{"id":5496,"date":"2026-03-15T21:55:27","date_gmt":"2026-03-15T12:55:27","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5496"},"modified":"2026-03-15T21:55:27","modified_gmt":"2026-03-15T12:55:27","slug":"k3e1rs6xraxcunr","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/03\/15\/k3e1rs6xraxcunr\/","title":{"rendered":"\u6811\u8393\u6d3e\u901a\u8fc7 USB \u8fde\u63a5\u4fbf\u643a\u5f0f Wi-Fi \u65f6\u7684\u7f51\u7edc\u884c\u4e3a\u5206\u6790"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u95ee\u9898\u80cc\u666f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u67d0\u53f0\u6811\u8393\u6d3e\u901a\u8fc7 USB \u8fde\u63a5\u4e86\u4e00\u53f0\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u3002\u8be5\u8bbe\u5907\u652f\u6301\u901a\u8fc7 USB \u5411\u6811\u8393\u6d3e\u66b4\u9732\u4e00\u4e2a\u5171\u4eab\u7f51\u7edc\u63a5\u53e3\uff0c\u4f46\u5728\u672a\u63d2\u5165\u53ef\u7528 SIM \u5361\u65f6\uff0c\u672c\u8eab\u5e76\u4e0d\u5177\u5907\u5b9e\u9645\u7684\u5916\u7f51\u63a5\u5165\u80fd\u529b\u3002\u4e0e\u6b64\u540c\u65f6\uff0c\u6811\u8393\u6d3e\u8fd8\u901a\u8fc7\u81ea\u8eab\u7684\u65e0\u7ebf\u7f51\u5361\u8fde\u63a5\u5bb6\u5ead\u65e0\u7ebf\u7f51\u7edc\u5b9e\u73b0\u4e0a\u7f51\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u7cfb\u7edf\u4e2d\u51fa\u73b0\u4e86\u8fd9\u6837\u4e00\u79cd\u7ed3\u6784\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u6811\u8393\u6d3e\u81ea\u5e26\u65e0\u7ebf\u7f51\u5361\u8fde\u63a5\u5bb6\u5ead\u65e0\u7ebf\u7f51\u7edc<\/li>\n\n\n\n<li>\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u901a\u8fc7 USB \u66b4\u9732\u4e00\u4e2a\u989d\u5916\u7684\u7f51\u7edc\u63a5\u53e3<\/li>\n\n\n\n<li>\u8be5 USB \u63a5\u53e3\u5728\u672a\u5177\u5907\u6709\u6548\u8702\u7a9d\u7f51\u7edc\u8fde\u63a5\u65f6\uff0c\u4e0d\u627f\u62c5\u5b9e\u9645\u51fa\u7f51\u529f\u80fd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u7c7b\u7ed3\u6784\u7684\u5173\u952e\u95ee\u9898\u5728\u4e8e\uff1a<br><strong>\u7cfb\u7edf\u5982\u4f55\u8bc6\u522b\u8fd9\u4e9b\u7f51\u7edc\u63a5\u53e3\uff0c\u5b83\u4eec\u4f55\u65f6\u4f1a\u53d8\u6210 UP\uff0c\u4f55\u65f6\u4f1a\u4fdd\u6301 DOWN\uff0c\u4ee5\u53ca\u540e\u7eed\u662f\u5426\u53ef\u4ee5\u628a USB \u8fde\u63a5\u4f5c\u4e3a\u5907\u7528\u94fe\u8def\u4f7f\u7528\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e8c\u3001\u5f53\u524d\u7f51\u7edc\u63a5\u53e3\u72b6\u6001\u7684\u542b\u4e49<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u8fc7 <code>ip a<\/code> \u67e5\u770b\u7cfb\u7edf\u7f51\u7edc\u63a5\u53e3\u65f6\uff0c\u53ef\u4ee5\u770b\u5230\u51e0\u7c7b\u5178\u578b\u72b6\u6001\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u56de\u73af\u63a5\u53e3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u73af\u63a5\u53e3\u7528\u4e8e\u672c\u673a\u5185\u90e8\u901a\u4fe1\uff0c\u901a\u5e38\u59cb\u7ec8\u5904\u4e8e\u53ef\u7528\u72b6\u6001\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u6709\u7ebf\u7f51\u53e3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u7269\u7406\u6709\u7ebf\u7f51\u53e3\u5373\u4f7f\u88ab\u7cfb\u7edf\u542f\u7528\uff0c\u53ea\u8981\u6ca1\u6709\u63d2\u5165\u7f51\u7ebf\uff0c\u4e5f\u4f1a\u51fa\u73b0\u5982\u4e0b\u7279\u5f81\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u903b\u8f91\u4e0a\u53ef\u80fd\u662f <code>UP<\/code><\/li>\n\n\n\n<li>\u4f46\u6ca1\u6709\u7269\u7406\u8f7d\u6ce2<\/li>\n\n\n\n<li>\u901a\u5e38\u4f1a\u663e\u793a <code>NO-CARRIER<\/code><\/li>\n\n\n\n<li>\u63a5\u53e3\u6574\u4f53\u72b6\u6001\u53ef\u80fd\u8868\u73b0\u4e3a <code>DOWN<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8bf4\u660e\uff1a<br><strong>\u7f51\u53e3\u672c\u8eab\u5b58\u5728\uff0c\u4f46\u5e95\u5c42\u94fe\u8def\u6ca1\u6709\u5efa\u7acb\u3002<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u65e0\u7ebf\u7f51\u5361<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u65e0\u7ebf\u7f51\u5361\u5df2\u7ecf\u6210\u529f\u8fde\u63a5\u5230\u65e0\u7ebf\u63a5\u5165\u70b9\u5e76\u83b7\u5f97\u5730\u5740\u540e\uff0c\u901a\u5e38\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>UP<\/code><\/li>\n\n\n\n<li><code>LOWER_UP<\/code><\/li>\n\n\n\n<li>\u5df2\u83b7\u5f97 IPv4 \u5730\u5740<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u53e3\u5df2\u7ecf\u88ab\u7cfb\u7edf\u542f\u7528<\/li>\n\n\n\n<li>\u65e0\u7ebf\u94fe\u8def\u5df2\u7ecf\u5efa\u7acb<\/li>\n\n\n\n<li>\u7f51\u7edc\u914d\u7f6e\u5df2\u7ecf\u5b8c\u6210<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. USB \u66b4\u9732\u51fa\u7684\u865a\u62df\u7f51\u5361<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u901a\u8fc7 USB \u5171\u4eab\u7f51\u7edc\u65f6\uff0cLinux \u4f1a\u5c06\u5176\u8bc6\u522b\u4e3a\u4e00\u4e2a\u989d\u5916\u7f51\u5361\uff0c\u901a\u5e38\u63a5\u53e3\u540d\u7c7b\u4f3c\u4e8e <code>enx...<\/code>\u3002<br>\u5728\u672a\u5f62\u6210\u6709\u6548\u5171\u4eab\u94fe\u8def\u65f6\uff0c\u53ef\u80fd\u4f1a\u770b\u5230\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a5\u53e3\u5b58\u5728<\/li>\n\n\n\n<li>\u4f46\u6ca1\u6709 IPv4 \u5730\u5740<\/li>\n\n\n\n<li>\u72b6\u6001\u4e3a <code>DOWN<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u8868\u793a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u786c\u4ef6\u5df2\u88ab\u8bc6\u522b<\/li>\n\n\n\n<li>\u4f46\u5b83\u5f53\u524d\u5c1a\u672a\u5f62\u6210\u4e00\u4e2a\u53ef\u7528\u7684\u7f51\u7edc\u8fde\u63a5<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e09\u3001\u4e3a\u4ec0\u4e48 USB \u63a5\u53e3\u5f53\u524d\u662f DOWN<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">USB \u66b4\u9732\u51fa\u7684\u7f51\u7edc\u63a5\u53e3\u4e4b\u6240\u4ee5\u5b58\u5728\uff0c\u662f\u56e0\u4e3a\u7cfb\u7edf\u5df2\u7ecf\u8bc6\u522b\u5230\u8be5\u8bbe\u5907\u652f\u6301\u7f51\u7edc\u5171\u4eab\u6a21\u5f0f\u3002\u4f46\u63a5\u53e3\u662f\u5426\u771f\u6b63\u53ef\u7528\uff0c\u4e0d\u53d6\u51b3\u4e8e\u201c\u662f\u5426\u63d2\u7740 USB \u7ebf\u201d\u8fd9\u4e00\u70b9\uff0c\u800c\u53d6\u51b3\u4e8e\u66f4\u5b8c\u6574\u7684\u6761\u4ef6\u94fe\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u6761\u4ef6\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8bbe\u5907\u5df2\u88ab\u7cfb\u7edf\u8bc6\u522b\u4e3a\u7f51\u7edc\u7c7b