ZyXEL P-660HNU-F1 User Guide - Page 94

Table 12, DESCRIPTION, Routing, PPP over Ethernet PPPoE, IP over Ethernet, PPP over ATM

Page 94 highlights

Chapter 5 Broadband The following table describes the fields in this screen. Table 12 Broadband Add/Edit: Routing- IPoE Label DESCRIPTION General Name Enter a service name of the connection. Type ADSL: The ZyXEL Device uses the ADSL technology for data transmission over the DSL port. 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. ATM PVC Configuration VPI VCI DSL Link Type Encapsulation Mode Service Category • 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. • PPP over ATM - PPPoA offers standard PPP features, such as authentication, encryption, and compression. It is used as the connection encapsulation method in an ATM based network, and it can reduce overhead slightly compared to PPPoE. 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. The valid range for the VPI is 0 to 255. Enter the VPI assigned to you. 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. 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. 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. 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. Peak Cell Rate Sustainable Cell Rate Maximum Burst Size Select Realtime VBR (real-time Variable Bit Rate) for applications with bursty connections that require closely controlled delay and delay variation. 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. 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 (MBS) refers to the maximum number of cells that can be sent at the peak rate. Type the MBS, which is less than 65535. 94 ADSL Series User's Guide

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Chapter 5 Broadband
ADSL Series User’s Guide
94
The following table describes the fields in this screen.
Table 12
Broadband Add/Edit: Routing- IPoE
Label
DESCRIPTION
General
Name
Enter a service name of the connection.
Type
ADSL
: The ZyXEL Device uses the ADSL technology for data transmission over the
DSL port.
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.
PPP over ATM
- PPPoA offers standard PPP features, such as authentication,
encryption, and compression. It is used as the connection encapsulation method in
an ATM based network, and it can reduce overhead slightly compared to PPPoE.
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.
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
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.