{"id":5505,"date":"2026-03-16T22:18:26","date_gmt":"2026-03-16T13:18:26","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=5505"},"modified":"2026-03-17T19:47:52","modified_gmt":"2026-03-17T10:47:52","slug":"o5uvo9b02zcj7er","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2026\/03\/16\/o5uvo9b02zcj7er\/","title":{"rendered":"\u6811\u8393\u6d3e\u591a\u7f51\u5361\u73af\u5883\u4e0b USB \u4ee5\u592a\u7f51\u65e0\u6cd5\u81ea\u52a8\u83b7\u53d6 IP \u7684\u6392\u67e5\u4e0e\u4fee\u590d"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u4e00\u3001\u95ee\u9898\u80cc\u666f\u4e0e\u76ee\u6807<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u4e00\u4e2a\u591a\u7f51\u5361\u73af\u5883\u7684\u6811\u8393\u6d3e\u7cfb\u7edf\u4e2d\uff0c\u5b58\u5728\u5982\u4e0b\u7f51\u7edc\u63a5\u53e3\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u63a5\u53e3<\/th><th>\u7c7b\u578b<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>lo<\/code><\/td><td>\u56de\u73af\u63a5\u53e3<\/td><td>\u7cfb\u7edf\u5185\u90e8\u901a\u4fe1<\/td><\/tr><tr><td><code>eth0<\/code><\/td><td>\u677f\u8f7d\u6709\u7ebf\u7f51\u5361<\/td><td>\u5e38\u6001\u4e0d\u63d2\u7f51\u7ebf<\/td><\/tr><tr><td><code>enxUSB0<\/code><\/td><td>USB \u4ee5\u592a\u7f51\u9002\u914d\u5668<\/td><td>\u671f\u671b\u4f5c\u4e3a\u4e3b\u8981\u8054\u7f51\u65b9\u5f0f<\/td><\/tr><tr><td><code>wlan0<\/code><\/td><td>\u65e0\u7ebf\u7f51\u5361<\/td><td>\u5076\u5c14\u624b\u52a8\u8fde\u63a5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u51fa\u73b0\u7684\u4e3b\u8981\u73b0\u8c61\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><code>enxUSB0<\/code> \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b <strong>\u4e0d\u81ea\u52a8 UP<\/strong><\/li>\n\n\n\n<li><code>enxUSB0<\/code> <strong>\u4e0d\u81ea\u52a8\u83b7\u53d6 IPv4 \u5730\u5740<\/strong><\/li>\n\n\n\n<li>\u7cfb\u7edf\u91cd\u542f\u540e <code>enxUSB0<\/code> \u7ecf\u5e38\u5904\u4e8e <strong>DOWN \u72b6\u6001<\/strong><\/li>\n\n\n\n<li>\u7531\u4e8e <code>eth0<\/code> \u4e0d\u63d2\u7f51\u7ebf\u3001<code>wlan0<\/code> \u4e0d\u81ea\u52a8\u8fde\u63a5\uff0c\u5bfc\u81f4 <strong>\u7cfb\u7edf\u65e0\u7f51\u7edc<\/strong><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u76ee\u6807\u72b6\u6001\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u91cd\u542f\u540e\uff0c\u53ea\u8981\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>USB \u7f51\u5361\u5b58\u5728<\/li>\n\n\n\n<li>\u7f51\u7ebf\u8fde\u63a5\u6b63\u5e38<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u5c31\u5e94\u8be5\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u52a8\u542f\u7528 <code>enxUSB0<\/code><\/li>\n\n\n\n<li>\u81ea\u52a8\u901a\u8fc7 DHCP \u83b7\u53d6 IPv4 \u5730\u5740<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u540c\u65f6\u9700\u8981\u5b9e\u73b0\u591a\u7f51\u5361\u8def\u7531\u4f18\u5148\u7ea7\u7b56\u7565\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">wlan0\uff08\u624b\u52a8\u8fde\u63a5\u65f6\u4f18\u5148\uff09<br>\u2193<br>USB \u4ee5\u592a\u7f51 enxUSB0<br>\u2193<br>eth0<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e8c\u3001\u786e\u8ba4\u63a5\u53e3\u72b6\u6001\u4e0e\u95ee\u9898\u590d\u73b0<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u67e5\u770b\u7cfb\u7edf\u8bc6\u522b\u5230\u7684\u7f51\u7edc\u63a5\u53e3\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u65f6\u89c2\u5bdf\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">eth0            \u5df2\u83b7\u53d6 IPv4\uff08192.168.x.x\uff09<br>enxUSB0         DOWN<br>wlan0           \u672a\u8fde\u63a5<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fdb\u4e00\u6b65\u53ea\u67e5\u770b USB \u7f51\u5361\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip link show enxUSB0<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e09\u3001\u533a\u5206\u94fe\u8def\u95ee\u9898\u8fd8\u662f DHCP \u95ee\u9898<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u7f51\u7edc\u6392\u67e5\u4e2d\uff0c<strong>\u7b2c\u4e00\u6b65\u5fc5\u987b\u5224\u65ad\u7269\u7406\u94fe\u8def\u662f\u5426\u5efa\u7acb<\/strong>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f7f\u7528 <code>ethtool<\/code> \u68c0\u67e5\u94fe\u8def\u72b6\u6001\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ethtool enxUSB0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u65e9\u671f\u8f93\u51fa\u4e2d\u51fa\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Link detected: no<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u6b65\u610f\u5473\u7740\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u4f7f DHCP \u5ba2\u6237\u7aef\u5de5\u4f5c\u6b63\u5e38\uff0c\u4e5f\u4e0d\u4f1a\u83b7\u5f97 IPv4 \u5730\u5740\uff0c\u56e0\u4e3a\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u94fe\u8def\u672a\u5efa\u7acb<\/li>\n\n\n\n<li>DHCP \u8bf7\u6c42\u4e0d\u4f1a\u53d1\u9001<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u94fe\u8def\u672a\u5efa\u7acb\u53ef\u80fd\u539f\u56e0\u5305\u62ec\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7f51\u7ebf\u95ee\u9898<\/li>\n\n\n\n<li>\u4ea4\u6362\u673a\u7aef\u53e3\u95ee\u9898<\/li>\n\n\n\n<li>USB \u7f51\u5361\u4f9b\u7535\u4e0d\u8db3<\/li>\n\n\n\n<li>\u9a71\u52a8\u672a\u52a0\u8f7d<\/li>\n\n\n\n<li>\u63a5\u53e3\u672a UP<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u56db\u3001\u624b\u52a8\u542f\u7528\u63a5\u53e3\u5e76\u91cd\u65b0\u786e\u8ba4\u94fe\u8def<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u5c06\u63a5\u53e3\u8bbe\u7f6e\u4e3a UP\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip link set enxUSB0 up<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\u518d\u6b21\u68c0\u67e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip link show enxUSB0<br>ethtool enxUSB0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6\u51fa\u73b0\u5173\u952e\u53d8\u5316\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Link detected: yes<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7269\u7406\u94fe\u8def\u5df2\u7ecf\u5efa\u7acb<\/li>\n\n\n\n<li>\u53ef\u4ee5\u7ee7\u7eed\u8fdb\u884c DHCP \u83b7\u53d6\u5730\u5740<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e94\u3001\u624b\u52a8\u89e6\u53d1 DHCP \u83b7\u53d6 IPv4<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\u68c0\u67e5\u63a5\u53e3\u5f53\u524d\u5730\u5740\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip addr show enxUSB0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u65f6\u53ea\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">fe80::xxxx<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u53ea\u6709 IPv6 link-local \u5730\u5740<\/li>\n\n\n\n<li>\u8fd8\u6ca1\u6709 IPv4<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52a8\u8fd0\u884c DHCP \u5ba2\u6237\u7aef\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">dhcpcd enxUSB0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u89c2\u5bdf\u5230\u7684\u5173\u952e\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">offered 192.168.x.x from 192.168.x.1<br>leased 192.168.x.x<br>adding default route via 192.168.x.1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u518d\u6b21\u786e\u8ba4\u63a5\u53e3\u5730\u5740\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6 <code>enxUSB0<\/code> \u51fa\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">inet 192.168.x.x\/24<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DHCP \u5de5\u4f5c\u6b63\u5e38<\/li>\n\n\n\n<li>\u7f51\u7edc\u73af\u5883\u6b63\u5e38<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u95ee\u9898\u672c\u8d28\u662f\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u5f00\u673a\u65f6\u63a5\u53e3\u6ca1\u6709\u81ea\u52a8\u542f\u7528\uff0c\u4e5f\u6ca1\u6709\u81ea\u52a8\u8fd0\u884c DHCP\u3002<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516d\u3001\u91cd\u542f\u540e\u518d\u6b21\u5931\u6548\uff1a\u5b9a\u4f4d\u5230 dhcpcd \u670d\u52a1\u672a\u542f\u7528<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u91cd\u542f\u540e\u518d\u6b21\u68c0\u67e5\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u53d1\u73b0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">enxUSB0  DOWN<br>\u65e0 IPv4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b DHCP \u670d\u52a1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl status dhcpcd<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ed3\u679c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">Unit dhcpcd.service could not be found<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u867d\u7136\u5b58\u5728 <code>dhcpcd<\/code> \u547d\u4ee4\uff0c\u4f46\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u6ca1\u6709 systemd \u670d\u52a1<\/strong><\/li>\n\n\n\n<li>\u6216\u8005 <strong>\u670d\u52a1\u672a\u542f\u7528<\/strong><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u7cfb\u7edf\u542f\u52a8\u65f6\u4e0d\u4f1a\u81ea\u52a8\u8fd0\u884c DHCP\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e03\u3001\u542f\u7528 dhcpcd \u670d\u52a1\uff08\u5173\u952e\u4fee\u590d\u6b65\u9aa4\uff09<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl enable --now dhcpcd.service<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6267\u884c\u5b8c\u6210\u540e\u518d\u6b21\u67e5\u770b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6b64\u65f6 <code>enxUSB0<\/code> <strong>\u7acb\u5373\u83b7\u5f97 IPv4 \u5730\u5740<\/strong>\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">192.168.x.x<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e00\u6b65\u5b8c\u6210\u540e\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u542f\u52a8\u65f6\u5c31\u4f1a\u81ea\u52a8\u8fd0\u884c DHCP\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u516b\u3001\u591a\u7f51\u5361\u73af\u5883\u4e0b\u7684\u9ed8\u8ba4\u8def\u7531\u95ee\u9898<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u591a\u7f51\u5361\u73af\u5883\u4e2d\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u662f\u5426\u80fd\u6b63\u5e38\u4e0a\u7f51\u4e0d\u4ec5\u53d6\u51b3\u4e8e\u63a5\u53e3\u662f\u5426\u6709 IP\uff0c\u8fd8\u53d6\u51b3\u4e8e\u9ed8\u8ba4\u8def\u7531\u3002<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u67e5\u770b\u8def\u7531\u8868\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route show<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u8f93\u51fa\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">default via 192.168.x.1 dev enxUSB0 metric 100<br>default via 192.168.x.1 dev eth0 metric 300<br>default via 192.168.x.1 dev wlan0 metric 3004<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8def\u7531\u9009\u62e9\u89c4\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">metric \u8d8a\u5c0f\u4f18\u5148\u7ea7\u8d8a\u9ad8<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u524d\u4f18\u5148\u7ea7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">enxUSB0 