USB \u8bbe\u5907<\/li>\n\n\n\n<li>\u9a71\u52a8\u5df2\u6b63\u5e38\u52a0\u8f7d<\/li>\n\n\n\n<li>\u5bf9\u7aef\u8bbe\u5907\u5df2\u771f\u6b63\u542f\u7528 USB \u7f51\u7edc\u5171\u4eab<\/li>\n\n\n\n<li>\u5e95\u5c42\u94fe\u8def\u5df2\u5efa\u7acb<\/li>\n\n\n\n<li>\u7cfb\u7edf\u7f51\u7edc\u7ba1\u7406\u670d\u52a1\u5df2\u5c06\u63a5\u53e3\u542f\u7528\u5e76\u5c1d\u8bd5\u914d\u7f6e\u5730\u5740<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u4e0a\u8ff0\u6761\u4ef6\u4e0d\u5b8c\u6574\uff0c\u5373\u4f7f\u63a5\u53e3\u540d\u5df2\u7ecf\u51fa\u73b0\uff0c\u8be5\u63a5\u53e3\u4ecd\u53ef\u80fd\u4fdd\u6301 <code>DOWN<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u672a\u63d2\u5165\u53ef\u7528 SIM \u5361\u3001\u6216\u4fbf\u643a\u5f0f\u8bbe\u5907\u5c1a\u672a\u6210\u529f\u5efa\u7acb\u8702\u7a9d\u7f51\u7edc\u8fde\u63a5\u65f6\uff0cUSB \u63a5\u53e3\u901a\u5e38\u4e0d\u4f1a\u53d8\u6210\u771f\u6b63\u53ef\u7528\u7684\u5171\u4eab\u7f51\u7edc\u94fe\u8def\uff0c\u56e0\u6b64\u4fdd\u6301 <code>DOWN<\/code> \u662f\u6b63\u5e38\u73b0\u8c61\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u56db\u3001UP\u3001DOWN\u3001LOWER_UP\u3001NO-CARRIER \u7684\u533a\u522b<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u89e3\u8fd9\u4e9b\u72b6\u6001\uff0c\u9700\u8981\u533a\u5206\u201c\u63a5\u53e3\u662f\u5426\u88ab\u542f\u7528\u201d\u548c\u201c\u94fe\u8def\u662f\u5426\u771f\u7684\u5efa\u7acb\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <code>UP<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\uff1a<br><strong>\u63a5\u53e3\u5728\u903b\u8f91\u4e0a\u5df2\u7ecf\u88ab\u7cfb\u7edf\u542f\u7528\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u4ee5\u7406\u89e3\u4e3a\u201c\u5f00\u5173\u5df2\u7ecf\u6253\u5f00\u201d\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. <code>DOWN<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\uff1a<br><strong>\u63a5\u53e3\u5f53\u524d\u672a\u8fdb\u5165\u5de5\u4f5c\u72b6\u6001\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u662f\u672a\u88ab\u542f\u7528\uff0c\u4e5f\u53ef\u80fd\u662f\u5e95\u5c42\u94fe\u8def\u6761\u4ef6\u4e0d\u8db3\uff0c\u5bfc\u81f4\u63a5\u53e3\u672a\u5f62\u6210\u6709\u6548\u5de5\u4f5c\u72b6\u6001\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. <code>LOWER_UP<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\uff1a<br><strong>\u5e95\u5c42\u94fe\u8def\u5df2\u7ecf\u5efa\u7acb\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u4e0d\u540c\u63a5\u53e3\uff0c\u542b\u4e49\u7565\u6709\u5dee\u5f02\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5bf9\u6709\u7ebf\u7f51\u5361\u6765\u8bf4\uff0c\u901a\u5e38\u8868\u793a\u7f51\u7ebf\u8fde\u63a5\u6b63\u5e38\u3001\u5bf9\u7aef\u8bbe\u5907\u6709\u4fe1\u53f7<\/li>\n\n\n\n<li>\u5bf9\u65e0\u7ebf\u7f51\u5361\u6765\u8bf4\uff0c\u901a\u5e38\u8868\u793a\u5df2\u7ecf\u6210\u529f\u5173\u8054\u5230\u65e0\u7ebf\u63a5\u5165\u70b9<\/li>\n\n\n\n<li>\u5bf9 USB \u865a\u62df\u7f51\u5361\u6765\u8bf4\uff0c\u901a\u5e38\u8868\u793a\u5bf9\u7aef\u8bbe\u5907\u5df2\u7ecf\u771f\u6b63\u63d0\u4f9b\u4e86\u53ef\u7528\u94fe\u8def<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. <code>NO-CARRIER<\/code><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8868\u793a\uff1a<br><strong>\u7269\u7406\u5c42\u6ca1\u6709\u8f7d\u6ce2\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5178\u578b\u60c5\u51b5\u662f\u6709\u7ebf\u7f51\u53e3\u672a\u63d2\u7f51\u7ebf\u3002<br>\u63a5\u53e3\u53ef\u4ee5\u5b58\u5728\uff0c\u4e5f\u53ef\u4ee5\u88ab\u542f\u7528\uff0c\u4f46\u6ca1\u6709\u7269\u7406\u4fe1\u53f7\uff0c\u56e0\u6b64\u94fe\u8def\u5e76\u672a\u5efa\u7acb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e94\u3001\u63d2\u5165 SIM \u5361\u4e4b\u540e\u4f1a\u53d1\u751f\u4ec0\u4e48<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u540e\u7eed\u4e3a\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u63d2\u5165\u53ef\u7528 SIM \u5361\uff0c\u5e76\u4e14\u5176\u8702\u7a9d\u7f51\u7edc\u8fde\u63a5\u6210\u529f\u5efa\u7acb\uff0c\u90a3\u4e48 USB \u5171\u4eab\u63a5\u53e3\u7684\u72b6\u6001\u5c31\u53ef\u80fd\u53d1\u751f\u53d8\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u80fd\u51fa\u73b0\u7684\u53d8\u5316\u5305\u62ec\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>USB \u63a5\u53e3\u4ece <code>DOWN<\/code> \u53d8\u6210 <code>UP<\/code><\/li>\n\n\n\n<li>\u7cfb\u7edf\u4e3a\u8be5\u63a5\u53e3\u7533\u8bf7\u5230\u4e00\u4e2a IPv4 \u5730\u5740<\/li>\n\n\n\n<li>\u7cfb\u7edf\u8def\u7531\u8868\u4e2d\u65b0\u589e\u4e00\u6761\u9ed8\u8ba4\u8def\u7531<\/li>\n\n\n\n<li>\u6811\u8393\u6d3e\u5f62\u6210\u201c\u53cc\u51fa\u53e3\u201d\u7ed3\u6784<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u65f6\u7cfb\u7edf\u53ef\u80fd\u540c\u65f6\u62e5\u6709\u4e24\u6761\u51fa\u7f51\u8def\u5f84\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4e00\u6761\u6765\u81ea\u672c\u673a\u65e0\u7ebf\u7f51\u5361<\/li>\n\n\n\n<li>\u4e00\u6761\u6765\u81ea USB \u5171\u4eab\u51fa\u6765\u7684\u8702\u7a9d\u7f51\u7edc\u63a5\u53e3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5e76\u4e0d\u610f\u5473\u7740\u7cfb\u7edf\u4e00\u5b9a\u4f1a\u7acb\u523b\u6539\u7528 USB \u51fa\u7f51\uff0c\u800c\u662f\u610f\u5473\u7740\u5b83\u5177\u5907\u4e86\u7b2c\u4e8c\u6761\u5019\u9009\u94fe\u8def\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516d\u3001\u4e3a\u4ec0\u4e48\u63d2\u5165 SIM \u5361\u540e\u63a5\u53e3\u53ef\u80fd\u4f1a\u53d8\u6210 UP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u9700\u8981\u6ce8\u610f\u7684\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u4e0d\u662f SIM \u5361\u76f4\u63a5\u63a7\u5236 Linux \u4e2d\u67d0\u4e2a\u63a5\u53e3\u7684 UP\/DOWN\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u66f4\u51c6\u786e\u7684\u8fc7\u7a0b\u662f\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u63d2\u5165 SIM \u5361<\/li>\n\n\n\n<li>\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u8bc6\u522b\u5230\u5361\u5e76\u5c1d\u8bd5\u6ce8\u518c\u8fd0\u8425\u5546\u7f51\u7edc<\/li>\n\n\n\n<li>\u8bbe\u5907\u6210\u529f\u5efa\u7acb\u79fb\u52a8\u6570\u636e\u8fde\u63a5<\/li>\n\n\n\n<li>\u8bbe\u5907\u5f00\u59cb\u901a\u8fc7 