新浪微博： @wandering
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-modeswitchusb-modeswitch-datalibusb2. install==============安装软件root# tar jxvf usb-modeswitch-1.1.3.tar.bz2root# cd usb-modeswitch-1.1.3/root# make installroot# tar jxvf usb-modeswitch-data-20100707.tar.bz2root# cd usb-modeswitch-data-20100707/root# make installthen upgrade libusb to the lastest version.root# cp /usr/share/doc/packages/ppp/scripts/pon /usr/local/sbinroot# cp /usr/share/doc/packages/ppp/scripts/poff /usr/local/sbinroot# 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 nodetachlock/dev/gsmmodem115200user “card”password “card”crtsctsshow-passwordusepeerdnsnoauthnoipdefaultnovjnovjccompnoccpdefaultrouteipcp-accept-localipcp-accept-remoteconnect ‘/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”’ \rATOK \rATZOK \rAT+CGDCONT=1,”IP”,”3gnet”,,0,0OK-AT-OK ATDT*99#CONNECT \d\croot# 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 ppp0Connect: ppp0 — /dev/gsmmodemCHAP authentication succeededCHAP authentication succeededCould not determine remote IP address: defaulting to 10.64.64.64not replacing default route to eth0 [10.217.15.1]local IP address 172.27.25.133remote IP address 10.64.64.64primary DNS address 202.106.195.68secondary DNS address 202.106.46.151Script /etc/ppp/ip-up finished (pid 10543), status = 0x0手工添加DNSroot# 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.cnPING 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 ms64 bytes from 202.108.33.80: icmp_seq=2 ttl=56 time=48.3 ms64 bytes from 202.108.33.80: icmp_seq=3 ttl=56 time=46.8 ms64 bytes from 202.108.33.80: icmp_seq=4 ttl=56 time=44.6 ms64 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 4006msrtt min/avg/max/mdev = 39.670/44.739/48.330/2.957 ms5. disconnect==================root# poff
有多远，走多远，把足迹连成生命线。
