{"id":19352,"date":"2024-08-24T08:09:29","date_gmt":"2024-08-24T00:09:29","guid":{"rendered":"https:\/\/www.varidata.com\/uncategorized-zh-tw\/how-to-configure-static-ip-in-centos-7\/"},"modified":"2025-04-07T11:13:46","modified_gmt":"2025-04-07T03:13:46","slug":"how-to-configure-static-ip-in-centos-7","status":"publish","type":"post","link":"https:\/\/www.varidata.com\/zh-tw\/uncategorized-zh-tw\/how-to-configure-static-ip-in-centos-7\/","title":{"rendered":"\u5982\u4f55\u5728 CentOS 7 \u4e2d\u914d\u7f6e\u975c\u614b IP\uff1f"},"content":{"rendered":"<p>\u5728 CentOS 7 \u4f3a\u670d\u5668\u4e0a\u914d\u7f6e\u975c\u614b IP \u4f4d\u5740\u662f\u7db2\u8def\u7ba1\u7406\u548c\u4f3a\u670d\u5668\u7ba1\u7406\u7684\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002\u672c\u6307\u5357\u63d0\u4f9b\u4e86\u8a2d\u5b9a\u975c\u614b IP \u914d\u7f6e\u7684\u5be6\u7528\u65b9\u6cd5\uff0c\u7279\u5225\u9069\u7528\u65bc\u4f3a\u670d\u5668\u74b0\u5883\u3002\u7121\u8ad6\u60a8\u662f\u7ba1\u7406\u4f3a\u670d\u5668\u8a17\u7ba1\u9084\u662f<a href=\"https:\/\/www.varidata.com\/zh-tw\/server\/hk\/cn2\/\" target=\"_blank\">\u914d\u7f6e\u5c08\u7528\u4f3a\u670d\u5668<\/a>\u74b0\u5883\uff0c\u4e86\u89e3\u975c\u614b IP \u8a2d\u5b9a\u90fd\u80fd\u78ba\u4fdd\u7db2\u8def\u7a69\u5b9a\u6027\u548c\u53ef\u9760\u5b58\u53d6\u3002<\/p>\n<h2><strong>\u4e86\u89e3\u7db2\u8def\u914d\u7f6e\u5148\u6c7a\u689d\u4ef6<\/strong><\/h2>\n<p>\u5728\u6df1\u5165\u914d\u7f6e\u904e\u7a0b\u4e4b\u524d\uff0c\u4e86\u89e3\u52d5\u614b\u548c\u975c\u614b IP \u5b9a\u5740\u4e4b\u9593\u7684\u5dee\u7570\u81f3\u95dc\u91cd\u8981\u3002\u96d6\u7136\u52d5\u614b IP \u5b9a\u5740\uff08DHCP\uff09\u9069\u7528\u65bc\u81e8\u6642\u9023\u7dda\uff0c\u4f46\u5c0d\u65bc\u9700\u8981\u6301\u7e8c\u5b58\u53d6\u6027\u548c\u7a69\u5b9a\u7db2\u8def\u914d\u7f6e\u7684\u4f3a\u670d\u5668\u4f86\u8aaa\uff0c\u975c\u614b IP \u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>\u975c\u614b IP \u914d\u7f6e\u7684\u4e3b\u8981\u512a\u52e2\uff1a<\/h3>\n<ul>\n<li>\u4f3a\u670d\u5668\u5b58\u53d6\u7a69\u5b9a\u6027<\/li>\n<li>\u63d0\u9ad8 DNS \u89e3\u6790\u53ef\u9760\u6027<\/li>\n<li>\u66f4\u597d\u7684\u5b89\u5168\u63a7\u5236\u548c\u76e3\u63a7<\/li>\n<li>\u8a17\u7ba1\u670d\u52d9\u548c\u61c9\u7528\u7a0b\u5f0f\u7684\u5fc5\u8981\u689d\u4ef6<\/li>\n<li>\u4f3a\u670d\u5668\u9593\u901a\u8a0a\u6240\u5fc5\u9700<\/li>\n<\/ul>\n<p>\u5728\u7e7c\u7e8c\u4e4b\u524d\u8acb\u6536\u96c6\u4ee5\u4e0b\u57fa\u672c\u7db2\u8def\u53c3\u6578\uff1a<\/p>\n<pre><code># \u6aa2\u67e5\u7576\u524d\u7db2\u8def\u4ecb\u9762\u540d\u7a31\r\nip link show\r\n\r\n# \u67e5\u770b\u7576\u524d IP \u914d\u7f6e\r\nip addr show\r\n\r\n# \u986f\u793a\u8def\u7531\u8cc7\u8a0a\r\nroute -n\r\n\r\n# \u6aa2\u67e5 DNS \u914d\u7f6e\r\ncat \/etc\/resolv.conf<\/code><\/pre>\n<h3>\u6240\u9700\u7db2\u8def\u8cc7\u8a0a\uff1a<\/h3>\n<ul>\n<li>\u7db2\u8def\u4ecb\u9762\u540d\u7a31\uff08\u901a\u5e38\u70ba enp0s3\u3001ens33 \u6216 eth0\uff09<\/li>\n<li>\u76ee\u6a19\u975c\u614b IP \u4f4d\u5740<\/li>\n<li>\u5b50\u7db2\u8def\u906e\u7f69\uff08CIDR \u6216\u5341\u9032\u5236\u8868\u793a\u6cd5\uff09<\/li>\n<li>\u9810\u8a2d\u9598\u9053<\/li>\n<li>\u4e3b\u8981\u548c\u6b21\u8981 DNS \u4f3a\u670d\u5668<\/li>\n<li>\u7db2\u8def\u4ecb\u9762 MAC \u4f4d\u5740<\/li>\n<\/ul>\n<h2><strong>\u7db2\u8def\u4ecb\u9762\u8b58\u5225\u548c\u5206\u6790<\/strong><\/h2>\n<p>\u73fe\u4ee3 CentOS 7 \u7cfb\u7d71\u4f7f\u7528\u53ef\u9810\u6e2c\u7684\u7db2\u8def\u4ecb\u9762\u547d\u540d\u3002\u4e86\u89e3\u9019\u4e9b\u547d\u540d\u898f\u5247\u5f88\u91cd\u8981\uff1a<\/p>\n<pre><code># \u5217\u51fa\u6240\u6709\u7db2\u8def\u4ecb\u9762\r\nnmcli device status\r\n\r\n# \u7372\u53d6\u8a73\u7d30\u4ecb\u9762\u8cc7\u8a0a\r\nethtool ens33\r\n\r\n# \u6aa2\u67e5\u4ecb\u9762\u7d71\u8a08\u8cc7\u8a0a\r\nip -s link show ens33<\/code><\/pre>\n<h3>\u4ecb\u9762\u547d\u540d\u898f\u5247\uff1a<\/h3>\n<ul>\n<li>en &#8211; \u4e59\u592a\u7db2\u8def<\/li>\n<li>wl &#8211; \u7121\u7dda\u7db2\u8def<\/li>\n<li>p0s3 &#8211; PCI \u532f\u6d41\u6392\u4f4d\u7f6e<\/li>\n<li>s33 &#8211; \u63d2\u69fd\u865f<\/li>\n<\/ul>\n<h2><strong>\u5168\u9762\u914d\u7f6e\u6d41\u7a0b<\/strong><\/h2>\n<p>\u6309\u7167\u4ee5\u4e0b\u8a73\u7d30\u6b65\u9a5f\u9032\u884c\u7a69\u5065\u7684\u975c\u614b IP \u914d\u7f6e\uff1a<\/p>\n<h3>1. \u7db2\u8def\u914d\u7f6e\u6a94\u6848\u7ba1\u7406<\/h3>\n<pre><code># \u5c0e\u822a\u5230\u7db2\u8def\u8173\u672c\u76ee\u9304\r\ncd \/etc\/sysconfig\/network-scripts\/\r\n\r\n# \u5efa\u7acb\u73fe\u6709\u914d\u7f6e\u5099\u4efd\r\ncp ifcfg-ens33 ifcfg-ens33.backup-$(date +%Y%m%d)\r\n\r\n# \u7de8\u8f2f\u914d\u7f6e\u6a94\u6848\r\nvi