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Thread: 3G mobile Broadband connected but cannot surf

  1. #1
    Join Date
    May 2007
    Beans
    4

    3G mobile Broadband connected but cannot surf

    Hi,

    I am a Ubuntu(Hardy) user at home, Windows XP/Kubuntu(Hardy) user at work. I started using 3G mobile broadband few days ago. The USB Modem is Samsung Z800, works fine in Windows XP. As for ubuntu/kubuntu the initial setup is ok, able to connect but I cannot surf the internet.

    I google for solutions, try different settings for wvdial.conf, /etc/ppp/options, try using gnome-ppp and Kppp still unable to surf the internet. Below are the information from Ubuntu/Kubuntu and Windows XP.

    Information

    ***Ubuntu/Kubuntu***
    Code:
    ~$lsusb
    Bus 005 Device 001: ID 0000:0000  
    Bus 004 Device 001: ID 0000:0000  
    Bus 003 Device 001: ID 0000:0000  
    Bus 002 Device 003: ID 15ca:00c3  
    Bus 002 Device 001: ID 0000:0000  
    Bus 001 Device 008: ID 04e8:6601 Samsung Electronics Co., Ltd Z100 Mobile Phone
    Bus 001 Device 001: ID 0000:0000
    
    ~$cat /etc/wvdial.conf
    [Dialer SingTel]
    Init1 = ATZ
    Init2 = ATQ0 V1 E1 S0=0 &C1 &D2 +FCLASS=0
    Modem Type = USB Modem
    Baud = 921600
    New PPPD = yes
    Modem = /dev/ttyACM0
    ISDN = 0
    Phone = *99**1*1#
    Password = ''
    Username = '65IDEAS'
    Carrier Check = no
    Stupid Mode = on
    
    ~$egrep -v '#|^ *$' /etc/ppp/options
    asyncmap 0
    noauth
    crtscts
    lock
    hide-password
    modem
    proxyarp
    noipx
    replacedefaultroute
    
    ~$sudo wvdial SingTel
    SingTel 
    --> WvDial: Internet dialer version 1.60
    --> 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*99**1*1#
    --> Waiting for carrier.
    CONNECT 7200000
    --> Carrier detected.  Starting PPP immediately.
    --> Starting pppd at Mon Jun 16 20:26:07 2008
    --> Pid of pppd: 15697
    --> Using interface ppp0
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    --> local  IP address 10.111.18.25
    --> pppd: (©[06][08]»©[06][08]
    --> remote IP address 10.64.64.64
    --> pppd: (©[06][08]»©[06][08]
    --> primary   DNS address 165.21.100.88
    --> pppd: (©[06][08]»©[06][08]
    --> secondary DNS address 165.21.83.88
    --> pppd: (©[06][08]»©[06][08]
    --> pppd: (©[06][08]»©[06][08]
    
    ~$ifconfig
    ppp0      Link encap:Point-to-Point Protocol  
              inet addr:10.111.18.25  P-t-P:10.64.64.64  Mask:255.255.255.255
              UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
              RX packets:18 errors:4 dropped:0 overruns:0 frame:0
              TX packets:22 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:3 
              RX bytes:1311 (1.2 KB)  TX bytes:2191 (2.1 KB)
    
    ~$tracepath www.google.com
    1:  10.111.18.25 (10.111.18.25)                            0.205ms pmtu 1500
     1:  10.110.0.1 (10.110.0.1)                              289.168ms asymm  2 
     1:  10.110.0.1 (10.110.0.1)                              297.388ms asymm  2 
     2:  10.110.0.12 (10.110.0.12)                            287.724ms 
     3:  no reply
     4:  165.21.95.150 (165.21.95.150)                        286.606ms 
     5:  GE-1-1-0.bishan.singnet.com.sg (165.21.12.36)        316.049ms asymm  7 
     6:  203.208.192.221 (203.208.192.221)                    288.931ms asymm  8 
     7:  ge-1-0-0-0.sngtp-dr1.ix.singtel.com (203.208.173.133) 319.022ms asymm  9 
     8:  no reply
     9:  no reply
    10:  no reply
    11:  no reply
    12:  no reply
    13:  no reply
    14:  no reply
    15:  no reply
    16:  no reply
    17:  no reply
    18:  no reply
    19:  no reply
    20:  no reply
    21:  no reply
    22:  no reply
    23:  no reply
    24:  no reply
    25:  no reply
    26:  no reply
    27:  no reply
    28:  no reply
    29:  no reply
    30:  no reply
    31:  no reply
         Too many hops: pmtu 1500
         Resume: pmtu 1500
    ***Windows XP***
    Code:
    >ipconfig
    PPP adapter Z800 RAS Connection:
    
            Connection-specific DNS Suffix  . :
            Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
            Physical Address. . . . . . . . . : 00-53-45-00-00-00
            Dhcp Enabled. . . . . . . . . . . : No
            IP Address. . . . . . . . . . . . : 10.111.2.207
            Subnet Mask . . . . . . . . . . . : 255.255.255.255
            Default Gateway . . . . . . . . . : 10.111.2.207
            DNS Servers . . . . . . . . . . . : 165.21.100.88
                                                165.21.83.88
            Primary WINS Server . . . . . . . : 10.11.12.13
            Secondary WINS Server . . . . . . : 10.11.12.14
            NetBIOS over Tcpip. . . . . . . . : Disabled
    
    >tracert www.google.com
    Tracing route to www.l.google.com [209.85.175.104]
    over a maximum of 30 hops:
    
      1   622 ms   119 ms   129 ms  10.110.0.1
      2    90 ms   109 ms    99 ms  10.110.0.12
      3    98 ms     *        *     58.185.62.109
      4    99 ms    99 ms   110 ms  165.21.95.150
      5    93 ms    99 ms   109 ms  GE-0-1-0.bishan.singnet.com.sg [165.21.12.100]
      6    82 ms    99 ms    99 ms  203.208.192.221
      7    85 ms    99 ms   119 ms  ge-0-0-0-0.sngtp-dr1.ix.singtel.com [203.208.149.78]
      8    92 ms    99 ms    99 ms  203.208.169.34
      9    79 ms   129 ms   109 ms  209.85.254.166
     10   138 ms   149 ms   159 ms  209.85.241.221
     11   150 ms   159 ms   159 ms  209.85.250.101
     12   149 ms   199 ms   169 ms  209.85.252.65
     13   141 ms   149 ms   159 ms  tc-in-f104.google.com [209.85.175.104]
    
    Trace complete.
    BroadbandOnMobile01.JPG
    Windows XP HSDPA Connection Manager info

    BroadbandOnMobile02.JPG
    Windows XP HSDPA Connection Manager info

    BroadbandOnMobile03.JPG
    Windows XP Modem Configuration

    BroadbandOnMobile04.JPG
    Windows XP Advanced Security Settings

    Any pointers?

    Though I can live without 3G broadband for Ubuntu/Kubuntu, I am pissed at stumbling in what seems to be the last hurdle. It will bring me great satisfaction in solving this obstacle. Thanks in advance!
    Last edited by estanlow; June 18th, 2008 at 03:21 AM.

  2. #2
    Join Date
    May 2007
    Beans
    4

    Re: 3G mobile Broadband connected but cannot surf

    Well, the issue seems to be solved for unknown reasons. Thanks guys and gals for taking the time to read my post.

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