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Neels Hofmeyr nhofmeyr at sysmocom.deOn Wed, Jul 12, 2017 at 04:18:21PM -0300, Marcus Dias wrote: > When I look into the pcu running configuration I > see that there is a different configuration from the starting one ( no > egprs ), is this normal? I changed it to egprs. Sorry, I don't follow. I don't see egprs anywhere in your config. I'm also not familiar with egprs really, but AFAIK you don't configure that in the PCU but in the NITB config? In my ggsn.conf, I use 'net' and no 'dynip'. This should be sufficient: listen 127.0.0.2 net 192.168.42.0/24 pcodns1 8.8.8.8 > Another issue that I faced > yesterday, was that I could connect my phone to the network (this one time, > today I was trying to connect but it didnt connected), Are you able to connect or not? Is it not reproducible? > and the symbol of > GPRS appeared, but couldnt make a ping to 8.8.8.8 for example, even after > doing the nat masquerade thing. The "thing" is enable forwarding and masquerading for the appropriate ethernet interface. Did you do both? sudo sh -c "echo 1 > /proc/sys/net/ipv4/ip_forward" sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > I see in the vty sgsn that my phone does several routing area update, but > does not connect. what it could be? It's impossible to guess from over here what is going on in your setup. You need to be more specific: Log output? Actual commands? Pcaps? Maybe with those someone here can see a solution. (in text form, no image screenshots please) ~N -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20170713/7d312d47/attachment.bin>