Setting Modem Venus VT-18 di Ubuntu 7.10

dmesg | tail
lsusb
sudo modprobe usbserial vendor=0x1d09 product=0x4306
sudo gedit /etc/modules
 - add this text
   #Probing Venus VT-18 EVDO CDMA Modem
   usbserial vendor=0x1d09 product=0x4306

wvdial.conf
wvdialconf
wvdial


Colokin modem USB, tentunya dengan kartu CDMA didalamnya (saya pake FREN). Lihat dmesg jika ada pesan seperti berikut berarti modem usb sudah dikenali.

[17179589.504000] cdc_acm 1-1:1.0: ttyACM0: USB ACM device
[17179589.508000] usbcore: registered new driver cdc_acm
[17179589.508000] drivers/usb/class/cdc-acm.c: v0.23:USB Abstract Control Model driver for USB modems and ISDN adapters

Konfigurasi /etc/wvdial.conf sebagai berikut:

[Dialer FREN]
Init1 = ATZ
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Modem Type = USB Modem
Baud = 230400
New PPPD = yes
Modem = /dev/ttyACM0
ISDN = 0
Phone = #777
Password = m8
Username = m8
Auto DNS = 1
Stupid Mode = 1
Auto Reconnect = on

Jalankan wvdial.
$ sudo wvdial FREN

Sengaja wvdial tidak saya jalankan di background supaya mudah dalam mengidentfikasi pesan error. Jika tidak terdapat masalah akan terlihat message berikut di terminal

--> WvDial: Internet dialer version 1.55
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
ATZ
OK
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
OK
--> Modem initialized.
--> Sending: ATDT#777
--> Waiting for carrier.
ATDT#777
CONNECT
--> Carrier detected. Starting PPP immediately.
--> Starting pppd at Sat Apr 21 09:34:43 2007
--> Pid of pppd: 5638
--> Using interface ppp0
--> pppd: ??[05][08]H?[05][08]
--> pppd: ??[05][08]H?[05][08]
--> pppd: ??[05][08]H?[05][08]
--> pppd: ??[05][08]H?[05][08]
--> local IP address 10.128.19.150
--> pppd: ??[05][08]H?[05][08]
--> remote IP address 10.21.9.1
--> pppd: ??[05][08]H?[05][08]
--> primary DNS address 10.21.4.77
--> pppd: ??[05][08]H?[05][08]
--> secondary DNS address 10.21.7.7
--> pppd: ??[05][08]H?[05][08]

Untuk memutus koneksi tinggal tekan Ctrl+C di terminal tersebut.

Jika sebelumnya sudah ada koneksi ethernet yang berjalan, kemungkinan default gateway tidak melalui ppp0. Untuk itu harus diubah default gateway ke ppp0.

$ sudo route del default
$ sudo route add default gw dev ppp0

nb : aktivasi Flexi unlimited : reg bulanan 2255

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