{"id":4348,"date":"2026-04-22T08:54:55","date_gmt":"2026-04-22T05:54:55","guid":{"rendered":"https:\/\/demensdeum.com\/blog\/2026\/04\/22\/raspberry-pi-3-as-router\/"},"modified":"2026-04-22T09:08:22","modified_gmt":"2026-04-22T06:08:22","slug":"raspberry-pi-3-as-router","status":"publish","type":"post","link":"https:\/\/demensdeum.com\/blog\/zh\/2026\/04\/22\/raspberry-pi-3-as-router\/","title":{"rendered":"Raspberry PI 3 \u4f5c\u4e3a Wi-Fi \u8def\u7531\u5668"},"content":{"rendered":"<p>\u4e92\u8054\u7f51\u4e0a\u6709\u5f88\u591a\u5173\u4e8e\u5982\u4f55\u4ece Raspberry Pi (RPI) \u5236\u4f5c Wi-Fi \u8def\u7531\u5668\u7684\u6587\u7ae0\uff0c\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u6211\u5c06\u7b80\u8981\u63cf\u8ff0\u6211\u521b\u5efa\u5e26\u6709\u677f\u4e0a\u5355\u76d2\u7684 Wi-Fi \u8def\u7531\u5668\u7684\u65b9\u6cd5\u3002\u6240\u63cf\u8ff0\u7684\u65b9\u6cd5\u5728\u5f53\u524d\u6709\u6548\uff0c\u5e76\u4e14\u5c06\u6765\u53ef\u80fd\u4f1a\u53d1\u751f\u5f88\u591a\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u8bf7\u4f7f\u7528\u6b64\u6ce8\u91ca\u4f5c\u4e3a\u60a8\u5c06\u9047\u5230\u7684\u60c5\u51b5\u7684\u7c97\u7565\u6982\u8ff0\u3002<\/p>\n<h3>SSH<\/h3>\n<p>\u5bf9\u4e8e\u90a3\u4e9b\u4e0d\u77e5\u9053\u5982\u4f55\u4f7f\u7528 OpenWrt \u7684\u4eba\uff0c\u6211\u5efa\u8bae\u5b89\u88c5 DietPI\u3002<br \/>\n\u901a\u8fc7 eth0 \u5c06 RPI \u8fde\u63a5\u5230\u5f53\u524d\u8def\u7531\u5668\uff0c\u7136\u540e\u901a\u8fc7 SSH \u8fde\u63a5\u3002\u60a8\u53ef\u4ee5\u5728\u8def\u7531\u5668\u7684 dhcp \u9762\u677f\u4e2d\u627e\u5230 RPI IP \u5730\u5740\u3002\u76f4\u63a5\u8fde\u63a5\u5230 root\uff0c\u4f8b\u5982\u5982\u4e0b\u6240\u793a\uff1a<br \/>\n<\u4ee3\u7801><br \/>\nssh root@[IP_ADDRESS]<br \/>\n<\/code><\/p>\n<h3>Wi-Fi \u9002\u914d\u5668<\/h3>\n<p>\u5766\u767d\u8bf4\uff0c\u5185\u7f6e\u7684 RPI3 \u6027\u80fd\u5f88\u5f31\uff0c\u800c\u4e14\u4e0d\u652f\u6301 5GHz\u3002\u56e0\u6b64\uff0c\u6211\u901a\u8fc7 USB 2 \u5c06 RITMIX RWA-150 \u9002\u914d\u5668\u8fde\u63a5\u5230 Realtek RTL8811CU \u82af\u7247\u7ec4\u4e0a\u3002\u9a71\u52a8\u7a0b\u5e8f\u5df2\u6dfb\u52a0\u5230\u6211\u7684 DietPi \u7248\u672c\u4e2d\u7684 Linux \u5185\u6838\u4e2d\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528dietpi-config\uff0c\u6211\u5b8c\u5168\u5173\u95ed\u4e86\u5185\u7f6eWi-Fi\u3002\u7ed3\u679c\uff0c\u53ea\u5269\u4e0b\u4e00\u4e2awlan0 USB\u9002\u914d\u5668\u4e86\u3002<\/p>\n<h3>\u63a5\u5165\u70b9<\/h3>\n<p>root \u7684\u9ed8\u8ba4 DietPI \u5bc6\u7801\u662f Dietpi\u3002\u8fde\u63a5\u540e\uff0c\u60a8\u5c06\u770b\u5230 DietPI \u5b89\u88c5\u7a0b\u5e8f\/\u914d\u7f6e\u7a0b\u5e8f\u3002\u5b8c\u6210\u540e\uff0c\u7531\u4e8e\u8bbe\u5907\u91cd\u65b0\u542f\u52a8\uff0c\u60a8\u5c06\u9700\u8981\u91cd\u65b0\u8fde\u63a5\u3002<\/p>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u914d\u7f6e