{"id":76993,"date":"2026-02-23T18:43:48","date_gmt":"2026-02-23T10:43:48","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/76993.html"},"modified":"2026-02-23T18:43:48","modified_gmt":"2026-02-23T10:43:48","slug":"ubuntu%e6%9c%8d%e5%8a%a1%e5%99%a8%e6%97%a0%e6%b3%95%e4%b8%8a%e7%bd%91%ef%bc%9f%e5%8f%af%e8%83%bd%e6%98%af%e5%8f%8c%e7%bd%91%e5%8d%a1%e5%9c%a8%e5%90%8c%e4%b8%80%e7%bd%91%e6%ae%b5%e6%83%b9%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/76993.html","title":{"rendered":"Ubuntu\u670d\u52a1\u5668\u65e0\u6cd5\u4e0a\u7f51\uff1f\u53ef\u80fd\u662f\u53cc\u7f51\u5361\u5728\u540c\u4e00\u7f51\u6bb5\u60f9\u7684\u7978\uff08\u9644\u89e3\u51b3\u65b9\u6848\uff09"},"content":{"rendered":"<h2>Ubuntu\u670d\u52a1\u5668\u53cc\u7f51\u5361\u914d\u7f6e&#xff1a;\u6df1\u5165\u89e3\u6790\u540c\u4e00\u7f51\u6bb5\u51b2\u7a81\u4e0e\u8def\u7531\u4f18\u5148\u7ea7\u5b9e\u6218<\/h2>\n<p>\u6700\u8fd1\u5728\u7ed9\u4e00\u53f0\u7528\u4e8e\u6df7\u5408\u8ba1\u7b97\u4efb\u52a1\u7684Ubuntu\u670d\u52a1\u5668\u505a\u7f51\u7edc\u8c03\u4f18\u65f6&#xff0c;\u9047\u5230\u4e86\u4e00\u4e2a\u9887\u4e3a\u5178\u578b\u7684\u201c\u5e7d\u7075\u201d\u95ee\u9898&#xff1a;\u670d\u52a1\u5668\u5728\u7279\u5b9a\u914d\u7f6e\u4e0b\u4f1a\u95f4\u6b47\u6027\u5931\u8054&#xff0c;\u65e0\u6cd5\u8bbf\u95ee\u5916\u90e8\u7f51\u7edc&#xff0c;\u4f46\u5185\u90e8\u670d\u52a1\u770b\u8d77\u6765\u4e00\u5207\u6b63\u5e38\u3002\u7ecf\u8fc7\u4e00\u756a\u6392\u67e5&#xff0c;\u95ee\u9898\u7684\u6839\u6e90\u9501\u5b9a\u5728\u4e86\u4e24\u5f20\u914d\u7f6e\u5728\u540c\u4e00\u7f51\u6bb5\u7684\u7269\u7406\u7f51\u5361\u4e0a\u3002\u8fd9\u5e76\u975e\u4e2a\u4f8b&#xff0c;\u5bf9\u4e8e\u9700\u8981\u5728\u5355\u53f0\u670d\u52a1\u5668\u4e0a\u90e8\u7f72\u591a\u7f51\u7edc\u73af\u5883&#xff08;\u5982\u540c\u65f6\u63a5\u5165\u4e1a\u52a1\u7f51\u7edc\u3001\u5b58\u50a8\u7f51\u7edc\u6216\u7ba1\u7406\u7f51\u7edc&#xff09;\u7684\u8fd0\u7ef4\u5de5\u7a0b\u5e08\u548c\u5f00\u53d1\u8005\u800c\u8a00&#xff0c;\u7406\u89e3\u5e76\u89e3\u51b3\u6b64\u7c7b\u8def\u7531\u51b2\u7a81&#xff0c;\u662f\u4fdd\u969c\u670d\u52a1\u7a33\u5b9a\u6027\u7684\u57fa\u672c\u529f\u3002\u672c\u6587\u5c06\u4ece\u4e00\u4e2a\u771f\u5b9e\u7684\u6545\u969c\u573a\u666f\u5207\u5165&#xff0c;\u4e0d\u4ec5\u544a\u8bc9\u4f60\u5982\u4f55\u5feb\u901f\u201c\u6551\u706b\u201d&#xff0c;\u66f4\u4f1a\u6df1\u5165\u5256\u6790Linux\u5185\u6838\u8def\u7531\u51b3\u7b56\u7684\u5e95\u5c42\u903b\u8f91&#xff0c;\u5e76\u63d0\u4f9b\u4e00\u5957\u4ece\u8bca\u65ad\u3001\u5206\u6790\u5230\u6c38\u4e45\u6027\u4fee\u590d\u7684\u5b8c\u6574\u64cd\u4f5c\u6307\u5357\u3002<\/p>\n<h3>1. \u95ee\u9898\u73b0\u8c61\u4e0e\u5feb\u901f\u8bca\u65ad&#xff1a;\u5f53\u7f51\u7edc\u201c\u9009\u62e9\u56f0\u96be\u75c7\u201d\u53d1\u4f5c<\/h3>\n<p>\u90a3\u5929\u4e0b\u5348&#xff0c;\u76d1\u63a7\u7cfb\u7edf\u62a5\u8b66\u63d0\u793a\u4e00\u53f0\u5173\u952e\u7684\u8ba1\u7b97\u8282\u70b9\u65e0\u6cd5\u901a\u8fc7SSH\u8fde\u63a5\u3002\u767b\u5f55\u5230\u5e26\u5916\u7ba1\u7406\u754c\u9762\u67e5\u770b&#xff0c;\u7cfb\u7edf\u672c\u8eab\u662f\u8fd0\u884c\u7684&#xff0c;systemctl