Hey Ivan,

yeah the ping is working properly. FYI I'm using a data card for the internet. I hope that isn't the issue.

I filtered the packet capture in 127.0.0.1 (lo) using GTP and it was able to capture GTP encapsulated DNS queries.
But like earlier there is no traffic in tap0. Any suggestions??



On Thu, May 15, 2014 at 5:38 PM, Ivan Kluchnikov <Ivan.Kluchnikov@fairwaves.ru> wrote:
are you sure that 8.8.8.8 is available?
ping -I eth0 8.8.8.8

2014-05-15 15:25 GMT+04:00 Joe Ge <jijo123789@gmail.com>:
> I captured on the tun0 interface as well.
> It's showing  the DNS queries sent from the UE IP(10.0.254.2) to the DNS
> server(8.8.8.8)
> But it's getting blocked at the GGSN or the op forwarding as I can't seen
> any reply coming back.
> It's all one way traffic
>
>
> On Thu, May 15, 2014 at 3:59 PM, Ivan Kluchnikov
> <Ivan.Kluchnikov@fairwaves.ru> wrote:
>>
>> 2014-05-15 13:52 GMT+04:00 Joe Ge <jijo123789@gmail.com>:
>> > But the wireshark trace shows that there is no packet captured for the
>> > tap0
>> > interface.
>>
>> Try to capture on tun interface.
>>
>>
>> --
>> Regards,
>> Ivan Kluchnikov.
>> http://fairwaves.ru
>
>



--
Regards,
Ivan Kluchnikov.
http://fairwaves.ru