Re: Mobile Broadband - High speed or 1X

[Dan Williams <dcbw redhat com>]

On Fri, 2011-08-26 at 03:12 +0530, elison niven gmail com wrote:
> 
> 
> On Fri, Aug 26, 2011 at 1:54 AM, Dan Williams <dcbw redhat com> wrote:
>         On Sun, 2011-08-21 at 01:50 +0530, elison niven gmail com
>         wrote:
>         > Hi list,
>         >
>         > I had called my Mobile broadband provider Reliance to file a
>         complaint
>         > against the speed issues I am having with my internet
>         connection. I am
>         > having a 3.1 Mbps connection but end up getting about 0.1
>         Mbps at
>         > times.
>         
>         
>         Could be the device, or it could be that a ton of people are
>         in your
>         sector/tower using data at the same time
>         
>         > The first question the customer care guys ask is that in
>         what mode is
>         > your device currently connected - High speed or CDMA 1X?
>         > Apparently, Folks at Reliance give away their own dialer to
>         connect to
>         > Internet in Windows and that software shows the current mode
>         of the
>         > connection.
>         >
>         > So I tell the customer care guy that I am using Linux
>         (Fedora 15,
>         > Gnome 3) and I do not know what connection mode is being
>         used. So they
>         > tell me to please check in some other Windows based system.
>         I know it
>         > is insane but one can't argue with a non-tech customer care
>         guy on
>         > such issues. They talk to me as if the problem is in my
>         Linux system -
>         > It is selecting the low speed mode.
>         >
>         > Is there any way to find out which mode is getting selected
>         - 1X or
>         > High speed? The device in use in Huawei EC1260.
>         
>         
>         It should be handled by ModemManager and NetworkManager in
>         Fedora 15
>         already; it appears that MM is not able to find a second port
>         to query
>         for the current access technology (ie EVDO vs. 1X).  Here are
>         some steps
>         you can do to help isolate the issue:
>         
>         in a root terminal:
>         
>         1) mv /usr/sbin/modem-manager /
>         2) killall -TERM modem-manager
>         3) /modem-manager --debug
>         4) connect, wait 30 seconds or so, and copy the output from
>         the terminal
>         running modem-manager into a reply to this mail
>         
>         To get back:
>         1) Ctrl+C to kill modem-manager
>         2) mv /modem-manager /usr/sbin/modem-manager
>         
>         and you should be good.
>         
>         Dan
>         
>         > Can I send some AT commands to ttyUSB0 to check? Could you
>         please help
>         > me with this?
>         >
>         > Also I do not get a signal strength indication in the
>         NetworkManager
>         > icon. I get four bars but no color. Is this by design?
>         >
>         > Thanks,
>         > Elison
>         
>         > _______________________________________________
>         > networkmanager-list mailing list
>         > networkmanager-list gnome org
>         > http://mail.gnome.org/mailman/listinfo/networkmanager-list
>         
>         
> Hi,
> I work at a city 100 Km from my home and face the problem at home
> only. I go home only on weekends so will send you the output this
> weekend.
> 
> 
> Can I just replace the binary modem-manager with a simple script and
> rename it to modem-manager?
> 
> 
> 0) cd /usr/sbin
> 1) mv modem-manager orig.modem-manager
> 2) Create a script /usr/sbin/modem-manager :
> #!/bin/bash
> ./orig.modem-manager --debug $* > /home/username/modem.log
> 

Sure, that works too.

Dan