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Forum Discussion

Herman2024's avatar
Herman2024
Icon for Cirrostratus rankCirrostratus
Jan 19, 2025

why the gtm probing result is not shown on debug log?

hi ,we encounter some gtm wideip pool monitoring issue. then I tried to turn on the debug for gtm logging. The log captured for pool member status monitoring is shown as below only. There is no resul...
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VGF5's avatar
VGF5
Icon for Cumulonimbus rankCumulonimbus
Jan 20, 2025

Hi Herman2024,

The absence of GTM probing results in debug logs may occur if logging levels are not configured to capture detailed probe information. GTM uses health monitors and iQuery communication via the big3d process to perform checks. To resolve this, enable GTM and big3d debug logging using tmsh commands and verify logs in /var/log/gtm and /var/log/big3d.log.

Follow the troubleshooting steps mentioned in the articles below:
https://my.f5.com/manage/s/article/K19451442  -  Enable Debug Logging for GTM
https://my.f5.com/manage/s/article/K10999  -Enable Debug Logging for big3d  
https://my.f5.com/manage/s/article/K60677941