hostapd \u4ee5\u4fbf\u8bbe\u5907\u53ef\u4ee5\u770b\u5230\u60a8\u7684\u63a5\u5165\u70b9\u3002\u5982\u679c\u6ca1\u6709\u5b89\u88c5hostapd\uff0c\u5219\u901a\u8fc7apk\u5b89\u88c5\u3002<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u4e3a hostapd \u7f16\u5199\u914d\u7f6e\u3002\u6211\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>interface=wlan0\ndriver=nl80211\nssid=MyPiAP\nhw_mode=a\nchannel=157\nwmm_enabled=1\n\nauth_algs=1\nwpa=2\nwpa_passphrase=your_password\nwpa_key_mgmt=WPA-PSK\nrsn_pairwise=CCMP\nieee80211n=1\nieee80211ac=0\nieee80211ax=0\ncountry_code=RU\n<\/code><\/pre>\n<\/div>\n<p>hostapd\u914d\u7f6e\u7684\u542b\u4e49\u53ef\u4ee5\u5728\u624b\u518c\u4e2d\u627e\u5230\u3002\u7136\u800c\uff0c\u91cd\u8981\u7684\u662f\u8981\u4e3a\u81ea\u5df1\u914d\u7f6e\u5b83 &#8211; \u9891\u9053\uff082.4GHz \u6216 5GHz\uff09\u3001\u56fd\u5bb6\/\u5730\u533a\u4ee3\u7801\uff0c\u5426\u5219\u6ca1\u6709\u8fd9\u4e9b\uff0c\u60a8\u7684\u672c\u5730\u5316\u8bbe\u5907\u5c31\u53ef\u4ee5\u6b63\u786e\u5730\u4e0e\u63a5\u5165\u70b9\u914d\u5408\u4f7f\u7528\uff0c\u6211\u5df2\u7ecf\u5b8c\u6210\u4e86\u8fd9\u4e00\u70b9\u5e76\u4e14\u77e5\u9053\uff0c\u6240\u4ee5\u8bf7\u4ed4\u7ec6\u8bbe\u7f6e\u60a8\u7684\u56fd\u5bb6\/\u5730\u533a\u3002<\/p>\n<h3>DHCP<\/h3>\n<p>\u63a5\u4e0b\u6765\uff0c\u5b89\u88c5\u5e76\u914d\u7f6e dnsmasq \u4ee5\u5b9e\u65bd DHCP\u3002\u8fd9\u662f\u8fde\u63a5\u8ba1\u7b97\u673a\u786e\u5b9a IP \u5730\u5740\u548c DNS \u670d\u52a1\u5668\u6240\u5fc5\u9700\u7684\u3002<br \/>\n\u6211\u7684\u914d\u7f6e\u793a\u4f8b\uff1a<\/p>\n<div class=\"hcb_wrap\">\n<pre class=\"prism line-numbers lang-unknown\" data-lang=\"unknown\"><code>interface=wlan0\ndhcp-range=172.19.0.10,172.19.0.200,255.255.255.0,12h\n\ndhcp-option=3,172.19.0.1\n\ndhcp-option=6,1.1.1.1,8.8.8.8\n\nno-resolv\n\nserver=1.1.1.1\nserver=8.8.8.8\n<\/code><\/pre>\n<\/div>\n<p>\u8fd9\u662f\u5141\u8bb8\u60a8\u8fde\u63a5\u5230\u63a5\u5165\u70b9\u5e76\u83b7\u53d6 IP \u5730\u5740\u7684\u6700\u4f4e\u914d\u7f6e\u3002\u63a5\u4e0b\u6765\uff0c\u60a8\u9700\u8981\u914d\u7f6e\u8def\u7531\u548c NAT\u3002\u8fd9\u662f\u8fde\u63a5\u8ba1\u7b97\u673a\u53ef\u4ee5\u8bbf\u95ee\u4e92\u8054\u7f51\u6240\u5fc5\u9700\u7684\u3002<\/p>\n<p>\u8fd9\u91cc\u7684\u8bf4\u660e\u6d89\u53ca\u5e38\u89c4 Debian \u517c\u5bb9\u7cfb\u7edf\u4e0a\u7684\u5178\u578b\u8def\u7531\u8bbe\u7f6e\u7c7b\u522b\uff0c\u4e92\u8054\u7f51\u4e0a\u6709\u5f88\u591a\u5173\u4e8e\u8be5\u7cfb\u7edf\u7684\u6587\u7ae0\u3002\u7136\u540e\u8fd9\u4e00\u5207\u90fd\u53d6\u51b3\u4e8e\u60a8\u8ffd\u6c42\u7684\u76ee\u6807\uff0c\u4f8b\u5982\uff0c\u4f5c\u4e3a\u7cfb\u7edf\u4e2d\u7684\u65b0\u63a5\u53e3\u8fde\u63a5\u5230\u5916\u90e8\u670d\u52a1\u5668\uff0c\u6216\u8005\u53ea\u662f\u6267\u884c