ifcfg-ens33<\/code><\/pre>\n<h3>2. \u5b8c\u6574\u7db2\u8def\u4ecb\u9762\u914d\u7f6e<\/h3>\n<pre><code>TYPE=Ethernet\r\nPROXY_METHOD=none\r\nBROWSER_ONLY=no\r\nBOOTPROTO=static\r\nDEFROUTE=yes\r\nIPV4_FAILURE_FATAL=no\r\nIPV6INIT=yes\r\nIPV6_AUTOCONF=yes\r\nIPV6_DEFROUTE=yes\r\nIPV6_FAILURE_FATAL=no\r\nNAME=ens33\r\nUUID=your-uuid-here\r\nDEVICE=ens33\r\nONBOOT=yes\r\nIPADDR=xxx. xxx. x.xxx\r\nNETMASK=xxx.xxx.xxx.x\r\nGATEWAY=xxx.xxx.x.x\r\nDNS1=8.8.8.8\r\nDNS2=8.8.4.4\r\nIPV6_ADDR_GEN_MODE=stable-privacy<\/code><\/pre>\n<h2><strong>\u9032\u968e\u7db2\u8def\u914d\u7f6e\u9078\u9805<\/strong><\/h2>\n<p>\u4f01\u696d\u5c08\u7528\u4f3a\u670d\u5668\u74b0\u5883\u901a\u5e38\u9700\u8981\u66f4\u8907\u96dc\u7684\u7db2\u8def\u914d\u7f6e\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5be6\u73fe\u9032\u968e\u7db2\u8def\u529f\u80fd\uff1a<\/p>\n<h3>1. \u591a IP \u4f4d\u5740\u914d\u7f6e<\/h3>\n<pre><code># \u4e3b\u8981 IP \u914d\u7f6e\r\nIPADDR0=xxx. xxx. x.xxx\r\nPREFIX0=24\r\n\r\n# \u6b21\u8981 IP \u914d\u7f6e\r\nIPADDR1=xxx. xxx. x.xxx\r\nPREFIX1=24\r\n\r\n# \u7b2c\u4e09 IP \u914d\u7f6e\r\nIPADDR2=xxx. xxx. x.xxx\r\nPREFIX2=24<\/code><\/pre>\n<h3>2. \u7db2\u8def\u7d81\u5b9a\u5be6\u73fe\u5197\u9918<\/h3>\n<pre><code># \u5efa\u7acb\u7d81\u5b9a\u914d\u7f6e\u6a94\u6848\r\nvi \/etc\/sysconfig\/network-scripts\/ifcfg-bond0\r\n\r\nDEVICE=bond0\r\nNAME=bond0\r\nTYPE=Bond\r\nBONDING_MASTER=yes\r\nBOOTPROTO=static\r\nONBOOT=yes\r\nIPADDR=xxx. xxx. x.xxx\r\nNETMASK=xxx.xxx.xxx.x\r\nGATEWAY=xxx.xxx.x.x\r\nBONDING_OPTS=\"mode=1 miimon=100\"<\/code><\/pre>\n<h2><strong>\u5168\u9762\u6545\u969c\u6392\u9664\u6307\u5357<\/strong><\/h2>\n<p>\u9047\u5230\u7db2\u8def\u554f\u984c\u6642\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u7cfb\u7d71\u6545\u969c\u6392\u9664\u65b9\u6cd5\uff1a<\/p>\n<h3>1. \u9023\u7dda\u9a57\u8b49<\/h3>\n<pre><code># \u6aa2\u67e5\u4ecb\u9762\u72c0\u614b\r\nip link show ens33\r\n\r\n# \u9a57\u8b49 IP \u5206\u914d\r\nip addr show ens33\r\n\r\n# \u6e2c\u8a66\u672c\u5730\u7db2\u8def\u9023\u7dda\r\nping -c 4 xxx.xxx.x.x\r\n\r\n# \u6aa2\u67e5 DNS \u89e3\u6790\r\ndig google.com\r\n\r\n# \u8ffd\u8e64\u7db2\u8def\u8def\u5f91\r\ntraceroute 8.8.8.8<\/code><\/pre>\n<h3>2. \u670d\u52d9\u72c0\u614b\u9a57\u8b49<\/h3>\n<pre><code># \u6aa2\u67e5\u7db2\u8def\u670d\u52d9\u72c0\u614b\r\nsystemctl