Mar 27, 2026 - For details about updated CVE-2025-53521 (BIG-IP APM vulnerability), refer to K000156741.

Forum Discussion

jdeeby_270877's avatar
jdeeby_270877
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8 years ago

monitor for subpage

Looking to create monitor to query a subpage of a site to see a response.   Like below     output on screen here is   Running as primary   I want the monitor to mark this node as u...
application delivery
big-ip
LTM
jaikumar_f5's avatar
jaikumar_f5
Icon for Noctilucent rankNoctilucent
8 years ago

All you are required to create is single monitor, when your

  • servera is displaying "Running as primary" it will be marked as up,
  • when servera is displaying "Running as standby" it will be marked down.
  • serverb is displaying "Running as primary" it will be marked as up,
  • when serverb is displaying "Running as standby" it will be marked down.

So you can control which server to be Up and down by changing the content on the monitor page.

create ltm monitor http testmonitor { interval 30 timeout 91 send "GET /ha/health-check HTTP/1.1\r\nUser-Agent: BigIP Prober\r\nHost: www.yourfqdn.com\r\nConnection: close\r\n\r\n" recv "Running as primary" recv-disable "Running as standby" }

create ltm pool testpool { load-balancing-mode round-robin members add { 1.1.1.1:8080 2.2.2.2:80 } monitor testmonitor }