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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">libqmi has performed fantastically with the EM7455. Using the typical ‘qmi-network start’ and then a dhcp client to get an address works pretty seamlessly.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">My problem is that I have been asked to eval the EM7411 and I cannot get DHCP to resolve and traffic is only coming from the interface, not to it. This is the general steps:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Start qmi-network successfully and confirm the network IP address with --wds-get-current-settings<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Perform DHCP on the ‘wwan0’ interface and fail<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Manually set the wwan0 interface IP to that returned by wds-get-current-settings<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l0 level1 lfo1">Can see pings comes through the interface, but do not see them or any other traffic coming from it<o:p></o:p></li></ol>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">ON THE EM7411 DEVICE<o:p></o:p></p>
<p class="MsoNormal">tcpdump: verbose output suppressed, use -v or -vv for full protocol decode<o:p></o:p></p>
<p class="MsoNormal">listening on wwan0, link-type RAW (Raw IP), capture size 262144 bytes<o:p></o:p></p>
<p class="MsoNormal">09:23:18.783894 IP 10.222.3.169 > 10.222.9.147: ICMP echo request, id 27414, seq 36, length 64<o:p></o:p></p>
<p class="MsoNormal">09:23:18.784106 IP 10.222.9.147 > 10.222.3.169: ICMP echo reply, id 27414, seq 36, length 64<o:p></o:p></p>
<p class="MsoNormal">09:23:19.742704 IP 10.222.3.169 > 10.222.9.147: ICMP echo request, id 27414, seq 37, length 64<o:p></o:p></p>
<p class="MsoNormal">09:23:19.742915 IP 10.222.9.147 > 10.222.3.169: ICMP echo reply, id 27414, seq 37, length 64<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">TO THE EM7511 DEVICE<o:p></o:p></p>
<p class="MsoNormal">listening on wwan0, link-type RAW (Raw IP), capture size 262144 bytes<o:p></o:p></p>
<p class="MsoNormal">21:09:33.866587 IP 10.222.3.169 > 10.222.9.147: ICMP echo request, id 27414, seq 333, length 64<o:p></o:p></p>
<p class="MsoNormal">21:09:34.870089 IP 10.222.3.169 > 10.222.9.147: ICMP echo request, id 27414, seq 334, length 64<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone have a clue what could be causing this issue? <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">-Liam <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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