{"id":1296,"date":"2022-09-15T16:06:23","date_gmt":"2022-09-15T08:06:23","guid":{"rendered":"http:\/\/blog.xtaa.cn\/?p=1296"},"modified":"2022-09-15T16:06:23","modified_gmt":"2022-09-15T08:06:23","slug":"1296","status":"publish","type":"post","link":"http:\/\/blog.xtaa.cn\/index.php\/2022\/09\/15\/1296\/","title":{"rendered":"Linux\u7684ip\u547d\u4ee4-\u8def\u7531-\u7f51\u5361\u8bbe\u5907-\u7edf\u8ba1"},"content":{"rendered":"\n<p>Linux\u7684ip\u547d\u4ee4\u548cifconfig\u7c7b\u4f3c\uff0c\u4f46\u524d\u8005\u529f\u80fd\u66f4\u5f3a\u5927\uff0c\u5e76\u65e8\u5728\u53d6\u4ee3\u540e\u8005\u3002\u4f7f\u7528ip\u547d\u4ee4\uff0c\u53ea\u9700\u4e00\u4e2a\u547d\u4ee4\uff0c\u4f60\u5c31\u80fd\u5f88\u8f7b\u677e\u5730\u6267\u884c\u4e00\u4e9b\u7f51\u7edc\u7ba1\u7406\u4efb\u52a1\u3002ifconfig\u662fnet-tools\u4e2d\u5df2\u88ab\u5e9f\u5f03\u4f7f\u7528\u7684\u4e00\u4e2a\u547d\u4ee4\uff0c\u8bb8\u591a\u5e74\u524d\u5c31\u5df2\u7ecf\u6ca1\u6709\u7ef4\u62a4\u4e86\u3002Linux\u7cfb\u7edf\u63d0\u4f9biproute2\u5de5\u5177\u7528\u4e8e\u66ff\u4ee3\u4e00\u4e9b\u5e38\u7528\u7684net-tools\u547d\u4ee4\uff0ciproute2\u5957\u4ef6\u91cc\u63d0\u4f9b\u4e86\u8bb8\u591a\u589e\u5f3a\u529f\u80fd\u7684\u547d\u4ee4\uff0cip\u547d\u4ee4\u5373\u662f\u5176\u4e2d\u4e4b\u4e00\u3002<\/p>\n\n\n\n<p>\u683c\u5f0f\uff1a<\/p>\n\n\n\n<p>ip [options] object [command [arguments]]<\/p>\n\n\n\n<p>\u4e3b\u8981\u53c2\u6570<br>OPTIONS\u662f\u4fee\u6539ip\u884c\u4e3a\u6216\u6539\u53d8\u5176\u8f93\u51fa\u7684\u9009\u9879\u3002\u6240\u6709\u7684\u9009\u9879\u90fd\u662f\u4ee5-\u5b57\u7b26\u5f00\u5934\uff0c\u5206\u4e3a\u957f\u3001\u77ed\u4e24\u79cd\u5f62\u5f0f\u3002\u5982link\u3001addr\u3001route\u3001rule\u3001tunnel \u3002<br>object\u662f\u8981\u7ba1\u7406\u8005\u83b7\u53d6\u4fe1\u606f\u7684\u5bf9\u8c61\u3002\u5982\u7f51\u7edc\u63a5\u53e3\u7c7b\u578beth0\u3002<br>command\u8bbe\u7f6e\u9488\u5bf9\u6307\u5b9a\u5bf9\u8c61\u6267\u884c\u7684\u64cd\u4f5c\uff0c\u5b83\u548c\u5bf9\u8c61\u7684\u7c7b\u578b\u6709\u5173\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0cip\u652f\u6301\u5bf9\u8c61\u7684\u589e\u52a0(add)\u3001\u5220\u9664(delete)\u548c\u5c55\u793a(show\u6216list)\u3002\u6709\u4e9b\u5bf9\u8c61\u4e0d\u652f\u6301\u8fd9\u4e9b\u64cd\u4f5c\uff0c\u6216\u8005\u6709\u5176\u5b83\u7684\u4e00\u4e9b\u547d\u4ee4\u3002\u5bf9\u4e8e\u6240\u6709\u7684\u5bf9\u8c61\uff0c\u7528\u6237\u53ef\u4ee5\u4f7f\u7528help\u547d\u4ee4\u83b7\u5f97\u5e2e\u52a9\u3002\u8fd9\u4e2a\u547d\u4ee4\u4f1a\u5217\u51fa\u8fd9\u4e2a\u5bf9\u8c61\u652f\u6301\u7684\u547d\u4ee4\u548c\u53c2\u6570