UHD device not found

Hi,

I am having a USRP N320 and installed gnuradio+uhd (4.0 version) on ubuntu 20.04 LTS. Earlier, device is working fine with following command-

Ping 192.168.10.2

uhd_find_devices

uhd_usrp_probe

But, now I am using it after some time, and the device is pinging properly. However, when I am running the command uhd_find_device, it shows no device found. So help me regarding this issue.

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Thanks & Regards,
Sumit Kumar Agrawal
Ph.D. (Electrical Engineering)
Indian Institute of Technology
Jodhpur, Rajasthan-342037

Mob. No.- 8410957412