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300-710 · Question #4

When do you need the file-size command option during troubleshooting with packet capture?

The correct answer is D. when capture packets exceed 32 MB. By default, packet capture files on FTD are limited to 32 MB. When a capture is expected to exceed this default 32 MB limit, you must specify the 'file-size' option to increase the maximum allowable capture file size (up to 10 GB). Without this option, the capture will stop…

Management and Troubleshooting

Question

When do you need the file-size command option during troubleshooting with packet capture?

Options

  • Awhen capture packets are less than 16 MB
  • Bwhen capture packets are restricted from the secondary memory
  • Cwhen capture packets exceed 10 GB
  • Dwhen capture packets exceed 32 MB

How the community answered

(20 responses)
  • A
    5% (1)
  • B
    5% (1)
  • D
    90% (18)

Explanation

By default, packet capture files on FTD are limited to 32 MB. When a capture is expected to exceed this default 32 MB limit, you must specify the 'file-size' option to increase the maximum allowable capture file size (up to 10 GB). Without this option, the capture will stop once the 32 MB threshold is reached, potentially missing important traffic. The trigger is when capture data will exceed 32 MB, not 10 GB (which is the maximum ceiling, not the threshold).

Topics

#Packet Capture#Troubleshooting Tools#Cisco CLI#File Size Management

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