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Old 02-25-2011, 01:37 AM   #1
LQ Newbie
Registered: Oct 2010
Location: Bangalore, INDIA
Distribution: Fedora Core 11
Posts: 6

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MTS Mblaze Modem - Not getting connected to Internet from Fedora 11

Hi All,

I have installed the 3 packages required for MTS Mblaze 3G Modem to get connected to the internet.

1. usb_modeswitch
2. usb_modeswitch-data
3. wvdial
Here is the "/etc/wvdial.conf" file that gets generated when I do the "wvdialconf"

[Dialer Defaults]
Init1 = ATZ 
Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
Stupid Mode = yes 
Modem Type = Analog Modem
ISDN = 0 
Phone = #777
Modem = /dev/ttyUSB0
Username =
Password = MTS 
Baud = 9600
Now the problem is when I run the wvdial, I get the following log:

[root@localhost factory]# wvdial
--> WvDial: Internet dialer version 1.60
--> Cannot get information for serial port.
--> Initializing modem.
--> Sending: ATZ
--> Sending: ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
--> Modem initialized.
--> Sending: ATDT#777
--> Waiting for carrier.
--> Carrier detected.  Starting PPP immediately.
--> Starting pppd at Fri Feb 25 13:03:48 2011
--> Pid of pppd: 13094
--> Using interface ppp0
--> pppd: [10][11]7[08]�>7[08]
--> pppd: [10][11]7[08]�>7[08]
--> pppd: [10][11]7[08]�>7[08]
--> pppd: [10][11]7[08]�>7[08]
--> pppd: [10][11]7[08]�>7[08]
--> local  IP address
--> pppd: [10][11]7[08]�>7[08]
--> remote IP address
--> pppd: [10][11]7[08]�>7[08]
--> primary   DNS address
--> pppd: [10][11]7[08]�>7[08]
--> secondary DNS address
--> pppd: [10][11]7[08]�>7[08]
But now when I open Mozilla or Google Chrome Internet Browsers, I am not able to connect.

Moreover, I also tried to ping to "" but it is not pinging.

Can anybody help me out here...

Is it related to some Network Manager settings. As when I look at the Network Connection Icon, it shows CROSS i.e. not connected to any network...

Thanks for the help.
Old 02-25-2011, 05:14 AM   #2
John VV
LQ Muse
Registered: Aug 2005
Posts: 15,095

Rep: Reputation: Disabled
you are aware that fedora 11 is a DEAD version
and that there has been NO new software for it in over 8 months
No security fixes , NO nothing not even support .

the current version is Fedora 14 ( fedora 15 is in testing)

if you are going to use fedora then you DO NEED to stat current .Fedora release a new version EVERY 6 months
and support for any one version is only 13 months .

for fedora info you might want to read the fedora forum
Old 02-25-2011, 06:22 AM   #3
LQ Newbie
Registered: Oct 2010
Location: Bangalore, INDIA
Distribution: Fedora Core 11
Posts: 6

Original Poster
Rep: Reputation: 0
Hi John,

Thanks for your prompt reply...

But I just wanted to check if anyone knows a way around as I do not want to upgrade because I am testing this wvdial application in my work place for a project....

But I surely will convey this to my manager though...

Do let me know if there is a way around though...

Thanks again...
Old 03-02-2011, 11:25 PM   #4
LQ Newbie
Registered: Oct 2010
Location: Bangalore, INDIA
Distribution: Fedora Core 11
Posts: 6

Original Poster
Rep: Reputation: 0
Backup ‘/etc/resolv.conf’ and replace it with a link to ‘/var/run/ppp/resolv.conf’.

	# mv /etc/resolv.conf /etc/resolv.conf-orig
	# ln –s /var/run/ppp/resolv.conf /etc
Shutdown any alternative network devices used.

	# ifdown eth0
Add the following lines to this file "/etc/usb_modeswitch.conf"
	# Your 3G Modem Details
	DefaultVendor= <Enter_Vendor_ID>
	DefaultProduct= <Enter_Product_ID>
	TargetVendor= <Enter_Vendor_ID>
	TargetProduct= <Enter_Product_ID>
	MessageContent="5553424312345678c00000008000069f030000000000000000000000000000"  // this is for MTS Huawei 3G Modem. You have to search for the MessageContent for your 3G Modem or ask your 3G ISP.
Added the following lines to this file "/etc/udev/rules.d/72-huawei.rules"

	ACTION=="add", ATTRS{idVendor}=="12d1", ATTRS{idProduct}=="1446", RUN+="/usr/bin/usb_modeswitch"
Run the following command from the terminal BEFORE_YOU_INSERT_THE_3G_MODEM:

	# modprobe usbserial vendor=0x12d1 product=0x140b
Execute the wvdial command

	# wvdial
Press ‘CTRL+C’ TO_STOP_THE_CONNECTION and do not forget to restore your original ‘resolv.conf’ file afterward.

I am marking this post as SOLVED.


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