华为/中兴 3G 模块的调试

1 检查/etc/init.d/pppd『红颜色的使上电自动上网注册（如果没有红颜色的语句），请添加』

#!/bin/sh
#
DAEMON=/usr/sbin/pppd
PIDFILE=/var/run/ppp0.pid

# define the interface used for the connection
#DAEMON_OPTS=ppp0
DAEMON_OPTS=call wcdma

case "${1}" in
   start)
       if [ -e $PIDFILE ]; then
           echo "pppd already running"
           exit 1
       fi
       echo "modprobe kernel modules..."
                modprobe option.ko
       echo "Starting pppd..."
                pppd call wcdma &
       ;;

stop)
       if [ ! -e $PIDFILE ]; then
           echo "pppd not running"
           exit 1
       fi
       echo "Stopping pppd..."
       kill -s SIGTERM `cat $PIDFILE` || echo "failed"
       ;;

restart)
       if [ ! -e $PIDFILE ]; then
           echo "pppd not running"
           exit 1
       fi
       echo "Restarting pppd..."
       kill -s SIGTERM `cat $PIDFILE` || echo "failed"
       sleep 1
       $DAEMON $DAEMON_OPTS || echo "failed"
       ;;

status)
       if [ -e $PIDFILE ]; then
           echo "pppd running"
       else
           echo "pppd not running"
       fi
       ;;

hangup)
       if [ ! -e $PIDFILE ]; then
           echo "pppd not running"
           exit 1
       fi
       echo "pppd hanging up"
       kill -s SIGHUP `cat $PIDFILE` || echo "failed"
       ;;

*)
       echo "Usage: ${0} {start|stop|restart|status|hangup}"
       exit 1
       ;;
esac

2 如果不希望上电后3G模块自动上网----手动注册，注释掉红颜色的语句，在console终端里敲入下面的命令即可（不要忘记回车换行）：

pppd call wcdma &

3 建议先手动拨号，成功后改为上电自动注册；手动拨号成功会出现：

primary DSN XXX.XXX.XXX.XXX

secondary DSN XXX.XXX.XXX.XXX

vi /etc/resolv.conf，加入内容(primary DSN XXX.XXX.XXX.XXX, secondary DSN XXX.XXX.XXX.XXX)：

nameserver xxx.xxx.xxx.xxx

4 使用ifconfig -a 查看是否有ppp0的网络设备；

最后测试ppp0网络设备是否能够使用

ping –I ppp0 www.baidu.com

能够ping通就表示3G卡移植驱动成功

巴特西

华为/中兴 3G 模块的调试

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