\u7684\u8bed\u6cd5\u3002\u5982\u679c\u6ca1\u6709\u6307\u5b9a\u5bf9\u8c61\u7684\u64cd\u4f5c\u547d\u4ee4\uff0cip\u4f1a\u4f7f\u7528\u9ed8\u8ba4\u7684\u547d\u4ee4\u3002\u4e00\u822c\u60c5\u51b5\u4e0b\uff0c\u9ed8\u8ba4\u547d\u4ee4\u662flist\uff0c\u5982\u679c\u5bf9\u8c61\u4e0d\u80fd\u5217\u51fa\uff0c\u5c31\u4f1a\u6267\u884chelp\u547d\u4ee4\u3002<br>arguments\u662f\u547d\u4ee4\u7684\u4e00\u4e9b\u53c2\u6570\uff0c\u5b83\u4eec\u501a\u8d56\u4e8e\u5bf9\u8c61\u548c\u547d\u4ee4\u3002ip\u652f\u6301\u4e24\u79cd\u7c7b\u578b\u7684\u53c2\u6570\uff1aflag\u548cparameter\u3002flag\u7531\u4e00\u4e2a\u5173\u952e\u8bcd\u7ec4\u6210\uff1bparameter\u7531\u4e00\u4e2a\u5173\u952e\u8bcd\u52a0\u4e00\u4e2a\u6570\u503c\u7ec4\u6210\u3002\u4e3a\u4e86\u65b9\u4fbf\uff0c\u6bcf\u4e2a\u547d\u4ee4\u90fd\u6709\u4e00\u4e2a\u53ef\u4ee5\u5ffd\u7565\u7684\u9ed8\u8ba4\u53c2\u6570\u3002\u4f8b\u5982\uff0c\u53c2\u6570dev\u662fip link\u547d\u4ee4\u7684\u9ed8\u8ba4\u53c2\u6570\uff0c\u56e0\u6b64ip link ls eth0\u7b49\u4e8eip link ls dev eth0\u3002\u547d\u4ee4\u7684\u9ed8\u8ba4\u53c2\u6570\u5c06\u4f7f\u7528default\u6807\u51fa\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>IP\u5730\u5740\u7ba1\u7406<br>\u8bbe\u7f6e\u548c\u5220\u9664Ip\u5730\u5740<br>\u8bbe\u7f6e\u4e00\u4e2aIP\u5730\u5740\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e0b\u5217ip\u547d\u4ee4\uff1a<br>ip addr add 192.168.0.193\/24 dev wlan0<br>\u8bf7\u6ce8\u610fIP\u5730\u5740\u8981\u6709\u4e00\u4e2a\u540e\u7f00\uff0c\u6bd4\u5982\/24\u3002\u8fd9\u79cd\u7528\u6cd5\u7528\u4e8e\u5728\u65e0\u7c7b\u57df\u5185\u8def\u7531\u9009\u62e9\uff08CIDR\uff09\u4e2d\u6765\u663e\u793a\u6240\u7528\u7684\u5b50\u7f51\u63a9\u7801\u3002\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5b50\u7f51\u63a9\u7801\u662f255.255.255.0\u3002<\/li><\/ol>\n\n\n\n<p>\u9700\u8981\u67e5\u770b\u662f\u5426\u5df2\u7ecf\u751f\u6548\u3002<br>ip addr show wlan0<br>\u5220\u9664IP\u5730\u5740<br>ip addr del 192.168.0.193\/24 dev wlan0<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"2\"><li>\u8def\u7531\u7ba1\u7406<br>\u5217\u51fa\u8def\u7531\u8868\u6761\u76ee<br>IP\u547d\u4ee4\u7684\u8def\u7531\u5bf9\u8c61\u7684\u53c2\u6570\u8fd8\u53ef\u4ee5\u5e2e\u52a9\u4f60\u67e5\u770b\u7f51\u7edc\u4e2d\u7684\u8def\u7531\u6570\u636e\uff0c\u5e76\u8bbe\u7f6e\u4f60\u7684\u8def\u7531\u8868\u3002\u7b2c\u4e00\u4e2a\u6761\u76ee\u662f\u9ed8\u8ba4\u7684\u8def\u7531\u6761\u76ee\uff0c\u4f60\u53ef\u4ee5\u968f\u610f\u6539\u52a8\u5b83\u3002<br>ip route