{"id":4833,"date":"2025-08-06T09:53:53","date_gmt":"2025-08-06T00:53:53","guid":{"rendered":"https:\/\/eternalsphere.net\/echoes\/?p=4833"},"modified":"2026-06-06T09:57:48","modified_gmt":"2026-06-06T00:57:48","slug":"ulrxpogu2gc8e5g","status":"publish","type":"post","link":"https:\/\/eternalsphere.net\/echoes\/index.php\/2025\/08\/06\/ulrxpogu2gc8e5g\/","title":{"rendered":"USB\u65e0\u7ebf\u7f51\u5361\u5728Linux\u4e0b\u7684\u591a\u63a5\u53e3\u73b0\u8c61\u4e0e\u8fde\u63a5\u72b6\u6001\u89c2\u5bdf"},"content":{"rendered":"\n

\u5728Linux\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7eff\u8054AX900\u8fd9\u7c7b\u57fa\u4e8eRealtek rtl8851bu\u82af\u7247\u7684USB\u65e0\u7ebf\u7f51\u5361\u65f6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u751f\u6210\u591a\u4e2a\u65e0\u7ebf\u63a5\u53e3\uff0c\u5982ap0<\/code>\u548cwlan1<\/code>\u3002\u8fd9\u4e9b\u63a5\u53e3\u8868\u9762\u4e0a\u547d\u540d\u4e0d\u540c\uff0c\u4f46\u5b9e\u9645\u90fd\u6765\u81ea\u540c\u4e00\u4e2a\u7269\u7406\u8bbe\u5907\uff0c\u5177\u5907\u76f8\u540c\u7684\u8fde\u63a5\u80fd\u529b\u3002<\/p>\n\n\n\n

\u63a5\u53e3\u5206\u6790<\/h3>\n\n\n\n

\u901a\u8fc7\u547d\u4ee4 iw dev<\/code> \u53ef\u89c2\u5bdf\u5230\uff1a<\/p>\n\n\n\n

    \n
  • ap0<\/code> \u63a5\u53e3\u5904\u4e8e managed<\/code> \u6a21\u5f0f\uff08\u5373\u666e\u901aSTA\u6a21\u5f0f\uff09\uff0c\u5e76\u5df2\u8fde\u63a5\u81f3Wi-Fi\u7f51\u7edc\u3002<\/li>\n\n\n\n
  • wlan1<\/code> \u63a5\u53e3\u4e5f\u5904\u4e8e managed<\/code> \u6a21\u5f0f\uff0c\u4f46\u672a\u8fde\u63a5\u3002<\/li>\n\n\n\n
  • \u4e24\u8005\u90fd\u5de5\u4f5c\u57285GHz\u9891\u6bb5\uff08channel 36, 5180 MHz\uff09\uff0c\u90fd\u652f\u630180MHz\u4fe1\u9053\u5bbd\u5ea6\u3002<\/li>\n<\/ul>\n\n\n\n

    \u8fdb\u4e00\u6b65\u901a\u8fc7\u547d\u4ee4 ls \/sys\/class\/net\/{ap0,wlan1}\/device<\/code> \u53d1\u73b0\uff0c\u4e24\u8005\u7684\u786c\u4ef6\u8def\u5f84\u5b8c\u5168\u4e00\u81f4\uff0c\u786e\u8ba4\u5b83\u4eec\u90fd\u5c5e\u4e8e\u540c\u4e00\u5757USB\u7f51\u5361\u3002<\/p>\n\n\n\n

    \u9a71\u52a8\u4fe1\u606f<\/h3>\n\n\n\n

    \u7f51\u5361\u4f7f\u7528\u7684\u9a71\u52a8\u4e3a rtl8851bu<\/code>\uff0c\u7248\u672c\u4e3a v1.19.10-78-gfbe3fba11.20240422<\/code>\uff0c\u4e3aRealtek\u793e\u533a\u53d1\u5e03\u7684\u9a71\u52a8\uff0c\u652f\u6301\u521b\u5efa\u591a\u4e2aSTA\u63a5\u53e3\u3002<\/p>\n\n\n\n

