INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL
In this tutorial, How to installing and configuring USB 3G/4G Data on CENTOS /RHEL. INSTALLING AND CONFIGURING USB 3G DATA ON CENTOS/RHEL To install wvdial usb_modeswitch usb_modeswitch packages for USB 3G modem. $ sudo yum install wvdial usb_modeswitch-data usb_modeswitch To check log $ dmesg | grep tty Plug and connected and detected for USB 3G modem on CENTOS/RHEL. To configure wvdial $ vi /etc/wvdial.conf The content wvdial file as below [Dialer 3gviettel] Init1 = ATZ Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0 Init3 = AT+CGDCONT=1,"IP","e-internet" Stupid Mode = 1 Modem Type = Analog Modem ISDN = 0 Phone = *99# Modem = /dev/ttyUSB0 New PPPD = yes Username = { } Password = { } Baud = 460800 Auto DNS = off check DNS =no Auto Reconnect = on Loading module USB 3G/4G modem $ modprobe usb_wwan usb-storage usbserial Running wvdial for 3gviettel $ wvdial 3gviettel & Yeh, You can add DNS in /etc/resolv.conf fi