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Table 7 Broadband: Add/Edit: PPPoE Encapsulation (continued)
LABEL
PPPoE
Passthrough
IP Address
Obtain an IP
Address
Automatically
Static IP Address
IP Address
IP Subnet
Mask
Gateway IP
Address
Routing Feature
NAT Enable
IGMP Proxy
Enable
Apply as Default
Gateway
DNS Server
DNS
DNS Server 1
DNS Server 2
VLAN (These fields appear when the Type is set to ADSL/VDSL over PTM or Ethernet.)
Active
802.1p
802.1q
QoS
P-873HNUP-51B User's Guide
DESCRIPTION
This field is available when you select PPPoE encapsulation.
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.
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.
Select this option If the ISP assigned a fixed IP address.
Enter the static IP address provided by your ISP.
Enter the subnet mask provided by your ISP.
Enter the gateway IP address provided by your ISP.
Select this option to activate NAT on this connection.
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.
Select this option to have the ZyXEL Device use the WAN interface of this
connection as the system default gateway.
This is available only when you select Apply as Default Gateway in the
Routing Feature field.
Select Dynamic if you want the ZyXEL Device use the DNS server addresses
assigned by your ISP.
Select Static if you want the ZyXEL Device use the DNS server addresses you
configure manually.
Enter the first DNS server address assigned by the ISP.
Enter the second DNS server address assigned by the ISP.
Select this option to add the VLAN tag (specified below) to the outgoing traffic
through this connection.
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 to add to traffic through this connection.
The greater the number, the higher the priority level.
Type the VLAN ID number for traffic through this connection.
If you want to set a rate limit for the connection, enter it in the Rate Limit field.
This is the maximum transmission rate allowed for traffic on this connection.
Chapter 6 Broadband
77
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