Chapter 17 WAN

Table 60 Network > WAN > Internet Connection: PPTP Encapsulation (continued)

LABEL

DESCRIPTION

Idle Timeout

This value specifies the time in minutes that elapses before the NBG4615

 

automatically disconnects from the PPTP server.

 

 

PPTP Configuration

 

 

 

Server IP Address

Type the IP address of the PPTP server.

 

 

Get automatically

Select this option If your ISP did not assign you a fixed IP address. This is

from ISP

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 NBG4615 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 NBG4615.

 

 

Gateway IP

Enter a Gateway IP Address (if your ISP gave you one) in this field.

Address

 

 

 

WAN IP Address Assignment

 

 

Get automatically

Select this to get your WAN IP address from your ISP.

from ISP

 

 

 

Use Fixed IP Address

Select this option If the ISP assigned a fixed IP address.

 

 

My WAN IP

Enter your WAN IP address in this field if you selected Use Fixed IP

Address

Address.

 

 

WAN DNS Assignment

 

 

 

First DNS Server

Select From ISP if your ISP dynamically assigns DNS server information

Second DNS Server

(and the NBG4615's WAN IP address). The field to the right displays the

(read-only) DNS server IP address that the ISP assigns.

 

 

Select User-Definedif 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-Definedchanges to None

 

after you click Apply. If you set a second choice to User-Defined, and

 

enter the same IP address, the second User-Definedchanges 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 NBG4615’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

Select Clone the computer's MAC address - IP Address and enter the IP

MAC address - IP

address of the computer on the LAN whose MAC you are cloning.

Address

 

 

 

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 NBG4615.

 

 

Cancel

Click Cancel to begin configuring this screen afresh.

 

 

17.4.4 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).

 

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NBG4615 User’s Guide