[hpsdr] Problems with direct connection PC-OpenHPSDR

[Scott Traurig]

Is this Protocol 1 or 2? If Protocol 2, is the NUC capable of Gigabit
Ethernet on the wired port?

Are you using APIPA? If so, then the subnet mask on the PC must be
255.255.0.0 and the SDR board must be set to DHCP (0.0.0.0).

Static addressing is greatly preferred over APIPA for direct connections. I
recommend static addressing for direct connections. If you are using WiFi
on the NUC choose a different subnet for the wired port and SDR board. E.g.
if the WiFi is 192.168.1.x then use 192.168.5.x on the wired port and SDR
board. Subnet mask 255.255.255.0.

If the NUC has WiFi enabled this counts as a second NIC and the Network
Metric settings must be manually set so that the wired port has a lower
Network Metric value than the WiFi adapter. Otherwise disable the WiFi.

73,

Scott


On Thu, May 30, 2019 at 9:48 AM Kjell Karlsen <la2ni at online.no> wrote:

>
> Hi All.
>
> For the first time as far as I can remember, I am not able to get in
> direct connection from a PC to an Orion MKII (and Hermes)
>
> I am using an Intel NUC Mini PC with a i7 processor. It work perfect as
> long as the LAN connection is via a switch but when trying direct
> connection, it does not work. The strange thing is that if they have been
> connected and I just move the cable from the switch and connect directly,
> the connection is OK for around 10-20 seconds, then disconnects and after
> that it is not possible to connect.
>
> I have had times before that I had to set a fixed IP address on the
> OpenHPSDR card to use direct connection and then there was no problem.
> And
> I have tried on 2-3 other PC´s, all with Win10 installed and it always
> works.
>
> So I have concluded that there must be a setting in the NUC PC that is
> different from the others. I had problems when I first  installed Win10
> on
> that PC. I had to select UEFI instead of Legacy when booting during setup
> (whatever this means, I am not a PC Guru anyway!)
>
> Can someone lead me in the right direction?
>
> 73, Kjell
>
>
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