The Packet Capture Screen - ZyXEL Communications ZyWall USG 2000 User Manual

Unified security gateway

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The following table describes the labels in this screen.

Table 258 Maintenance > Diagnostics > Files

53.3 The Packet Capture Screen

Use this screen to capture network traffic going through the ZyWALL's interfaces.

Studying these packet captures may help you identify network problems. Click

Maintenance > Diagnostics > Packet Capture to open the packet capture

Note: New capture files overwrite existing files of the same name. Change the File

Suffix field's setting to avoid this.

Figure 576 Maintenance > Diagnostics > Packet Capture

The following table describes the labels in this screen.

Table 259 Maintenance > Diagnostics > Packet Capture

ZyWALL USG 2000 User's Guide

Select files and click Remove to delete them from the ZyWALL. Use the

[Shift] and/or [Ctrl] key to select multiple files. A pop-up window asks you

to confirm that you want to delete.

Click a file to select it and click Download to save it to your computer.

This column displays the number for each file entry. The total number of

files that you can save depends on the file sizes and the available storage

This column displays the label that identifies the file.

This column displays the size (in bytes) of a file.

This column displays the date and time that the individual files were saved.

Enabled interfaces (except for virtual interfaces) appear under

Available Interfaces. Select interfaces for which to capture

packets and click the right arrow button to move them to the

Capture Interfaces list. Use the [Shift] and/or [Ctrl] key to select

multiple objects.

Select the protocol of traffic for which to capture packets. Select

any to capture packets for all types of traffic.

Select a host IP address object for which to capture packets. Select

any to capture packets for all hosts. Select User Defined to be

able to enter an IP address.

This field is configurable when you set the IP Type to any, tcp, or

udp. Specify the port number of traffic to capture.

Chapter 53 Diagnostics