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Chapter 13 WAN
NBG6515 User’s Guide
106
This screen displays when you select
PPPoE
encapsulation.
Figure 80
Network > WAN > Internet Connection: PPPoE Encapsulation
The following table describes the labels in this screen.
Table 52
Network > WAN > Internet Connection: PPPoE Encapsulation
LABEL
DESCRIPTION
ISP Parameters for Internet Access
Encapsulation
Select
PPP over Ethernet
if you connect to your Internet via dial-up.
Service Name
User Name
Type the user name given to you by your ISP.
Password
Type the password associated with the user name above.
Retype to
Confirm
Type your password again to make sure that you have entered is correctly.
MTU Size
Enter the Maximum Transmission Unit (MTU) or the largest packet size per frame that your
NBG can receive and process.
Nailed-Up
Connection
Select
Nailed-Up Connection
if you do not want the connection to time out.
Idle Timeout
(min)
This value specifies the time in minutes that elapses before the router automatically
disconnects from the PPPoE server.
WAN DNS Assignment
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Chapter 13 WAN
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107
13.4.3
PPTP Encapsulation
Point-to-Point Tunneling Protocol (PPTP) is a network protocol that enables secure transfer of data
from a remote client to a private server, creating a Virtual Private Network (VPN) using TCP/IP-
based networks.
PPTP supports on-demand, multi-protocol and virtual private networking over public networks, such
as the Internet.
Note: PPTP will be supported in the next firmware version.
First DNS Server
Second DNS
Server
Select
From ISP
if your ISP dynamically assigns DNS server information (and the NBG'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 using
the NBG’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 - 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.
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 NBG.
Reset
Click
Reset
to begin configuring this screen afresh.
Table 52
Network > WAN > Internet Connection: PPPoE Encapsulation (continued)
LABEL
DESCRIPTION
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Chapter 13 WAN
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108
This screen displays when you select
PPTP
encapsulation.
Figure 81
Network > WAN > Internet Connection: PPTP Encapsulation
The following table describes the labels in this screen.
Table 53
Network > WAN > Internet Connection: PPTP Encapsulation
LABEL
DESCRIPTION
ISP Parameters for Internet Access
Encapsulation
To configure a PPTP client, you must configure the
User Name
and
Password
fields for a
PPP connection and the PPTP parameters for a PPTP connection.
User Name
Type the user name given to you by your ISP.
Password
Type the password associated with the User Name above.
Retype to
Confirm
Type your password again to make sure that you have entered is correctly.
Nailed-up
Connection
Select
Nailed-Up Connection
if you do not want the connection to time out.
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Chapter 13 WAN
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109
13.5
Advanced WAN Screen
Use this screen to enable
Multicast
.
Note: The categories shown in this screen are independent of each other.
Idle Timeout
(min)
This value specifies the time in minutes that elapses before the NBG automatically
disconnects from the PPTP server.
PPTP Configuration
Server IP
Address
Type the IP address of the PPTP server.
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
Your NBG will automatically calculate the subnet mask based on the IP address that you
assign. Unless you are implementing subnetting, use the subnet mask computed by the
NBG.
Gateway IP
Address
Enter a
Gateway IP Address
(if your ISP gave you one) in this field.
MTU Size
Enter the Maximum Transmission Unit (MTU) or the largest packet size per frame that your
NBG can receive and process.
WAN DNS Assignment
First DNS
Server
Second DNS
Server
Select
From ISP
if your ISP dynamically assigns DNS server information (and the NBG'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 NBG’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 -
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.
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 NBG.
Reset
Click
Reset
to begin configuring this screen afresh.
Table 53
Network > WAN > Internet Connection: PPTP Encapsulation (continued)
LABEL
DESCRIPTION
Page 110 / 249
Chapter 13 WAN
NBG6515 User’s Guide
110
To change your NBG’s advanced WAN settings, click
Network
>
WAN
>
Advanced
. The screen
appears as shown.
Figure 82
Network > WAN > Advanced
The following table describes the labels in this screen.
Table 54
Network > WAN > Advanced
LABEL
DESCRIPTION
Multicast Setup
Multicast
Select
IGMPv1/v2
to enable multicasting. This applies to traffic routed from the WAN to
the LAN.
Select
None
to disable this feature. This may cause incoming traffic to be dropped or sent
to all connected network devices.
Auto-Subnet Configuration
None
Select this option to have the NBG do nothing when it gets a WAN IP address in the range of
192.168.x.y (where x and y are from zero to nine) or in the same subnet as the LAN IP
address.
Enable Auto-IP-
Change mode
Select this option to have the NBG change its LAN IP address to 10.0.0.1 or 192.168.1.1
accordingly when the NBG gets a dynamic WAN IP address in the same subnet as the LAN IP
address 192.168.1.1 or 10.0.0.1.
The NAT, DHCP server and firewall functions on the NBG are still available in thismode.
Apply
Click
Apply
to save your changes back to the NBG.
Reset
Click
Reset
to begin configuring this screen afresh.

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