{"id":141,"date":"2026-01-28T22:45:40","date_gmt":"2026-01-28T13:45:40","guid":{"rendered":"http:\/\/word.igoni.kr\/?p=141"},"modified":"2026-02-02T01:57:32","modified_gmt":"2026-02-01T16:57:32","slug":"centos%ec%97%90%ec%84%9c-nic-%eb%b8%8c%eb%a6%bf%ec%a7%80-%ec%9d%b8%ed%84%b0%ed%8e%98%ec%9d%b4%ec%8a%a4-%ea%b5%ac%ec%84%b1","status":"publish","type":"post","link":"http:\/\/www.igoni.kr\/?p=141","title":{"rendered":"centos\uc5d0\uc11c NIC \ube0c\ub9bf\uc9c0 \uc778\ud130\ud398\uc774\uc2a4 \uad6c\uc131"},"content":{"rendered":"

Bridge\ub294 \ub450\uac1c\uc758 Network\uc744 \ud558\ub098\ucc98\ub7fc \uc4f8\ub54c \uc0ac\uc6a9\ud558\uace0 Linux\uba38\uc2e0\uc5d0\uc11c \ub450\uac1c\uc758 NIC\uac00 \uaf42\ud600 \uc788\uc744 \ub54c \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uc815\ud55c\ub2e4.<\/p>\n

\ub450\uac1c\uc758 NIC\ub97c eth0, eth1\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uace0 br0\ub77c\ub294 bridge\ub97c \ub9cc\ub4e0\ub2e4.<\/p>\n

<\/div>\n
<\/div>\n
    \n
  1. Bridge Device \uc0dd\uc131\n
    # vi \/etc\/sysconfig\/network-script\/ifcfg-br0\r\nDEVICE=br0\r\nONBOOT=on\r\nTYPE=Bridge\r\nBOOTPROTO=static\r\nIPADDR=192.168.1.2\r\nNETMASK=255.255.255.0\r\nUSRCTL=no<\/code><\/pre>\n<\/li>\n
  2. \ubb3c\ub9ac Device \uc124\uc815\n
    \n
    \n
    \n
    #eth0 \ube0c\ub9bf\uc9c0 \uc124\uc815<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    $ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1\r\nDEVICE=eth1\r\nONBOOT=yes\r\nBOOTPROTO=none\r\nBRIDGE=br0\r\nUSRCTL=no<\/code><\/pre>\n
    \n
    \n
    \n
    \n
    #eth1 \ube0c\ub9bf\uc9c0 \uc124\uc815<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
    $ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1\r\nDEVICE=eth1\r\nONBOOT=yes\r\nBOOTPROTO=none\r\nBRIDGE=br0\r\nUSRCTL=no<\/code><\/pre>\n
    \n
    \n
    <\/div>\n<\/div>\n<\/div>\n<\/li>\n
  3. ip_forward \uc124\uc815\n
    $ vi \/etc\/sysctl.conf\r\nnet.ipv4.ip_forward = 1<\/code><\/pre>\n<\/li>\n
  4. Bridge \uc801\uc6a9 \ud655\uc778\n
    $ brctl show\r\nbridge name \u00a0\u00a0\u00a0bridge id \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0STP enabled \u00a0\u00a0\u00a0interfaces\r\nbr0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a08000.0800271b0b5f \u00a0\u00a0\u00a0no \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0eth1\r\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0eth0\r\n\r\n<\/code><\/pre>\n
     <\/li>\n<\/ol>\n
    \"\"<\/p>\n
    perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0<\/p>\n
     <\/p>\n","protected":false},"excerpt":{"rendered":"
    Bridge\ub294 \ub450\uac1c\uc758 Network\uc744 \ud558\ub098\ucc98\ub7fc \uc4f8\ub54c \uc0ac\uc6a9\ud558\uace0 Linux\uba38\uc2e0\uc5d0\uc11c \ub450\uac1c\uc758 NIC\uac00 \uaf42\ud600 \uc788\uc744 \ub54c \ub2e4\uc74c\uacfc \uac19\uc774 \uc124\uc815\ud55c\ub2e4. \ub450\uac1c\uc758…<\/p>\n","protected":false},"author":1,"featured_media":163,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[45,9],"class_list":["post-141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux-","tag-bridge","tag-centos"],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/141","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=141"}],"version-history":[{"count":3,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/141\/revisions"}],"predecessor-version":[{"id":181,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/posts\/141\/revisions\/181"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=\/wp\/v2\/media\/163"}],"wp:attachment":[{"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=141"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.igoni.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}