[WT-support] wtDXTelnet - double spots

[Bob Wilson, N6TV]

On Sat, Aug 13, 2022 at 12:32 PM HA3LN <list at ha3ln.hu> wrote:

> In case I have LAN connected and Wifi disabled only single spots are sent.
>

Good.


> What happens in case I'm connected via Wifi only so  no LAN cable
> connected?


Spots are sent via all connected LAN ports to the "Broadcast" address
specified in Win-Test Interface Configuration, e.g. 192.168.1.255.  If your
WiFi IP address and Ethernet IP address are all on the same subnet (e.g.,
both start with 192.168.1.), then the spots are sent to both.

The LAN needs to be disabled as well to avoid duplicated spots?
>

Yes, only connect to the Router via WiFi or via Ethernet, not both.


> I got feedback's in some cases I send double spots in this scenario.
>

You can see double spots if more than one PC on the entire LAN is running
wtDxTelnet, or the PC is only connecting via both LAN and WiFi.  You can
have many PCs on the LAN running Win-Test, using Ethernet or WiFi
connections (though Ethernet works best because WiFi broadcast packets can
get lost), but you should only have wtDxTelnet running on one computer,
unless you need to connect to multiple cluster nodes.


> Important to add, in case of WiFi only connected, I can see only single
> spots are sent.


Good.


> (Originally I could see the double commands sent so that was obvious).
>


> Any idea about the reasons?
>

See above.

73,
Bob, N6TV

If you have a PC on the LAN with both a WiFi and Ethernet connection to the
> same Router, you will get duplicate spots.  Solution is to disable WiFi if
> Ethernet is connected.
>
> 73,
> Bob, N6TV
>
> On Sun, Jun 19, 2022 at 1:22 AM HA3LN <list at ha3ln.hu> wrote:
>
>  > Hi,
>  >
>  > Just got a feedback that I send the same spots twice almost all the
>  > time. I see this symptom only from time to time but for sure not always.
>  >
>  > There is 2x instance of wtDXtelnet running. 1 for skimmer telnet server
>  > and 1x for classic DX cluster. Each has its own "wtDxTelnet.ini" config
>  > files.
>  >
>  > Both instance have the same networking config too. I suspect this might
>  > be the reason for the double spots but cannot verify.
>  > Settings are the default: 192.168.1.255 / 9871
>  >
>  > Is there any way to keep this spot feeding setup but still avoid the
>  > double spotting?
>  >
>  >
>  > Thanks and 73!
>  > Csaba  HA3LN / HG3N
>  >
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