status networking \u4e5f\u663e\u793a\u670d\u52a1\u6b63\u5e38\u3002\u5c1d\u8bd5\u4ece\u670d\u52a1\u5668\u5185\u90e8 ping \u4e00\u4e2a\u516c\u7f51\u5730\u5740&#xff08;\u5982 8.8.8.8&#xff09;\u6216\u5185\u90e8\u7f51\u5173&#xff0c;\u5374\u6536\u5230\u4e86 Destination Host Unreachable \u6216\u5e72\u8106\u8d85\u65f6\u65e0\u54cd\u5e94\u3002<\/p>\n<p>\u7b2c\u4e00\u6b65&#xff0c;\u6211\u4eec\u603b\u662f\u4ece\u6700\u57fa\u7840\u7684\u8fde\u901a\u6027\u68c0\u67e5\u5f00\u59cb&#xff1a;<\/p>\n<p># \u68c0\u67e5\u7269\u7406\u94fe\u8def\u72b6\u6001<br \/>\nip link show<\/p>\n<p># \u793a\u4f8b\u8f93\u51fa\u6458\u8981&#xff1a;<br \/>\n# 1: lo: &lt;LOOPBACK,UP,LOWER_UP&gt; mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000<br \/>\n# 2: eno1: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000<br \/>\n# 3: eno2: &lt;BROADCAST,MULTICAST,UP,LOWER_UP&gt; mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000<\/p>\n<p>\u4e24\u4e2a\u7f51\u53e3 eno1 \u548c eno2 \u90fd\u663e\u793a state UP \u548c LOWER_UP&#xff0c;\u8bf4\u660e\u7f51\u7ebf\u8fde\u63a5\u548c\u7269\u7406\u94fe\u8def\u5c42\u662f\u6b63\u5e38\u7684\u3002<\/p>\n<p>\u7b2c\u4e8c\u6b65&#xff0c;\u67e5\u770bIP\u914d\u7f6e&#xff0c;\u8fd9\u662f\u53d1\u73b0\u95ee\u9898\u7684\u5173\u952e&#xff1a;<\/p>\n<p>ip addr show<\/p>\n<p>\u8f93\u51fa\u663e\u793a&#xff1a;<\/p>\n<ul>\n<li>eno1: inet 192.168.2.10\/24 brd 192.168.2.255 scope global eno1<\/li>\n<li>eno2: inet 192.168.2.12\/24 brd 192.168.2.255 scope global eno2<\/li>\n<\/ul>\n<p>\u8b66\u62a5\u7acb\u523b\u54cd\u8d77&#xff1a;\u4e24\u5f20\u7f51\u5361\u914d\u7f6e\u5728\u4e86\u540c\u4e00\u4e2a 192.168.2.0\/24 \u7f51\u6bb5\u3002\u8fd9\u672c\u8eab\u4e0d\u4e00\u5b9a\u5bfc\u81f4\u95ee\u9898&#xff0c;\u4f46\u7ed3\u5408\u65e0\u6cd5\u4e0a\u7f51\u7684\u73b0\u8c61&#xff0c;\u5c31\u9ad8\u5ea6\u53ef\u7591\u3002<\/p>\n<p>\u7b2c\u4e09\u6b65&#xff0c;\u8fdb\u884c\u90a3\u4e2a\u7ecf\u5178\u7684\u201c\u62d4\u7ebf\u6d4b\u8bd5\u201d&#xff1a;<\/p>\n<li>\u4fdd\u6301 eno1&#xff08;\u8fde\u63a5\u4e3b\u4ea4\u6362\u673a\u548c\u5916\u90e8\u7f51\u7edc&#xff09;\u7f51\u7ebf\u8fde\u63a5\u3002<\/li>\n<li>\u7269\u7406\u62d4\u6389 eno2&#xff08;\u8fde\u63a5\u53e6\u4e00\u53f0\u4e13\u7528\u8bbe\u5907&#xff09;\u7684\u7f51\u7ebf\u3002<\/li>\n<li>\u518d\u6b21\u5c1d\u8bd5 ping 8.8.8.8 \u6216\u5185\u90e8\u7f51\u5173 192.168.2.1\u3002<\/li>\n<p>\u6ce8\u610f&#xff1a;\u5728\u7269\u7406\u670d\u52a1\u5668\u4e0a\u64cd\u4f5c\u65f6&#xff0c;\u786e\u4fdd\u4f60\u4e86\u89e3\u6bcf\u6839\u7f51\u7ebf\u5bf9\u5e94\u7684\u4e1a\u52a1&#xff0c;\u907f\u514d\u8bef\u62d4\u751f\u4ea7\u6d41\u91cf\u7ebf\u3002\u5982\u679c\u6761\u4ef6\u5141\u8bb8&#xff0c;\u5728\u6d4b\u8bd5\u73af\u5883\u590d\u73b0\u662f\u66f4\u5b89\u5168\u7684\u9009\u62e9\u3002<\/p>\n<p>\u5982\u679c\u62d4\u6389 