Forum Discussion
Amit_Kumar9602
Altocumulus
Jan 08, 2025Do 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...
- Jan 08, 2025
Hi Amit_Kumar9602,
for your new questions:
- https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm-monitors-reference-12-0-0/2.html
- https://my.f5.com/manage/s/article/K49435003
- 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.
Amit_Kumar9602
Altocumulus
Jan 08, 2025Hello
Thank you very much for the quick response. I have additional questions:
- Is there a technical document explaining the rationale behind the answer?
- Which part of the reference document I provided should I check to find the answer related to non-floating IP?
- In an Active-Standby setup, does sending an RST (Reset) impact the service session? I would like to know if it only resets the health check session or if there are other effects.
Jan 08, 2025
Hi Amit_Kumar9602,
for your new questions:
- https://techdocs.f5.com/kb/en-us/products/big-ip_ltm/manuals/product/ltm-monitors-reference-12-0-0/2.html
- https://my.f5.com/manage/s/article/K49435003
- 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.
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