show<br>\u67e5\u770b\u8def\u7531\u8868<br>\u5047\u8bbe\u73b0\u5728\u4f60\u6709\u4e00\u4e2aIP\u5730\u5740\uff0c\u4f60\u9700\u8981\u77e5\u9053\u8def\u7531\u5305\u4ece\u54ea\u91cc\u6765\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u7684\u8def\u7531\u9009\u9879\uff08\u8bd1\u6ce8\uff1a\u5217\u51fa\u4e86\u8def\u7531\u6240\u4f7f\u7528\u7684\u63a5\u53e3\u7b49\uff09\uff1a<\/li><\/ol>\n\n\n\n<p>ip route get 119.75.216.20<br>\u67e5\u770b\u8def\u7531\u5305<br>\u6dfb\u52a0\u9ed8\u8ba4\u8def\u7531<br>ip route add default via 192.168.202.254<br>\u6dfb\u52a0\u7f51\u7edc\u8def\u7531<br>ip route add 192.168.4.0\/24 via 192.168.4.1<br>\u4fee\u6539\u7f51\u7edc\u8def\u7531<br>ip route change 192.168.4.0\/24 dev eth1<br>\u8bbe\u7f6eNAT\u8def\u7531<br>ip route add nat 192.168.1.100 via 192.168.1.1<br>1.<br>\u67e5\u770b\u67d0\u4e2a\u8def\u7531\u8868\u4fe1\u606f<br>ip route show table main<br>ip route show table local<br>ip route show table all<\/p>\n\n\n\n<p>\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u83b7\u53d6\u5230\u7279\u5b9aip\u7684\u8def\u7531\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>bob@ubuntu-20-04:~$ ip route get to 192.168.43.2<\/code><\/pre>\n\n\n\n<p><br><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u64e6\u9664\u6240\u6709\u8def\u7531\u8868<\/h1>\n\n\n\n<p>ip route flush<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u64e6\u9664\u8def\u7531\u8868\u7684\u7f13\u5b58<\/h1>\n\n\n\n<p>ip route flush cache<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"3\"><li>\u7f51\u7edc\u7edf\u8ba1<br>\u663e\u793a\u7f51\u7edc\u7edf\u8ba1\u6570\u636e<br>\u4f7f\u7528ip\u547d\u4ee4\u8fd8\u53ef\u4ee5\u663e\u793a\u4e0d\u540c\u7f51\u7edc\u63a5\u53e3\u7684\u7edf\u8ba1\u6570\u636e\u3002<br>ip -s link<br>\u7f51\u7edc\u7edf\u8ba1\u6570\u636e<br>\u5f53\u4f60\u9700\u8981\u83b7\u53d6\u4e00\u4e2a\u7279\u5b9a\u7f51\u7edc\u63a5\u53e3\u7684\u4fe1\u606f\u65f6\uff0c\u5728\u7f51\u7edc\u63a5\u53e3\u540d\u5b57\u540e\u9762\u6dfb\u52a0\u9009\u9879ls\u5373\u53ef\u3002\u4f7f\u7528\u591a\u4e2a\u9009\u9879-s\u4f1a\u7ed9\u4f60\u8fd9\u4e2a\u7279\u5b9a\u63a5\u53e3\u66f4\u8be6\u7ec6\u7684\u4fe1\u606f\u3002\u7279\u522b\u662f\u5728\u6392\u9664\u7f51\u7edc\u8fde\u63a5\u6545\u969c\u65f6\uff0c\u8fd9\u4f1a\u975e\u5e38\u6709\u7528\u3002<\/li><\/ol>\n\n\n\n<p>ip -s -s link ls docker0<br>\u6216<br>ip -s link ls