[arm-allstar] Split site repeater

Doug Crompton wa3dsp at gmail.com
Sun Sep 24 01:34:16 EST 2017


Thanks.  I wish we could get ARDEN working here. You guys are flat! We have
lots of hills and valleys and lots of vegetation - big trees! I
experimented with it using many Ubiquiti options - 900, 2.4, 20 dbi, etc.
and gave up. We would need a cooperating ham every square mile or less and
that just is not happening.


On Sun, Sep 24, 2017 at 1:38 AM, "David via arm-allstar" <
arm-allstar at hamvoip.org> wrote:

> Great synopsis. I setup two private Allstar Nodes today, over AREDN, as a
> repeater link. To bad I did not see this earlier, would of saved me some
> time.
> I am going to steal this writeup for our Allstar/AREDN discussion at Paris
> on Oct 14 for MTC's big annual event for NCTC.info system.
> Thanks Doug
> David KG5RDFNCTC.info
> -------- Original message --------From: Doug Crompton via arm-allstar <
> arm-allstar at hamvoip.org> Date: 9/24/17  12:03 AM  (GMT-06:00) To: ARM
> Allstar <arm-allstar at hamvoip.org> Cc: Doug Crompton <wa3dsp at gmail.com>
> Subject: Re: [arm-allstar] Split site repeater
> Glenn,
>   As long as you have static or reserved DHCP IP's on both link ends it is
> easy. You can set them up as private nodes. Lets say one was 1500 and the
> other 1501. They do not need to be registered (no registration lines in
> iax.conf)  but you do need to put routing information in the [nodes] stanza
> of rpt.conf with IP addresses and ports pointing back to each other. You
> also do not do any status updates on either node as this would be
> meaningless. The rc.updatenodelist file could be disabled - comment in
> /usr/local/etc/rc.allstar and the astdb daily cron update could be
> commented in crontab. Once that is setup you should be able to connect
> between them. I would use a *73 permanent connect. It probably does not
> matter which end initiates the connect whatever is most convenient for you.
> You also should setup a startup_macro at the connection end so it connects
> automatically at boot.
> Understand that private unregistered nodes can only connect to other nodes
> that they have specific routing information for and that have specific
> routing information back to them. In this case they would be very secure
> because not only are they unregistered they also are on a private network.
> They could only connect to each other.
> This howto explains the [nodes] setup. It would be the same for private
> nodes. Just use the correct IP and port for the server you are connecting
> to.
> https://www.hamvoip.org/multi-server%20howto.pdf
> Note since these are private servers no setup at allstarlink.org is
> needed.
> You select the IAX ports you want in iax.conf - bindport=   You can use any
> port you want. Pick some high 5 digit port to avoid any conflict with other
> Allstar servers. Something like 40000 40001   Just make sure you specify
> the port in the routing info  IP:port  -
> If you want to then connect to the Allstar network add another Pi with a
> registered node and connect when you want Allstar traffic. Specific routing
> in the [nodes] stanza of rpt.conf would be needed between them.
> It is also important to have stable power. Pi's don't like to be power
> cycled quickly and that can sometimes happen on the power grid. A small UPS
> or battery backup would work fine. Some people run them on the car adapters
> 12V to 5V 3A and then you could parallel a battery with diode isolation and
> a charge circuit.
> I hope this addresses you question but it is a little more complex
> installation so if you don't understand something please let me know.
> *73 Doug*
> *WA3DSP*
> *http://www.crompton.com/hamradio
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