[arm-allstar] Multiple nodes on network using OVPN

[Mike Sullivan]

Appreciate the input Glen. I've done the calculations on Ubiquiti's Link
software, both links are line of sight to each other (us to their tower 1,
and tower 1 to tower 2) so we will definitely be looking at a point to
point link, as getting individual internet access will be too expensive. My
goal is to have Tower 1 as the outward node to the internet, and have Tower
2 connected over LAN so they are always linked even in the event of
internet failure. I am even exploring using AREDN firmware for them, in the
godo spirit of ham radio and such. Those two would also be connected over
the internet to Tower 3, which is located downtown and is not line of sight
to either tower. All three sites use CAT hardware controllers (which I
absolutely despise, but the club will not change them nor remove them, so
using Hamvoip as a controller is out of the question Doug.. sorry :-) )

Mike

On Sat, Aug 24, 2019 at 1:09 PM "Glenn Morgon via ARM-allstar" <
arm-allstar at hamvoip.org> wrote:

> If your Ubiquity link is all part of the same subnet as your public IP
> facing router is then simply assign each node it's own port in the
> iax.conf. Each port is simply forwarded from the router's head end, easy
> peasy. If you are going to have the Ubiquity on its own subnet from the
> router and the Ubiquity will handle routing for that subnet then you'll
> need to cascade the port forwards from your public facing IP router through
> the Ubiquity.  If all you have is a couple of devices, probably easiest to
> go with the former method.
>
> As far as connecting the two nodes located at the same location a hard wire
> CAT5 would be best if conditions allow for it, try to avoid using wifi if
> possible.  If you are talking about linking sites on separate mountains
> linking with Ubiquity equipment then simply bridging the Ubiquity devices
> will put them effectively on the same subnet.  Depending on topography you
> may be able to link the two mountains on the same Ubiquity AP radio at the
> router end, or you can have a single Ubiquity link between the mountains.
> There's pros and cons to each method.
>
> For linking two nodes together on the same subnet, simply add each of the
> node's local IP address information to the [nodes] section of each other's
> rpt.conf file.  I do just this in my environment where I have two nodes on
> the same subnet.  Here's an example of what I've done, using two nodes,
> 46000 that lives on local IP address 192.168.1.98 and 47000 that lives on
> local IP address of 192.168.1.97  as examples:
>
> in the [nodes] section of 46000's rpt.conf file
> 47000 = radio at 192.168.1.97:4572/47000,NONE
>
> in the [nodes] section of 47000's rpt.conf file
> 46000 = radio at 192.168.1.98:4569/46000,NONE
>
> The format, broken down, is simply: <remote node #> = radio@<remote node
> IP>:<assigned port>/<remote node #>,NONE
>
> By adding these definitions it avoids having the router do a hairpin
> loop-back (which some routers may be less than optimal in performing) and
> more importantly limits network traffic/overhead especially if these
> devices are on the far end of a Ubiquity link.
>
> Glenn
> N8HC
>
>
>
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> On Fri, Aug 23, 2019 at 6:29 PM "Mike Sullivan via ARM-allstar" <
> arm-allstar at hamvoip.org> wrote:
>
> > I am building a Ubiquiti link to another club’s tower to set them up on
> > Allstar, they have two 2 meter sites that will eventually be linked
> locally
> > using Allstar, plus over the internet to a third site downtown. Since
> they
> > will be sharing an internet connection with our node which is using
> 4569, I
> > plan on running them through their own OpenVPN server. Since I’ll be
> > routing them to OVPN, will I need to change Iax ports or will I be okay
> to
> > leave as default?
> >
> > Also, any advice on linking two tower sites with Allstar over a local
> > network would be appreciated.
> >
> > Mike
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