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Chapter 7 Interfaces
ZyWALL 110/310/1100 Series User’s Guide
136
The following table describes the labels in this screen.
Table 49 Configuration > Network > Interface > Cellular > Add
LABEL DESCRIPTION
Show Advanced
Settings / Hide
Advanced Settings
Click this button to display a greater or lesser number of configuration fields.
General Settings
Enable Interface Select this option to turn on this interface.
Interface Properties
Interface Name Select a name for the interface.
Zone Select the zone to which you want the cellular interface to belong. The zone
determines the security settings the ZyWALL uses for the interface.
Extension Slot This is the USB slot that you are configuring for use with a 3G card.
Connected
Device
This displays the manufacturer and model name of your 3G card if you inserted one in
the ZyWALL. Otherwise, it displays none.
Description Enter a description of this interface. It is not used elsewhere. You can use
alphanumeric and
()+/:=?!*#@$_%- characters, and it can be up to 60 characters
long.
Connectivity
Nailed-Up Select this if the connection should always be up. Clear this to have the ZyWALL to
establish the connection only when there is traffic. You might not nail up the
connection if there is little traffic through the interface or if it costs money to keep the
connection available.
Idle timeout This value specifies the time in seconds (0~360) that elapses before the ZyWALL
automatically disconnects from the ISP’s server. Zero disables the idle timeout.
ISP Settings
Profile Selection Select Device to use one of the 3G device’s profiles of device settings. Then select the
profile (use Profile 1 unless your ISP instructed you to do otherwise).
Select Custom to configure your device settings yourself.
APN This field is read-only if you selected Device in the profile selection. Select Custom in
the profile selection to be able to manually input the APN (Access Point Name)
provided by your service provider. This field applies with a GSM or HSDPA 3G card.
Enter the APN from your service provider. Connections with different APNs may provide
different services (such as Internet access or MMS (Multi-Media Messaging Service))
and charge method.
You can enter up to 63 ASCII printable characters. Spaces are allowed.
Dial String Enter the dial string if your ISP provides a string, which would include the APN, to
initialize the 3G card.
You can enter up to 63 ASCII printable characters. Spaces are allowed.
This field is available only when you insert a GSM 3G card.
Authentication
Type
The ZyWALL supports PAP (Password Authentication Protocol) and CHAP (Challenge
Handshake Authentication Protocol). CHAP is more secure than PAP; however, PAP is
readily available on more platforms.
Use the drop-down list box to select an authentication protocol for outgoing calls.
Options are:
None: No authentication for outgoing calls.
CHAP - Your ZyWALL accepts CHAP requests only.
PAP - Your ZyWALL accepts PAP requests only.