{"id":7678,"date":"2011-10-15T06:11:47","date_gmt":"2011-10-14T21:11:47","guid":{"rendered":"http:\/\/tec.jpn.ph\/wordpress\/?p=7678"},"modified":"2013-08-04T20:24:47","modified_gmt":"2013-08-04T11:24:47","slug":"ubuntu-11-10%e3%81%8b%e3%82%89etcnetworkinterfaces%e3%81%a7%e3%81%aeip-aliasing%e3%81%ae%e3%82%b5%e3%83%9d%e3%83%bc%e3%83%88%e3%81%8c%e4%b8%ad%e9%80%94%e5%8d%8a%e7%ab%af%e3%81%ab%e3%81%aa%e3%81%a3","status":"publish","type":"post","link":"http:\/\/tec-jpn.net\/wordpress\/?p=7678","title":{"rendered":"Ubuntu 11.10\u304b\u3089\/etc\/network\/interfaces\u3067\u306eIP aliasing\u306e\u30b5\u30dd\u30fc\u30c8\u304c\u4e2d\u9014\u534a\u7aef\u306b\u306a\u3063\u305f"},"content":{"rendered":"

\u73fe\u8c61<\/h3>\n

\u3000\/etc\/network\/interfaces\u306b\u4f8b\u3048\u3070<\/p>\n

\r\nauto lo eth1 eth1:1\r\niface eth1\r\n  address 1.2.3.4\r\n  netmask 255.255.255.0\r\n  gateway 1.2.3.1\r\niface eth1:1\r\n  address 1.2.3.5\r\n  netmask 255.255.255.0\r\n<\/pre>\n
\u306e\u3088\u3046\u306b\u66f8\u3044\u3066eth1\u306b\u8907\u6570\u306eIP\u30a2\u30c9\u30ec\u30b9\u3092\u632f\u3063\u3066\u3044\u305f\u5834\u5408\u3001Ubuntu 11.04\u307e\u3067\u306f\u3001ifconfig -a\u3059\u308b\u3068<\/p>\n
\r\n# ifconfig -a\r\neth1      Link encap:\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8  \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9 00:d0:b7:09:xx:xx\r\n          inet\u30a2\u30c9\u30ec\u30b9:1.2.3.4  \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8:0.0.0.0  \u30de\u30b9\u30af:255.255.255.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: fe80::2d0:b7ff:fe09:3e77\/64 \u7bc4\u56f2:\u30ea\u30f3\u30af\r\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:65564 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:88727 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:1000\r\n          RX\u30d0\u30a4\u30c8:8445020 (8.4 MB)  TX\u30d0\u30a4\u30c8:80644469 (80.6 MB)\r\n\r\neth1:1    Link encap:\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8  \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9 00:d0:b7:09:xx:xx\r\n          inet\u30a2\u30c9\u30ec\u30b9:1.2.3.5  \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8:0.0.0.0  \u30de\u30b9\u30af:255.255.255.0\r\n\r\nlo        Link encap:\u30ed\u30fc\u30ab\u30eb\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\r\n          inet\u30a2\u30c9\u30ec\u30b9:127.0.0.1  \u30de\u30b9\u30af:255.0.0.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: ::1\/128 \u7bc4\u56f2:\u30db\u30b9\u30c8\r\n          UP LOOPBACK RUNNING  MTU:16436  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:0\r\n          RX\u30d0\u30a4\u30c8:241622 (241.6 KB)  TX\u30d0\u30a4\u30c8:241622 (241.6 KB)\r\n<\/pre>\n
\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3066\u3044\u305f\u306e\u304c\u3001Ubuntu 11.10\u304b\u3089\u306f<\/p>\n
\r\n# ifconfig -a\r\neth1      Link encap:\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8  \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9 00:d0:b7:09:xx:xx\r\n          inet\u30a2\u30c9\u30ec\u30b9:1.2.3.4  \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8:0.0.0.0  \u30de\u30b9\u30af:255.255.255.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: fe80::2d0:b7ff:fe09:3e77\/64 \u7bc4\u56f2:\u30ea\u30f3\u30af\r\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:65564 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:88727 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:1000\r\n          RX\u30d0\u30a4\u30c8:8445020 (8.4 MB)  TX\u30d0\u30a4\u30c8:80644469 (80.6 MB)\r\n\r\nlo        Link encap:\u30ed\u30fc\u30ab\u30eb\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\r\n          inet\u30a2\u30c9\u30ec\u30b9:127.0.0.1  \u30de\u30b9\u30af:255.0.0.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: ::1\/128 \u7bc4\u56f2:\u30db\u30b9\u30c8\r\n          UP LOOPBACK RUNNING  MTU:16436  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:0\r\n          RX\u30d0\u30a4\u30c8:241622 (241.6 KB)  TX\u30d0\u30a4\u30c8:241622 (241.6 KB)\r\n<\/pre>\n