wlan0 <-> eth0\uff0c\u8fd9\u662f RPI \u7ec6\u8282\u7ed3\u675f\u7684\u5730\u65b9\uff0c\u7136\u540e\u6839\u636e\u60a8\u7684\u559c\u597d\u8fdb\u884c\u914d\u7f6e\u3002<\/p>\n<p>\u6211\u8fd8\u60f3\u63d0\u4e00\u4e0b\u9700\u8981\u901a\u8fc7systemctl\u914d\u7f6e\u81ea\u5b9a\u4e49\u7cfb\u7edf\u670d\u52a1\uff1b\u53ef\u80fd\u9700\u8981\u5c06\u670d\u52a1\u8fde\u63a5\u6210\u4e00\u6761\u94fe\uff1b\u6240\u6709\u8fd9\u4e9b\u90fd\u5728\u7f51\u7edc\u4e0a\u7684 systemctl \u624b\u518c\u4e2d\u3002\u5982\u679c\u670d\u52a1\u5c42\u9762\u6709\u95ee\u9898\uff0c\u5219\u68c0\u67e5journalctl\u4e2d\u7684\u65e5\u5fd7\u3002<\/p>\n<h3>\u7ed3\u8bba<\/h3>\n<p>\u4ece\u901f\u5ea6\u6d4b\u91cf\u6765\u770b\uff0c\u6211\u4eec\u80fd\u591f\u901a\u8fc7 Wi-Fi \u4ece RPI3 \u4e2d\u6324\u51fa\u7ea6 50Mbps\uff08\u8fde\u63a5 5GHz \u9002\u914d\u5668\u540e\uff09\uff0c\u8fd9\u610f\u5473\u7740\u4e0e\u76f4\u63a5\u8fde\u63a5\u5230\u8def\u7531\u5668\u76f8\u6bd4\uff0c\u901f\u5ea6\u635f\u5931\u4e86\u4e00\u534a\u3002\u6211\u627f\u8ba4\u66f4\u9ad8\u6548\u7684 RPI \u6a21\u578b\u5c06\u4f7f\u60a8\u83b7\u5f97\u66f4\u597d\u7684\u7ed3\u679c\uff0c\u800c\u4e14\u4e13\u95e8\u7684 OpenWrt \u8bbe\u5907\u548c\u73b0\u6210\u7684\u89e3\u51b3\u65b9\u6848\u53ef\u80fd\u66f4\u9002\u5408\u60a8\u7684\u9700\u6c42\u3002<\/p>\n<h3>\u6765\u6e90<\/h3>\n<p><a href=\"https:\/\/forums.raspberrypi.com\/viewtopic.php?t=394710\" rel=\"noopener\" target=\"_blank\">https:\/\/forums.raspberrypi.com\/viewtopic.php?t=394710<\/a><br \/>\n<a href=\"https:\/\/superuser.com\/questions\/1408586\/raspberry-pi-wifi-hotspot-slow-internet-speed\" rel=\"noopener\" target=\"_blank\">https:\/\/superuser.com\/questions\/1408586\/raspberry-pi-wifi-hotspot-slow-internet-speed<\/a><br \/>\n<a href=\"https:\/\/www.youtube.com\/watch?v=jlHWnKVpygw\" rel=\"noopener\" target=\"_blank\">https:\/\/www.youtube.com\/watch?v=jlHWnKVpygw<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e92\u8054\u7f51\u4e0a\u6709\u5f88\u591a\u5173\u4e8e\u5982\u4f55\u4ece Raspberry Pi (RPI) \u5236\u4f5c Wi-Fi \u8def\u7531\u5668\u7684\u6587\u7ae0\uff0c\u5728\u8fd9\u7bc7\u6587\u7ae0\u4e2d\u6211\u5c06\u7b80\u8981\u63cf\u8ff0\u6211\u521b\u5efa\u5e26\u6709\u677f\u4e0a\u5355\u76d2\u7684 Wi-Fi \u8def\u7531\u5668\u7684\u65b9\u6cd5\u3002\u6240\u63cf\u8ff0\u7684\u65b9\u6cd5\u5728\u5f53\u524d\u6709\u6548\uff0c\u5e76\u4e14\u5c06\u6765\u53ef\u80fd\u4f1a\u53d1\u751f\u5f88\u591a\u53d8\u5316\u3002\u56e0\u6b64\uff0c\u8bf7\u4f7f\u7528\u6b64\u6ce8\u91ca\u4f5c\u4e3a\u60a8\u5c06\u9047\u5230\u7684\u60c5\u51b5\u7684\u7c97\u7565\u6982\u8ff0\u3002 SSH \u5bf9\u4e8e\u90a3\u4e9b\u4e0d\u77e5\u9053\u5982\u4f55\u4f7f\u7528 OpenWrt \u7684\u4eba\uff0c\u6211\u5efa\u8bae\u5b89\u88c5 