USB \u63d0\u4f9b\u5171\u4eab\u7f51\u7edc<\/li>\n\n\n\n<li>Linux \u68c0\u6d4b\u5230\u8be5 USB \u63a5\u53e3\u5df2\u5177\u5907\u6709\u6548\u94fe\u8def<\/li>\n\n\n\n<li>\u7f51\u7edc\u7ba1\u7406\u670d\u52a1\u4e3a\u5176\u542f\u7528\u63a5\u53e3\u5e76\u5c1d\u8bd5\u83b7\u53d6\u5730\u5740<\/li>\n\n\n\n<li>\u63a5\u53e3\u6700\u7ec8\u53d8\u6210 <code>UP<\/code><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cSIM \u5361\u53ea\u662f\u6574\u4e2a\u94fe\u8def\u6210\u7acb\u7684\u5173\u952e\u524d\u63d0\u4e4b\u4e00\uff0c\u800c\u4e0d\u662f\u552f\u4e00\u51b3\u5b9a\u56e0\u7d20\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u51fa\u73b0\u4ee5\u4e0b\u4efb\u4e00\u60c5\u51b5\uff0c\u63a5\u53e3\u4e5f\u53ef\u80fd\u4ecd\u7136\u4e0d\u53ef\u7528\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SIM \u5361\u672a\u6fc0\u6d3b<\/li>\n\n\n\n<li>APN \u914d\u7f6e\u4e0d\u6b63\u786e<\/li>\n\n\n\n<li>\u79fb\u52a8\u4fe1\u53f7\u4e0d\u53ef\u7528<\/li>\n\n\n\n<li>\u8bbe\u5907\u672a\u771f\u6b63\u542f\u7528 USB tethering<\/li>\n\n\n\n<li>DHCP \u5206\u914d\u5931\u8d25<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e03\u3001\u4e3b\u94fe\u8def\u4e0e\u5907\u7528\u94fe\u8def\u7684\u8bbe\u8ba1\u601d\u8def<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u8fd9\u79cd\u573a\u666f\u4e0b\uff0c\u4e00\u4e2a\u975e\u5e38\u5b9e\u7528\u7684\u601d\u8def\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u4e3b\u94fe\u8def\uff1a\u5bb6\u5ead\u65e0\u7ebf\u7f51\u7edc<\/strong><\/li>\n\n\n\n<li><strong>\u5907\u7528\u94fe\u8def\uff1aUSB \u5171\u4eab\u7684\u8702\u7a9d\u7f51\u7edc<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5e73\u65f6\u4f18\u5148\u8d70\u5bb6\u5ead\u7f51\u7edc<\/li>\n\n\n\n<li>\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u4f5c\u4e3a\u5907\u7528\u51fa\u53e3\u5f85\u547d<\/li>\n\n\n\n<li>\u5f53\u4e3b\u94fe\u8def\u5931\u6548\u65f6\uff0c\u5907\u7528\u94fe\u8def\u6709\u673a\u4f1a\u627f\u62c5\u8fde\u63a5\u4efb\u52a1<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u7ed3\u6784\u9002\u5408\u4f4e\u5e26\u5bbd\u3001\u5f3a\u8c03\u5728\u7ebf\u53ef\u8fbe\u6027\u7684\u7528\u9014\uff0c\u4f8b\u5982\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>SSH \u8fdc\u7a0b\u7ef4\u62a4<\/li>\n\n\n\n<li>\u53cd\u5411\u8fde\u63a5<\/li>\n\n\n\n<li>\u8f7b\u91cf\u7ea7\u5728\u7ebf\u670d\u52a1\u4fdd\u6d3b<\/li>\n\n\n\n<li>\u57fa\u7840\u7cfb\u7edf\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u573a\u666f\u5e76\u4e0d\u8ffd\u6c42\u9ad8\u901f\u541e\u5410\uff0c\u800c\u66f4\u91cd\u89c6\u201c\u65ad\u4e3b\u94fe\u8def\u540e\u4ecd\u6709\u4fdd\u5e95\u8fde\u63a5\u201d\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u516b\u3001\u8def\u7531\u4f18\u5148\u7ea7\u4e0e metric \u7684\u4f5c\u7528<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u7cfb\u7edf\u4e2d\u540c\u65f6\u5b58\u5728\u591a\u6761\u9ed8\u8ba4\u8def\u7531\uff0c\u90a3\u4e48\u6700\u7ec8\u4f18\u5148\u8d70\u54ea\u6761\u94fe\u8def\uff0c\u901a\u5e38\u8981\u770b\u8def\u7531\u7684\u4f18\u5148\u7ea7\uff0c\u4e5f\u5c31\u662f <code>metric<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5178\u578b\u903b\u8f91<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>metric<\/code> \u8d8a\u5c0f\uff0c\u4f18\u5148\u7ea7\u901a\u5e38\u8d8a\u9ad8<\/li>\n\n\n\n<li><code>metric<\/code> \u8d8a\u5927\uff0c\u8d8a\u503e\u5411\u4f5c\u4e3a\u540e\u5907\u8def\u5f84<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0c\u5982\u679c\u5df2\u5c06\u65e0\u7ebf\u7f51\u5361\u7684 <code>metric<\/code> \u8bbe\u7f6e\u4e3a\u8f83\u4f4e\u503c\uff0c\u4f8b\u5982 50\uff0c\u90a3\u4e48\u5373\u4f7f USB \u8702\u7a9d\u5171\u4eab\u63a5\u53e3\u5728\u672a\u6765\u4e5f\u83b7\u5f97\u4e86\u9ed8\u8ba4\u8def\u7531\uff0c\u53ea\u8981\u5b83\u7684 <code>metric<\/code> \u66f4\u9ad8\uff0c\u7cfb\u7edf\u4e00\u822c\u4ecd\u4f1a\u4f18\u5148\u8d70\u65e0\u7ebf\u7f51\u7edc\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7406\u60f3\u72b6\u6001\u901a\u5e38\u7c7b\u4f3c\u4e8e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u65e0\u7ebf\u7f51\u7edc\uff1a\u4e3b\u8def\u7531\uff0c\u4f4e metric<\/li>\n\n\n\n<li>USB \u5171\u4eab\u7f51\u7edc\uff1a\u5907\u7528\u8def\u7531\uff0c\u9ad8 metric<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u6837\u5c31\u80fd\u5f62\u6210\u6bd4\u8f83\u6e05\u6670\u7684\u4e3b\u5907\u5173\u7cfb\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e5d\u3001\u4ec0\u4e48\u53eb\u201cUSB \u63a5\u53e3\u4f5c\u4e3a\u5907\u7528\u8fde\u63a5\u201d<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u9700\u8981\u660e\u786e\u4e00\u70b9\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6240\u8c13\u201c\u4f5c\u4e3a\u5907\u7528\u8fde\u63a5\u201d\uff0c\u5e76\u4e0d\u662f\u6307\u6811\u8393\u6d3e\u677f\u8f7d\u7684\u7269\u7406 <code>eth0<\/code> \u81ea\u52a8\u53d8\u6210\u5907\u7528\u7f51\u53e3\u3002<br>\u771f\u6b63\u4f5c\u4e3a\u5907\u7528\u94fe\u8def\u7684\uff0c\u662f\u4fbf\u643a\u5f0f\u7f51\u7edc\u8bbe\u5907\u901a\u8fc7 USB \u66b4\u9732\u51fa\u6765\u7684\u90a3\u4e2a <strong>\u865a\u62df\u7f51\u5361\u63a5\u53e3<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u5907\u7528\u94fe\u8def\u7684\u5bf9\u8c61\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>enx...<\/code> \u8fd9\u7c7b USB \u7f51\u7edc\u63a5\u53e3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u800c\u4e0d\u662f\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u677f\u8f7d\u7269\u7406\u6709\u7ebf\u53e3<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u533a\u522b\u5728\u6392\u969c\u65f6\u975e\u5e38\u91cd\u8981\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u3001\u8fd9\u79cd\u7ed3\u6784\u7684\u5b9e\u9645\u610f\u4e49<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u7ed3\u6784\u6700\u5927\u7684\u4f18\u70b9\u5728\u4e8e\uff1a<br><strong>\u5b83\u4e0d\u8981\u6c42\u4eba\u4e3a\u9891\u7e41\u5207\u6362\u7f51\u7edc\uff0c\u5374\u53ef\u4ee5\u5728\u7cfb\u7edf\u5c42\u9762\u4fdd\u7559\u7b2c\u4e8c\u6761\u53ef\u7528\u51fa\u53e3\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