Chapter 33 Diagnostics
USG20(W)-VPN Series User’s Guide
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Save data to onboard
storage only
Select this to have the USG only store packet capture entries on the USG. The
available storage size is displayed as well.
Note: The USG reserves some onboard storage space as a buffer.
Save data to USB
storage
Select this to have the USG store packet capture entries only on a USB storage
device connected to the USG if the USG allows this.
Status:
Unused - the connected USB storage device was manually unmounted by using the
Remove Now button or for some reason the USG cannot mount it.
none - no USB storage device is connected.
service deactivated - USB storage feature is disabled (in Configuration >
Object > USB Storage), so the USG cannot use a connected USB device to store
system logs and other diagnostic information.
available - you can have the USG use the USB storage device. The available
storage capacity also displays.
Note: The USG reserves some USB storage space as a buffer.
Captured Packet Files When saving packet captures only to the USG’s onboard storage, specify a
maximum limit in megabytes for the total combined size of all the capture files on
the USG.
When saving packet captures to a connected USB storage device, specify a
maximum limit in megabytes for each capture file.
Note: If you have existing capture files and have not selected the Continuously
capture and overwrite old ones option, you may need to set this size larger
or delete existing capture files.
The valid range depends on the available onboard/USB storage size. The USG stops
the capture and generates the capture file when either the file reaches this size or
the time period specified in the Duration field expires.
Split threshold Specify a maximum size limit in megabytes for individual packet capture files. After
a packet capture file reaches this size, the USG starts another packet capture file.
Capture Click this button to have the USG capture packets according to the settings
configured in this screen.
You can configure the USG while a packet capture is in progress although you
cannot modify the packet capture settings.
The USG’s throughput or performance may be affected while a packet capture is in
progress.
After the USG finishes the capture it saves a separate capture file for each selected
interface. The total number of packet capture files that you can save depends on the
file sizes and the available flash storage space. Once the flash storage space is full,
adding more packet captures will fail.
Stop Click this button to stop a currently running packet capture and generate a separate
capture file for each selected interface.
Reset Click this button to return the screen to its last-saved settings.
Table 269 Maintenance > Diagnostics > Packet Capture (continued)
LABEL DESCRIPTION
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