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Re: [lwip-users] DNS host not resolving using lwip_gethostbyname functio

From: rohanm
Subject: Re: [lwip-users] DNS host not resolving using lwip_gethostbyname function using ppp over serial
Date: Mon, 2 Mar 2015 07:29:05 -0700 (MST)


thanks for your reply.
now i start from start.

1)I am trying to implement ppp over serial using gsm modem to post data on
server .
2)till now i have done following things:

i have initialized GSM and lwip and successfully and able to receive ip
address which i have already shared in .DNS_LOG.log file.
3) once device gets ip adress, and  link is connected .calling following

Hostsent =lwip_gethostbyname("www.google.com");
if(NULL != Hostsent)
  //DNS resolved;
//DNS Not resolved.
i have put www.google.com for testing .i am trying to resolve DNS of
but i have receiving null value continuously which means device not able to
resolve ip address of www.google.com Detailed_LOG.log
i have shared detailed log with this thread  which includes ipcp link up log
and dns resolve time out issue log.
so is there any way to debug issue or i am doing something wrong...pls help

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