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Amit_Kumar9602's avatar
Amit_Kumar9602
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Jan 08, 2025
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Do Active and Standby L4 Devices Both Send RST on TCP Health Check Failure?

  Hello.  I have a question regarding the operation of F5 devices, and I would like to ask for your guidance.   1. If a TCP health check fails, do both the Active and Standby L4 devices each send...
  • Sebastiansierra's avatar
    Sebastiansierra
    Jan 08, 2025

    Hi Amit_Kumar9602,

    for your new questions:

    1. https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm-monitors-reference-12-0-0/2.html
    2. https://my.f5.com/manage/s/article/K49435003
    3. The active device is the only one that processes the traffic for your applications if the service is down and the monitor marks the service down, the status of the VS will become offline and it restarts all connections to avoid send users to unresponsive servers.