eno2 \u540e\u7f51\u7edc\u7acb\u5373\u6062\u590d&#xff0c;\u90a3\u4e48\u51e0\u4e4e\u53ef\u4ee5\u65ad\u5b9a&#xff0c;\u95ee\u9898\u5c31\u51fa\u5728\u540c\u4e00\u7f51\u6bb5\u4e0b\u7684\u591a\u5f20\u7f51\u5361\u5bfc\u81f4\u4e86\u8def\u7531\u6df7\u4e71\u3002Linux\u5185\u6838\u9762\u5bf9\u591a\u4e2a\u901a\u5f80\u540c\u4e00\u7f51\u7edc\u7684\u8def\u7531\u51fa\u53e3\u65f6&#xff0c;\u5982\u679c\u7f3a\u4e4f\u660e\u786e\u7684\u4f18\u5148\u7ea7\u6307\u5f15&#xff0c;\u5c31\u4f1a\u9677\u5165\u201c\u9009\u62e9\u56f0\u96be\u201d&#xff0c;\u53ef\u80fd\u5c06\u672c\u5e94\u53d1\u5f80\u5916\u90e8\u7f51\u5173\u7684\u6d41\u91cf\u9519\u8bef\u5730\u5bfc\u5411\u4e86\u53e6\u4e00\u5f20\u7f51\u5361&#xff0c;\u800c\u90a3\u5f20\u7f51\u5361\u6240\u8fde\u63a5\u7684\u8bbe\u5907&#xff08;\u672c\u4f8b\u4e2d\u7684\u53e6\u4e00\u53f0\u7269\u7406\u673a&#xff09;\u5e76\u975e\u7f51\u5173&#xff0c;\u65e0\u6cd5\u5904\u7406\u8fd9\u4e9b\u6d41\u91cf&#xff0c;\u6700\u7ec8\u5bfc\u81f4\u901a\u4fe1\u5931\u8d25\u3002<\/p>\n<h3>2. \u6df1\u5165\u539f\u7406&#xff1a;Linux\u8def\u7531\u8868\u4e0e\u201c\u9ed8\u8ba4\u7f51\u5173\u201d\u7684\u535a\u5f08<\/h3>\n<p>\u8981\u6839\u6cbb\u95ee\u9898&#xff0c;\u4e0d\u80fd\u53ea\u9760\u62d4\u7f51\u7ebf&#xff0c;\u5fc5\u987b\u7406\u89e3\u80cc\u540e\u7684\u673a\u5236\u3002\u6838\u5fc3\u5728\u4e8e Linux\u5185\u6838\u7684\u8def\u7531\u8868&#xff08;Routing Table&#xff09; \u548c \u9ed8\u8ba4\u7f51\u5173&#xff08;Default Gateway&#xff09; \u7684\u6982\u5ff5\u3002<\/p>\n<p>\u5f53\u4f60\u7684\u670d\u52a1\u5668\u8981\u53d1\u9001\u4e00\u4e2a\u6570\u636e\u5305\u65f6&#xff0c;\u5185\u6838\u4f1a\u67e5\u8be2\u8def\u7531\u8868\u6765\u51b3\u5b9a\u8fd9\u4e2a\u5305\u4ece\u54ea\u4e2a\u7f51\u7edc\u63a5\u53e3\u53d1\u51fa\u3002\u8def\u7531\u8868\u53ef\u4ee5\u770b\u4f5c\u4e00\u4e2a\u51b3\u7b56\u5730\u56fe\u3002\u4f7f\u7528 ip route show \u6216\u4f20\u7edf\u7684 route -n \u547d\u4ee4\u53ef\u4ee5\u67e5\u770b\u5b83\u3002<\/p>\n<p>\u5728\u53cc\u7f51\u5361\u540c\u7f51\u6bb5\u7684\u6545\u969c\u72b6\u6001\u4e0b&#xff0c;\u4f60\u53ef\u80fd\u4f1a\u770b\u5230\u7c7b\u4f3c\u8fd9\u6837\u7684\u8def\u7531\u8868&#xff1a;<\/p>\n<p>$ route -n<br \/>\nKernel IP routing table<br \/>\nDestination     Gateway         Genmask         Flags Metric Ref    Use Iface<br \/>\n0.0.0.0         192.168.2.1     0.0.0.0         UG    100    0        0 eno1<br \/>\n0.0.0.0         192.168.2.101   0.0.0.0         UG    100    0        0 eno2<br \/>\n192.168.2.0     0.0.0.0         255.255.255.0   U     100    0        0 eno1<br \/>\n192.168.2.0     0.0.0.0         255.255.255.0   U     100    0        0 