ZyXEL Communications Corporation NBG419N Manuel D’Utilisation
Chapter 12 WAN
NBG-419N Users Guide
129
12.4.4 L2TP Encapsulation
The Layer 2 Tunneling Protocol (L2TP) works at layer 2 (the data link layer) to
tunnel network traffic between two peer devices over another network (like the
Internet).
tunnel network traffic between two peer devices over another network (like the
Internet).
First DNS Server
Second DNS Server
Select From ISP if your ISP dynamically assigns DNS server
information (and the NBG-419N's WAN IP address). The field to the
information (and the NBG-419N's WAN IP address). The field to the
right displays the (read-only) DNS server IP address that the ISP
assigns.
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
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.
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.
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 NBG-419Ns MAC address, copying
the MAC address from a computer on your LAN or manually entering
a MAC address.
MAC address by either using the NBG-419Ns 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.
Address.
Clone the
computers MAC
address - IP
Address
address - IP
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.
are cloning.
Set WAN MAC
Address
Address
Select this option and enter the MAC address you want to use.
Apply
Click Apply to save your changes back to the NBG-419N.
Reset
Click Reset to begin configuring this screen afresh.
Table 49 Network > WAN > Internet Connection: PPTP Encapsulation
LABEL
DESCRIPTION
om
pan
y
on
fiden
tial