100<br>eth0    300<br>wlan0   3004<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u671f\u671b\u7b56\u7565\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">wlan0\uff08\u8fde\u63a5\u65f6\u4f18\u5148\uff09<br>\u2193<br>USB \u7f51\u5361<br>\u2193<br>eth0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\u9700\u8981\u8bbe\u7f6e\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">wlan0   metric 50<br>enxUSB0 metric 100<br>eth0    metric 300<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u4e5d\u3001\u4f7f\u7528 dhcpcd.conf \u56fa\u5316\u8def\u7531\u4f18\u5148\u7ea7<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5907\u4efd\u914d\u7f6e\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">cp \/etc\/dhcpcd.conf \/etc\/dhcpcd.conf.bak<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u7f16\u8f91\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">vim \/etc\/dhcpcd.conf<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u6587\u4ef6\u672b\u5c3e\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">interface wlan0<br>metric 50interface enxUSB0<br>metric 100interface eth0<br>metric 300<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4fdd\u5b58\u540e\u91cd\u542f DHCP \u670d\u52a1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl restart dhcpcd<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9a8c\u8bc1\u8def\u7531\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route show<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u6d4b\u8bd5\u5b9e\u9645\u8def\u7531\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route get 8.8.8.8<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u671f\u671b\u7ed3\u679c\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Wi-Fi \u672a\u8fde\u63a5 \u2192 \u4f7f\u7528 <code>enxUSB0<\/code><\/li>\n\n\n\n<li>Wi-Fi \u8fde\u63a5 \u2192 \u4f7f\u7528 <code>wlan0<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u3001\u589e\u5f3a USB \u7f51\u5361\u81ea\u52a8 UP\uff08\u63d0\u9ad8\u9c81\u68d2\u6027\uff09<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">USB \u7f51\u5361\u5b58\u5728\u4ee5\u4e0b\u4e0d\u786e\u5b9a\u56e0\u7d20\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u70ed\u63d2\u62d4<\/li>\n\n\n\n<li>\u9a71\u52a8\u52a0\u8f7d\u987a\u5e8f<\/li>\n\n\n\n<li>USB \u521d\u59cb\u5316\u5ef6\u8fdf<\/li>\n\n\n\n<li>\u94fe\u8def\u6296\u52a8\uff08carrier lost \/ acquired\uff09<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e3a\u4e86\u4fdd\u8bc1\u63a5\u53e3\u51fa\u73b0\u65f6\u81ea\u52a8\u542f\u7528\uff0c\u53ef\u4ee5\u589e\u52a0 <code>udev<\/code> \u89c4\u5219\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u521b\u5efa\u89c4\u5219\u6587\u4ef6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">vim \/etc\/udev\/rules.d\/90-usb-ethernet.rules<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5199\u5165\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ACTION==\"add\", SUBSYSTEM==\"net\", NAME==\"enxUSB0\", RUN+=\"\/sbin\/ip link set dev enxUSB0 up\"<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u52a0\u8f7d\u89c4\u5219\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">udevadm control --reload<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u624b\u52a8\u89e6\u53d1\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">udevadm trigger --action=add \/sys\/class\/net\/enxUSB0 || true<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8be5\u89c4\u5219\u4f5c\u7528\uff1a<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u7cfb\u7edf\u68c0\u6d4b\u5230 