Chapter 5 Broadband
P-661HNU-Fx User’s Guide
102
5.3 The 3G Backup Screen
Use this screen to configure your 3G settings. Click Broadband > 3G Backup.
At the time of writing, the 3G cards you can use in the ZyXEL Device are Huawei
E220 and E270.
Note: The actual data rate you obtain varies depending the 3G card you use, the
signal strength to the service provider’s base station, and so on.
Bridge Group Select the LAN/WLAN port(s) from which traffic will be forwarded to
the WAN interface directly.
Select a port from the Available LAN/WLAN Port(s) list and click
Add >> to add it to the Bridged LAN/WLAN Port(s) list.
If you want to remove a port from the Bridged LAN/WLAN Port(s)
list, select it and click Remove <<.
You cannot configure a QoS class for traffic from the LAN port which is
selected here.
ATM PVC
Configuration
VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define
a virtual circuit.
This section is available only when you select ADSL in the Type field
to configure an ATM layer-2 interface.
VPI The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI The valid range for the VCI is 32 to 65535 (0 to 31 is reserved for local
management of ATM traffic). Enter the VCI assigned to you.
Encapsulation
Mode
The encapsulation method of multiplexing used by your is LLC/SNAP-
BRIDGING. In LCC encapsulation, bridged PDUs are encapsulated by
identifying the type of the bridged media in the SNAP header.
Service Category Select UBR Without PCR for applications that are non-time sensitive,
such as e-mail.
Select CBR (Constant Bit Rate) to specify fixed (always-on) bandwidth
for voice or data traffic.
Select Non Realtime VBR (non real-time Variable Bit Rate) for
connections that do not require closely controlled delay and delay
variation.
Select Realtime VBR (real-time Variable Bit Rate) for applications
with bursty connections that require closely controlled delay and delay
variation.
Apply Click Apply to save your changes.
Back Click Back to return to the previous screen.
Table 9 Broadband Add/Edit: Bridge (ADSL) (continued)
Label
DESCRIPTION
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