Difference between Interval and Timeout

In F5 LTM (Local Traffic Manager), Interval and Timeout are key settings in a Health Monitor.

They control how often a server is checked and when it is marked down.

Interval = How often BIG-IP sends a health check to a pool member.

Example:

If Interval = 5 seconds
→ F5 sends a health check every 5 seconds.

Timeout = How long BIG-IP waits for a response before marking the server as DOWN.

Example:

If Timeout = 16 seconds
→ If no valid response is received within 16 seconds, server is marked DOWN.