    \u5f53\u524d\u8fde\u63a5\u72b6\u6001<\/h3>\n\n\n\n

    \u901a\u8fc7 iw dev ap0 link<\/code> \u53ef\u83b7\u5f97\u5f53\u524d\u8fde\u63a5\u8be6\u7ec6\u4fe1\u606f\uff1a<\/p>\n\n\n\n

      \n
    • SSID\uff1a\u8fde\u63a5\u81f3\u540d\u4e3a aterm-aeadaf-a<\/code> \u76845GHz\u7f51\u7edc\u3002<\/li>\n\n\n\n
    • \u4fe1\u53f7\u5f3a\u5ea6\uff1a-38 dBm<\/code>\uff0c\u5c5e\u4e8e\u6781\u4f18\u8303\u56f4\u3002<\/li>\n\n\n\n
    • \u4e0a\u4e0b\u884c\u901f\u7387\u5747\u4e3a 433.3 Mbit\/s<\/code>\uff0c\u4f7f\u7528 VHT-MCS 9\u300180MHz \u5e26\u5bbd\u3001Short GI\uff0c\u4ee5\u53ca1\u6761\u7a7a\u95f4\u6d41\uff08NSS=1\uff09\u3002<\/li>\n<\/ul>\n\n\n\n

      \u6570\u636e\u91cf\u65b9\u9762\uff0c\u5df2\u63a5\u6536237MB\u4ee5\u4e0a\uff0c\u53d1\u9001202MB\u4ee5\u4e0a\uff0c\u6570\u636e\u5305\u4f20\u8f93\u7a33\u5b9a\uff0c\u8fde\u63a5\u8d28\u91cf\u826f\u597d\u3002<\/p>\n\n\n\n

      \u603b\u7ed3<\/h3>\n\n\n\n

      \u51fa\u73b0 ap0<\/code> \u548c wlan1<\/code> \u4e24\u4e2a\u63a5\u53e3\u7684\u73b0\u8c61\u6e90\u4e8e\u9a71\u52a8\u5bf9\u591aSTA\u865a\u62df\u63a5\u53e3\u7684\u652f\u6301\u3002\u867d\u7136 ap0<\/code> \u7684\u547d\u540d\u901a\u5e38\u4e0eAP\u6a21\u5f0f\u6709\u5173\uff0c\u4f46\u5728\u6b64\u573a\u666f\u4e2d\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u666e\u901aSTA\u63a5\u53e3\u3002<\/p>\n\n\n\n