\u3068\u3057\u304b\u8868\u793a\u3055\u308c\u306a\u304f\u306a\u3063\u305f\u3002\u3057\u304b\u3057\u3001ip addr\u3059\u308b\u3068<\/p>\n
\r\n# ip addr\r\n1: lo: <loopback ,UP,LOWER_UP> mtu 16436 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\n    inet6 ::1\/128 scope host\r\n       valid_lft forever preferred_lft forever\r\n2: eth1: <broadcast ,MULTICAST,UP,LOWER_UP> mtu 1426 qdisc pfifo_fast state UP qlen 1000\r\n    link\/ether 00:02:b3:4c:xx:xx brd ff:ff:ff:ff:ff:ff\r\n    inet 1.2.3.4\/24 scope global eth2\r\n    inet 1.2.3.5\/24 scope global secondary eth2\r\n    inet6 fe80::202:b3ff:fe4c:cc2a\/64 scope link\r\n       valid_lft forever preferred_lft forever\r\n<\/pre>\n
\u306e\u3088\u3046\u306b\u8868\u793a\u3055\u308c\u3001\u305d\u306e\u4ed6\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304b\u3089\u30821.2.3.4\u30821.2.3.5\u3082\u4f7f\u3048\u308b\u72b6\u614b\u3067\u3042\u308b\u3002\u3064\u307e\u308a\u3001\u4e00\u5fdc\u8ffd\u52a0\u306eIP\u30a2\u30c9\u30ec\u30b9\u306f\u8a2d\u5b9a\u3067\u304d\u3066\u3044\u308b\u3088\u3046\u3067\u3042\u308b\u304c\u3001ifconfig -a\u306e\u8868\u793a\u3060\u3051\u304c\u304a\u304b\u3057\u3044\u3002<\/p>\n
\u539f\u56e0<\/h3>\n
\u3000\/etc\/network\/interfaces\u306e\u8a2d\u5b9a\u3092\u8aad\u3093\u3067\u5b9f\u969b\u306b\u30b7\u30b9\u30c6\u30e0\u306b\u8a2d\u5b9a\u3057\u3066\u3044\u308bifupdown\u304c\u4f7f\u7528\u3057\u3066\u3044\u308bAPI\u304c\u3001ifupdown\u306echangelog(\u8aad\u3080\u306b\u306fapt-get changelog ifupdown\u305b\u3088)\u306b\u3088\u308b\u3068\u3001Ubuntu 11.04\u642d\u8f09\u306e\u30d0\u30fc\u30b8\u30e7\u30f30.6\u304b\u308911.10\u642d\u8f09\u306e0.7\u306e\u9593\u3067\u5909\u66f4\u306b\u306a\u3063\u305f\u3089\u3057\u3044\u3002\u3069\u3046\u3082\u305d\u306e\u3068\u304d\u306bIP aliasing\u4e92\u63db\u3078\u306e\u5bfe\u5fdc\u304c\u629c\u3051\u843d\u3061\u305f\u306e\u3067\u306f\u306a\u3044\u304b\u3002\u304a\u305d\u3089\u304f\u3082\u3068\u304b\u3089\u65b0\u3057\u3044API\u3092\u4f7f\u3063\u3066\u3044\u308b\u3067\u3042\u308d\u3046ip\u30b3\u30de\u30f3\u30c9\u3092\u4f7f\u3063\u3066\u3082\u3001\u6b21\u306e\u3088\u3046\u306blabel\u3068\u3057\u3066\u6307\u5b9a\u3059\u308c\u3070IP aliasing\u4e92\u63db\u306e\u8a2d\u5b9a\u304c\u3067\u304d\u308b\u3002
\n(\/etc\/network\/interfaces\u306beth1:1\u306e\u8a2d\u5b9a\u304c\u306a\u3044\u3082\u306e\u3068\u3057\u3066)<\/p>\n
\r\n# ip -4 addr add 1.2.3.5\/24 dev eth1 brd + scope global label eth1:1\r\n# ifconfig -a\r\neth1      Link encap:\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8  \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9 00:d0:b7:09:xx:xx\r\n          inet\u30a2\u30c9\u30ec\u30b9:1.2.3.4  \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8:0.0.0.0  \u30de\u30b9\u30af:255.255.255.