USB \u7f51\u5361\u51fa\u73b0\u65f6\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u81ea\u52a8\u6267\u884c<br>ip link set dev enxUSB0 up<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ece\u800c\u907f\u514d\u63a5\u53e3\u4fdd\u6301 DOWN\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e00\u3001dhcpcd \u65e5\u5fd7\u4e2d\u7684\u8b66\u544a\u8bf4\u660e<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u67e5\u770b\u65e5\u5fd7\u65f6\u53ef\u80fd\u51fa\u73b0\u5982\u4e0b\u4fe1\u606f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">journalctl -u dhcpcd -b --no-pager -n 100<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u793a\u4f8b\u65e5\u5fd7\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">ps_bpf_recvmsg: Invalid argument<br>ps_bpf_recvbpf: unexpected event 0x0100<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u540c\u65f6\u53ef\u4ee5\u770b\u5230\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">leased 192.168.x.x<br>adding default route<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf4\u660e\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>DHCP \u5b9e\u9645\u4e0a\u5df2\u7ecf\u6210\u529f<\/li>\n\n\n\n<li>\u8fd9\u4e9b\u65e5\u5fd7\u5c5e\u4e8e\u6293\u5305\u63a5\u53e3\u76f8\u5173\u8b66\u544a<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u901a\u5e38\u662f\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">dhcpcd \u4e0e\u5185\u6838\u7f51\u7edc\u63a5\u53e3\u80fd\u529b\u4e4b\u95f4\u7684\u517c\u5bb9\u6027\u63d0\u793a<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5f71\u54cd\u5b9e\u9645\u7f51\u7edc\u529f\u80fd\uff0c\u53ef\u4ee5\u5ffd\u7565\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u82e5\u9700\u8981\u5f7b\u5e95\u6d88\u9664\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5347\u7ea7\u5185\u6838<\/li>\n\n\n\n<li>\u5347\u7ea7 dhcpcd<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5373\u53ef\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e8c\u3001\u6700\u7ec8\u68c0\u67e5\u6e05\u5355<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u91cd\u542f\u540e\uff0c\u53ef\u4ee5\u6267\u884c\u4ee5\u4e0b\u68c0\u67e5\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u68c0\u67e5\u63a5\u53e3 IPv4<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a show enxUSB0<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b\u9ed8\u8ba4\u8def\u7531<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route show<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u68c0\u67e5\u5b9e\u9645\u8def\u7531<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">ip route get 8.8.8.8<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b DHCP \u670d\u52a1<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">systemctl status dhcpcd -l<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u67e5\u770b DHCP \u65e5\u5fd7<\/h3>\n\n\n\n<pre class=\"wp-block-preformatted\">journalctl -u dhcpcd -b --no-pager -n 200<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u5341\u4e09\u3001\u6700\u7ec8\u7ed3\u679c<\/h1>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b8c\u6210\u5168\u90e8\u914d\u7f6e\u540e\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u7cfb\u7edf\u542f\u52a8\u65f6<br><code>dhcpcd.service<\/code> \u81ea\u52a8\u8fd0\u884c<\/li>\n\n\n\n<li>USB \u7f51\u5361\u81ea\u52a8\u83b7\u53d6 DHCP \u5730\u5740<\/li>\n\n\n\n<li>\u9ed8\u8ba4\u8def\u7531\u7b56\u7565\u7a33\u5b9a\uff1a<\/li>\n<\/ol>\n\n\n\n<pre class=\"wp-block-preformatted\">wlan0\uff08\u8fde\u63a5\u65f6\u4f18\u5148\uff09<br>\u2193<br>enxUSB0<br>\u2193<br>eth0<\/pre>\n\n\n\n<ol