\u30d0\u30a4\u30eb\u7528\u306b\u300c<a type=\"amzn\" asin=\"B00NAJEJ3M\">ELECOM WiFi \u7121\u7ddaLAN\u30eb\u30fc\u30bf\u30fc \u30db\u30c6\u30eb\u7528 11n\/g\/b 300Mbps \u30b3\u30f3\u30d1\u30af\u30c8 \u30d6\u30e9\u30c3\u30af WRH-300BK2-S <\/a>\u300d\u3082\u6301\u3063\u3066\u3044\u3066\u3001\u666e\u6bb5\u306f\u5bb6\u3067\u3082\u4f7f\u304a\u3046\u304b\u3068\u601d\u3063\u305f\u3053\u3068\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3061\u3087\u3063\u3068\u8a66\u3057\u3066\u307f\u305f\u3068\u3053\u308d\u3001IP\u30a2\u30c9\u30ec\u30b9\u3092\u5909\u66f4\u3057\u3066\u904b\u7528\u3057\u3088\u3046\u3068\u3059\u308b\u3068\u8a2d\u5b9a\u304c\u9762\u5012\u3060\u3063\u305f\u308a\u3001\u7ba1\u7406\u753b\u9762\u3078\u30a2\u30af\u30bb\u30b9\u3067\u304d\u306a\u3044\u3053\u3068\u304c\u8d77\u304d\u3066\u3001\u300c\u3084\u306f\u308a\u30e2\u30d0\u30a4\u30eb\u7528\u3060\u3088\u306a\u300d\u3068\u611f\u3058\u3066\u3001\u666e\u901a\u306e\u5bb6\u5ead\u7528\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u8ffd\u52a0\u3057\u305f\u306e\u3067\u3059\u304c\u3001\u7d50\u5c40\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u307e\u308f\u308a\u306f\u3001\u3053\u3046\u3044\u3063\u305f\u30c8\u30e9\u30d6\u30eb\u304c\u767a\u751f\u3059\u308b\u306e\u3067\u3001\u7c21\u5358\u306b\u306f\u3044\u304b\u306a\u3044\u3082\u306e\u3060\u306a\u3041\u3068\u601d\u3044\u307e\u3057\u305f\u3002WRH-300BK2\u3082\u3001\u3082\u3046\u4e00\u5ea6\u8abf\u3079\u3066\u307f\u308b\u304b\u306a&#8230;<\/p>\n<p>\u610f\u5916\u3068\u30e9\u30ba\u30d1\u30a4\uff0bUSB\u7121\u7ddaLAN\u3092\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306b\u3057\u305f\u307b\u3046\u304c\u3001\u4f55\u304b\u3068\u3044\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3068\u3001\u3075\u3068\u601d\u3044\u307e\u3057\u305f\u3002\u30e9\u30ba\u30d1\u30a4\u306f\u5bb6\u3067\u306f\u4f59\u3063\u3066\u304d\u3066\u3044\u308b\u306e\u3067\u3001\u305d\u3046\u3044\u3046\u306e\u306b\u4f7f\u304a\u3046\u304b\u306a\u3002<\/p>\n<p><iframe loading=\"lazy\" style=\"width: 120px; height: 240px;\" src=\"\/\/rcm-jp.amazon.co.jp\/e\/cm?t=hiro345-22&amp;o=9&amp;p=8&amp;l=as1&amp;asins=B00NAJEJ3M&amp;ref=tf_til&amp;fc1=000000&amp;IS2=1&amp;lt1=_blank&amp;m=amazon&amp;lc1=0000FF&amp;bc1=000000&amp;bg1=FFFFFF&amp;f=ifr\" height=\"240\" width=\"320\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u306e\u30d5\u30a1\u30fc\u30e0\u30a6\u30a7\u30a2\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u3063\u305f\u306e\u3067\u3059\u304c\u3001IP\u30a2\u30c9\u30ec\u30b9\u304c\u308f\u304b\u3089\u306a\u304f\u306a\u3063\u3066\u3044\u305f\u306e\u3067\u8abf\u3079\u307e\u3057\u305f\u30022\u53f0\u306e\u7121\u7dda\u30a2\u30af\u30bb\u30b9\u30dd\u30a4\u30f3\u30c8\u3092\u4f7f\u3063\u3066\u3044\u3066\u3001\u7247\u65b9\u3060\u3051DHCP\u30b5\u30fc\u30d0\u30fc\u3092\u6709\u52b9\u306b\u3057\u3066\u3042\u308a\u3001\u305d\u3061\u3089\u306eIP &hellip; <a href=\"https:\/\/www.hiro345.net\/blogs\/hiro345\/archives\/18398.html\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[1282,1283],"class_list":["post-18398","post","type-post","status-publish","format-standard","hentry","category-linux","tag-arp","tag-traceroute"],"_links":{"self":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/18398","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/comments?post=18398"}],"version-history":[{"count":1,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/18398\/revisions"}],"predecessor-version":[{"id":18399,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/posts\/18398\/revisions\/18399"}],"wp:attachment":[{"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/media?parent=18398"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/categories?post=18398"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hiro345.net\/blogs\/hiro345\/wp-json\/wp\/v2\/tags?post=18398"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}