QuestionQ145

Identify and Resolve LTM Device Issues

An LTM HTTP pool has an associated monitor that sends the string equal to GET /test.html.

Which two configurations could an LTM Specialist implement to let server administrators disable their pool member servers without logging in to the LTM device?

Choose two
  • A Set monitor to transparent and ask the server team to set string ‘TRANSPARENT’ in test.html.
  • B Set ‘receive string’ equal to 'SERVER UP and ask the server team to set string ‘SERVER DOWN’ in test.html.
  • C Set ‘alias’ equal to 'SERVER DOWN’ and ask the server team to set string ‘SERVER DOWN’ in test.html.
  • D Set ‘receive disable string’ equal to 'SERVER DOWN’ and ask the server team to set string ‘SERVER DOWN’ in test.html.
  • E Set ‘disable pool member’ equal to 'SERVER UP’ and ask the server team to set string ‘SERVER DOWN’ in test.html.
Explanation

A Receive String of SERVER UP makes a response changed to SERVER DOWN fail the health check, causing the pool member to be marked down and removed from service. A Receive Disable String of SERVER DOWN makes a matching response place the pool member in the Up (Disabled) state. F5 documents that the Receive String and Receive Disable String settings support enabled, disabled, and down member states based on the returned response.

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