在Linux上实现3G拔号上网
作者 佚名技术
来源 Linux系统
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发布时间 2012-04-16
我的3G上网卡是华为 E1750,操作系统是openSUSE 11.2,之前只能在虚拟机运行的Windows里上3G,感觉这样实在不方便,于是想到了直接在Linux里连接3G网络. 主要参考了2篇文档,尤其向第一篇作者yel617致谢,分别是： <<华为E1750在DM6446上的移植>> <<USB_ModeSwitch - Activating Switchable USB Devices on Linux>> 闲话少说,直接写方法. 1. software ================ http://www.draisberghof.de/usb_modeswitch/ usb-modeswitch usb-modeswitch-data libusb 2. install ============== 安装软件 root# tar jxvf usb-modeswitch-1.1.3.tar.bz2 root# cd usb-modeswitch-1.1.3/ root# make install root# tar jxvf usb-modeswitch-data-20100707.tar.bz2 root# cd usb-modeswitch-data-20100707/ root# make install then upgrade libusb to the lastest version. root# cp /usr/share/doc/packages/ppp/scripts/pon /usr/local/sbin root# cp /usr/share/doc/packages/ppp/scripts/poff /usr/local/sbin root# chmod ug x /usr/local/sbin/pon /usr/local/sbin/poff 接下来,接上3G上网卡,可以看到 lsusb 输出的结果多了"USB Modem"字样. root# lsusb ... Bus 002 Device 010: ID 12d1:1001 Huawei Technologies Co., Ltd. E620 USB Modem ... 3. configure ================ 建立3个PPP配置文件. root# cat /etc/ppp/peers/wcdma nodetach lock /dev/gsmmodem 115200 user "card" password "card" crtscts show-password usepeerdns noauth noipdefault novj novjccomp noccp defaultroute ipcp-accept-local ipcp-accept-remote connect ''/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-connect'' disconnect ''/usr/sbin/chat -s -v -f /etc/ppp/peers/wcdma-chat-disconnect'' root# cat /etc/ppp/peers/wcdma-chat-connect ABORT ''NO CARRIER'' ABORT ''ERROR'' ABORT ''NO DIALTONE'' ABORT ''BUSY'' ABORT ''NO ANSWER'' '''' \rAT OK \rATZ OK \rAT CGDCONT=1,"IP","3gnet",,0,0 OK-AT-OK ATDT*99# CONNECT \d\c root# cat /etc/ppp/peers/wcdma-chat-disconnect ABORT "ERROR" ABORT "NO DIALTONE" SAY "\nSending break to the modem\n" '''' "\K" '''' " ATH" SAY "\nGoodbay\n" 4. connect ============== 拔号连接 root# pppd call wcdma & ...... Serial connection established. Using interface ppp0 Connect: ppp0 <--> /dev/gsmmodem CHAP authentication succeeded CHAP authentication succeeded Could not determine remote IP address: defaulting to 10.64.64.64 not replacing default route to eth0 [10.217.15.1] local IP address 172.27.25.133 remote IP address 10.64.64.64 primary DNS address 202.106.195.68 secondary DNS address 202.106.46.151 Script /etc/ppp/ip-up finished (pid 10543), status = 0x0 手工添加DNS root# echo "nameserver 202.106.46.151" >> /etc/resolv.conf 手工指定默认网关 root# route add default gw 172.27.25.133 测试网络是否可用 root# ping -c 5 www.sina.com.cn PING libra.sina.com.cn (202.108.33.80) 56(84) bytes of data. 64 bytes from 202.108.33.80: icmp_seq=1 ttl=56 time=39.6 ms 64 bytes from 202.108.33.80: icmp_seq=2 ttl=56 time=48.3 ms 64 bytes from 202.108.33.80: icmp_seq=3 ttl=56 time=46.8 ms 64 bytes from 202.108.33.80: icmp_seq=4 ttl=56 time=44.6 ms 64 bytes from 202.108.33.80: icmp_seq=5 ttl=56 time=44.1 ms --- libra.sina.com.cn ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4006ms rtt min/avg/max/mdev = 39.670/44.739/48.330/2.957 ms 5. disconnect ================== root# poff |
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