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JN0-231 · Question #111

What is the default timeout value for TCP sessions on an SRX Series device?

The correct answer is D. 30 minutes. By default, TCP has a 30-minute idle timeout, and UDP has a 60-second idle timeout. Additionally, known IP protocols have a 30-minute timeout, whereas unknown ones have a 60- second timeout. Setting the inactivity timeout is very useful, particularly if you are concerned about…

SRX Series Devices

Question

What is the default timeout value for TCP sessions on an SRX Series device?

Options

  • A30 seconds
  • B60 minutes
  • C60 seconds
  • D30 minutes

How the community answered

(62 responses)
  • A
    6% (4)
  • B
    2% (1)
  • C
    8% (5)
  • D
    84% (52)

Explanation

By default, TCP has a 30-minute idle timeout, and UDP has a 60-second idle timeout. Additionally, known IP protocols have a 30-minute timeout, whereas unknown ones have a 60- second timeout. Setting the inactivity timeout is very useful, particularly if you are concerned about applications either timing out or remaining idle for too long and filling up the session table. According to the Juniper SRX Series Services Guide, this can be configured using the 'timeout inactive' statement for the security policy.

Topics

#TCP session timeout#session table#session timers#SRX defaults

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