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Chapter 5 Broadband
P-2612HNU-Fx User’s Guide
106
Type
Select an interface for which you want to configure here.
ADSL
: The ZyXEL Device uses the ADSL technology for data
transmission over the DSL port.
EtherWAN
: The ZyXEL Device transmits data over the Ethernet WAN
port. Select this if you have a DSL router or modem in your network
already.
Mode
Select
Routing
(default) from the drop-down list box if your ISP give
you one IP address only and you want multiple computers to share an
Internet account.
WAN Service
Type
This field is available only when you select
Routing
in the
Mode
field.
Select the method of encapsulation used by your ISP.
PPP over Ethernet (PPPoE)
- PPPoE (Point to Point Protocol over
Ethernet) provides access control and billing functionality in a
manner similar to dial-up services using PPP. Select this if you have
a username and password for Internet access.
IP over Ethernet
- In this type of Internet connection, IP packets
are routed between the Ethernet interface and the WAN interface
and then formatted so that they can be understood in a bridged
environment.
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.
DSL Link Type
The DSL link type is set to
EoA
(Ethernet over ATM) to have an
Ethernet header in the packet, so that you can have multiple services/
connections over one PVC. You can set each connection to have its
own MAC address or all connections share one MAC address but use
different VLAN IDs for different services.
EoA
supports IPoE, PPPoE
and RFC1483/2684 bridging encapsulation methods.
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.
Table 8
Broadband Add/Edit: Routing- IPoE (continued)
Label
DESCRIPTION
Page 107 / 424
Chapter 5 Broadband
P-2612HNU-Fx User’s Guide
107
Peak Cell Rate
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.
This field is not available when you select
UBR Without PCR
.
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.
This field is available only when you select
Non Realtime VBR
or
Realtime VBR
.
Maximum
Burst Size
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.
This field is available only when you select
Non Realtime VBR
or
Realtime VBR
.
VLAN
This section is available only when you select
EtherWAN
in the
Type
field.
Enable VLAN
Select this to add the VLAN tag (specified below) to the outgoing
traffic through this connection.
Enter 802.1P
Priority
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.
Type 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.
Enter 802.1Q
VLAN ID
Type the VLAN ID number (from 1 to 4094) for traffic through this
connection.
IP Address
This section is available only when you select
Routing
in the
Mode
field and
IPoE
in the
WAN Service Type
field.
Obtain an IP
Address
Automatically
A static IP address is a fixed IP that your ISP gives you. A dynamic IP
address is not fixed; the ISP assigns you a different one each time you
connect to the Internet. Select this if you have a dynamic IP address.
Enable DHCP
Option 60
Select this to identify the vendor and functionality of the ZyXEL Device
in DHCP requests that the ZyXEL Device sends to a DHCP server when
getting a WAN IP address.
Vendor Class
Identifier
Enter the Vendor Class Identifier (Option 60), such as the type of the
hardware or firmware.
Static IP Address
Select this option If the ISP assigned a fixed IP address.
IP Address
Enter the static IP address provided by your ISP.
Subnet Mask
Enter the subnet mask provided by your ISP.
Gateway IP
Address
Enter the gateway IP address provided by your ISP.
Routing Feature
NAT Enable
Select this option to activate NAT on this connection.
Table 8
Broadband Add/Edit: Routing- IPoE (continued)
Label
DESCRIPTION
Page 108 / 424
Chapter 5 Broadband
P-2612HNU-Fx User’s Guide
108
5.2.1.3
Bridge Mode
Click the
Add new WAN Interface
in the
Network Setting > Broadband
screen or the
Edit
icon next to the connection you want to configure. Select
Bridge
as the encapsulation mode. The screen differs according to the interface
IGMP Proxy
Enable
Internet Group Multicast Protocol (IGMP) is a network-layer protocol
used to establish membership in a Multicast group - it is not used to
carry user data.
Select this option to have the ZyXEL Device act as an IGMP proxy on
this connection. This allows the ZyXEL Device to get subscribing
information and maintain a joined member list for each multicast
group. It can reduce multicast traffic significantly.
Apply as Default
Gateway
Select this option to have the ZyXEL Device use the WAN interface of
this connection as the system default gateway.
DNS Server
This is available only when you select
Apply as Default Gateway
in
the
Routing Feature
field.
Obtain DNS info
Automatically
Select this to have the ZyXEL Device get the DNS server addresses
from the ISP automatically.
Use the following
Static DNS IP
Address
Select this to have the ZyXEL Device use the DNS server addresses
you configure manually.
Primary DNS
Server
Enter the first DNS server address assigned by the ISP.
Secondary
DNS Server
Enter the second DNS server address assigned by the ISP.
Apply
Click
Apply
to save your changes.
Back
Click
Back
to return to the previous screen.
Table 8
Broadband Add/Edit: Routing- IPoE (continued)
Label
DESCRIPTION
Page 109 / 424
Chapter 5 Broadband
P-2612HNU-Fx User’s Guide
109
type you select. If you select
ADSL
as the interface type, the following screen
appears.
Figure 18
Broadband Add/Edit: Bridge (ADSL)
The following table describes the fields in this screen.
Table 9
Broadband Add/Edit: Bridge (ADSL)
Label
DESCRIPTION
General
Name
Enter a service name of the connection.
Type
Select
ADSL
as
the interface for which you want to configure here.
The ZyXEL Device uses the ADSL technology for data transmission
over the DSL port.
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 port(s).
Page 110 / 424
Chapter 5 Broadband
P-2612HNU-Fx User’s Guide
110
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.
DSL Link Type
The DSL link type is set to
EoA
(Ethernet over ATM) to have an
Ethernet header in the packet, so that you can have multiple services/
connections over one PVC. You can set each connection to have its
own MAC address or all connections share one MAC address but use
different VLAN IDs for different services.
EoA
supports IPoE, PPPoE
and RFC1483/2684 bridging encapsulation methods.
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.
Peak Cell Rate
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.
This field is not available when you select
UBR Without PCR
.
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.
This field is available only when you select
Non Realtime VBR
or
Realtime VBR
.
Table 9
Broadband Add/Edit: Bridge (ADSL) (continued)
Label
DESCRIPTION

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