{"id":1471,"date":"2017-02-13T10:34:47","date_gmt":"2017-02-13T01:34:47","guid":{"rendered":"http:\/\/research.itplants.com\/?p=1471"},"modified":"2017-02-13T10:39:54","modified_gmt":"2017-02-13T01:39:54","slug":"rpi%e3%81%aewifi%e8%87%aa%e5%8b%95%e5%88%87%e3%82%8a%e6%9b%bf%e3%81%88","status":"publish","type":"post","link":"https:\/\/research.itplants.com\/?p=1471","title":{"rendered":"RPI\u306eWiFi\u81ea\u52d5\u5207\u308a\u66ff\u3048"},"content":{"rendered":"

RaspberryPi\u3067\u3001WiFi\u306e\u5207\u308a\u66ff\u3048\u304c\u624b\u9593\u3067\u3059\u3002<\/p>\n

RPi3_Switchable_HOTSPOT<\/a><\/p>\n

\u3092\u4f7f\u3048\u3070\u3001\u8a2d\u5b9a\u3057\u3066\u3042\u308bWiFi\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306b\u3001\u81ea\u52d5\u7684\u306bhostapd\u3067\u3001\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u306a\u3063\u3066\u304f\u308c\u308b\u306e\u3067\u4fbf\u5229\u3067\u3059\u3002\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306f\u3001home\u306eWiFi\u3068\u5916\u51fa\u6642\u306b\u3001\u81ea\u52d5\u7684\u306b\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u306a\u3063\u3066\u304f\u308c\u308b\u3060\u3051\u3067\u3059\u3002\u8907\u6570\u306eWiFi\u30eb\u30fc\u30bf\u30fc\u306b\u81ea\u52d5\u63a5\u7d9a\u3059\u308b\u306b\u306f\u3001\u3055\u3089\u306b\u8a2d\u5b9a\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n

\/etc\/network\/interfaces\u3092\u7de8\u96c6\u3057\u3066\u3001\u8d64\u6587\u5b57\u306e\u90e8\u5206\u3092\u5c0e\u5165\u3059\u308c\u3070\u3001home, office, labor\u306e\uff13\u30f6\u6240\u3067WiFi\u30eb\u30fc\u30bf\u30fc\u306b\u81ea\u52d5\u7684\u306b\u63a5\u7d9a\u3067\u304d\u307e\u3059\u3002\u3082\u3061\u308d\u3093\u3001office\u3084labo\u306eWiFi\u306eSSID\u3084\u30d1\u30b9\u30ef\u30fc\u30c9\u306f\u3001\/etc\/wpa_supplicant\/wpa_supplicant.conf \u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n

map YOUR_ESSID3,labo\u3000\u306e\u90e8\u5206\u3060\u3051\u3067\u306f\u3064\u306a\u304c\u308a\u307e\u305b\u3093\u306e\u3067\u3001\u3054\u6ce8\u610f\u304f\u3060\u3055\u3044\u3002<\/span><\/p>\n

 <\/p>\n

RPi3_Switchable_HOTSPOT<\/span><\/span>\/<\/span>interfaces<\/span><\/a><\/p>\n

source-directory \/etc\/network\/interfaces.d\r\n\r\nauto lo\r\niface lo inet loopback\r\n\r\niface eth0 inet manual\r\n\r\nallow-hotplug wlan0\r\nmapping wlan0\r\n  script \/usr\/local\/bin\/apscan.sh\r\n  map YOUR_ESSID1,home\r\n\u3000map YOUR_ESSID2,office<\/span>\r\n\u3000map YOUR_ESSID3,labo\r\n<\/span><\/pre>\n
allow-hotplug wlan1\r\niface wlan1 inet manual\r\n    pre-up wpa_supplicant -B -i\"$IFACE\" -c\/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n    post-down wpa_cli -i $IFACE terminate\r\n\r\niface home inet manual\r\n    pre-up wpa_supplicant -B -i\"$IFACE\" -c\/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n    post-down wpa_cli -i\"$IFACE\" terminate\r\n\r\niface office inet manual\r\n   pre-up wpa_supplicant -B -i\"$IFACE\" -c\/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n   post-down wpa_cli -i\"$IFACE\" terminate<\/span><\/pre>\n
iface labo inet manual\r\n   pre-up wpa_supplicant -B -i\"$IFACE\" -c\/etc\/wpa_supplicant\/wpa_supplicant.conf\r\n   post-down wpa_cli -i\"$IFACE\" terminate\r\n<\/span><\/pre>\n
# Hotspot settings wlan0 and eth0\r\niface hotspot0 inet static\r\n  address 192.168.42.1\r\n  netmask 255.255.255.0\r\n  post-up ifup nat0\r\n  post-up ifup services0\r\n  pre-down ifdown services0\r\n  pre-down ifdown nat0\r\n\r\n# Nat eth0\r\niface nat0 inet manual\r\n  up sh -c 'echo 1 > \/proc\/sys\/net\/ipv4\/ip_forward'\r\n  up iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE\r\n  up iptables -A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT\r\n  up iptables -A FORWARD -i wlan0 -o eth0 -j ACCEPT\r\n  down iptables -D FORWARD -i wlan0 -o eth0 -j ACCEPT\r\n  down iptables -D FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT\r\n  down iptables -t nat -D POSTROUTING -o eth0 -j MASQUERADE\r\n  down sh -c 'echo 0 > \/proc\/sys\/net\/ipv4\/ip_forward'\r\n\r\n# Hotspot services\r\niface services0 inet manual\r\n  up service hostapd start \/etc\/hostapd\/hostapd.conf\r\n  up service udhcpd start\r\n  down service udhcpd stop\r\n  down service hostapd stop<\/pre>\n","protected":false},"excerpt":{"rendered":"
RaspberryPi\u3067\u3001WiFi\u306e\u5207\u308a\u66ff\u3048\u304c\u624b\u9593\u3067\u3059\u3002 RPi3_Switchable_HOTSPOT \u3092\u4f7f\u3048\u3070\u3001\u8a2d\u5b9a\u3057\u3066\u3042\u308bWiFi\u304c\u898b\u3064\u304b\u3089\u306a\u3044\u5834\u5408\u306b\u3001\u81ea\u52d5\u7684\u306bhostapd\u3067\u3001\u30db\u30c3\u30c8\u30b9\u30dd\u30c3\u30c8\u306b\u306a\u3063\u3066\u304f\u308c\u308b\u306e\u3067\u4fbf\u5229…<\/p>\n
 Read more →<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/1471"}],"collection":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1471"}],"version-history":[{"count":4,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/1471\/revisions"}],"predecessor-version":[{"id":1475,"href":"https:\/\/research.itplants.com\/index.php?rest_route=\/wp\/v2\/posts\/1471\/revisions\/1475"}],"wp:attachment":[{"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1471"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1471"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/research.itplants.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1471"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}