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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Once I tuned to FALCONSAT with my D710G interal modem, and using PuTTY, I did learn that at least that TNC only passes along UI packets and APRS packets. This is NOT the flood I thought I would see. It is only a packet every few seconds. No problem for Igating to the APRS-IS.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Of course, the RF channel is still a 100% stream of AX.25 data carrying the BBS file data, it does not seem to be picked up by the TNC presumably due to the difference in their PID’s.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">I just do not know if all TNC’s inherently only pass the F0 PID or just some of them.</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">But there is a packet every minute or so that is gyberish and locks up PuTTY. At least a few times per pass. That might be a problem for most IGates?</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Bob, WB4APR</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Kenneth Finnegan [mailto:<a href="mailto:kennethfinnegan2007@gmail.com">kennethfinnegan2007@gmail.com</a>] <br><b>Sent:</b> Tuesday, October 03, 2017 12:40 PM<br><b>To:</b> Robert Bruninga<br><b>Cc:</b> TAPR APRS Mailing List<br><b>Subject:</b> I-gates filtering on PID</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">On Tue, Oct 3, 2017 at 6:41 AM, Robert Bruninga <<a href="mailto:bruninga@usna.edu" target="_blank">bruninga@usna.edu</a>> wrote:</p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><div><div><div><div><p class="MsoNormal">Since the BBS packets use a different PID I don't think you can see them through a normal IGate </p></div></div></div></div></div></div></blockquote><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">I was actually just discussing this with Hessu a few weeks ago as to whether this was a valid assumption or not. I know that at least in Aprx we don't perform any filtering based on PID. Should we be?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">There has not been a clear mandate for I-gate software to filter on the PID, so I wouldn't be surprised if that feature is rare.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal"> </p></div><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><div><div><div><div><p class="MsoNormal">and it would flood the APRS-IS..</p></div></div></div></div></div></div></blockquote><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">So what? Any APRS-IS servers which have difficulty handling an additional 9600bps on their -IS stream have no business being an APRS-IS server. Worst case this thins the herd and we no longer have such an overkill of APRS-IS servers.</p></div><div><p class="MsoNormal"><br clear="all"></p><div><div><p class="MsoNormal">--<br>Kenneth Finnegan, W6KWF<br><a href="http://blog.thelifeofkenneth.com/" target="_blank">http://blog.thelifeofkenneth.com/</a></p></div></div><div><p class="MsoNormal"> </p></div></div></div></div></body></html>