docker0<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"4\"><li>ARP\u7ba1\u7406<br>\u67e5\u770bARP\u4fe1\u606f<br>\u5730\u5740\u89e3\u6790\u534f\u8bae\uff08ARP\uff09\u7528\u4e8e\u5c06\u4e00\u4e2aIP\u5730\u5740\u8f6c\u6362\u6210\u5b83\u5bf9\u5e94\u7684\u7269\u7406\u5730\u5740\uff0c\u4e5f\u5c31\u662f\u901a\u5e38\u6240\u8bf4\u7684MAC\u5730\u5740\u3002\u4f7f\u7528ip\u547d\u4ee4\u7684neigh\u6216\u8005neighbour\u9009\u9879\uff0c\u4f60\u53ef\u4ee5\u67e5\u770b\u63a5\u5165\u4f60\u6240\u5728\u7684\u5c40\u57df\u7f51\u7684\u8bbe\u5907\u7684MAC\u5730\u5740\u3002<br>ip neighbour<br><\/li><li>\u7f51\u7edc\u76d1\u6d4b<br>\u76d1\u63a7netlink\u6d88\u606f<br>\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u67e5\u770bnetlink\u6d88\u606f\u3002monitor\u9009\u9879\u5141\u8bb8\u4f60\u67e5\u770b\u7f51\u7edc\u8bbe\u5907\u7684\u72b6\u6001\u3002\u6bd4\u5982\uff0c\u6240\u5728\u5c40\u57df\u7f51\u7684\u4e00\u53f0\u7535\u8111\u6839\u636e\u5b83\u7684\u72b6\u6001\u53ef\u4ee5\u88ab\u5206\u7c7b\u6210REACHABLE\u6216\u8005STALE\u3002\u4f7f\u7528\u4e0b\u9762\u7684\u547d\u4ee4\uff1a<br>ip monitor all<\/li><li>\u7f51\u7edc\u63a5\u53e3\u8bbe\u7f6e<br>\u6fc0\u6d3b\u548c\u505c\u6b62\u7f51\u7edc\u63a5\u53e3<br>\u4f60\u53ef\u4ee5\u4f7f\u7528ip\u547d\u4ee4\u7684up\u548cdown\u9009\u9879\u6765\u6fc0\u67d0\u4e2a\u7279\u5b9a\u7684\u63a5\u53e3\uff0c\u5c31\u50cfifconfig\u7684\u7528\u6cd5\u4e00\u6837\u3002<\/li><\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u505c\u6b62\u7f51\u7edc\u63a5\u53e3eth0<\/h1>\n\n\n\n<p>ip link set eth0 down<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u542f\u52a8\u7f51\u7edc\u63a5\u53e3eth0<\/h1>\n\n\n\n<p>ip link set eth0 up<br>\u4fee\u6539\u8bbe\u7f6e\u4f20\u8f93\u961f\u5217\u7684\u957f\u5ea6<br>ip link set dev eth0 txqueuelen 100<br>\u6216<br>ip link set dev eth0 txqlen 100<br>\u4fee\u6539\u7f51\u7edc\u8bbe\u7f6eMTU\uff08\u6700\u5927\u4f20\u8f93\u5355\u5143\uff09\u7684\u503c<br>ip link set dev eth0 mtu 1500<br>\u4fee\u6539\u7f51\u5361\u7684MAC\u5730\u5740<br>ip link set dev eth0 address 00:01:4f:00:15:f1<\/p>\n\n\n\n<ol class=\"wp-block-list\" start=\"7\"><li>\u8def\u7531\u7b56\u7565\u8bbe\u7f6e<br>ip rule\u547d\u4ee4\u4e2d\u5305\u542badd\u3001delete\u3001show(\u6216\u8005list)\u7b49\u5b50\u547d\u4ee4\uff0c\u6ce8\u610f\uff1a\u7b56\u7565\u8def\u7531(policy routing)\u4e0d\u7b49\u4e8e\u8def\u7531\u7b56\u7565(rouing policy)\u3002\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u4e0d\u53ea\u662f\u9700\u8981\u901a\u8fc7\u6570\u636e\u5305\u7684\u76ee\u7684\u5730\u5740\u51b3\u5b9a\u8def\u7531\uff0c\u53ef\u80fd\u8fd8\u9700\u8981\u901a\u8fc7\u5176\u4ed6\u4e00\u4e9b\u57df\uff1a\u6e90\u5730\u5740\u3001IP\u534f\u8bae\u3001\u4f20\u8f93\u5c42\u7aef\u53e3\u751a\u81f3\u6570\u636e\u5305\u7684\u8d1f\u8f7d\u3002\u8fd9\u5c31\u53eb\u505a\uff1a\u7b56\u7565\u8def\u7531(policy