301B: BIG-IP LTM Specialist: Maintain and Troubleshoot

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QuestionQ12

Identify and Resolve LTM Device Issues

Refer to the exhibit.

Question Image

The decoded TCPDump capture traces a failing health monitor. The health monitor sends the string displayed in the capture; however, the server response is not as expected. The receive string is set to SERVER IS UP.

What is the solution?

Explanation

An HTTP/1.1 request needs the intended host value to select the correct virtual host. An empty Host: header can cause the server to use its default virtual host, producing a 404 response instead of the content containing SERVER IS UP. Supplying the host name in the Host header routes the request to the intended site. Connection: close is a valid HTTP connection directive.

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