一、4G Luci配置
1、 新建一个wwan接口；
2、 上网方式为dhcp自动获取；
3、 物理设置选择wwan0；
4、 防火墙选择wan
二、重连脚本redial4g
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LogFile=/root/4g_Log.log
mdate=`date +%R-%d-%m-%Y`
if
[ -e /
var
/run/udhcpc-wwan0.pid ]; then
echo 4G pid
is
ok!
#echo $mdate 4G pid is ok! >> $LogFile
#exit 0
else
echo 4G pid
is
failed!
echo $mdate 4G pid
is
failed! >> $LogFile
#/etc/myLte/dial4g
#reboot
#exit 0
fi
if
ping -c3 www.baidu.com > /dev/
null
2>&1
then
echo ping baidu
is
ok!
#echo $mdate ping baidu is ok! >> $LogFile
echo 0 > /tmp/4g_tmp.txt
exit 0
else
echo ping baidu
is
failed!
echo $mdate ping baidu
is
failed! >> $LogFile
/etc/myLte/dial4g #must place here
#read pvar < /tmp/4g_temp.txt
#if [ -z "$pvar" ] ; then
# pvar=0
#fi
if
[ ! -f
"/tmp/4g_tmp.txt"
] ; then
pvar=0
echo file not exist
else
read pvar < /tmp/4g_tmp.txt
echo file exist
fi
pvar=`expr $pvar + 1`
echo $pvar > /tmp/4g_tmp.txt
if
[ $pvar -ge 5 ] ; then
echo failed 5 times!
echo $mdate failed 5 times! >> $LogFile
reboot
fi
fi
exit 0
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三、crontab
*/2 * * * * /etc/myLte/redial4g
重连时间不要设太短，太短可能还没拨号结束就又进行重播，会重复了。
四、拨号脚本dial4g
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PORT=/dev/ttyUSB0
MODE=
"AT+CFUN=1"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
MODE=
"AT+COPS=0"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
MODE=
"AT+CEREG=1"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
MODE=
"AT+CGDCONT=1,'IP'"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
MODE=
"AT+CGACT=1,1"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
MODE=
"AT+ZGACT=1,1"
gcom -d $PORT -s /etc/gcom/setmode.gcom
sleep 3
ifup wwan &
exit 0
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五、开机启动
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# Put your custom commands here that should be executed once
# the system init finished. By default this file does nothing.
/etc/myLte/dial4g
exit 0
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