u9645\u610f\u4e49\u4e3b\u8981\u6709\u4e09\u70b9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u4e3b\u7528\u94fe\u8def\u4fdd\u6301\u4e0d\u53d8<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bb6\u5ead\u65e0\u7ebf\u7f51\u7edc\u4ecd\u7136\u662f\u6700\u4e3b\u8981\u7684\u51fa\u7f51\u65b9\u5f0f\uff0c\u901f\u5ea6\u3001\u5ef6\u8fdf\u548c\u7a33\u5b9a\u6027\u901a\u5e38\u66f4\u53ef\u63a7\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u5907\u7528\u94fe\u8def\u957f\u671f\u5f85\u547d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fbf\u643a\u5f0f\u8bbe\u5907\u63d2\u5361\u5e76\u542f\u7528\u540e\uff0cUSB \u63a5\u53e3\u53ef\u4ee5\u4f5c\u4e3a\u7b2c\u4e8c\u6761\u8def\u7531\u5b58\u5728\uff0c\u4e0d\u5f71\u54cd\u4e3b\u94fe\u8def\u7684\u65e5\u5e38\u4f7f\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u4e3b\u94fe\u8def\u5f02\u5e38\u65f6\u6709\u5bb9\u9519\u80fd\u529b<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u65e6\u4e3b\u94fe\u8def\u5931\u6548\uff0c\u7cfb\u7edf\u5b58\u5728\u5207\u6362\u5230\u5907\u7528\u8def\u7531\u7684\u53ef\u80fd\u6027\uff0c\u4ece\u800c\u63d0\u9ad8\u6574\u4f53\u5728\u7ebf\u6027\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h2 class=\"wp-block-heading\">\u5341\u4e00\u3001\u540e\u7eed\u9a8c\u8bc1\u65b9\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u672a\u6765\u4e3a\u4fbf\u643a\u5f0f\u8bbe\u5907\u63d2\u5165 SIM \u5361\u540e\uff0c\u5e0c\u671b\u9a8c\u8bc1\u5176\u662f\u5426\u771f\u6b63\u6210\u4e3a\u53ef\u7528\u5907\u7528\u94fe\u8def\uff0c\u53ef\u4ee5\u91cd\u70b9\u68c0\u67e5\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u63a5\u53e3\u72b6\u6001<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u89c2\u5bdf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>USB \u63a5\u53e3\u662f\u5426\u4ece <code>DOWN<\/code> \u53d8\u6210 <code>UP<\/code><\/li>\n\n\n\n<li>\u662f\u5426\u83b7\u5f97 IPv4 \u5730\u5740<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u8def\u7531<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u91cd\u70b9\u89c2\u5bdf\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u662f\u5426\u65b0\u589e\u4e86 USB \u63a5\u53e3\u5bf9\u5e94\u7684\u9ed8\u8ba4\u8def\u7531<\/li>\n\n\n\n<li>\u4e3b\u94fe\u8def\u548c\u5907\u7528\u94fe\u8def\u5404\u81ea\u7684 <code>metric<\/code> \u662f\u591a\u5c11<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u94fe\u8def\u8be6\u60c5<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip link show<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u8fdb\u4e00\u6b65\u786e\u8ba4\u63a5\u53e3\u662f\u5426\u5904\u4e8e\u903b\u8f91\u542f\u7528\u72b6\u6001\uff0c\u4ee5\u53ca\u5e95\u5c42\u94fe\u8def\u662f\u5426\u5df2\u7ecf\u5efa\u7acb\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u7cfb\u7edf\u65e5\u5fd7<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">journalctl -b<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53ef\u7ed3\u5408\u5173\u952e\u5b57\u8fdb\u4e00\u6b65\u5206\u6790 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