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CC3220SF: Domain Name Issue with CC3220SF on Windows 10 in Access Point Mode

Saifur Bhuiyan
Prodigy 20 points
Part Number: CC3220SF

Tool/software:

In our company, we are using the CC3220SF for Wi-Fi connectivity. When the sensor is in access point mode, we can connect to it from Windows 11 PCs using its domain name and provision it without issues. However, the domain name resolution fails on Windows 10 based PC's. We tried using different browsers, but the result remains the same. Interestingly, accessing the sensor via its IP address (10.123.45.1) works perfectly on both systems. Note that this issue only occurs in access point mode. What could be causing the domain name resolution to fail on Windows 10, and how can we resolve this?

  • 0
    Guru 79905 points

    Hi,

    Hard to say. You should to use Wireshark network sniffer to determine what is going on at packet level. For example I have Win 10 Pro 22H2 x64 and DNS resolve works at AP mode without any issue. What CC32xx SDK do you use? Do you use latest ServicePack?

    Jan

  • 0 in reply to Jan D
    Prodigy 20 points

    Hi, Our service pack version is sp_3.22.0.1_2.7.0.0_2.2.0.7.bin. Our windows version is also Win 10 Pro 22H2.

  • 0 in reply to Saifur Bhuiyan
    Guru 79905 points

    Hi,

    You are using same SP as I use and this should be fine.

    I am not sure why DNS resolve not working at your case. Maybe it can be tied with group policy or something else. I have worked on some other project a have done some research about DNS clients at different platforms. I found that DNS client at Windows acts sometimes by very weird way and have many "undocumented" features.

    Jan