eno2<\/p>\n<p>\u8fd9\u91cc\u6709\u4e24\u4e2a\u5173\u952e\u70b9&#xff1a;<\/p>\n<li>\u4e24\u6761\u9ed8\u8ba4\u8def\u7531&#xff1a;\u76ee\u6807 0.0.0.0&#xff08;\u5339\u914d\u4efb\u4f55\u5730\u5740&#xff09;\u6709\u4e24\u6761\u8bb0\u5f55&#xff0c;\u5206\u522b\u6307\u5411\u7f51\u5173 192.168.2.1 (eno1) \u548c 192.168.2.101 (eno2)\u3002\u8fd9\u610f\u5473\u7740\u5bf9\u4e8e\u6240\u6709\u975e\u672c\u5730\u7684\u6d41\u91cf&#xff08;\u6bd4\u5982\u8bbf\u95ee\u4e92\u8054\u7f51&#xff09;&#xff0c;\u5185\u6838\u6709\u4e24\u4e2a\u6f5c\u5728\u7684\u51fa\u53e3\u3002<\/li>\n<li>\u76f8\u540c\u7684\u5ea6\u91cf\u503c&#xff08;Metric&#xff09;&#xff1a;\u4e24\u6761\u9ed8\u8ba4\u8def\u7531\u7684 Metric \u503c\u90fd\u662f 100\u3002Metric\u662f\u51b3\u5b9a\u4f18\u5148\u7ea7\u7684\u5173\u952e&#xff0c;\u6570\u503c\u8d8a\u4f4e&#xff0c;\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u5f53Metric\u76f8\u540c\u65f6&#xff0c;\u5185\u6838\u7684\u884c\u4e3a\u662f\u4e0d\u786e\u5b9a\u7684&#xff0c;\u53ef\u80fd\u6839\u636e\u8def\u7531\u52a0\u5165\u7684\u987a\u5e8f\u3001\u8fde\u63a5\u72b6\u6001\u7b49\u56e0\u7d20\u8fdb\u884c\u9009\u62e9&#xff0c;\u8fd9\u79cd\u4e0d\u786e\u5b9a\u6027\u6b63\u662f\u5bfc\u81f4\u7f51\u7edc\u65f6\u901a\u65f6\u65ad\u7684\u5143\u51f6\u3002<\/li>\n<p>\u6b64\u5916&#xff0c;\u5bf9\u4e8e\u76f4\u8fde\u7f51\u7edc 192.168.2.0\/24 \u4e5f\u6709\u4e24\u6761\u8def\u7531&#xff0c;\u540c\u6837Metric\u76f8\u540c\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u53d1\u5f80\u540c\u7f51\u6bb5\u5176\u4ed6\u4e3b\u673a\u7684\u6d41\u91cf\u4e5f\u51fa\u73b0\u8def\u5f84\u9009\u62e9\u9519\u8bef\u3002<\/p>\n<p>\u90a3\u4e48&#xff0c;\u5185\u6838\u5230\u5e95\u600e\u4e48\u9009&#xff1f;<br \/>\n\u7b80\u5355\u6765\u8bf4&#xff0c;\u5f53Metric\u76f8\u540c\u65f6&#xff0c;\u6ca1\u6709\u4e00\u4e2a\u7edd\u5bf9\u7a33\u5b9a\u7684\u6807\u51c6\u3002\u5728\u67d0\u4e9b\u5185\u6838\u7248\u672c\u6216\u914d\u7f6e\u4e0b&#xff0c;\u540e\u52a0\u5165\u7684\u8def\u7531\u53ef\u80fd\u751f\u6548&#xff1b;\u5728\u53e6\u4e00\u4e9b\u60c5\u51b5\u4e0b&#xff0c;\u53ef\u80fd\u4f1a\u57fa\u4e8e\u67d0\u79cd\u54c8\u5e0c\u7b97\u6cd5\u8fdb\u884c\u8d1f\u8f7d\u5747\u8861&#xff08;\u4f46\u8fd9\u5728\u9ed8\u8ba4\u7f51\u5173\u573a\u666f\u4e0b\u662f\u707e\u96be\u6027\u7684&#xff09;\u3002\u56e0\u6b64&#xff0c;\u6211\u4eec\u5fc5\u987b\u624b\u52a8\u4ecb\u5165&#xff0c;\u901a\u8fc7\u8bbe\u7f6e\u4e0d\u540c\u7684Metric\u503c\u6765\u660e\u786e\u544a\u8bc9\u5185\u6838&#xff1a;\u201c\u4f18\u5148\u4f7f\u7528\u54ea\u6761\u8def\u201d\u3002<\/p>\n<h3>3. \u5b9e\u6218\u89e3\u51b3\u65b9\u6848&#xff1a;\u4e34\u65f6\u8c03\u6574\u4e0e\u6c38\u4e45\u914d\u7f6e<\/h3>\n<p>\u89e3\u51b3\u65b9\u6848\u7684\u6838\u5fc3\u601d\u60f3\u662f&#xff1a;\u4e3a\u6b63\u786e\u7684\u51fa\u53e3&#xff08;\u8fde\u63a5\u5916\u90e8\u7f51\u7edc\u7684\u7f51\u5361&#xff09;\u8bbe\u7f6e\u66f4\u4f4e\u7684Metric\u503c&#xff0c;\u4f7f\u5176\u6210\u4e3a\u660e\u786e\u7684\u3001\u4f18\u5148\u7ea7\u6700\u9ad8\u7684\u9ed8\u8ba4\u8def\u7531\u3002<\/p>\n<h4>3.1 \u4e34\u65f6\u89e3\u51b3\u65b9\u6848&#xff08;\u91cd\u542f\u540e\u5931\u6548&#xff09;<\/h4>\n<p>\u5728\u7d27\u6025\u6062\u590d\u6216\u6d4b\u8bd5\u65f6&#xff0c;\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528 ip route \u547d\u4ee4\u4fee\u6539\u8def\u7531\u8868\u3002<\/p>\n<p>\u9996\u5148&#xff0c;\u5220\u9664\u90a3\u6761\u9519\u8bef&#xff08;\u6216\u591a\u4f59&#xff09;\u7684\u9ed8\u8ba4\u8def\u7531&#xff1a;<\/p>\n<p>sudo ip route del default via 192.168.2.101 dev eno2<\/p>\n<p>\u8fd9\u6761\u547d\u4ee4\u5220\u9664\u4e86\u901a\u8fc7 eno2 \u7f51\u5173 192.168.2.101 \u7684\u9ed8\u8ba4\u8def\u7531\u3002<\/p>\n<p>\u6b64\u65f6&#xff0c;\u8def\u7531\u8868\u4e2d\u5e94\u8be5\u53ea\u5269\u4e0b\u4e00\u6761\u901a\u8fc7 eno1 \u7684\u9ed8\u8ba4\u8def\u7531\u3002 \u4f60\u53ef\u4ee5\u7acb\u5373\u6d4b\u8bd5\u7f51\u7edc\u662f\u5426\u6062\u590d\u3002<\/p>\n<p>\u5982\u679c\u4f60\u60f3\u66f4\u7cbe\u7ec6\u5730\u63a7\u5236&#xff0c;\u4e0d\u662f\u5220\u9664&#xff0c;\u800c\u662f\u4fee\u6539\u5176Metric\u503c&#xff0c;\u4f7f\u5176\u4f18\u5148\u7ea7\u964d\u4f4e&#xff0c;\u53ef\u4ee5\u8fd9\u6837\u505a&#xff1a;<\/p>\n<p># \u5148\u5220\u9664\u65e7\u8def\u7531<br \/>\nsudo ip route del default via 192.168.2.101 dev eno2<br \/>\n# \u6dfb\u52a0\u4e00\u6761Metric\u66f4\u9ad8\u7684\u65b0\u8def\u7531<br \/>\nsudo ip route add default via 192.168.2.101 dev eno2 metric 200<\/p>\n<p>\u73b0\u5728&#xff0c;eno1 \u7684\u9ed8\u8ba4\u8def\u7531Metric\u4e3a100&#xff0c;eno2\u7684\u4e3a200&#xff0c;\u5185\u6838\u4f1a\u6beb\u65e0\u7591\u95ee\u5730\u9009\u62e9 eno1 \u4f5c\u4e3a\u51fa\u53e3\u3002<\/p>\n<h4>3.2 \u6c38\u4e45\u89e3\u51b3\u65b9\u6848&#xff08;\u901a\u8fc7Netplan\u6216NetworkManager\u914d\u7f6e&#xff09;<\/h4>\n<p>\u4e34\u65f6\u4fee\u6539\u5728\u670d\u52a1\u5668\u91cd\u542f\u540e\u4f1a\u4e22\u5931\u3002\u5bf9\u4e8eUbuntu\u670d\u52a1\u5668&#xff08;\u5c24\u5176\u662f18.04\u53ca\u4ee5\u540e\u7248\u672c&#xff09;&#xff0c;Netplan \u662f\u6807\u51c6\u7684\u7f51\u7edc\u914d\u7f6e\u5de5\u5177\u3002\u6211\u4eec\u9700\u8981\u5728YAML\u914d\u7f6e\u6587\u4ef6\u4e2d\u4e3a\u6bcf\u4e2a\u63a5\u53e3\u660e\u786e\u6307\u5b9a\u8def\u7531\u7684Metric\u3002<\/p>\n<p>\u627e\u5230\u4f60\u7684Netplan\u914d\u7f6e\u6587\u4ef6&#xff0c;\u901a\u5e38\u5728 \/etc\/netplan\/ \u76ee\u5f55\u4e0b&#xff0c;\u4f8b\u5982 01-netcfg.yaml \u6216 00-installer-config.yaml\u3002<\/p>\n<p>\u4fee\u6539\u524d\u5907\u4efd\u603b\u662f\u597d\u4e60\u60ef&#xff1a;<\/p>\n<p>sudo cp \/etc\/netplan\/01-netcfg.yaml \/etc\/netplan\/01-netcfg.yaml.backup<\/p>\n<p>\u7136\u540e\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6&#xff1a;<\/p>\n<p>network:<br \/>\n  version: 2<br \/>\n  ethernets:<br \/>\n    eno1:<br \/>\n      addresses:<br \/>\n        &#8211; 192.168.2.10\/24<br \/>\n      routes:<br \/>\n        &#8211; to: 0.0.0.0\/0<br \/>\n          via: 192.168.2.1<br \/>\n          metric: 100  # \u4e3b\u51fa\u53e3&#xff0c;\u8bbe\u7f6e\u8f83\u4f4e\u7684Metric<br \/>\n      nameservers:<br \/>\n        addresses: [8.8.8.8, 1.1.1.1]<br \/>\n    eno2:<br \/>\n      addresses:<br \/>\n        &#8211; 192.168.2.12\/24<br \/>\n      routes:<br \/>\n        &#8211; to: 0.0.0.0\/0<br \/>\n          via: 192.168.2.101<br \/>\n          metric: 200  # \u5907\u7528\u6216\u4e13\u7528\u51fa\u53e3&#xff0c;\u8bbe\u7f6e\u8f83\u9ad8\u7684Metric<br \/>\n        # \u4f60\u4e5f\u53ef\u4ee5\u6dfb\u52a0\u4e00\u6761\u66f4\u5177\u4f53\u7684\u8def\u7531&#xff0c;\u53ea\u8ba9\u901a\u5f80\u7279\u5b9a\u8bbe\u5907\u7684\u6d41\u91cf\u8d70eno2<br \/>\n        &#8211; to: 192.168.2.100\/32 # \u5047\u8bbe\u8fd9\u662f\u53e6\u4e00\u53f0\u7269\u7406\u673a\u7684\u5177\u4f53IP<br \/>\n          via: 192.168.2.101<br \/>\n          metric: 100<\/p>\n<p>\u5173\u952e\u914d\u7f6e\u89e3\u6790\u8868&#xff1a;<\/p>\n<table>\n<tr>\u914d\u7f6e\u9879\u4f5c\u7528\u793a\u4f8b\u503c\u8bf4\u660e<\/tr>\n<tbody>\n<tr>\n<td style=\"text-align:left\">routes: &#8211; to:<\/td>\n<td style=\"text-align:left\">\u5b9a\u4e49\u76ee\u6807\u7f51\u7edc<\/td>\n<td style=\"text-align:left\">0.0.0.0\/0<\/td>\n<td style=\"text-align:left\">0.0.0.0\/0 \u4ee3\u8868\u9ed8\u8ba4\u8def\u7531&#xff08;\u6240\u6709\u6d41\u91cf&#xff09;\u3002\u4e5f\u53ef\u4ee5\u5199\u5177\u4f53\u7f51\u6bb5\u5982 10.1.0.0\/16\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">via:<\/td>\n<td style=\"text-align:left\">\u6307\u5b9a\u4e0b\u4e00\u8df3\u7f51\u5173<\/td>\n<td style=\"text-align:left\">192.168.2.1<\/td>\n<td style=\"text-align:left\">\u6570\u636e\u5305\u8981\u53d1\u9001\u5230\u7684\u7f51\u5173\u5730\u5740\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">metric:<\/td>\n<td style=\"text-align:left\">\u8bbe\u7f6e\u8def\u7531\u4f18\u5148\u7ea7<\/td>\n<td style=\"text-align:left\">100<\/td>\n<td style=\"text-align:left\">\u6838\u5fc3\u53c2\u6570\u3002\u6570\u503c\u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8\u3002\u5fc5\u987b\u4e3a\u4e3b\u6b21\u51fa\u53e3\u8bbe\u7f6e\u4e0d\u540c\u7684\u503c\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align:left\">to: &#8230;\/32<\/td>\n<td style=\"text-align:left\">\u6307\u5411\u5355\u4e2a\u4e3b\u673a\u7684\u8def\u7531<\/td>\n<td style=\"text-align:left\">192.168.2.100\/32<\/td>\n<td style=\"text-align:left\">\u975e\u5e38\u7cbe\u786e\u7684\u8def\u7531&#xff0c;\u8ba9\u53d1\u5f80\u8be5\u7279\u5b9aIP\u7684\u6d41\u91cf\u8d70\u6307\u5b9a\u7f51\u5173&#xff0c;\u4e0d\u5f71\u54cd\u5176\u4ed6\u6d41\u91cf\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u4e0a\u9762\u7684\u914d\u7f6e\u4e2d&#xff0c;\u6211\u4eec\u4e0d\u4ec5\u901a\u8fc7\u4e0d\u540c\u7684Metric&#xff08;100 