Chapter 8 Broadband
AX/DX/EX/PX Series User’s Guide
158
The following table describes the fields in this screen.
Table 35 Network Setting > Broadband > Add/Edit New WAN Interface (Bridge Mode)
LABEL DESCRIPTION
General Click this switch to enable or disable the interface. When the switch goes to the right , the
function is enabled. Otherwise, it is not.
Name Enter a service name of the connection.
This field is read-only is you are editing the WAN interface.
Type This field shows an Ethernet connection.
This field is read-only is you are editing the WAN interface.
Mode Select Bridge when your ISP provides you more than one IP address and you want the connected
computers to get individual IP address from ISP’s DHCP server directly. If you select Bridge, you
cannot use routing functions, such as QoS, Firewall, DHCP server and NAT on traffic from the
selected LAN ports.
VLAN Click this switch to enable or disable VLAN on this WAN interface. When the switch goes to the right
, the function is enabled. Otherwise, it is not.
802.1p IEEE 802.1p defines up to 8 separate traffic types by inserting a tag into a MAC-layer frame that
contains bits to define class of service.
Select the IEEE 802.1p priority level (from 0 to 7) to add to traffic through this connection. The greater
the number, the higher the priority level.
802.1q Type the VLAN ID number (from 0 to 4094) for traffic through this connection.
ATM PVC Configuration (This is available only when it shows ADSL over ATM in the Type field.)
VPI [0–255] The valid range for the VPI is 0 to 255. Enter the VPI assigned to you.
VCI [32–
65535]
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.
Encapsulatio
n
Select the method of multiplexing used by your ISP from the drop-down list box. Choices are:
• LLC/SNAP-BRIDGING: In LCC encapsulation, bridged PDUs are encapsulated by identifying the
type of the bridged media in the SNAP header. This is available only when you select IPoE or
PPPoE in the Select DSL Link Type field.
• VC/MUX: In VC multiplexing, each protocol is carried on a single ATM virtual circuit (VC). To
transport multiple protocols, the Zyxel Device needs separate VCs. There is a binding between a
VC and the type of the network protocol carried on the VC. This reduces payload overhead
since there is no need to carry protocol information in each Protocol Data Unit (PDU) payload.
Service
Category
Select UBR Without PCR for applications that are non-time sensitive, such as email.
Select CBR (Continuous 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.
Peak Cell
Rate [cells/s]
Divide the DSL line rate (bps) by 424 (the size of an ATM cell) to find the Peak Cell Rate (PCR). This is
the maximum rate at which the sender can send cells. Type the PCR here.
Sustainable
Cell Rate
The Sustain Cell Rate (SCR) sets the average cell rate (long-term) that can be transmitted. Type the
SCR, which must be less than the PCR. Note that system default is 0 cells/sec.
Maximum
Burst Size
[cells]
Maximum Burst Size (MBS) refers to the maximum number of cells that can be sent at the peak rate.
Type the MBS, which is less than 65535.
Cancel Click Cancel to exit this screen without saving any changes.
Apply Click Apply to save your changes.
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