{"id":557,"date":"2015-07-03T14:51:30","date_gmt":"2015-07-03T05:51:30","guid":{"rendered":"https:\/\/curecode.jp\/tech\/?p=557"},"modified":"2015-08-01T11:42:12","modified_gmt":"2015-08-01T02:42:12","slug":"ifconfig-up-siocsifflags-cannot-assign-requested-address","status":"publish","type":"post","link":"https:\/\/curecode.jp\/tech\/ifconfig-up-siocsifflags-cannot-assign-requested-address\/","title":{"rendered":"ifconfig up \u3067 SIOCSIFFLAGS: Cannot assign requested address \u30a8\u30e9\u30fc"},"content":{"rendered":"<p>CentOS 6 \u306e\u30b5\u30fc\u30d0\u3067\u3001IP\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3001\/etc\/sysconfig\/network-scripts\/ifcfg-eth0:0 \u30d5\u30a1\u30a4\u30eb\u306b\u8a18\u8f09\u3057\u3066<br \/>\n<code class=\"bash\">ifconfig up<\/code> \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u305f\u3089\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3057\u307e\u3044\u307e\u3057\u305f\u3002<\/p>\n<pre class=\"lang:sh decode:true \" ># ifconfig eth0:0 up\r\nSIOCSIFFLAGS: Cannot assign requested address<\/pre>\n<p>\u4ee5\u524d\u306f\u3053\u306e\u65b9\u6cd5\u3067\u3082\u3067\u304d\u305f\u306e\u3067\u3059\u304c\u3001\u3067\u304d\u306a\u304f\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<p>\u8a66\u3057\u306b\u624b\u4f5c\u696d\u3067<\/p>\n<pre class=\"lang:sh decode:true \" ># ifconfig eth0:0 192.168.200.20 netmask 255.255.255.0 up<\/pre>\n<p>\u306e\u3088\u3046\u306b\u3057\u3066\u3082\u30a8\u30e9\u30fc\u304c\u51fa\u307e\u3059\u3002\uff08\u3042\u3068\u3067\u8a66\u3057\u305f\u3089\u51fa\u306a\u3044\u30b1\u30fc\u30b9\u3082\u3042\u3063\u305f\uff09<\/p>\n<p>\u30b7\u30a7\u30eb\u304c\u65e5\u672c\u8a9e\u74b0\u5883\u3060\u3068<\/p>\n<pre class=\"lang:sh decode:true \" >SIOCSIFFLAGS: \u8981\u6c42\u30a2\u30c9\u30ec\u30b9\u306b\u5272\u308a\u5f53\u3066\u3089\u308c\u307e\u305b\u3093<\/pre>\n<p>\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>RHEL\/CentOS 6.4 \u4ee5\u964d\u3067\u306f\u3001\/etc\/sysconfig\/network-scripts\/ifcfg-eth0 \u306b\u8ffd\u8a18\u3059\u308b\u5f62\u306b\u5909\u308f\u3063\u305f\u3088\u3046\u3067\u3001\u305d\u308c\u4ee5\u524d\u306e\u5f62\u5f0f\u306f CentOS6.6 \u3067\u306f\u7121\u52b9\u306b\u306a\u3063\u305f\u3088\u3046\u3067\u3059\u3002<\/p>\n<pre class=\"lang:default decode:true \" >DEVICE=\"eth0\"\r\nNM_CONTROLLED=\"yes\"\r\nONBOOT=\"yes\"\r\nTYPE=Ethernet\r\nIPADDR=192.168.200.10\r\nNETMASK=255.255.255.0\r\nIPADDR2=192.168.200.20\r\nNETMASK2=255.255.255.0<\/pre>\n<p>\u3053\u308c\u3067 network \u3092\u30ea\u30ed\u30fc\u30c9\u3059\u308c\u3070\u826f\u3055\u305d\u3046\u3067\u3059\u3002<\/p>\n<pre><code class=\"bash\">\r\n# service network reload\r\n\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9 eth0 \u3092\u7d42\u4e86\u4e2d:                            [  OK  ]\r\n\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u7d42\u4e86\u4e2d                       [  OK  ]\r\n\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30a4\u30b9\u3092\u547c\u3073\u8fbc\u307f\u4e2d                   [  OK  ]\r\n\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9 eth0 \u3092\u6d3b\u6027\u5316\u4e2d:  Determining if ip address 192.168.200.20 is already in use for device eth0...\r\n                                                           [  OK  ]\r\n<\/code><\/pre>\n<p>\u3055\u3066\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u7ba1\u7406\u3067\u306f\u4eca\u5f8c ifconfig \u3067\u306f\u306a\u304f\u3001ip \u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><code class=\"bash\">ip add<\/code> \u3092\u4f7f\u3048\u3070 SIOCSIFFLAGS\uff5e\u306e\u30a8\u30e9\u30fc\u306f\u51fa\u307e\u305b\u3093\u3002<\/p>\n<pre class=\"lang:sh decode:true \" ># ip address add 192.168.200.20\/24 dev eth0\r\n<\/pre>\n<p>\u3053\u308c\u3089\u306e\u65b9\u6cd5\u3067\u8ffd\u52a0\u3057\u305f\u5834\u5408\u306f <code>ifconfig<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u306f IP \u30a8\u30a4\u30ea\u30a2\u30b9\u306f\u8868\u793a\u3055\u308c\u307e\u305b\u3093\u3002<code>ip a<\/code> \u30b3\u30de\u30f3\u30c9\u3067\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre class=\"lang:sh decode:true \" ># ip a\r\n1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN\r\n    