{"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":"<p id=\"bkmrk-bridge%EB%8A%94-%EB%91%90%EA%B0%9C%EC%9D%98-network%EC%9D%84\">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<p id=\"bkmrk-%EB%91%90%EA%B0%9C%EC%9D%98-nic%EB%A5%BC-eth0%2C-eth1%EB%A1%9C\">\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 id=\"bkmrk-\" class=\"wikimodel-emptyline\"><\/div>\n<div id=\"bkmrk--0\" class=\"wikimodel-emptyline\"><\/div>\n<ol id=\"bkmrk-bridge-device-%EC%83%9D%EC%84%B1-%23-v\">\n\n<li>Bridge Device \uc0dd\uc131\n<pre><code class=\"language-shell\"># vi \/etc\/sysconfig\/network-script\/ifcfg-br0\nDEVICE=br0\nONBOOT=on\nTYPE=Bridge\nBOOTPROTO=static\nIPADDR=192.168.1.2\nNETMASK=255.255.255.0\nUSRCTL=no<\/code><\/pre>\n<\/li>\n\n<li>\ubb3c\ub9ac Device \uc124\uc815\n<div>\n<div>\n<div class=\"box\">\n<div class=\"code\">#eth0 \ube0c\ub9bf\uc9c0 \uc124\uc815<\/div>\n<\/div>\n<\/div>\n<\/div>\n<pre><code class=\"language-shell\">$ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1\nDEVICE=eth1\nONBOOT=yes\nBOOTPROTO=none\nBRIDGE=br0\nUSRCTL=no<\/code><\/pre>\n<div>\n<div>\n<div class=\"box\">\n<div class=\"code\">\n\n#eth1 \ube0c\ub9bf\uc9c0 \uc124\uc815\n\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<pre><code class=\"language-shell\">$ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1\nDEVICE=eth1\nONBOOT=yes\nBOOTPROTO=none\nBRIDGE=br0\nUSRCTL=no<\/code><\/pre>\n<div>\n<div class=\"box\">\n<div class=\"code\"><\/div>\n<\/div>\n<\/div><\/li>\n\n<li>ip_forward \uc124\uc815\n<pre><code class=\"language-shell\">$ vi \/etc\/sysctl.conf\nnet.ipv4.ip_forward = 1<\/code><\/pre>\n<\/li>\n\n<li>Bridge \uc801\uc6a9 \ud655\uc778\n<pre><code class=\"language-shell\">$ brctl show\nbridge name &nbsp;&nbsp;&nbsp;bridge id &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;STP enabled &nbsp;&nbsp;&nbsp;interfaces\nbr0 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;8000.0800271b0b5f &nbsp;&nbsp;&nbsp;no &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;eth1\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;eth0\n\n<\/code><\/pre>\n\u00a0<\/li>\n<\/ol>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-163 aligncenter\" src=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1-300x300.png 300w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1-150x150.png 150w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1-768x768.png 768w, http:\/\/www.igoni.kr\/wp-content\/uploads\/2026\/01\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1.png 1024w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/>\n<p style=\"text-align: right\">perplexity\uc5d0\uc11c \uc0dd\uc131\ud55c AI\uc774\ubbf8\uc9c0<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>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&hellip;<\/p>","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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - 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Bridge Device \uc0dd\uc131 # vi \/etc\/sysconfig\/network-script\/ifcfg-br0 DEVICE=br0 ONBOOT=on TYPE=Bridge BOOTPROTO=static IPADDR=192.168.1.2 NETMASK=255.255.255.0 USRCTL=no \ubb3c\ub9ac Device \uc124\uc815 #eth0 \ube0c\ub9bf\uc9c0 \uc124\uc815 $ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1 DEVICE=eth1 ONBOOT=yes BOOTPROTO=none BRIDGE=br0 USRCTL=no #eth1 \ube0c\ub9bf\uc9c0 \uc124\uc815 $\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"artop0420\"\/>\n\t<link rel=\"canonical\" href=\"http:\/\/www.igoni.kr\/?p=141\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"ko_KR\" \/>\n\t\t<meta property=\"og:site_name\" content=\"\uc774\uace4\uc544\uc774 - \uc798\ub098\uac00\ub294 \uc804\uc0b0\uc7c1\uc774\uc758 \ube14\ub85c\uadf8\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"centos\uc5d0\uc11c NIC \ube0c\ub9bf\uc9c0 \uc778\ud130\ud398\uc774\uc2a4 \uad6c\uc131 - \uc774\uace4\uc544\uc774\" \/>\n\t\t<meta property=\"og:description\" content=\"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 NIC\ub97c eth0, eth1\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uace0 br0\ub77c\ub294 bridge\ub97c \ub9cc\ub4e0\ub2e4. Bridge Device \uc0dd\uc131 # vi \/etc\/sysconfig\/network-script\/ifcfg-br0 DEVICE=br0 ONBOOT=on TYPE=Bridge BOOTPROTO=static IPADDR=192.168.1.2 NETMASK=255.255.255.0 USRCTL=no \ubb3c\ub9ac Device \uc124\uc815 #eth0 \ube0c\ub9bf\uc9c0 \uc124\uc815 $ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1 DEVICE=eth1 ONBOOT=yes BOOTPROTO=none BRIDGE=br0 USRCTL=no #eth1 \ube0c\ub9bf\uc9c0 \uc124\uc815 $\" \/>\n\t\t<meta property=\"og:url\" content=\"http:\/\/www.igoni.kr\/?p=141\" \/>\n\t\t<meta property=\"og:image\" content=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/cropped-j3fi6eistvc5ixa6lvm3ra-1.jpg\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-01-28T13:45:40+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-02-01T16:57:32+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"centos\uc5d0\uc11c NIC \ube0c\ub9bf\uc9c0 \uc778\ud130\ud398\uc774\uc2a4 \uad6c\uc131 - \uc774\uace4\uc544\uc774\" \/>\n\t\t<meta name=\"twitter:description\" content=\"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 NIC\ub97c eth0, eth1\ub85c \uad6c\uc131\ub418\uc5b4 \uc788\uace0 br0\ub77c\ub294 bridge\ub97c \ub9cc\ub4e0\ub2e4. Bridge Device \uc0dd\uc131 # vi \/etc\/sysconfig\/network-script\/ifcfg-br0 DEVICE=br0 ONBOOT=on TYPE=Bridge BOOTPROTO=static IPADDR=192.168.1.2 NETMASK=255.255.255.0 USRCTL=no \ubb3c\ub9ac Device \uc124\uc815 #eth0 \ube0c\ub9bf\uc9c0 \uc124\uc815 $ vi \/etc\/sysconfig\/network-script\/ifcfg-eth1 DEVICE=eth1 ONBOOT=yes BOOTPROTO=none BRIDGE=br0 USRCTL=no #eth1 \ube0c\ub9bf\uc9c0 \uc124\uc815 $\" \/>\n\t\t<meta name=\"twitter:image\" content=\"http:\/\/word.igoni.kr\/wp-content\/uploads\/2026\/01\/cropped-j3fi6eistvc5ixa6lvm3ra-1.jpg\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BlogPosting\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=141#blogposting\",\"name\":\"centos\\uc5d0\\uc11c NIC \\ube0c\\ub9bf\\uc9c0 \\uc778\\ud130\\ud398\\uc774\\uc2a4 \\uad6c\\uc131 - \\uc774\\uace4\\uc544\\uc774\",\"headline\":\"centos\\uc5d0\\uc11c NIC \\ube0c\\ub9bf\\uc9c0 \\uc778\\ud130\\ud398\\uc774\\uc2a4 \\uad6c\\uc131\",\"author\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?author=1#author\"},\"publisher\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/#person\"},\"image\":{\"@type\":\"ImageObject\",\"url\":\"http:\\\/\\\/www.igoni.kr\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/f2604bdb-5c94-4a0b-b6d9-646dfa8d7fe1.png\",\"width\":1024,\"height\":1024},\"datePublished\":\"2026-01-28T22:45:40+09:00\",\"dateModified\":\"2026-02-02T01:57:32+09:00\",\"inLanguage\":\"ko-KR\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=141#webpage\"},\"isPartOf\":{\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=141#webpage\"},\"articleSection\":\"Linux \\uacf5\\ud1b5, bridge, centos\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?p=141#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"http:\\\/\\\/www.igoni.kr#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/www.igoni.kr\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"http:\\\/\\\/www.igoni.kr\\\/?cat=5#listItem\",\"name\":\"1. 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