routing)\u3002<\/li><\/ol>\n\n\n\n<h1 class=\"wp-block-heading\">\u63d2\u5165\u65b0\u7684\u89c4\u5219<\/h1>\n\n\n\n<p>ip rule add<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u5220\u9664\u89c4\u5219<\/h1>\n\n\n\n<p>ip rule delete<\/p>\n\n\n\n<h1 class=\"wp-block-heading\">\u663e\u793a\u8def\u7531\u8868\u4fe1\u606f<\/h1>\n\n\n\n<p>ip rule list<\/p>\n\n\n\n<p>\u5b50\u547d\u4ee4\u53ef\u4ee5\u7528\u5982\u4e0b\u7f29\u5199\uff1aadd\u3001a\uff1bdelete\u3001del\u3001d<\/p>\n\n\n\n<p>\u793a\u4f8b1:&nbsp;\uff1a \u53cc\u7f51\u5361\u6570\u636e\u8def\u7531\u7b56\u7565\u9009\u62e9\uff0c\u8ba9\u6765\u81ea192.168.3.0\/24\u7684\u6570\u636e\u5305\u8d7011.0.0.254\u8fd9\u4e2a\u7f51\u5173\uff0c\u6765\u81ea192.168.4.0\/24\u7684\u6570\u636e\u5305\u8d7012.0.0.254\u8fd9\u4e2a\u7f51\u5173<\/p>\n\n\n\n<p>\u5b9a\u4e49\u8868<br>echo 10 clinet_cnc &gt;&gt;\/etc\/iproute2\/rt_tables<br>echo 20 clinet_tel &gt;&gt;\/etc\/iproute2\/rt_tables<br>\u628a\u89c4\u5219\u653e\u5165\u8868\u4e2d<br>ip rule add from 192.168.3.0\/24 table clinet_cnc<br>ip rule add from 192.168.4.0\/24 table clinet_tel<br>\u6dfb\u52a0\u7b56\u7565\u8def\u7531<br>ip route add default via 11.0.0.254 table clinet_cnc<br>ip route add default via 12.0.0.254 table clinet_tel<br>\u5237\u65b0\u8def\u7531\u8868<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">ip route flush cache<\/h4>\n\n\n\n<p>\u6765\u81ea51CTO\u535a\u5ba2\u4f5c\u8005\u8ba1\u7b97\u673a\u63a7\u5236\u6316\u6398\u673a\u7092\u83dc?\u7684\u539f\u521b\u4f5c\u54c1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux\u7684ip\u547d\u4ee4\u548cifconfig\u7c7b\u4f3c\uff0c\u4f46\u524d\u8005\u529f\u80fd\u66f4\u5f3a\u5927\uff0c\u5e76\u65e8\u5728\u53d6\u4ee3\u540e\u8005\u3002\u4f7f\u7528ip\u547d\u4ee4\uff0c\u53ea\u9700\u4e00\u4e2a\u547d\u4ee4\uff0c\u4f60\u5c31 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22],"tags":[],"class_list":["post-1296","post","type-post","status-publish","format-standard","hentry","category-22"],"_links":{"self":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1296","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1296"}],"version-history":[{"count":0,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/posts\/1296\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1296"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1296"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.xtaa.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1296"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}