Hi Prasad,
It's good to know you are able to compile everything and make GSM voice calls with mobiles.
Regarding to GTP tunnel, I am guiding you to Osmocom GPRS wiki URL below for more information
http://openbsc.osmocom.org/trac/wiki/OpenBSC_GPRS
Regards,
Minh-Quang Nguyen
Concepteur logiciel | Software designer GSM/Network
T. 418 914-7484 x2296 | 1 855 914-7484 | F. 418 914-9477 2150, Cyrille-Duquet, Québec (Québec) G1N 2G3 CANADA
minh-quang.nguyen@nutaq.com www.nutaq.com
QUEBEC MONTREAL NEW YORK
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-----Original Message----- From: Prasad Kaup [mailto:Prasad.Kaup@radisys.com] Sent: Friday, April 01, 2016 11:15 AM To: Minh-Quang Nguyen; Neels Hofmeyr; osmocom-net-gprs@lists.osmocom.org Cc: Saurabh Sharan; Yves Godin Subject: RE: Regarding integration of NURAN L1 1.0
Hi Minh-Quang Nguyen, We are able to connect and make GSM voice calls with mobiles. We are also able to attach and activate PDP context in case of GPRS. We are trying to configure the setup for GPRS connectivity towards internet. We understand that iptables needs to be configured for external connectivity. Can you let us know some more details of configuration to enable external connectivity from GGSN and "tun0" interface ?
Regards Prasad