vs 200&#xff09;\u660e\u786e\u4e86\u9ed8\u8ba4\u8def\u7531\u7684\u4e3b\u6b21\u5173\u7cfb&#xff0c;\u8fd8\u4e3a eno2 \u6dfb\u52a0\u4e86\u4e00\u6761\u9759\u6001\u4e3b\u673a\u8def\u7531&#xff0c;\u786e\u4fdd\u53d1\u5f80 192.168.2.100 \u7684\u6d41\u91cf\u59cb\u7ec8\u901a\u8fc7 eno2 \u7684\u7f51\u5173 192.168.2.101 \u9001\u51fa&#xff0c;\u8fd9\u6bd4\u5355\u7eaf\u4f9d\u8d56Metric\u66f4\u7cbe\u786e\u3001\u66f4\u53ef\u9760\u3002<\/p>\n<p>\u5e94\u7528Netplan\u914d\u7f6e&#xff1a;<\/p>\n<p>sudo netplan apply<\/p>\n<p>\u6267\u884c\u540e&#xff0c;\u65b0\u7684\u8def\u7531\u89c4\u5219\u4f1a\u7acb\u5373\u751f\u6548&#xff0c;\u5e76\u4e14\u4f1a\u6301\u4e45\u5316\u5230\u7cfb\u7edf\u542f\u52a8\u4e2d\u3002<\/p>\n<p>\u63d0\u793a&#xff1a;\u5982\u679c netplan apply \u540e\u7f51\u7edc\u51fa\u73b0\u610f\u5916\u4e2d\u65ad&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u5e26\u5916\u7ba1\u7406\u53e3\u767b\u5f55&#xff0c;\u6216\u8005\u4f7f\u7528 sudo netplan &#8211;debug apply \u67e5\u770b\u8be6\u7ec6\u5904\u7406\u8fc7\u7a0b\u3002\u56de\u6eda\u53ea\u9700\u5c06\u5907\u4efd\u7684\u914d\u7f6e\u6587\u4ef6\u8986\u76d6\u56de\u53bb\u5e76\u518d\u6b21\u5e94\u7528\u3002<\/p>\n<h3>4. \u8fdb\u9636\u7b56\u7565\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<p>\u89e3\u51b3\u4e86\u57fa\u672c\u51b2\u7a81\u540e&#xff0c;\u6211\u4eec\u53ef\u4ee5\u601d\u8003\u66f4\u4f18\u7684\u7f51\u7edc\u67b6\u6784&#xff0c;\u907f\u514d\u5c06\u670d\u52a1\u5668\u7f6e\u4e8e\u8fd9\u79cd\u201c\u9009\u62e9\u56f0\u96be\u201d\u7684\u5883\u5730\u3002<\/p>\n<p>\u7b56\u7565\u4e00&#xff1a;\u89c4\u5212\u4e0d\u540c\u7684IP\u7f51\u6bb5<br \/>\n\u8fd9\u662f\u6700\u6839\u672c\u3001\u6700\u6e05\u6670\u7684\u89e3\u51b3\u65b9\u6848\u3002\u4e3a\u4e0d\u540c\u7684\u4e1a\u52a1\u6216\u7f51\u7edc\u5e73\u9762\u5206\u914d\u5b8c\u5168\u4e0d\u540c\u7684IP\u5730\u5740\u6bb5\u3002<\/p>\n<ul>\n<li>\u4e1a\u52a1\u7f51\u7edc&#xff08;\u4e0a\u7f51&#xff09;&#xff1a;192.168.1.0\/24<\/li>\n<li>\u5b58\u50a8\u7f51\u7edc&#xff1a;10.10.10.0\/24<\/li>\n<li>\u7ba1\u7406\u7f51\u7edc&#xff1a;172.16.0.0\/24<br \/>\n\u8fd9\u6837&#xff0c;\u8def\u7531\u8868\u4f1a\u6839\u636e\u76ee\u6807IP\u5730\u5740\u6240\u5c5e\u7684\u7f51\u6bb5\u81ea\u52a8\u9009\u62e9\u6b63\u786e\u7684\u63a5\u53e3&#xff0c;\u6839\u672c\u4e0d\u4f1a\u4ea7\u751f\u9ed8\u8ba4\u8def\u7531\u7684\u51b2\u7a81\u3002\u8fd9\u9700\u8981\u7f51\u7edc\u4ea4\u6362\u673a\u548c\u6574\u4f53\u7f51\u7edc\u89c4\u5212\u7684\u914d\u5408\u3002<\/li>\n<\/ul>\n<p>\u7b56\u7565\u4e8c&#xff1a;\u5229\u7528\u7b56\u7565\u8def\u7531&#xff08;Policy-Based Routing&#xff09;<br \/>\n\u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u573a\u666f&#xff0c;\u4f8b\u5982\u9700\u8981\u6839\u636e\u6e90IP\u3001\u534f\u8bae\u7c7b\u578b\u751a\u81f3\u7aef\u53e3\u6765\u51b3\u5b9a\u51fa\u53e3&#xff0c;\u5c31\u9700\u8981\u7528\u5230\u5f3a\u5927\u7684\u7b56\u7565\u8def\u7531\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7 