Forum Discussion

Steve_Knapp's avatar
Steve_Knapp
Icon for Altostratus rankAltostratus
Feb 03, 2021

Health Monitor Timers

Our web developers want a health monitor with the polling interval separated from the timeout for a missed poll. This is for an external monitor but timers for these are in the standard TLM config. So for example....

 

MM:SS

00:00 Poll sent

00:02 Response received (2 seconds)

00:20 Poll sent

00:26 Response received (6 seconds)

00:40 Poll sent

00:51 10 second timeout. Missed poll count = 1

01:00 Poll sent

01:11 10 second timeout. Missed poll count = 2

01:20 Poll sent

01:31 10 second timeout. Missed poll count = 3 (Poll member marked down due to 3 consecutive misses)

application delivery
BIG-IP
Heatlh
LTM
monitor
  • Amine_Kadimi's avatar
    Amine_Kadimi
    Icon for MVP rankMVP
    Feb 03, 2021

    This can be implemented with an external monitor. I would suggest the following settings in LTM:

    Interval: 20

    Timeout: 51

     

    And implement the 10 seconds timeout in the script with a pseudo code like that:

     

    if (everything is OK)

    echo "up"

    else

    sleep 10 #or 11

    exit(1)