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Chapter 5 Broadband
P-2601HN(L)-F1 Series User’s Guide
71
The following table describes the labels in this screen.
Table 6
Broadband: Add/Edit: Routing Mode
LABEL
DESCRIPTION
General
Name
Enter a service name of the connection.
Type
The interface type used by the ZyXEL Device is
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
Select the method of encapsulation used by your ISP from the drop-
down list box. This option is available only when you select
Routing
in
the
Mode
field.
The choices are
PPPoE
,
PPPoA
, and
IPoE
.
ATM PVC
Configuration
VPI (Virtual Path Identifier) and VCI (Virtual Channel Identifier) define
a virtual circuit.
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
If your
WAN Service Type
is
PPPoE
or
IPoE
, 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.
If your
WAN Service Type
is
PPPoA
, the DSL link type is set to
PPPoA
(PPP over ATM) to allow just one PPPoA connection over a PVC.
Encapsulation
Mode
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.
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.
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Chapter 5 Broadband
P-2601HN(L)-F1 Series User’s Guide
72
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
.
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
.
PPP Information
This section is available only when you select
Routing
in the
Mode
field and
PPPoE
or
PPPoA
in the
WAN Service Type
field.
PPP User Name
Enter the user name exactly as your ISP assigned. If assigned a name
in the form user@domain
where domain identifies a service name, then
enter both components exactly as given.
PPP Password
Enter the password associated with the user name above.
PPPoE Service
Name
Type the name of your PPPoE service here. This field is available only
when you select
PPPoE
in the
WAN Service Type
field.
Authentication
Mode
The ZyXEL Device 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:
AUTO
: Your ZyXEL Device accepts either CHAP or PAP when requested
by this remote node.
PAP
: Your ZyXEL Device accepts PAP only.
CHAP
: Your ZyXEL Device accepts CHAP only.
MS-CHAP
: Your ZyXEL Device accepts MSCHAP only. MS-CHAP is the
Microsoft version of the CHAP.
Table 6
Broadband: Add/Edit: Routing Mode (continued)
LABEL
DESCRIPTION
Page 73 / 344
Chapter 5 Broadband
P-2601HN(L)-F1 Series User’s Guide
73
Use Static IP
Address
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 want to get a dynamic IP
address from the ISP.
IP Address
Enter the static IP address provided by your ISP.
PPPoE
Passthrough
In addition to the ZyXEL Device’s built-in PPPoE client, you can enable
PPPoE pass through to allow up to ten hosts on the LAN to use PPPoE
client software on their computers to connect to the ISP via the ZyXEL
Device. Each host can have a separate account and a public WAN IP
address.
PPPoE pass through is an alternative to NAT for application where NAT
is not appropriate.
Disable PPPoE pass through if you do not need to allow hosts on the
LAN to use PPPoE client software on their computers to connect to the
ISP.
This field is available only when you select
PPPoE
in the
WAN Service
Type
field.
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.
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
The section is not available when you select
Bridge
in the
WAN
Service Type
field.
Table 6
Broadband: Add/Edit: Routing Mode (continued)
LABEL
DESCRIPTION
Page 74 / 344
Chapter 5 Broadband
P-2601HN(L)-F1 Series User’s Guide
74
5.2.1.1
Bridge
This screen displays when you select the
Bridge
mode.
Figure 15
Broadband: Add/Edit: Bridge Mode
The following table describes the labels in this screen.
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 6
Broadband: Add/Edit: Routing Mode (continued)
LABEL
DESCRIPTION
Table 7
Broadband: Add/Edit: Bridge Mode
LABEL
DESCRIPTION
General
Name
Specify a descriptive name of up to 15 alphanumeric characters for this
connection.
Type
The interface type used by the ZyXEL Device is
ADSL
. The ZyXEL
Device uses the ADSL technology for data transmission over the DSL
port.
Page 75 / 344
Chapter 5 Broadband
P-2601HN(L)-F1 Series User’s Guide
75
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 Firewall, DHCP server and NAT on traffic
from the selected LAN port(s).
Encapsulation
This field is not available if you select
Bridge
mode.
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
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
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.
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
or
UBR With PCR
for applications that are
non-time sensitive, such as e-mail.
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
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
.
Table 7
Broadband: Add/Edit: Bridge Mode (continued)
LABEL
DESCRIPTION

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