      \u7cfb\u7edf\u6574\u4f53\u8fde\u63a5\u8868\u73b0\u7a33\u5b9a\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u6781\u4f73\uff0c\u94fe\u8def\u901f\u7387\u8fbe\u5230\u786c\u4ef6\u4e0a\u9650\uff0c\u65e0\u9700\u989d\u5916\u8c03\u6574\u3002\u5982\u6709\u8fdb\u4e00\u6b65\u9700\u6c42\uff08\u4f8b\u5982\u5f00\u542f\u70ed\u70b9\u3001\u6865\u63a5\u8fde\u63a5\u3001\u4f7f\u7528\u53cc\u94fe\u8def\uff09\uff0c\u53ef\u7ed3\u5408 NetworkManager \u6216 hostapd \u8fdb\u884c\u6269\u5c55\u914d\u7f6e\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u5728Linux\u7cfb\u7edf\u4e2d\u4f7f\u7528\u7eff\u8054AX900\u8fd9\u7c7b\u57fa\u4e8eRealtek rtl8851bu\u82af\u7247\u7684USB\u65e0\u7ebf\u7f51\u5361\u65f6\uff0c\u7cfb\u7edf\u53ef\u80fd\u4f1a\u751f\u6210\u591a\u4e2a\u65e0\u7ebf\u63a5\u53e3\uff0c\u5982ap0\u548cwlan1\u3002\u8fd9\u4e9b\u63a5\u53e3\u8868\u9762\u4e0a\u547d\u540d\u4e0d\u540c\uff0c\u4f46\u5b9e\u9645\u90fd\u6765\u81ea\u540c\u4e00\u4e2a\u7269\u7406\u8bbe\u5907\uff0c\u5177\u5907\u76f8\u540c\u7684\u8fde\u63a5\u80fd\u529b\u3002 \u63a5\u53e3\u5206\u6790 \u901a\u8fc7\u547d\u4ee4 iw dev \u53ef\u89c2\u5bdf\u5230\uff1a \u8fdb\u4e00\u6b65\u901a\u8fc7\u547d\u4ee4 ls \/sys\/class\/net\/{ap0,wlan1}\/device \u53d1\u73b0\uff0c\u4e24\u8005\u7684\u786c\u4ef6\u8def\u5f84\u5b8c\u5168\u4e00\u81f4\uff0c\u786e\u8ba4\u5b83\u4eec\u90fd\u5c5e\u4e8e\u540c\u4e00\u5757USB\u7f51\u5361\u3002 \u9a71\u52a8\u4fe1\u606f \u7f51\u5361\u4f7f\u7528\u7684\u9a71\u52a8\u4e3a rtl8851bu\uff0c\u7248\u672c\u4e3a v1.19.10-78-gfbe3fba11.20240422\uff0c\u4e3aRealtek\u793e\u533a\u53d1\u5e03\u7684\u9a71\u52a8\uff0c\u652f\u6301\u521b\u5efa\u591a\u4e2aSTA\u63a5\u53e3\u3002 \u5f53\u524d\u8fde\u63a5\u72b6\u6001 \u901a\u8fc7 iw dev ap0 link \u53ef\u83b7\u5f97\u5f53\u524d\u8fde\u63a5\u8be6\u7ec6\u4fe1\u606f\uff1a \u6570\u636e\u91cf\u65b9\u9762\uff0c\u5df2\u63a5\u6536237MB\u4ee5\u4e0a\uff0c\u53d1\u9001202MB\u4ee5\u4e0a\uff0c\u6570\u636e\u5305\u4f20\u8f93\u7a33\u5b9a\uff0c\u8fde\u63a5\u8d28\u91cf\u826f\u597d\u3002 \u603b\u7ed3 \u51fa\u73b0 ap0 \u548c wlan1 \u4e24\u4e2a\u63a5\u53e3\u7684\u73b0\u8c61\u6e90\u4e8e\u9a71\u52a8\u5bf9\u591aSTA\u865a\u62df\u63a5\u53e3\u7684\u652f\u6301\u3002\u867d\u7136 ap0 \u7684\u547d\u540d\u901a\u5e38\u4e0eAP\u6a21\u5f0f\u6709\u5173\uff0c\u4f46\u5728\u6b64\u573a\u666f\u4e2d\uff0c\u5b83\u53ea\u662f\u4e00\u4e2a\u666e\u901aSTA\u63a5\u53e3\u3002 \u7cfb\u7edf\u6574\u4f53\u8fde\u63a5\u8868\u73b0\u7a33\u5b9a\uff0c\u4fe1\u53f7\u5f3a\u5ea6\u6781\u4f73\uff0c\u94fe\u8def\u901f\u7387\u8fbe\u5230\u786c\u4ef6\u4e0a\u9650\uff0c\u65e0\u9700\u989d\u5916\u8c03\u6574\u3002\u5982\u6709\u8fdb\u4e00\u6b65\u9700\u6c42\uff08\u4f8b\u5982\u5f00\u542f\u70ed\u70b9\u3001\u6865\u63a5\u8fde\u63a5\u3001\u4f7f\u7528\u53cc\u94fe\u8def\uff09\uff0c\u53ef\u7ed3\u5408 NetworkManager \u6216 hostapd \u8fdb\u884c\u6269\u5c55\u914d\u7f6e\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[205],"tags":[],"class_list":["post-4833","post","type-post","status-publish","format-standard","hentry","category-qzjvuuz9j7iauim"],"_links":{"self":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4833","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=4833"}],"version-history":[{"count":1,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4833\/revisions"}],"predecessor-version":[{"id":4834,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/posts\/4833\/revisions\/4834"}],"wp:attachment":[{"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/media?parent=4833"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/categories?post=4833"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/eternalsphere.net\/echoes\/index.php\/wp-json\/wp\/v2\/tags?post=4833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}