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Thread: OpenSuSE and mobile broadband HUAWEI E1756C connect but do not surf

  1. #1

    Unhappy OpenSuSE and mobile broadband HUAWEI E1756C connect but do not surf

    Hi, I am trying to use the HUAWEI E1756C USB stick to connect to the internet.
    Installing usb_modeswitch and usb_modeswitch-data allowed networkmanager to "recognize" the stick and set up a mobile broadband connection.

    The result is that NM succeeded in connecting (one of every five attempts) but firefox does not surf, nor emails can be downloaded etc. Just like if not being connected. The USB modem shows the steady blue LED as connected.

    A NM issue? I have tried disabling NM control and tried with PPP clients like NMTSMON, wvdial and even Sakis3g. All with the same results. They seem to connect and show flux up and downloaded but no surfing.

    resolf.conf shows is pretty much empty and no DNS there.

    The working settings in Window$ are:
    Dial: *99#
    APN: imovil.entelpcs.cl
    User: entelpcs
    pass: entelpcs
    Auth: chap (which in fora they suggest to change by PAP, but with same result)
    Type: prefer 3G (lowering to GMS does not solve the issue in Linux)
    DNS, Wins, IP: dynamic (so no hope by making them static in some conf file)

    Same settings with Sakis3G, or NMTSMON or NM result in connection with no action from applications that use the internet.

    I have had a similar issue with WLAN each time I change to a different network. I solve that by forcing to update the DHCP. I mean using -su dhcpd wlan0

    But attempts like dhcpcd ttyUSB0 or dhcpcd ttyS0 get the same result.
    So no idea if this is an DHCP, or DNS or another issue.

    My box is an ASUS EEEPC 2005H netbook with OpenSuSE 11.2 and KDE
    any hint on where to look?

    thanks alot!

  2. #2
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    Default Re: OpenSuSE and mobile broadband HUAWEI E1756C connect but do not surf

    This post was in the wrong hardware area of our forum and has been now moved to the wireless area of our forum.

    It is open now for all users to post and reply.

    In the mean time, while waiting for a reply to the thread, gpsanino please take a look at the stickies on our wireless forum which are a wealth of helpful information: Wireless
    Last edited by oldcpu; 20-Feb-2011 at 09:42.

  3. #3
    Join Date
    Mar 2008
    Location
    Phuket, Thailand
    Posts
    26,593
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    Default Re: OpenSuSE and mobile broadband HUAWEI E1756C connect but do not surf

    Quote Originally Posted by gpsanino View Post
    Hi, I am trying to use the HUAWEI E1756C USB stick to connect to the internet.
    Installing usb_modeswitch and usb_modeswitch-data allowed networkmanager to "recognize" the stick and set up a mobile broadband connection.

    The result is that NM succeeded in connecting (one of every five attempts) but firefox does not surf, nor emails can be downloaded etc. Just like if not being connected. The USB modem shows the steady blue LED as connected.

    A NM issue? I have tried disabling NM control and tried with PPP clients like NMTSMON, wvdial and even Sakis3g. All with the same results. They seem to connect and show flux up and downloaded but no surfing.

    resolf.conf shows is pretty much empty and no DNS there.

    The working settings in Window$ are:
    Dial: *99#
    APN: imovil.entelpcs.cl
    User: entelpcs
    pass: entelpcs
    Auth: chap (which in fora they suggest to change by PAP, but with same result)
    Type: prefer 3G (lowering to GMS does not solve the issue in Linux)
    DNS, Wins, IP: dynamic (so no hope by making them static in some conf file)

    Same settings with Sakis3G, or NMTSMON or NM result in connection with no action from applications that use the internet.

    I have had a similar issue with WLAN each time I change to a different network. I solve that by forcing to update the DHCP. I mean using -su dhcpd wlan0

    But attempts like dhcpcd ttyUSB0 or dhcpcd ttyS0 get the same result.
    So no idea if this is an DHCP, or DNS or another issue.

    My box is an ASUS EEEPC 2005H netbook with OpenSuSE 11.2 and KDE
    any hint on where to look?

    thanks alot!
    This thread has now been moved from the inappropriate hardware section to the more appropriate
    wireless subforum area of our forum.

    Both NNTP and WEB users are invited to post and offer help.

    Thankyou for your understanding during the move.

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