UMTS-Stick on nano3G?

historical

        Hallo,

unfortunately I have very limited time during the next days, but I can do further testing on friday and will provide you with the pcap- and logfiles.

        greetings,

                Andreas  

On Mon, Apr 03, 2017 at 03:29:56PM +0200, Andreas Schultz wrote:
> Hi Andreas,
> 
> Could you provide a pcap of the Create PDP Request and Response exchange between
> SGSN and GGSN?
> 
> Regards
> Andreas
> 
> ----- On Apr 3, 2017, at 7:50 AM, Andreas Mueller andreas.mueller at criticallabs.org wrote:
> 
> > Hello,
> > 
> > I tried to use a Huawei E1823 UMTS-Stick on a debian8-laptop with wvdial and
> > pppd to connect to a nano3G for getting an IP/Internet-connection via
> > UMTS/HSDPA.
> > The setup is mainly as described on
> > http://osmocom.org/projects/cellular-infrastructure/wiki/Getting_Started_with_3G.
> > 
> > When using an android-Smartphone with the same configuration of the ggsn and the
> > other components the IP/Internet-connection is working.
> > 
> > After pppd is started from wvdial it receives his local IP-address from the "net
> > 192.168.99.0/24" parameter of ggsn.conf and also the configured DNS-Server, but
> > no remote-IP, so 10.64.64.64 is used by pppd as a default value:
> > 
> > ...
> > --> local  IP address 192.168.99.5
> > --> pppd: ï¿½[7f]
> > --> remote IP address 10.64.64.64
> > --> pppd: ï¿½[7f]
> > --> primary   DNS address 8.8.8.8
> > --> pppd: ï¿½[7f]
> > 
> > ..which results in an unusable ppp0-device:
> > ppp0      Link encap:Point-to-Point Protocol
> >          inet addr:192.168.99.5  P-t-P:10.64.64.64  Mask:255.255.255.255
> >          UP POINTOPOINT RUNNING NOARP MULTICAST  MTU:1500  Metric:1
> > 
> > 
> > Has anybody successfully used an UMTS-Stick with ggsn?
> > How can I tell ggsn to send his IP-Adress, which can be used by pppd as "remote
> > IP address"?
> > Are there special options for pppd which I have to use?
> > 
> > 
> >        thanks and greetings,
> > 
> >                 Andreas