树莓派电信4G联网:树莓派3B+Quectel EC20
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树莓派电信4G联网:树莓派3B+Quectel EC20
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最近淘了一個移遠的4G 模塊,準備和樹莓派連一下。實現樹莓派4G 聯網,模塊是USB接口,話不多說。插上模塊lsusb
pi@raspberrypi:~ $ lsusbBus 001 Device 007: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modemBus 001 Device 004: ID 413c:2106 Dell Computer Corp. Dell QuietKey KeyboardBus 001 Device 005: ID 17ef:6050 Lenovo Bus 001 Device 006: ID 0424:7800 Standard Microsystems Corp. Bus 001 Device 003: ID 0424:2514 Standard Microsystems Corp. USB 2.0 HubBus 001 Device 002: ID 0424:2514 Standard Microsystems Corp. USB 2.0 HubBus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub?在Linux下,需要安裝usb-modeswitch驅動程序才能夠正確識別并啟動網卡的Modem功能。新系統貌似是自帶的,我安裝時并沒有提示更新什么的,如果沒有就手動安裝
sudo apt-get install usb-modeswitch usb-modeswitch-data采用撥號上網方式,安裝撥號軟件
sudo apt-get install wvdial配置sudo vi? /etc/wvdial.conf? ?改成如下配置
pi@raspberrypi:~ $ sudo vi /etc/wvdial.conf [Dialer Defaults] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 Init3 = at+cgdcont=1,"ip","ctnet" ISDN = 0 Modem Type = Analog Modem Baud = 9600 New PPPD = yes Modem = /dev/ttyUSB2 ISDN = 0 Phone = #777 Password = card Username = cardAPN設置:具體是移動或者聯通或者電信就是??Init3? ?Phone?稍有不同 其他基本一致,這里是電信。
移動: at+cgdcont=1,"ip","cmnet"
聯通: at+cgdcont=1,"ip","3gnet"
電信: at+cgdcont=1,"ip","ctnet"
撥號:
移動: *99***1#或*98*1#
聯通: *99#
電信: #777
開始撥號:
pi@raspberrypi:~ $ sudo wvdial hw1稍微等一會,ifconfig 查看IP 地址,會出現一個ppp0的網卡信息,有分配好的IP地址等
ppp0: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500inet 100.148.88.90 netmask 255.255.255.255 destination 10.64.64.64ppp txqueuelen 3 (Point-to-Point Protocol)RX packets 568 bytes 443037 (432.6 KiB)RX errors 0 dropped 0 overruns 0 frame 0TX packets 570 bytes 59252 (57.8 KiB)TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0查看路由信息,route我的如下圖所示:
pi@raspberrypi:~ $ routeKernel IP routing tableDestination Gateway Genmask Flags Metric Ref Use Ifacedefault 0.0.0.0 0.0.0.0 U 204 0 0 wwan010.64.64.64 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0link-local 0.0.0.0 255.255.0.0 U 204 0 0 wwan0添加無線網卡的路由信息,
route add -net 0.0.0.0 gw 10.64.64.64 dev ppp0?
ping 一下百度,沒問題的話就可以正常使用網絡了
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