Hi all, We have a host PC running windows 10 directly connected to an x410 usrp on eth0. The host PC is connected to the internet via eth1.
We are facing issues with UDP communication via UHD between the host PC and the x410 usrp. When VPN (we are using tailscale, free to use for <20 devices) is turned off, the uhd command uhd_find_devices runs as expected. When VPN is turned on, we get an error message in "receive from" saying that an existing connection was forcibly closed. To verify that the issue is with UHD and not with our networking setup, we did the following: 1) We ran wireshark on the host and when VPN was on, we could see the UDP reply from the usrp to the host machine. Subsequent TCP messages that should have been exchanged between host and USRP were missing. 2) We ran a UDP client on the host pc and sent the message “MPM-DISC” to the x410. We successfully received a reply from the x410, which suggests that packet routing between the two devices works fine. There is a direct ethernet connection between our host pc and the x410. Windows firewall is turned off. We found mention of this problem on a mathworks website where they recommend that the VPN be turned off, but we would like to avoid that if possible. https://www.mathworks.com/help/supportpkg/usrpradio/ug/common-problems-and-fixes.html Has anyone else experienced this problem? We would be grateful if anyone could help us find a solution to the connectivity issue. Thank you, Ojas
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