DietPI\u3002 \u901a\u8fc7 eth0 \u5c06 RPI \u8fde\u63a5\u5230\u5f53\u524d\u8def\u7531\u5668\uff0c\u7136\u540e\u901a\u8fc7 SSH \u8fde\u63a5\u3002\u60a8\u53ef\u4ee5\u5728\u8def\u7531\u5668\u7684 dhcp \u9762\u677f\u4e2d\u627e\u5230 RPI IP \u5730\u5740\u3002\u76f4\u63a5\u8fde\u63a5\u5230 root\uff0c\u4f8b\u5982\u5982\u4e0b\u6240\u793a\uff1a ssh root@[IP_ADDRESS] Wi-Fi \u9002\u914d\u5668 \u5766\u767d\u8bf4\uff0c\u5185\u7f6e\u7684 RPI3 \u6027\u80fd\u5f88\u5f31\uff0c\u800c\u4e14\u4e0d\u652f\u6301 5GHz\u3002\u56e0\u6b64\uff0c\u6211\u901a\u8fc7 USB 2 \u5c06 RITMIX RWA-150 \u9002\u914d\u5668\u8fde\u63a5\u5230 Realtek RTL8811CU \u82af\u7247\u7ec4\u4e0a\u3002\u9a71\u52a8\u7a0b\u5e8f\u5df2\u6dfb\u52a0\u5230\u6211\u7684 DietPi \u7248\u672c\u4e2d\u7684 Linux \u5185\u6838\u4e2d\u3002\u63a5\u4e0b\u6765\uff0c\u4f7f\u7528dietpi-config\uff0c\u6211\u5b8c\u5168\u5173\u95ed\u4e86\u5185\u7f6eWi-Fi\u3002\u7ed3\u679c\uff0c\u53ea\u5269\u4e0b\u4e00\u4e2awlan0 USB\u9002\u914d\u5668\u4e86\u3002 \u63a5\u5165\u70b9 root \u7684\u9ed8\u8ba4 DietPI \u5bc6\u7801\u662f Dietpi\u3002\u8fde\u63a5\u540e\uff0c\u60a8\u5c06\u770b\u5230<a class=\"more-link\" href=\"https:\/\/demensdeum.com\/blog\/zh\/2026\/04\/22\/raspberry-pi-3-as-router\/\">Continue reading <span class=\"screen-reader-text\">&#8220;Raspberry PI 3 \u4f5c\u4e3a Wi-Fi \u8def\u7531\u5668&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[61],"tags":[],"class_list":["post-4348","post","type-post","status-publish","format-standard","hentry","category-techie","entry"],"translation":{"provider":"WPGlobus","version":"3.0.2","language":"zh","enabled_languages":["en","ru","zh","de","fr","ja","pt"],"languages":{"en":{"title":true,"content":true,"excerpt":false},"ru":{"title":true,"content":true,"excerpt":false},"zh":{"title":true,"content":true,"excerpt":false},"de":{"title":true,"content":true,"excerpt":false},"fr":{"title":true,"content":true,"excerpt":false},"ja":{"title":true,"content":true,"excerpt":false},"pt":{"title":true,"content":true,"excerpt":false}}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/4348","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/comments?post=4348"}],"version-history":[{"count":1,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/4348\/revisions"}],"predecessor-version":[{"id":4349,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/posts\/4348\/revisions\/4349"}],"wp:attachment":[{"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/media?parent=4348"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/categories?post=4348"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/demensdeum.com\/blog\/zh\/wp-json\/wp\/v2\/tags?post=4348"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}