How to deactive IPv6 (IPv4 only) with an U-Blox SARA-U201?

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Hi all,

 

Is there any way to deactivate permanently the IPv6 support for an U-Blox SARA-U201 because by default it includes dual stack IPv4/IPv6. The problem with this is that my french provider (Bouygues Telecom) only support IPv4 only so when we try to establish a DATA connection we get an error message while using a private APN (everyhting works fine with a standard APN). I can confirm that it is not a authentication issue as the session is not established so there is Nothing coming to our authentication server which has been confirmed by the Mobile Network Operator. You can find below the AT commands that we tried to no avail as you can see:

AT+UDCONF=66,0

OK

AT+CGATT=1

OK

AT+CGDCONT=1,"IP","btsx","0.0.0.0"

OK

AT+UAUTHREQ=1,1,"riv","neo"

OK

AT+UPSD=0,7,"0.0.0.0"

OK

AT+UPSDA=0,3

ERROR

Any suggestions?

Thanks in advance.

 

Regards,

 

by Synox asked Sep 14
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0 votes
I think you are mixing external and internal context.  You need to set APN via +UPSD command and not +CGDCONT command if you try using +UPSDA command later.
by grumpy answered Sep 14
by Synox selected Sep 17
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