link\/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\r\n    inet 127.0.0.1\/8 scope host lo\r\n2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000\r\n    link\/ether 00:00:5e:00:53:14 brd ff:ff:ff:ff:ff:ff\r\n    inet 192.168.200.10\/24 brd 192.168.200.255 scope global eth0\r\n    inet 192.168.200.20\/24 scope global secondary eth0\r\n<\/pre>\n<h3>IT\u30a8\u30f3\u30b8\u30cb\u30a2\u52df\u96c6\u4e2d\uff01<\/h3>\n<p>\u30ad\u30e5\u30a2\u30b3\u30fc\u30c9\u682a\u5f0f\u4f1a\u793e\u306fIT\u30a8\u30f3\u30b8\u30cb\u30a2\u3092\u52df\u96c6\u3057\u3066\u304a\u308a\u307e\u3059\u3002\u5c11\u4eba\u6570\u306e\u8077\u5834\u306a\u306e\u3067\u3001\u4e0a\u6d41\u30fb\u4e0b\u6d41\u3084\u30b5\u30fc\u30d0\u30fc\u30fb\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5bfe\u5fdc\u306e\u57a3\u6839\u306a\u304f\u3001\u3042\u306a\u305f\u306e\u5f37\u307f\u3092\u6d3b\u304b\u3057\u306a\u304c\u3089 \u3044\u308d\u3044\u308d\u306a\u3053\u3068\u306b\u30c1\u30e3\u30ec\u30f3\u30b8\u53ef\u80fd\u3067\u3059\u3002\u30a8\u30f3\u30b8\u30cb\u30a2\u3068\u3057\u3066\u306e\u672a\u7d4c\u9a13\u306e\u65b9\u3001\u7d4c\u9a13\u304c\u5c11\u306a\u3044\u65b9\u3082\u6b53\u8fce\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u4e0b\u8a18\u3088\u308aIT\u30a8\u30f3\u30b8\u30cb\u30a2\u52df\u96c6\u306e\u63a1\u7528\u60c5\u5831\u3092\u3054\u89a7\u3044\u305f\u3060\u3051\u307e\u3059\u3002<\/p>\n<div class=\"curecode_recruit_bn\">\n\t\t\t\t<a href=\"https:\/\/curecode.jp\/recruit\/itengineer\/\" target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/curecode.jp\/tech\/wp-content\/themes\/tech\/images\/it_recruit.png?20241220\" alt=\"\u4e8b\u696d\u62e1\u5927\u306b\u4f34\u3044\u65b0\u3057\u3044\u9818\u57df\u306b\u4e00\u7dd2\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u304f\u30e1\u30f3\u30d0\u30fc\u3092\u52df\u96c6\u3057\u307e\u3059\u3002\"  width=\"500\" height=\"180\"\/><br \/>\n\t\t\t\t<\/a>\n\t\t<\/div>\n<h3>\u30ad\u30e5\u30a2\u30b3\u30fc\u30c9\u516c\u5f0f\u30a4\u30f3\u30b9\u30bf\u30b0\u30e9\u30e0<\/h3>\n<p>\u30ad\u30e5\u30a2\u30b3\u30fc\u30c9\u682a\u5f0f\u4f1a\u793e\u306e\u65b0\u30b5\u30fc\u30d3\u30b9\u60c5\u5831\u3084\u3001\u30aa\u30d5\u30a3\u30b9\u30e9\u30a4\u30d5\u306e\u7d20\u6575\u306a\u77ac\u9593\u307e\u3067\u3002\u79c1\u305f\u3061\u306e\u65e5\u3005\u306e\u55b6\u307f\u3092\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<div class=\"curecode_recruit_bn\">\n\t\t\t\t<a href=\"https:\/\/www.instagram.com\/curecode\/\" target=\"_blank\" rel=\"noopener noreferrer\"><br \/>\n\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/curecode.jp\/tech\/wp-content\/themes\/tech\/images\/insta_bn.png?20241220\" alt=\"\u4e8b\u696d\u62e1\u5927\u306b\u4f34\u3044\u65b0\u3057\u3044\u9818\u57df\u306b\u4e00\u7dd2\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u304f\u30e1\u30f3\u30d0\u30fc\u3092\u52df\u96c6\u3057\u307e\u3059\u3002\"  width=\"500\" height=\"180\"\/><br \/>\n\t\t\t\t<\/a>\n\t\t<\/div>\n","protected":false},"excerpt":{"rendered":"<p>CentOS 6 \u306e\u30b5\u30fc\u30d0\u3067\u3001IP\u30a8\u30a4\u30ea\u30a2\u30b9\u3092\u8ffd\u52a0\u3057\u3088\u3046\u3068\u3001\/etc\/sysconfig\/netwo [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":558,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12,29],"tags":[63,62],"class_list":["post-557","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-network","tag-ip","tag-linux"],"_links":{"self":[{"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/posts\/557","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/comments?post=557"}],"version-history":[{"count":2,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/posts\/557\/revisions"}],"predecessor-version":[{"id":560,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/posts\/557\/revisions\/560"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/media\/558"}],"wp:attachment":[{"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/media?parent=557"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/categories?post=557"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/curecode.jp\/tech\/wp-json\/wp\/v2\/tags?post=557"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}