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P-334U/P-335U User’s Guide
Chapter 6 WAN 97
6.3.2 PPPoE Encapsulation
The ZyXEL Device supports PPPoE (Point-to-Point Protocol over Ethernet). PPPoE is an
IETF standard (RFC 2516) specifying how a personal computer (PC) interacts with a
broadband modem (DSL, cable, wireless, etc.) connection. The PPP over Ethernet option is
for a dial-up connection using PPPoE.
For the service provider, PPPoE offers an access and authentication method that works with
existing access control systems (for example Radius).
One of the benefits of PPPoE is the ability to let you access one of multiple network services,
a function known as dynamic service selection. This enables the service provider to easily
create and offer new IP services for individuals.
Get automatically
from ISP
Select this option If your ISP did not assign you a fixed IP address. This is the
default selection.
Use Fixed IP
Address
Select this option If the ISP assigned a fixed IP address.
IP Address Enter your WAN IP address in this field if you selected Use Fixed IP Address.
IP Subnet Mask Enter the IP Subnet Mask in this field.
Gateway IP
Address
Enter a Gateway IP Address (if your ISP gave you one) in this field.
DNS Servers
First DNS Server
Second DNS
Server
Third DNS Server
Select From ISP if your ISP dynamically assigns DNS server information (and the
ZyXEL Device's WAN IP address). The field to the right displays the (read-only)
DNS server IP address that the ISP assigns.
Select User-Defined if you have the IP address of a DNS server. Enter the DNS
server's IP address in the field to the right. If you chose User-Defined, but leave
the IP address set to 0.0.0.0, User-Defined changes to None after you click
Apply. If you set a second choice to User-Defined, and enter the same IP
address, the second User-Defined changes to None after you click Apply.
Select None if you do not want to configure DNS servers. If you do not configure a
DNS server, you must know the IP address of a computer in order to access it.
WAN MAC Address The MAC address section allows users to configure the WAN port's MAC address
by either using the ZyXEL Device’s MAC address, copying the MAC address from
a computer on your LAN or manually entering a MAC address.
Factory default Select Factory default to use the factory assigned default MAC Address.
Clone the
computer’s MAC
address
Select Clone the computer's MAC address - IP Address and enter the IP
address of the computer on the LAN whose MAC you are cloning. Once it is
successfully configured, the address will be copied to the rom file (ZyNOS
configuration file). It will not change unless you change the setting or upload a
different ROM file.
Set WAN MAC
Address
Select this option and enter the MAC address you want to use.
Apply Click Apply to save your changes back to the ZyXEL Device.
Reset Click Reset to begin configuring this screen afresh.
Table 31 Ethernet Encapsulation
LABEL DESCRIPTION