USG FLEX 200H V1.20(ABWV.0) SNMP Issues

SAI_Mike
SAI_Mike Posts: 12  Freshman Member
First Comment First Anniversary
in USG FLEX H Series

There is a support article titled "What OIDs do the Zyxel firewalls (USG/ATP/VPN) use to monitor key parameters?". It has OIDs for System CPU current Usage & System current session number. When I query those and compare them to the values on the 200H System Dashboard, they are significantly different.

I also get erratic responses from the 200H when querying SNMP. Sometimes it returns results immediately. Sometimes my snmp client times out with its defaults of 1 second timeouts and 5 retries. If I turn up the timeout to 10 seconds and set retries to 3, then it seems to complete all queries but is still erratic.

Best Answers

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,396  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
    edited May 10 Answer ✓

    Hi @SAI_Mike,

    Thanks for reporting this issue. We will check the value of USG FLEX 200H on SNMP monitor and the dashboard.

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  • Zyxel_Emily
    Zyxel_Emily Posts: 1,396  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
    Answer ✓

    Hi @SAI_Mike,

    CPU
    Web GUI: The value doesn't contain fast path traffic.
    SMNP "sysCPUUsage": The value contains both fast-path traffic and other traffic (ex. calculate the statistics, GUI data processing...).
    Note: You can use OID (.1.3.6.1.4.1.890.1.15.3.2.21) to monitor CPU usage for fast-path traffic.

    Session
    Web GUI: The value contains forward sessions only
    SMNP "sysSessionNum": The value contains not only forward sessions but all sessions

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  • SAI_Mike
    SAI_Mike Posts: 12  Freshman Member
    First Comment First Anniversary
    Answer ✓

    Thank you for explaining the differences.

All Replies

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,396  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
    edited May 10 Answer ✓

    Hi @SAI_Mike,

    Thanks for reporting this issue. We will check the value of USG FLEX 200H on SNMP monitor and the dashboard.

    image.png

    Untitled Image

    See how you've made an impact in Zyxel Community this year!
    https://bit.ly/Your2024Moments_Community

  • Zyxel_Emily
    Zyxel_Emily Posts: 1,396  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
    Answer ✓

    Hi @SAI_Mike,

    CPU
    Web GUI: The value doesn't contain fast path traffic.
    SMNP "sysCPUUsage": The value contains both fast-path traffic and other traffic (ex. calculate the statistics, GUI data processing...).
    Note: You can use OID (.1.3.6.1.4.1.890.1.15.3.2.21) to monitor CPU usage for fast-path traffic.

    Session
    Web GUI: The value contains forward sessions only
    SMNP "sysSessionNum": The value contains not only forward sessions but all sessions

    Untitled Image

    See how you've made an impact in Zyxel Community this year!
    https://bit.ly/Your2024Moments_Community

  • SAI_Mike
    SAI_Mike Posts: 12  Freshman Member
    First Comment First Anniversary
    Answer ✓

    Thank you for explaining the differences.

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