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<p>Bill,</p>
<p>There is a myriad of reasons as to why you are experiencing audio
drop outs.</p>
<p>There are a few things to look at:</p>
<p>1. Your network the Allstarlink node is connected to. Even though
you may have more then enough bandwidth, TOS/QoS needs to be setup
on the Internet facing router in order implement a packet queuing
discipline.</p>
<p>On my home router, setting only (WAN <-> LAN hostIP) UDP
4569 as highest priority, there are zero audio drop-outs or
dropped packets, even though someone is watching youtube and
netflix, while I'm conversing with one or several others over
Allstarlink.</p>
<p><br>
</p>
<p>2. You ISP could possibly be having issues. Case in point: East
Alabama Cable has very poor network management. Running Wireshark
directly connected to the cable modem yield several thousand
packets/minute of ARP requests and other broadcast stuff.... for
network hosts NOT residing on the customer trunks.</p>
<p>Thus far, with East Alabama Cable, we experience anywhere between
5 to 17% packet loss regardless of time of day, night, and wee
hours of the morning.</p>
<p>I have WoW at home, and I *may* see one or two packets dropped
out of several thousand... even with the kids watching their junk
on the internet.</p>
<p><br>
</p>
<p>3. Another possibility is the USB host I/O chip on you computer.
Real-time USB audio is minorly CPU intensive, and if the machine
is running a lot of tasks, you may need to adjust the 'nice'
levels, give the audio related processes, and asterisk, a higher
priority. And honestly, some computers, usually those with RealTek
USB host controllers, are more problematic than others.<br>
</p>
<p>.......<br>
The registry re-requests, while annoying to see, is your
Allstarlink box telling the Allstarlink register server your node
number(s) are alive, and made available for connections. The
register process is also the authentication of the Allstarlink
server to allow your node to make outbound connections(calls).<br>
</p>
<p><br>
</p>
<p>~Benjamin, KB9LFZ<br>
</p>
<br>
<div class="moz-cite-prefix">On 03/22/2017 12:17 PM, William Higgins
wrote:<br>
</div>
<blockquote
cite="mid:CAFXGy69w_mUVR+kAJjwchdLW3XW=FFAec-04_S4tsPWeJvysqA@mail.gmail.com"
type="cite">
<div dir="ltr">
<div><span style="font-size:12.8px">Steve,</span></div>
<div><span style="font-size:12.8px"><br>
</span></div>
<div><span style="font-size:12.8px">I have felt that it was ok.
I seem to be able to get to it remotely via SSH at will and
I have not noticed any loss of SNMP data.</span></div>
<div><span style="font-size:12.8px"><br>
</span></div>
<div><span style="font-size:12.8px">One more interesting note.
I took a look at my simplex multinode (43758 and 43936) here
at my QTH and it's doing exactly the same thing. That
system is a mini ITX PC based DIAL system. The only things
these two systems have in common are: 1.) I was the
builder, 2.) they're both using RIM LITE style interfaces,
and 3.) they are both behind NAT routers (with the
appropriate ports forwarded of course).</span></div>
<div><span style="font-size:12.8px"><br>
</span></div>
<div><span style="font-size:12.8px">Bill</span></div>
<span style="font-size:12.8px">
<div><span style="font-size:12.8px"><br>
</span></div>
<div><span style="font-size:12.8px"><br>
</span></div>
>William,</span><br style="font-size:12.8px">
<span style="font-size:12.8px">>Have you verified good
connectivity from your node to the net? I am</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">>watching the reregistration
server now to see I can catch any hints.</span><br
style="font-size:12.8px">
><br style="font-size:12.8px">
<span style="font-size:12.8px">>73, Steve</span><br
style="font-size:12.8px">
><br style="font-size:12.8px">
<span style="font-size:12.8px">>On 03/21/2017 05:52 PM,
William Higgins wrote:</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> Still on a quest to find out
why my repeater node is behaving badly</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> re: audio dropouts, I
decided to look with more depth at the events in</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> asterisk.</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> I set verbose level to 6 and
saw this recurring pattern.</span><br style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> A section of the log output
to the console follows:</span><br style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:36:58]
WARNING[818]: chan_iax2.c:10127 iax2_do_register:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: Sending
registration request for '44011'</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:37:00]
WARNING[822]: chan_iax2.c:7690 registry_rerequest:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: registry
rereqquest</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:37:50]
WARNING[815]: chan_iax2.c:10127 iax2_do_register:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: Sending
registration request for '44011'</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:37:52]
WARNING[818]: chan_iax2.c:7690 registry_rerequest:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: registry
rereqquest</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> -- Received OK from
Echolink server </span><a moz-do-not-send="true"
href="http://nawest.echolink.org/" rel="noreferrer"
target="_blank" style="font-size:12.8px">nawest.echolink.org</a><br
style="font-size:12.8px">
<span style="font-size:12.8px">> <</span><a
moz-do-not-send="true" href="http://nawest.echolink.org/"
rel="noreferrer" target="_blank" style="font-size:12.8px">http://nawest.echolink.org/</a><span
style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> -- Received OK from
Echolink server </span><a moz-do-not-send="true"
href="http://nawest.echolink.org/" rel="noreferrer"
target="_blank" style="font-size:12.8px">nawest.echolink.org</a><br
style="font-size:12.8px">
<span style="font-size:12.8px">> <</span><a
moz-do-not-send="true" href="http://nawest.echolink.org/"
rel="noreferrer" target="_blank" style="font-size:12.8px">http://nawest.echolink.org/</a><span
style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> -- Directory pgm done
downloading(partial,</span><wbr style="font-size:12.8px"><span
style="font-size:12.8px">compressed), 394 records</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:38:42]
WARNING[819]: chan_iax2.c:10127 iax2_do_register:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: Sending
registration request for '44011'</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:38:44]
WARNING[815]: chan_iax2.c:7690 registry_rerequest:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: registry
rereqquest</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:39:34]
WARNING[816]: chan_iax2.c:10127 iax2_do_register:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: Sending
registration request for '44011'</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> [Mar 21 16:39:36]
WARNING[819]: chan_iax2.c:7690 registry_rerequest:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> REGISTER-LOG: registry
rereqquest</span><br style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> After looking at it for a
while, I noticed that the time delta between</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> the "registry rerequests"
and the following "do_register" is exactly</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> 50 seconds. Is this
normal? Does it really need to re-register that</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> often or does it indicate a
network problem with the Rpi's connection</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> to the outside world?</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> My configuration again is:</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Raspberry Pi 3 with DIAL
RAT_RC1.img</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> Repeater Builder RB-USB Rim
Lite Interface</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> Vertex VXR-7000 Repeater</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Metallic case for the Pi</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Modular connectors and Cat-7
cable for the interface with snap-on</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> chokes at both ends</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Pi is connected to the local
network via Wifi (We are prepared to move</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> this to Ethernet, but need
approval of the host to do so)</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Pi is connected to an
external server via OpenVPN for collection of</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> mgmt. statistics via SNMP</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Pi also runs Apache2 and
Allmon2</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> Echolink is enabled (Node
746074)</span><br style="font-size:12.8px">
<span style="font-size:12.8px">> AllStarLink of course (Node
44011)</span><br style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Thanks for any insight you
might be able to lend!</span><br style="font-size:12.8px">
<span style="font-size:12.8px">></span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> Bill Higgins</span><br
style="font-size:12.8px">
<span style="font-size:12.8px">> N0NOE</span><br>
</div>
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