ZyXEL Communications ZyWall USG20-VPN, Руководство пользователя

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Chapter 9 Interfaces
USG20(W)-VPN Series User’s Guide
182
Network
Selection
Home network is the network to which you are originally subscribed.
Select Home to have the mobile broadband device connect only to the home network.
If the home network is down, the USG’s mobile broadband Internet connection is also
unavailable.
Select Auto (Default) to allow the mobile broadband device to connect to a network to
which you are not subscribed when necessary, for example when the home network is
down or another mobile broadband base station's signal is stronger. This is
recommended if you need continuous Internet connectivity. If you select this, you may
be charged using the rate of a different network.
Budget Setup
Enable Budget
Control
Select this to set a monthly limit for the user account of the installed mobile broadband
card. You can set a limit on the total traffic and/or call time. The USG takes the actions
you specified when a limit is exceeded during the month.
Time Budget Select this and specify the amount of time (in hours) that the mobile broadband
connection can be used within one month. If you change the value after you configure
and enable budget control, the USG resets the statistics.
Data Budget Select this and specify how much downstream and/or upstream data (in Mega bytes)
can be transmitted via the mobile broadband connection within one month.
Select Download to set a limit on the downstream traffic (from the ISP to the USG).
Select Upload to set a limit on the upstream traffic (from the USG to the ISP).
Select Download/Upload to set a limit on the total traffic in both directions.
If you change the value after you configure and enable budget control, the USG resets
the statistics.
Reset time and
data budget
counters on
Select the date on which the USG resets the budget every month. If the date you
selected is not available in a month, such as 30th or 31st, the USG resets the budget
on the last day of the month.
Reset time and
data budget
counters
This button is available only when you enable budget control in this screen.
Click this button to reset the time and data budgets immediately. The count starts over
with the mobile broadband connection’s full configured monthly time and data
budgets. This does not affect the normal monthly budget restart; so if you configured
the time and data budget counters to reset on the second day of the month and you
use this button on the first, the time and data budget counters will still reset on the
second.
Actions when
over budget
Specify the actions the USG takes when the time or data limit is exceeded.
Log Select None to not create a log, Log to create a log, or Log-alert to create an alert
log. If you select Log or Log-alert you can also select recurring every to have the
USG send a log or alert for this event periodically. Specify how often (from 1 to 65535
minutes) to send the log or alert.
New connection Select Allow to permit new mobile broadband connections or Disallow to drop/block
new mobile broadband connections.
Current
connection
Select Keep to maintain an existing mobile broadband connection or Drop to
disconnect it. You cannot set New connection to Allow and Current connection to
Drop at the same time.
If you set New connection to Disallow and Current connection to Keep , the USG
allows you to transmit data using the current connection, but you cannot build a new
connection if the existing connection is disconnected.
Table 72
Configuration > Network > Interface > Cellular > Add / Edit (continued)
LABEL DESCRIPTION