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: fe80::2d0:b7ff:fe09:3e77\/64 \u7bc4\u56f2:\u30ea\u30f3\u30af\r\n          UP BROADCAST RUNNING MULTICAST  MTU:1500  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:65564 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:88727 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:1000\r\n          RX\u30d0\u30a4\u30c8:8445020 (8.4 MB)  TX\u30d0\u30a4\u30c8:80644469 (80.6 MB)\r\n\r\neth1:1    Link encap:\u30a4\u30fc\u30b5\u30cd\u30c3\u30c8  \u30cf\u30fc\u30c9\u30a6\u30a7\u30a2\u30a2\u30c9\u30ec\u30b9 00:d0:b7:09:xx:xx\r\n          inet\u30a2\u30c9\u30ec\u30b9:1.2.3.5  \u30d6\u30ed\u30fc\u30c9\u30ad\u30e3\u30b9\u30c8:0.0.0.0  \u30de\u30b9\u30af:255.255.255.0\r\n\r\nlo        Link encap:\u30ed\u30fc\u30ab\u30eb\u30eb\u30fc\u30d7\u30d0\u30c3\u30af\r\n          inet\u30a2\u30c9\u30ec\u30b9:127.0.0.1  \u30de\u30b9\u30af:255.0.0.0\r\n          inet6\u30a2\u30c9\u30ec\u30b9: ::1\/128 \u7bc4\u56f2:\u30db\u30b9\u30c8\r\n          UP LOOPBACK RUNNING  MTU:16436  \u30e1\u30c8\u30ea\u30c3\u30af:1\r\n          RX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30d5\u30ec\u30fc\u30e0:0\r\n          TX\u30d1\u30b1\u30c3\u30c8:2392 \u30a8\u30e9\u30fc:0 \u640d\u5931:0 \u30aa\u30fc\u30d0\u30e9\u30f3:0 \u30ad\u30e3\u30ea\u30a2:0\r\n          \u885d\u7a81(Collisions):0 TX\u30ad\u30e5\u30fc\u9577:0\r\n          RX\u30d0\u30a4\u30c8:241622 (241.6 KB)  TX\u30d0\u30a4\u30c8:241622 (241.6 KB)\r\n<\/pre>\n
\u3000ifconfig\u306f\u53e4\u3044\u306e\u3067\u3001IP aliasing\u3092\u4f7f\u308f\u306a\u3044\u3067\u4e00\u3064\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306b\u76f4\u63a5IP\u30a2\u30c9\u30ec\u30b9\u3092\u8907\u6570\u5272\u308a\u5f53\u3066\u305f\u5834\u5408\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u306a\u3044\u3002<\/p>\n
\u5bfe\u51e6\u6cd5<\/h3>\n
\u3000\u6839\u672c\u7684\u306b\u306fifupdown\u306e\u4fee\u6b63\u304c\u5fc5\u8981\u3060\u304c\u3001\u3068\u308a\u3042\u3048\u305a\u8a2d\u5b9a\u306e\u78ba\u8a8d\u306b\u306f\u53e4\u304d\u826f\u304difconfig -a\u306e\u3053\u3068\u306f\u5fd8\u308c\u3001ip addr\u3092\u4f7f\u3046\u3002\u8a2d\u5b9a\u305d\u306e\u3082\u306e\u306f\u3044\u307e\u307e\u3067\u306e\/etc\/network\/interfaces\u306e\u66f8\u304d\u65b9\u305d\u306e\u307e\u307e\u3067\u3067\u304d\u3066\u3044\u308b\u306e\u3067\u5bfe\u51e6\u4e0d\u8981\u3002<\/p>\n
\u53c2\u7167<\/h3>\n
“ifconfig -a” does not show all the inet4 interfaces<\/a> ifconfig\u3068ip\u30b3\u30de\u30f3\u30c9\u306e\u95a2\u4fc2\u3084\u4f7f\u3044\u65b9\u7b49\u306b\u3064\u3044\u3066\u53c2\u8003\u306b\u306a\u308b\u3002<\/p>\n
\u8ffd\u8a18<\/h3>\n
\u3000\u305d\u306e\u5f8cLaunchpad\u306b\u3066Bug #876829<\/a>\u3068\u3057\u3066\u5831\u544a\u3055\u308c\u3001\u4e00\u5fdc\u30d1\u30c3\u30c1\u3082\u4f5c\u6210\u3055\u308c\u305f\u6a21\u69d8\u3002Debian\u3067\u3082\u518d\u73fe\u3059\u308b\u3068\u306e\u3053\u3068\u3002
\n\u3000\u3053\u306e\u30d1\u30c3\u30c1\u3092\u898b\u308b\u9650\u308a\u3067\u306f\u3001ifupdown\u306f\u5185\u90e8\u7684\u306b\u306f\u307e\u3055\u306bip\u30b3\u30de\u30f3\u30c9\u3092\u8d77\u52d5\u3057\u3066\u3044\u308b\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u3088\u3046\u3060\u3002<\/p>\n
2012.2.1\u8ffd\u8a18: \u5148\u65e5\u306e0.7~alpha5.1ubuntu5\u3078\u306e\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3067\u3053\u306e\u554f\u984c\u306f\u89e3\u6d88\u3055\u308c\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u73fe\u8c61 \u3000\/etc\/network\/interfaces\u306b\u4f8b\u3048\u3070 auto lo eth1 eth1:1 iface eth1 address 1.2.3.4 netmask 255.255.255.0 gateway 1 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-7678","post","type-post","status-publish","format-standard","hentry","category-6"],"_links":{"self":[{"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7678","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7678"}],"version-history":[{"count":0,"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/7678\/revisions"}],"wp:attachment":[{"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7678"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/tec-jpn.net\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}