Static IP adrress reservation on USGFLEX 200H

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  • PeterUK
    PeterUK Posts: 4,791
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    edited July 2024
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    Our client still obtains the IP address even if the client's name entered in the DHCP table list (e.g., Client_A) is different from the actual client's name (e.g., DESKTOP-JUDY).

    That not what I'm seeing

    No DHCP offer wrong name

    Screenshot 2024-07-16 154018.png

    DHCP with right name

    Screenshot 2024-07-16 154258.png

    Update 2

    With more testing the problem is using underscore "_" in name which cause the DHCP to fail completely

    Update 3

    If a computer is named underscore "_" you it will get a IP from the DHCP server but if you reserved it in the table it fails to get its IP and causes other computers to fail to get a IP by DHCP

    Screenshot 2024-07-16 170343.png
  • Zyxel_Judy
    Zyxel_Judy Posts: 2,782
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
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    Hi @PeterUK ,

    Thank you for providing your file and feedback. We were able to reproduce the issue when the client's name is set as an underscore (_) or other special characters.

    We will contact you with any updates.

    Zyxel_Judy

  • AlexandervonW
    AlexandervonW Posts: 17
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    Hi PeterUK,

    many thanks for digging into that. Would i be 30 years younger, i would/could have helped you. ;)

    Meanwhile i have switched back to a ATP500 and all is fine there.

    Have a nice day

    Alexander

  • Zyxel_Judy
    Zyxel_Judy Posts: 2,782
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
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    Hi @PeterUK ,

    The issue of being unable to add an entry to the IP/MAC binding list when the name begins with "_" will be addressed in a future firmware update. Please follow the Security Appliance News & Releases section for updates on enhancements and fixes.

    Zyxel_Judy