ip rule \u548c ip route \u547d\u4ee4\u914d\u5408\u5b9e\u73b0&#xff0c;\u521b\u5efa\u4e00\u4e2a\u72ec\u7acb\u7684\u8def\u7531\u8868\u3002<\/p>\n<p>\u4f8b\u5982&#xff0c;\u8ba9\u6765\u81ea eno2 \u63a5\u53e3IP (192.168.2.12) \u7684\u6d41\u91cf\u8d70\u4e13\u7528\u7684\u8def\u7531\u8868&#xff1a;<\/p>\n<p># \u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u8def\u7531\u8868&#xff08;\u7f16\u53f7\u81ea\u5b9a\u4e49&#xff0c;\u5982100&#xff09;<br \/>\necho &#034;100 custom_table&#034; | sudo tee -a \/etc\/iproute2\/rt_tables<\/p>\n<p># \u6dfb\u52a0\u4e00\u6761\u89c4\u5219&#xff1a;\u6765\u81ea192.168.2.12\u7684\u6570\u636e\u5305&#xff0c;\u67e5\u8be2custom_table<br \/>\nsudo ip rule add from 192.168.2.12 lookup custom_table<\/p>\n<p># \u5728custom_table\u4e2d\u6dfb\u52a0\u9ed8\u8ba4\u8def\u7531<br \/>\nsudo ip route add default via 192.168.2.101 dev eno2 table custom_table<\/p>\n<p>\u8fd9\u6837&#xff0c;\u7cfb\u7edf\u8def\u7531\u8868&#xff08;main&#xff09;\u8d1f\u8d23 eno1 \u7684\u6d41\u91cf&#xff0c;\u800c custom_table \u4e13\u95e8\u8d1f\u8d23 eno2 \u7684\u6d41\u91cf&#xff0c;\u4e24\u8005\u5b8c\u5168\u9694\u79bb&#xff0c;\u4e92\u4e0d\u5e72\u6270\u3002\u7b56\u7565\u8def\u7531\u7684\u914d\u7f6e\u540c\u6837\u53ef\u4ee5\u96c6\u6210\u5230Netplan\u4e2d\u5b9e\u73b0\u6301\u4e45\u5316\u3002<\/p>\n<p>\u7b56\u7565\u4e09&#xff1a;\u7ed1\u5b9a\u4e0e\u805a\u5408&#xff08;Bonding\/LACP&#xff09;<br \/>\n\u5982\u679c\u4f60\u7684\u4e24\u5f20\u7f51\u5361\u662f\u4e3a\u4e86\u8fde\u63a5\u540c\u4e00\u53f0\u4ea4\u6362\u673a\u4ee5\u5b9e\u73b0\u5e26\u5bbd\u805a\u5408\u548c\u9ad8\u53ef\u7528&#xff0c;\u90a3\u4e48\u4f60\u5e94\u8be5\u914d\u7f6e\u7f51\u7edc\u7ed1\u5b9a&#xff08;Bonding&#xff09;&#xff0c;\u800c\u4e0d\u662f\u7ed9\u5b83\u4eec\u5206\u914d\u4e24\u4e2a\u72ec\u7acb\u7684IP\u3002\u5728Bonding\u6a21\u5f0f\u4e0b&#xff0c;\u591a\u4e2a\u7269\u7406\u7f51\u5361\u865a\u62df\u6210\u4e00\u5f20\u903b\u8f91\u7f51\u5361&#xff08;\u5982 bond0&#xff09;&#xff0c;\u53ea\u6709\u4e00\u4e2aIP\u5730\u5740&#xff0c;\u5f7b\u5e95\u675c\u7edd\u4e86\u8def\u7531\u51b2\u7a81\u3002<\/p>\n<p>\u6700\u540e&#xff0c;\u5206\u4eab\u4e00\u4e2a\u6211\u81ea\u5df1\u7684\u4e60\u60ef&#xff1a;\u5728\u5b8c\u6210\u4efb\u4f55\u7f51\u7edc\u914d\u7f6e\u53d8\u66f4\u540e&#xff0c;\u9664\u4e86 ping \u6d4b\u8bd5&#xff0c;\u6211\u603b\u4f1a\u8fd0\u884c\u4e00\u4e2a\u7b80\u5355\u7684\u811a\u672c&#xff0c;\u7528 curl \u6216 wget \u5feb\u901f\u8bbf\u95ee\u51e0\u4e2a\u5df2\u77e5\u7a33\u5b9a\u7684\u5916\u90e8\u548c\u5185\u90e8\u5730\u5740&#xff0c;\u5e76\u68c0\u67e5\u5404\u4e2a\u7f51\u53e3\u4e0a\u7684\u6d41\u91cf\u8ba1\u6570&#xff08;ip -s link 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