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Re: [lwip-users] PPP no IP address assigned

From: Patrick Klos
Subject: Re: [lwip-users] PPP no IP address assigned
Date: Wed, 1 Apr 2015 15:56:18 -0400
User-agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

On 4/1/2015 2:47 AM, Michael Waeber wrote:
Hi all

I try to integrate PPP with a GPRS modem in our system. lwIP works well
for ethernet in our system since 3 years. Since PPP is currently
actively developed I've upgraded from 1.4.1 to current Master

The modem is connected to GPRS, then the PPP session is started. The
communication parameters are negotiated successfully (LCP). The
authentication is OK: Login OK. Now lwIP sends a Configuration request

ff 03 80 21 01 01 00 16 03 06 00 00 00 00 81 06 00 00 00 00 83 06 00 00
00 00 6e db 7e

May I ask exactly what the LCP negotiations looked like? What options were negotiated? If nothing else, what was the ACCM set to?

Patrick Klos
Klos Technologies, Inc.

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