start=\"4\" class=\"wp-block-list\">\n<li>\u901a\u8fc7 <code>udev<\/code> \u89c4\u5219\u589e\u5f3a\u4e86 USB \u7f51\u5361\u81ea\u52a8\u542f\u7528\u80fd\u529b<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u7cfb\u7edf\u7f51\u7edc\u884c\u4e3a\u53d8\u5f97\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-preformatted\">\u7a33\u5b9a<br>\u53ef\u9884\u6d4b<br>\u81ea\u52a8\u6062\u590d<\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<h1 class=\"wp-block-heading\">\u9644\u5f55\uff1a\u672c\u6587\u6d89\u53ca\u7684\u5168\u90e8\u547d\u4ee4<\/h1>\n\n\n\n<pre class=\"wp-block-preformatted\">ip a<br>ip link show enxUSB0<br>ethtool enxUSB0<br>ip link set enxUSB0 up<br>ip addr show enxUSB0<br>dhcpcd enxUSB0<br>systemctl status dhcpcd<br>systemctl enable --now dhcpcd.service<br>ip route show<br>ip route get 8.8.8.8<br>cp \/etc\/dhcpcd.conf \/etc\/dhcpcd.conf.bak<br>vim \/etc\/dhcpcd.conf<br>systemctl restart dhcpcd<br>vim \/etc\/udev\/rules.d\/90-usb-ethernet.rules<br>udevadm control --reload<br>udevadm trigger --action=add \/sys\/class\/net\/enxUSB0 || truejournalctl -u dhcpcd -b --no-pager -n 200<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u95ee\u9898\u80cc\u666f\u4e0e\u76ee\u6807 \u5728\u4e00\u4e2a\u591a\u7f51\u5361\u73af\u5883\u7684\u6811\u8393\u6d3e\u7cfb\u7edf\u4e2d\uff0c\u5b58\u5728\u5982\u4e0b\u7f51\u7edc\u63a5\u53e3\uff1a \u63a5\u53e3 \u7c7b\u578b \u8bf4\u660e lo \u56de\u73af\u63a5\u53e3 \u7cfb\u7edf\u5185\u90e8\u901a\u4fe1 eth0 \u677f\u8f7d\u6709\u7ebf\u7f51\u5361 \u5e38\u6001\u4e0d\u63d2\u7f51\u7ebf enxUSB0 USB \u4ee5\u592a\u7f51\u9002\u914d\u5668 \u671f\u671b\u4f5c\u4e3a\u4e3b\u8981\u8054\u7f51\u65b9\u5f0f wlan0 \u65e0\u7ebf\u7f51\u5361 \u5076\u5c14\u624b\u52a8\u8fde\u63a5 \u7cfb\u7edf\u51fa\u73b0\u7684\u4e3b\u8981\u73b0\u8c61\uff1a \u76ee\u6807\u72b6\u6001\uff1a \u7cfb\u7edf\u91cd\u542f\u540e\uff0c\u53ea\u8981\uff1a \u7cfb\u7edf\u5c31\u5e94\u8be5\uff1a \u540c\u65f6\u9700\u8981\u5b9e\u73b0\u591a\u7f51\u5361\u8def\u7531\u4f18\u5148\u7ea7\u7b56\u7565\uff1a wlan0\uff08\u624b\u52a8\u8fde\u63a5\u65f6\u4f18\u5148\uff09\u2193USB \u4ee5\u592a\u7f51 enxUSB0\u2193eth0 \u4e8c\u3001\u786e\u8ba4\u63a5\u53e3\u72b6\u6001\u4e0e\u95ee\u9898\u590d\u73b0 \u9996\u5148\u67e5\u770b\u7cfb\u7edf\u8bc6\u522b\u5230\u7684\u7f51\u7edc\u63a5\u53e3\uff1a ip a \u5f53\u65f6\u89c2\u5bdf\u5230\uff1a eth0 \u5df2\u83b7\u53d6 IPv4\uff08192.168.x.x\uff09enxUSB0 DOWNwlan0 \u672a\u8fde\u63a5 \u8fdb\u4e00\u6b65\u53ea\u67e5\u770b USB \u7f51\u5361\uff1a ip link show enxUSB0 \u4e09\u3001\u533a\u5206\u94fe\u8def\u95ee\u9898\u8fd8\u662f DHCP \u95ee\u9898 \u5728\u7f51\u7edc\u6392\u67e5\u4e2d\uff0c\u7b2c\u4e00\u6b65\u5fc5\u987b\u5224\u65ad\u7269\u7406\u94fe\u8def\u662f\u5426\u5efa\u7acb\u3002 \u4f7f\u7528 ethtool \u68c0\u67e5\u94fe\u8def\u72b6\u6001\uff1a &hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[29],"tags":[],"class_list":["post-5505","post","type-post","status-publish","format-standard","hentry","category-vuwvtm6m4vkbg"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5505","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/comments?post=5505"}],"version-history":[{"count":2,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5505\/revisions"}],"predecessor-version":[{"id":5507,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/5505\/revisions\/5507"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=5505"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=5505"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=5505"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}