Chapter 6 Dashboard
ZyWALL USG Series User’s Guide
189
6.2.6 Extension Slot Screen
Figure 159 Dashboard > Extension Slot
This table describes the fields in the above screen.
USB Storage Usage This field shows how much storage in the USB device connected to the Zyxel Device
is in use.
Active Sessions This field shows how many sessions, established and non-established, that pass
through/from/to/within the ZyWALL. Hover your cursor over this field to display icons.
Click the Detail icon to go to the Session Monitor screen to see details about the
active sessions. Click the Show Active Sessions icon to display a chart of Zyxel
Device’s recent session usage.
Table 27 Dashboard > System Resources (continued)
LABEL DESCRIPTION
Table 28 Dashboard > Extension Slot
LABEL DESCRIPTION
# This is the index number of the entry.
Extension Slot This field displays the name of each extension slot.
Device This field displays the name of the device connected to the extension slot (or none if
no device is detected). For an installed SEM (Security Extension Module) card, this
field displays what kind of SEM card is installed.
SEM-VPN - VPN accelerator. The SEM-VPN provides 500 Mbps VPN throughput, 2,000
IPSec VPN tunnels, and 750 SSL VPN users.
SEM-DUAL - accelerator for both VPN and UTM. The SEM-DUAL provides the benefits
of the SEM-VPN and increases the maximum anti-virus and IDP traffic throughput
from 100 Mbps to 400 Mbps.
USB Flash Drive - Indicates a connected USB storage device and the drive’s storage
capacity.
Status The status for an installed 3G USB dongle is none. For cellular (mobile broadband)
interfaces, see Section 7.11 on page 214 for the status that can appear. For an
installed SEM (Security Extension Module) card, this field displays one of the
following:
Active - The SEM card is working properly.
Ready to activate - The SEM was inserted while the Zyxel Device was operating.
Restart the Zyxel Device to use the SEM.
Driver load failed - An error occurred during the Zyxel Device’s attempt to activate
the SEM card. Make sure the SEM is installed properly and the thumbscrews are
tightened. If this status still displays, contact your vendor.
For a USB storage device, this field displays one of the following:
Ready - A USB storage device connected to the Zyxel Device is ready for the Zyxel
Device to use.
Unused - The Zyxel Device is unable to mount a USB storage device connected to
the Zyxel Device.
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