status network\r\n\r\n# \u67e5\u770b\u7db2\u8def\u7ba1\u7406\u5668\u72c0\u614b\r\nsystemctl status NetworkManager\r\n\r\n# \u67e5\u770b\u7cfb\u7d71\u65e5\u8a8c\r\njournalctl -u network\r\njournalctl -u NetworkManager<\/code><\/pre>\n<h2><strong>\u6548\u80fd\u512a\u5316<\/strong><\/h2>\n<p>\u4f7f\u7528\u9019\u4e9b\u6838\u5fc3\u53c3\u6578\u512a\u5316\u7db2\u8def\u6548\u80fd\uff1a<\/p>\n<pre><code># \u7de8\u8f2f sysctl \u914d\u7f6e\r\nvi \/etc\/sysctl.conf\r\n\r\n# \u65b0\u589e\u6548\u80fd\u53c3\u6578\r\nnet.ipv4.tcp_fin_timeout = 20\r\nnet.ipv4.tcp_keepalive_time = 1200\r\nnet.ipv4.tcp_max_syn_backlog = 4096\r\nnet.core.rmem_max = 16777216\r\nnet.core.wmem_max = 16777216<\/code><\/pre>\n<h2><strong>\u5b89\u5168\u5f37\u5316\u63aa\u65bd<\/strong><\/h2>\n<p>\u5be6\u65bd\u4ee5\u4e0b\u5b89\u5168\u914d\u7f6e\u4f86\u4fdd\u8b77\u60a8\u7684\u4f3a\u670d\u5668\uff1a<\/p>\n<pre><code># \u914d\u7f6e\u57fa\u672c iptables \u898f\u5247\r\niptables -A INPUT -i lo -j ACCEPT\r\niptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT\r\niptables -A INPUT -p tcp --dport 22 -j ACCEPT\r\niptables -A INPUT -p tcp --dport 80 -j ACCEPT\r\niptables -A INPUT -p tcp --dport 443 -j ACCEPT\r\niptables -P INPUT DROP\r\n\r\n# \u5132\u5b58 iptables \u898f\u5247\r\nservice iptables save<\/code><\/pre>\n<h2><strong>\u5be6\u969b\u5be6\u65bd\u5834\u666f<\/strong><\/h2>\n<h3>1. Web \u4f3a\u670d\u5668\u8a2d\u5b9a<\/h3>\n<p>\u5c0d\u65bc\u7db2\u7ad9\u4f3a\u670d\u5668\u74b0\u5883\uff0c\u8acb\u8003\u616e\u4ee5\u4e0b\u9644\u52a0\u914d\u7f6e\uff1a<\/p>\n<pre><code># \u555f\u7528\u57e0\u8f49\u767c\r\necho \"net.ipv4.ip_forward = 1\" >> \/etc\/sysctl.conf\r\nsysctl -p\r\n\r\n# \u914d\u7f6e\u865b\u64ec\u4e3b\u6a5f\r\nvi \/etc\/httpd\/conf.d\/vhost.conf<\/code><\/pre>\n<h3>2. \u8cc7\u6599\u5eab\u4f3a\u670d\u5668\u914d\u7f6e<\/h3>\n<p>\u5c0d\u65bc\u8cc7\u6599\u5eab\u4f3a\u670d\u5668\uff0c\u5be6\u65bd\u4ee5\u4e0b\u7db2\u8def\u512a\u5316\uff1a<\/p>\n<pre><code># \u512a\u5316\u7db2\u8def\u7de9\u885d\u5340\r\necho \"net.core.rmem_default = 262144\" >> \/etc\/sysctl.conf\r\necho \"net.core.wmem_default = 262144\" >> \/etc\/sysctl.conf\r\nsysctl -p<\/code><\/pre>\n<h2><strong>\u76e3\u63a7\u548c\u7dad\u8b77<\/strong><\/h2>\n<p>\u5be6\u65bd\u4ee5\u4e0b\u76e3\u63a7\u5be6\u52d9\u4ee5\u78ba\u4fdd\u7db2\u8def\u7a69\u5b9a\u6027\uff1a<\/p>\n<pre><code># \u76e3\u63a7\u7db2\u8def\u6d41\u91cf\r\niftop -i ens33\r\n\r\n# \u6aa2\u67e5\u7db2\u8def\u7d71\u8a08\u8cc7\u8a0a\r\nnethogs ens33\r\n\r\n# \u76e3\u63a7\u9023\u7dda\u72c0\u614b\r\nnetstat -tunapls<\/code><\/pre>\n<h2><strong>\u7d50\u8ad6<\/strong><\/h2>\n<p>\u6b63\u78ba\u7684\u975c\u614b IP \u914d\u7f6e\u662f\u53ef\u9760\u7684\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u670d\u52d9\u7684\u57fa\u790e\u3002\u9019\u4efd\u7d9c\u5408\u6307\u5357\u6db5\u84cb\u4e86\u5f9e\u57fa\u672c\u8a2d\u5b9a\u5230\u9032\u968e\u914d\u7f6e\u7684\u91cd\u8981\u9762\u5411\uff0c\u78ba\u4fdd\u4e86\u7a69\u5065\u7684\u7db2\u8def\u9023\u7dda\u548c\u6700\u4f73\u7684\u4f3a\u670d\u5668\u6548\u80fd\u3002\u5b9a\u671f\u76e3\u63a7\u548c\u7dad\u8b77\u9019\u4e9b\u914d\u7f6e\u5c07\u6709\u52a9\u65bc\u7dad\u6301\u7a69\u5b9a\u548c\u5b89\u5168\u7684\u4f3a\u670d\u5668\u71df\u904b\u3002<\/p>\n<p>\u8acb\u8a18\u4f4f\u5728\u5be6\u65bd\u4efb\u4f55\u7db2\u8def\u8b8a\u66f4\u5f8c\u9032\u884c\u5fb9\u5e95\u6e2c\u8a66\uff0c\u4e26\u59cb\u7d42\u4fdd\u6301\u914d\u7f6e\u6587\u4ef6\u7684\u66f4\u65b0\u3002\u5c0d\u65bc\u4f3a\u670d\u5668\u79df\u7528\u548c\u4f3a\u670d\u5668\u8a17\u7ba1\u74b0\u5883\uff0c\u8003\u616e\u5be6\u65bd\u7db2\u8def\u914d\u7f6e\u7684\u81ea\u52d5\u5099\u4efd\u89e3\u6c7a\u65b9\u6848\uff0c\u4ee5\u78ba\u4fdd\u5728\u7cfb\u7d71\u8b8a\u66f4\u6642\u80fd\u5feb\u901f\u5fa9\u539f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 CentOS 7 \u4f3a\u670d\u5668\u4e0a\u914d\u7f6e\u975c\u614b IP \u4f4d\u5740\u662f\u7db2\u8def\u7ba1\u7406\u548c\u4f3a\u670d\u5668\u7ba1\u7406\u7684\u4e00\u9805\u91cd\u8981\u6280\u80fd\u3002\u672c\u6307\u5357\u63d0\u4f9b\u4e86\u8a2d\u5b9a\u975c\u614b  [&#8230;]<\/p>\n<p><a class=\"btn btn-secondary understrap-read-more-link\" href=\"https:\/\/www.varidata.com\/zh-tw\/uncategorized-zh-tw\/how-to-configure-static-ip-in-centos-7\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":3,"featured_media":19349,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[38],"tags":[],"class_list":["post-19352","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized-zh-tw"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5982\u4f55\u5728 CentOS 7 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